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Commit 3db1a3fa authored by Linus Torvalds's avatar Linus Torvalds
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Merge tag 'staging-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging 

Pull staging / IIO driver updates from Greg KH:
 "Here is the big staging and IIO driver pull request for 5.11-rc1

  Lots of different things in here:

   - loads of driver updates

   - so many coding style cleanups

   - new IIO drivers

   - Android ION code is finally removed from the tree

   - wimax drivers are moved to staging on their way out of the kernel

  Nothing really exciting, just the constant grind of kernel development :)

  All have been in linux-next for a while with no reported issues"

* tag 'staging-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (341 commits)
  staging: olpc_dcon: Do not call platform_device_unregister() in dcon_probe()
  staging: most: Fix spelling mistake "tranceiver" -> "transceiver"
  staging: qlge: remove duplicate word in comment
  staging: comedi: mf6x4: Fix AI end-of-conversion detection
  staging: greybus: Add TODO item about modernizing the pwm code
  pinctrl: ralink: add a pinctrl driver for the rt2880 family
  dt-bindings: pinctrl: rt2880: add binding document
  staging: rtl8723bs: remove ELEMENT_ID enum
  staging: rtl8723bs: remove unused macros
  staging: rtl8723bs: replace EID_EXTCapability
  staging: rtl8723bs: replace EID_BSSIntolerantChlReport
  staging: rtl8723bs: replace EID_BSSCoexistence
  staging: rtl8723bs: replace _MME_IE_
  staging: rtl8723bs: replace _WAPI_IE_
  staging: rtl8723bs: replace _EXT_SUPPORTEDRATES_IE_
  staging: rtl8723bs: replace _ERPINFO_IE_
  staging: rtl8723bs: replace _CHLGETXT_IE_
  staging: rtl8723bs: replace _COUNTRY_IE_
  staging: rtl8723bs: replace _IBSS_PARA_IE_
  staging: rtl8723bs: replace _TIM_IE_
  ...
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Documentation/ABI/testing/sysfs-bus-iio
View file @ 3db1a3fa
......@@ -1743,6 +1743,16 @@ Description:
Raw counter device counters direction for channel Y.
What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_label
What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_label
KernelVersion: 5.8
Contact: linux-iio@vger.kernel.org
Description:
Optional symbolic label to a device channel.
If a label is defined for this channel add that to the channel
specific attributes. This is useful for userspace to be able to
better identify an individual channel.
What: /sys/bus/iio/devices/iio:deviceX/in_phaseY_raw
KernelVersion: 4.18
Contact: linux-iio@vger.kernel.org
......
Documentation/ABI/testing/sysfs-bus-iio-adc-mt6360 0 → 100644
View file @ 3db1a3fa
What: /sys/bus/iio/devices/iio:deviceX/in_voltage0_raw
KernelVersion: 5.8.0
Contact: gene_chen@richtek.com
Description:
Indicated MT6360 USBID ADC which connected to connector ID pin.
Calculating with scale and offset returns voltage in uV
What: /sys/bus/iio/devices/iio:deviceX/in_voltage1_raw
KernelVersion: 5.8.0
Contact: gene_chen@richtek.com
Description:
Indicated MT6360 VBUS ADC with lower accuracy(+-75mA)
higher measure range(1~22mV)
Calculating with scale and offset returns voltage in uV
What: /sys/bus/iio/devices/iio:deviceX/in_voltage2_raw
KernelVersion: 5.8.0
Contact: gene_chen@richtek.com
Description:
Indicated MT6360 VBUS ADC with higher accuracy(+-30mA)
lower measure range(1~9.76V)
Calculating with scale and offset returns voltage in uV
What: /sys/bus/iio/devices/iio:deviceX/in_voltage3_raw
KernelVersion: 5.8.0
Contact: gene_chen@richtek.com
Description:
Indicated MT6360 VSYS ADC
Calculating with scale and offset returns voltage in uV
What: /sys/bus/iio/devices/iio:deviceX/in_voltage4_raw
KernelVersion: 5.8.0
Contact: gene_chen@richtek.com
Description:
Indicated MT6360 VBAT ADC
Calculating with scale and offset returns voltage in uV
What: /sys/bus/iio/devices/iio:deviceX/in_current5_raw
KernelVersion: 5.8.0
Contact: gene_chen@richtek.com
Description:
Indicated MT6360 IBUS ADC
Calculating with scale and offset returns voltage in uA
What: /sys/bus/iio/devices/iio:deviceX/in_current6_raw
KernelVersion: 5.8.0
Contact: gene_chen@richtek.com
Description:
Indicated MT6360 IBAT ADC
Calculating with scale and offset returns voltage in uA
What: /sys/bus/iio/devices/iio:deviceX/in_current7_raw
KernelVersion: 5.8.0
Contact: gene_chen@richtek.com
Description:
Indicated MT6360 CHG_VDDP ADC
Calculating with scale and offset returns voltage in uV
What: /sys/bus/iio/devices/iio:deviceX/in_temp8_raw
KernelVersion: 5.8.0
Contact: gene_chen@richtek.com
Description:
Indicated MT6360 IC junction temperature
Calculating with scale and offset returns temperature in degree
What: /sys/bus/iio/devices/iio:deviceX/in_voltage9_raw
KernelVersion: 5.8.0
Contact: gene_chen@richtek.com
Description:
Indicated MT6360 VREF_TS ADC
Calculating with scale and offset returns voltage in uV
What: /sys/bus/iio/devices/iio:deviceX/in_voltage10_raw
KernelVersion: 5.8.0
Contact: gene_chen@richtek.com
Description:
Indicated MT6360 TS ADC
Calculating with scale and offset returns voltage in uV
Documentation/devicetree/bindings/iio/accel/bma180.txt deleted 100644 → 0
View file @ 2911ed9f
* Bosch BMA023 / BMA150/ BMA180 / BMA25x / SMB380 triaxial acceleration sensor
https://media.digikey.com/pdf/Data%20Sheets/Bosch/BMA150.pdf
http://omapworld.com/BMA180_111_1002839.pdf
http://ae-bst.resource.bosch.com/media/products/dokumente/bma250/bst-bma250-ds002-05.pdf
Required properties:
- compatible : should be one of:
"bosch,bma023"
"bosch,bma150"
"bosch,bma180"
"bosch,bma250"
"bosch,bma254"
"bosch,smb380"
- reg : the I2C address of the sensor
- vdd-supply : regulator phandle connected to the VDD pin
- vddio-supply : regulator phandle connected to the VDDIO pin
Optional properties:
- interrupts : interrupt mapping for GPIO IRQ, it should by configured with
flags IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_EDGE_RISING
For the bma250 the first interrupt listed must be the one
connected to the INT1 pin, the second (optional) interrupt
listed must be the one connected to the INT2 pin.
Example:
bma180@40 {
compatible = "bosch,bma180";
reg = <0x40>;
interrupt-parent = <&gpio6>;
interrupts = <18 (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_EDGE_RISING)>;
};
Documentation/devicetree/bindings/iio/accel/bosch,bma180.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/accel/bosch,bma180.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Bosch BMA023 / BMA150/ BMA180 / BMA25x / SMB380 triaxial accelerometers
maintainers:
- Jonathan Cameron <jic23@kernel.org>
description: |
https://media.digikey.com/pdf/Data%20Sheets/Bosch/BMA150.pdf
http://omapworld.com/BMA180_111_1002839.pdf
http://ae-bst.resource.bosch.com/media/products/dokumente/bma250/bst-bma250-ds002-05.pdf
properties:
compatible:
enum:
- bosch,bma023
- bosch,bma150
- bosch,bma180
- bosch,bma250
- bosch,bma254
- bosch,smb380
reg:
maxItems: 1
vdd-supply: true
vddio-supply: true
interrupts:
minItems: 1
maxItems: 2
description: |
Type should be either IRQ_TYPE_LEVEL_HIGH or IRQ_TYPE_EDGE_RISING.
For the bma250 the first interrupt listed must be the one
connected to the INT1 pin, the second (optional) interrupt
listed must be the one connected to the INT2 pin.
required:
- compatible
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
accel@40 {
compatible = "bosch,bma180";
reg = <0x40>;
interrupt-parent = <&gpio6>;
interrupts = <18 (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_EDGE_RISING)>;
};
};
...
Documentation/devicetree/bindings/iio/accel/bosch,bma255.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/accel/bosch,bma255.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Bosch BMA255 and Similar Accelerometers
maintainers:
- Linus Walleij <linus.walleij@linaro.org>
description:
3 axis accelerometers with varying range and I2C or SPI
4-wire interface.
properties:
compatible:
enum:
- bosch,bmc150
- bosch,bmi055
- bosch,bma255
- bosch,bma250e
- bosch,bma222
- bosch,bma222e
- bosch,bma280
reg:
maxItems: 1
vdd-supply: true
vddio-supply: true
interrupts:
maxItems: 1
mount-matrix:
description: an optional 3x3 mounting rotation matrix.
spi-max-frequency:
maximum: 10000000
required:
- compatible
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
accelerometer@8 {
compatible = "bosch,bma222";
reg = <0x08>;
vddio-supply = <&vddio>;
vdd-supply = <&vdd>;
interrupts = <57 IRQ_TYPE_EDGE_FALLING>;
};
};
- |
# include <dt-bindings/interrupt-controller/irq.h>
spi {
#address-cells = <1>;
#size-cells = <0>;
accel@0 {
compatible = "bosch,bma222";
reg = <0>;
spi-max-frequency = <10000000>;
};
};
...
Documentation/devicetree/bindings/iio/accel/dmard06.txt deleted 100644 → 0
View file @ 2911ed9f
Device tree bindings for Domintech DMARD05, DMARD06, DMARD07 accelerometers
Required properties:
- compatible : Should be "domintech,dmard05"
or "domintech,dmard06"
or "domintech,dmard07"
- reg : I2C address of the chip. Should be 0x1c
Example:
&i2c1 {
/* ... */
accelerometer@1c {
compatible = "domintech,dmard06";
reg = <0x1c>;
};
/* ... */
};
Documentation/devicetree/bindings/iio/accel/fsl,mma8452.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/accel/fsl,mma8452.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title:
Freescale MMA8451Q, MMA8452Q, MMA8453Q, MMA8652FC, MMA8653FC or FXLS8471Q
triaxial accelerometer
maintainers:
- Martin Kepplinger <martin.kepplinger@theobroma-systems.com>
properties:
compatible:
enum:
- fsl,mma8451
- fsl,mma8452
- fsl,mma8453
- fsl,mma8652
- fsl,mma8653
- fsl,fxls8471
reg:
maxItems: 1
interrupts:
description:
2 highly configurable interrupt lines exist.
minItems: 1
maxItems: 2
interrupt-names:
description: Specify which interrupt line is in use.
items:
enum:
- INT1
- INT2
minItems: 1
maxItems: 2
vdd-supply: true
vddio-supply: true
required:
- compatible
- reg
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
accel@1d {
compatible = "fsl,mma8453";
reg = <0x1d>;
interrupt-parent = <&gpio1>;
interrupts = <5 0>;
interrupt-names = "INT2";
};
};
...
Documentation/devicetree/bindings/iio/accel/kionix,kxcjk1013.txt deleted 100644 → 0
View file @ 2911ed9f
Kionix KXCJK-1013 Accelerometer device tree bindings
Required properties:
- compatible: Must be one of:
"kionix,kxcjk1013"
"kionix,kxcj91008"
"kionix,kxtj21009"
"kionix,kxtf9"
- reg: i2c slave address
Optional properties:
- mount-matrix: an optional 3x3 mounting rotation matrix
Example:
kxtf9@f {
compatible = "kionix,kxtf9";
reg = <0x0F>;
mount-matrix = "0", "1", "0",
"1", "0", "0",
"0", "0", "1";
};
Documentation/devicetree/bindings/iio/accel/kionix,kxcjk1013.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/accel/kionix,kxcjk1013.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Kionix KXCJK-1013 Accelerometer
maintainers:
- Robert Yang <decatf@gmail.com>
properties:
compatible:
enum:
- kionix,kxcjk1013
- kionix,kxcj91008
- kionix,kxtj21009
- kionix,kxtf9
reg:
maxItems: 1
mount-matrix:
description: an optional 3x3 mounting rotation matrix.
required:
- compatible
- reg
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
accel@f {
compatible = "kionix,kxtf9";
reg = <0x0F>;
mount-matrix = "0", "1", "0",
"1", "0", "0",
"0", "0", "1";
};
};
...
Documentation/devicetree/bindings/iio/accel/mma8452.txt deleted 100644 → 0
View file @ 2911ed9f
Freescale MMA8451Q, MMA8452Q, MMA8453Q, MMA8652FC, MMA8653FC or FXLS8471Q
triaxial accelerometer
Required properties:
- compatible: should contain one of
* "fsl,mma8451"
* "fsl,mma8452"
* "fsl,mma8453"
* "fsl,mma8652"
* "fsl,mma8653"
* "fsl,fxls8471"
- reg: the I2C address of the chip
Optional properties:
- interrupts: interrupt mapping for GPIO IRQ
- interrupt-names: should contain "INT1" and/or "INT2", the accelerometer's
interrupt line in use.
- vdd-supply: phandle to the regulator that provides vdd power to the accelerometer.
- vddio-supply: phandle to the regulator that provides vddio power to the accelerometer.
Example:
mma8453fc@1d {
compatible = "fsl,mma8453";
reg = <0x1d>;
interrupt-parent = <&gpio1>;
interrupts = <5 0>;
interrupt-names = "INT2";
};
Documentation/devicetree/bindings/iio/adc/adc.txt deleted 100644 → 0
View file @ 2911ed9f
Common ADCs properties
Optional properties for child nodes:
- bipolar : Boolean, if set the channel is used in bipolar mode.
- diff-channels : Differential channels muxed for this ADC. The first value
specifies the positive input pin, the second value the negative
input pin.
Example:
adc@0 {
compatible = "some,adc";
...
channel@0 {
bipolar;
diff-channels = <0 1>;
...
};
channel@1 {
diff-channels = <2 3>;
...
};
};
Documentation/devicetree/bindings/iio/adc/adc.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/adc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Generic IIO bindings for ADC channels
maintainers:
- Jonathan Cameron <jic23@kernel.org>
description:
A few properties are defined in a common way ADC channels.
properties:
$nodename:
pattern: "^channel(@[0-9a-f]+)?$"
description:
A channel index should match reg.
reg:
maxItems: 1
label:
$ref: /schemas/types.yaml#/definitions/string
description: Unique name to identify which channel this is.
bipolar:
$ref: /schemas/types.yaml#/definitions/flag
description: If provided, the channel is to be used in bipolar mode.
diff-channels:
$ref: /schemas/types.yaml#/definitions/uint32-array
maxItems: 2
minItems: 2
description:
Many ADCs have dual Muxes to allow different input pins to be routed
to both the positive and negative inputs of a differential ADC.
The first value specifies the positive input pin, the second
specifies the negative input pin.
additionalProperties: true
Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml
View file @ 3db1a3fa
......@@ -63,10 +63,10 @@ required:
patternProperties:
"^channel@([0-9]|1[0-5])$":
$ref: "adc.yaml"
type: object
description: |
Represents the external channels which are connected to the ADC.
See Documentation/devicetree/bindings/iio/adc/adc.txt.
properties:
reg:
......@@ -88,15 +88,9 @@ patternProperties:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1, 3]
diff-channels:
description: see Documentation/devicetree/bindings/iio/adc/adc.txt
items:
minimum: 0
maximum: 15
diff-channels: true
bipolar:
description: see Documentation/devicetree/bindings/iio/adc/adc.txt
type: boolean
bipolar: true
adi,buffered-positive:
description: Enable buffered mode for positive input.
......@@ -110,6 +104,8 @@ patternProperties:
- reg
- diff-channels
additionalProperties: false
additionalProperties: false
examples:
......
Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
View file @ 3db1a3fa
......@@ -45,10 +45,10 @@ required:
patternProperties:
"^channel@[0-7]$":
$ref: "adc.yaml"
type: object
description: |
Represents the external channels which are connected to the ADC.
See Documentation/devicetree/bindings/iio/adc/adc.txt.
properties:
reg:
......@@ -58,13 +58,13 @@ patternProperties:
- minimum: 0
maximum: 7
diff-channels:
description: see Documentation/devicetree/bindings/iio/adc/adc.txt
maxItems: 1
diff-channels: true
required:
- reg
additionalProperties: true
additionalProperties: false
examples:
......
Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml
View file @ 3db1a3fa
......@@ -29,6 +29,12 @@ properties:
interrupts:
maxItems: 1
'#address-cells':
const: 1
'#size-cells':
const: 0
vref-supply:
description:
ADC reference voltage supply
......@@ -62,6 +68,24 @@ required:
- spi-cpha
- adi,sync-in-gpios
patternProperties:
"^channel@([0-9]|1[0-5])$":
type: object
description: |
Represents the external channels which are connected to the device.
properties:
reg:
description: |
The channel number.
label:
description: |
Unique name to identify which channel this is.
required:
- reg
additionalProperties: false
additionalProperties: false
examples:
......@@ -85,6 +109,14 @@ examples:
reset-gpios = <&gpio 27 GPIO_ACTIVE_LOW>;
clocks = <&ad7768_mclk>;
clock-names = "mclk";
#address-cells = <1>;
#size-cells = <0>;
channel@0 {
reg = <0>;
label = "channel_0";
};
};
};
...
Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt deleted 100644 → 0
View file @ 2911ed9f
* AT91 SAMA5D2 Analog to Digital Converter (ADC)
Required properties:
- compatible: Should be "atmel,sama5d2-adc" or "microchip,sam9x60-adc".
- reg: Should contain ADC registers location and length.
- interrupts: Should contain the IRQ line for the ADC.
- clocks: phandle to device clock.
- clock-names: Must be "adc_clk".
- vref-supply: Supply used as reference for conversions.
- vddana-supply: Supply for the adc device.
- atmel,min-sample-rate-hz: Minimum sampling rate, it depends on SoC.
- atmel,max-sample-rate-hz: Maximum sampling rate, it depends on SoC.
- atmel,startup-time-ms: Startup time expressed in ms, it depends on SoC.
- atmel,trigger-edge-type: One of possible edge types for the ADTRG hardware
trigger pin. When the specific edge type is detected, the conversion will
start. Possible values are rising, falling, or both.
This property uses the IRQ edge types values: IRQ_TYPE_EDGE_RISING ,
IRQ_TYPE_EDGE_FALLING or IRQ_TYPE_EDGE_BOTH
Optional properties:
- dmas: Phandle to dma channel for the ADC.
- dma-names: Must be "rx" when dmas property is being used.
See ../../dma/dma.txt for details.
- #io-channel-cells: in case consumer drivers are attached, this must be 1.
See <Documentation/devicetree/bindings/iio/iio-bindings.txt> for details.
Properties for consumer drivers:
- Consumer drivers can be connected to this producer device, as specified
in <Documentation/devicetree/bindings/iio/iio-bindings.txt>
- Channels exposed are specified in:
<dt-bindings/iio/adc/at91-sama5d2_adc.txt>
Example:
adc: adc@fc030000 {
compatible = "atmel,sama5d2-adc";
reg = <0xfc030000 0x100>;
interrupts = <40 IRQ_TYPE_LEVEL_HIGH 7>;
clocks = <&adc_clk>;
clock-names = "adc_clk";
atmel,min-sample-rate-hz = <200000>;
atmel,max-sample-rate-hz = <20000000>;
atmel,startup-time-ms = <4>;
vddana-supply = <&vdd_3v3_lp_reg>;
vref-supply = <&vdd_3v3_lp_reg>;
atmel,trigger-edge-type = <IRQ_TYPE_EDGE_BOTH>;
dmas = <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(25))>;
dma-names = "rx";
#io-channel-cells = <1>;
}
Documentation/devicetree/bindings/iio/adc/at91_adc.txt deleted 100644 → 0
View file @ 2911ed9f
* AT91's Analog to Digital Converter (ADC)
Required properties:
- compatible: Should be "atmel,<chip>-adc"
<chip> can be "at91sam9260", "at91sam9g45" or "at91sam9x5"
- reg: Should contain ADC registers location and length
- interrupts: Should contain the IRQ line for the ADC
- clock-names: tuple listing input clock names.
Required elements: "adc_clk", "adc_op_clk".
- clocks: phandles to input clocks.
- atmel,adc-channels-used: Bitmask of the channels muxed and enabled for this
device
- atmel,adc-startup-time: Startup Time of the ADC in microseconds as
defined in the datasheet
- atmel,adc-vref: Reference voltage in millivolts for the conversions
- atmel,adc-res: List of resolutions in bits supported by the ADC. List size
must be two at least.
- atmel,adc-res-names: Contains one identifier string for each resolution
in atmel,adc-res property. "lowres" and "highres"
identifiers are required.
Optional properties:
- atmel,adc-use-external-triggers: Boolean to enable the external triggers
- atmel,adc-use-res: String corresponding to an identifier from
atmel,adc-res-names property. If not specified, the highest
resolution will be used.
- atmel,adc-sleep-mode: Boolean to enable sleep mode when no conversion
- atmel,adc-sample-hold-time: Sample and Hold Time in microseconds
- atmel,adc-ts-wires: Number of touchscreen wires. Should be 4 or 5. If this
value is set, then the adc driver will enable touchscreen
support.
NOTE: when adc touchscreen is enabled, the adc hardware trigger will be
disabled. Since touchscreen will occupy the trigger register.
- atmel,adc-ts-pressure-threshold: a pressure threshold for touchscreen. It
makes touch detection more precise.
Optional trigger Nodes:
- Required properties:
* trigger-name: Name of the trigger exposed to the user
* trigger-value: Value to put in the Trigger register
to activate this trigger
- Optional properties:
* trigger-external: Is the trigger an external trigger?
Examples:
adc0: adc@fffb0000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "atmel,at91sam9260-adc";
reg = <0xfffb0000 0x100>;
interrupts = <20 IRQ_TYPE_LEVEL_HIGH 0>;
clocks = <&adc_clk>, <&adc_op_clk>;
clock-names = "adc_clk", "adc_op_clk";
atmel,adc-channels-used = <0xff>;
atmel,adc-startup-time = <40>;
atmel,adc-use-external-triggers;
atmel,adc-vref = <3300>;
atmel,adc-res = <8 10>;
atmel,adc-res-names = "lowres", "highres";
atmel,adc-use-res = "lowres";
trigger0 {
trigger-name = "external-rising";
trigger-value = <0x1>;
trigger-external;
};
trigger1 {
trigger-name = "external-falling";
trigger-value = <0x2>;
trigger-external;
};
trigger2 {
trigger-name = "external-any";
trigger-value = <0x3>;
trigger-external;
};
trigger3 {
trigger-name = "continuous";
trigger-value = <0x6>;
};
};
Documentation/devicetree/bindings/iio/adc/atmel,sama5d2-adc.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/atmel,sama5d2-adc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: AT91 SAMA5D2 Analog to Digital Converter (ADC)
maintainers:
- Ludovic Desroches <ludovic.desroches@atmel.com>
- Eugen Hristev <eugen.hristev@microchip.com>
properties:
compatible:
enum:
- atmel,sama5d2-adc
- microchip,sam9x60-adc
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
clock-names:
const: adc_clk
vref-supply: true
vddana-supply: true
atmel,min-sample-rate-hz:
description: Minimum sampling rate, it depends on SoC.
atmel,max-sample-rate-hz:
description: Maximum sampling rate, it depends on SoC.
atmel,startup-time-ms:
description: Startup time expressed in ms, it depends on SoC.
atmel,trigger-edge-type:
$ref: '/schemas/types.yaml#/definitions/uint32'
description:
One of possible edge types for the ADTRG hardware trigger pin.
When the specific edge type is detected, the conversion will
start. Should be one of IRQ_TYPE_EDGE_RISING, IRQ_TYPE_EDGE_FALLING
or IRQ_TYPE_EDGE_BOTH.
enum: [1, 2, 3]
dmas:
maxItems: 1
dma-names:
const: rx
"#io-channel-cells":
const: 1
additionalProperties: false
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- vref-supply
- vddana-supply
- atmel,min-sample-rate-hz
- atmel,max-sample-rate-hz
- atmel,startup-time-ms
- atmel,trigger-edge-type
examples:
- |
#include <dt-bindings/dma/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>
soc {
#address-cells = <1>;
#size-cells = <1>;
adc@fc030000 {
compatible = "atmel,sama5d2-adc";
reg = <0xfc030000 0x100>;
interrupts = <40 IRQ_TYPE_LEVEL_HIGH 7>;
clocks = <&adc_clk>;
clock-names = "adc_clk";
atmel,min-sample-rate-hz = <200000>;
atmel,max-sample-rate-hz = <20000000>;
atmel,startup-time-ms = <4>;
vddana-supply = <&vdd_3v3_lp_reg>;
vref-supply = <&vdd_3v3_lp_reg>;
atmel,trigger-edge-type = <IRQ_TYPE_EDGE_BOTH>;
dmas = <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(25))>;
dma-names = "rx";
#io-channel-cells = <1>;
};
};
...
Documentation/devicetree/bindings/iio/adc/atmel,sama9260-adc.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/atmel,sama9260-adc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: AT91 sama9260 and similar Analog to Digital Converter (ADC)
maintainers:
- Alexandre Belloni <alexandre.belloni@bootlin.com>
properties:
compatible:
enum:
- atmel,at91sam9260-adc
- atmel,at91sam9rl-adc
- atmel,at91sam9g45-adc
- atmel,at91sam9x5-adc
- atmel,at91sama5d3-adc
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
minItems: 2
maxItems: 2
clock-names:
items:
- const: adc_clk
- const: adc_op_clk
atmel,adc-channels-used:
$ref: /schemas/types.yaml#/definitions/uint32
description: Bitmask of the channels muxed and enabled for this device
atmel,adc-startup-time:
$ref: /schemas/types.yaml#/definitions/uint32
description:
Startup Time of the ADC in microseconds as defined in the datasheet
atmel,adc-vref:
$ref: /schemas/types.yaml#/definitions/uint32
description: Reference voltage in millivolts for the conversions
atmel,adc-use-external-triggers:
$ref: /schemas/types.yaml#/definitions/flag
description: Enable the external triggers
atmel,adc-use-res:
$ref: /schemas/types.yaml#/definitions/string
description:
String corresponding to an identifier from atmel,adc-res-names property.
If not specified, the highest resolution will be used.
enum:
- "lowres"
- "highres"
atmel,adc-sleep-mode:
$ref: /schemas/types.yaml#/definitions/flag
description: Enable sleep mode when no conversion
atmel,adc-sample-hold-time:
$ref: /schemas/types.yaml#/definitions/uint32
description: Sample and Hold Time in microseconds
atmel,adc-ts-wires:
$ref: /schemas/types.yaml#/definitions/uint32
description: |
Number of touchscreen wires. Must be set to enable touchscreen.
NOTE: when adc touchscreen is enabled, the adc hardware trigger will be
disabled. Since touchscreen will occupy the trigger register.
enum:
- 4
- 5
atmel,adc-ts-pressure-threshold:
$ref: /schemas/types.yaml#/definitions/uint32
description:
Pressure threshold for touchscreen.
"#io-channel-cells":
const: 1
additionalProperties: false
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- atmel,adc-channels-used
- atmel,adc-startup-time
- atmel,adc-vref
examples:
- |
#include <dt-bindings/dma/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>
soc {
#address-cells = <1>;
#size-cells = <1>;
adc@fffb0000 {
compatible = "atmel,at91sam9260-adc";
reg = <0xfffb0000 0x100>;
interrupts = <20 IRQ_TYPE_LEVEL_HIGH 0>;
clocks = <&adc_clk>, <&adc_op_clk>;
clock-names = "adc_clk", "adc_op_clk";
atmel,adc-channels-used = <0xff>;
atmel,adc-startup-time = <40>;
atmel,adc-use-external-triggers;
atmel,adc-vref = <3300>;
atmel,adc-use-res = "lowres";
};
};
...
Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt deleted 100644 → 0
View file @ 2911ed9f
* X-Powers AXP ADC bindings
Required properties:
- compatible: should be one of:
- "x-powers,axp209-adc",
- "x-powers,axp221-adc",
- "x-powers,axp813-adc",
- #io-channel-cells: should be 1,
Example:
&axp22x {
adc {
compatible = "x-powers,axp221-adc";
#io-channel-cells = <1>;
};
};
ADC channels and their indexes per variant:
AXP209
------
0 | acin_v
1 | acin_i
2 | vbus_v
3 | vbus_i
4 | pmic_temp
5 | gpio0_v
6 | gpio1_v
7 | ipsout_v
8 | batt_v
9 | batt_chrg_i
10 | batt_dischrg_i
AXP22x
------
0 | pmic_temp
1 | batt_v
2 | batt_chrg_i
3 | batt_dischrg_i
AXP813
------
0 | pmic_temp
1 | gpio0_v
2 | batt_v
3 | batt_chrg_i
4 | batt_dischrg_i
Documentation/devicetree/bindings/iio/adc/brcm,iproc-static-adc.txt deleted 100644 → 0
View file @ 2911ed9f
* Broadcom's IPROC Static ADC controller
Broadcom iProc ADC controller has 8 channels 10bit ADC.
Allows user to convert analog input voltage values to digital.
Required properties:
- compatible: Must be "brcm,iproc-static-adc"
- adc-syscon: Handler of syscon node defining physical base address of the
controller and length of memory mapped region.
- #io-channel-cells = <1>; As ADC has multiple outputs
refer to Documentation/devicetree/bindings/iio/iio-bindings.txt for details.
- io-channel-ranges:
refer to Documentation/devicetree/bindings/iio/iio-bindings.txt for details.
- clocks: Clock used for this block.
- clock-names: Clock name should be given as tsc_clk.
- interrupts: interrupt line number.
For example:
ts_adc_syscon: ts_adc_syscon@180a6000 {
compatible = "brcm,iproc-ts-adc-syscon","syscon";
reg = <0x180a6000 0xc30>;
};
adc: adc@180a6000 {
compatible = "brcm,iproc-static-adc";
adc-syscon = <&ts_adc_syscon>;
#io-channel-cells = <1>;
io-channel-ranges;
clocks = <&asiu_clks BCM_CYGNUS_ASIU_ADC_CLK>;
clock-names = "tsc_clk";
interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;
};
Documentation/devicetree/bindings/iio/adc/brcm,iproc-static-adc.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/brcm,iproc-static-adc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom's IPROC Static ADC controller
maintainers:
- Raveendra Padasalagi <raveendra.padasalagi@broadcom.com>
description: |
Broadcom iProc ADC controller has 8 10bit channels
properties:
compatible:
const: brcm,iproc-static-adc
adc-syscon:
$ref: /schemas/types.yaml#/definitions/phandle
description:
syscon node defining physical base address of the controller and length
of memory mapped region.
"#io-channel-cells":
const: 1
clocks:
maxItems: 1
clock-names:
const: tsc_clk
interrupts:
maxItems: 1
additionalProperties: false
required:
- compatible
- adc-syscon
- "#io-channel-cells"
- clocks
- clock-names
- interrupts
examples:
- |
#include <dt-bindings/clock/bcm-cygnus.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
soc {
#address-cells = <1>;
#size-cells = <1>;
ts_adc_syscon: ts_adc_syscon@180a6000 {
compatible = "brcm,iproc-ts-adc-syscon","syscon";
reg = <0x180a6000 0xc30>;
};
adc {
compatible = "brcm,iproc-static-adc";
adc-syscon = <&ts_adc_syscon>;
#io-channel-cells = <1>;
clocks = <&asiu_clks BCM_CYGNUS_ASIU_ADC_CLK>;
clock-names = "tsc_clk";
interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;
};
};
...
Documentation/devicetree/bindings/iio/adc/envelope-detector.txt deleted 100644 → 0
View file @ 2911ed9f
Bindings for ADC envelope detector using a DAC and a comparator
The DAC is used to find the peak level of an alternating voltage input
signal by a binary search using the output of a comparator wired to
an interrupt pin. Like so:
_
| \
input +------>-------|+ \
| \
.-------. | }---.
| | | / |
| dac|-->--|- / |
| | |_/ |
| | |
| | |
| irq|------<-------'
| |
'-------'
Required properties:
- compatible: Should be "axentia,tse850-envelope-detector"
- io-channels: Channel node of the dac to be used for comparator input.
- io-channel-names: Should be "dac".
- interrupt specification for one client interrupt,
see ../../interrupt-controller/interrupts.txt for details.
- interrupt-names: Should be "comp".
Example:
&i2c {
dpot: mcp4651-104@28 {
compatible = "microchip,mcp4651-104";
reg = <0x28>;
#io-channel-cells = <1>;
};
};
dac: dac {
compatible = "dpot-dac";
vref-supply = <&reg_3v3>;
io-channels = <&dpot 0>;
io-channel-names = "dpot";
#io-channel-cells = <1>;
};
envelope-detector {
compatible = "axentia,tse850-envelope-detector";
io-channels = <&dac 0>;
io-channel-names = "dac";
interrupt-parent = <&gpio>;
interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
interrupt-names = "comp";
};
Documentation/devicetree/bindings/iio/adc/envelope-detector.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/envelope-detector.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: ADC envelope detector using a DAC and a comparator
maintainers:
- Peter Rosin <peda@axentia.se>
description: |
The DAC is used to find the peak level of an alternating voltage input
signal by a binary search using the output of a comparator wired to
an interrupt pin. Like so:
_
| \
input +------>-------|+ \
| \
.-------. | }---.
| | | / |
| dac|-->--|- / |
| | |_/ |
| | |
| | |
| irq|------<-------'
| |
'-------'
properties:
compatible:
const: axentia,tse850-envelope-detector
io-channels:
maxItems: 1
description: Channel node of the dac to be used for comparator input.
io-channel-names:
const: dac
interrupts:
maxItems: 1
interrupt-names:
const: comp
required:
- compatible
- io-channels
- io-channel-names
- interrupts
- interrupt-names
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
dpot: dpot@28 {
compatible = "microchip,mcp4651-104";
reg = <0x28>;
#io-channel-cells = <1>;
};
};
dac: dac {
compatible = "dpot-dac";
vref-supply = <&reg_3v3>;
io-channels = <&dpot 0>;
io-channel-names = "dpot";
#io-channel-cells = <1>;
};
envelope-detector {
compatible = "axentia,tse850-envelope-detector";
io-channels = <&dac 0>;
io-channel-names = "dac";
interrupt-parent = <&gpio>;
interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
interrupt-names = "comp";
};
...
Documentation/devicetree/bindings/iio/adc/maxim,max1027.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/maxim,max1027.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Maxim MAX1027 and similar ADCs
maintainers:
- Miquel Raynal <miquel.raynal@bootlin.com>
- Philippe Reynes <tremyfr@yahoo.fr>
description: |
300ks/s SPI ADCs with temperature sensors.
properties:
compatible:
enum:
# 10-bit 8 channels
- maxim,max1027
# 10-bit 12 channels
- maxim,max1029
# 10-bit 16 channels
- maxim,max1031
# 12-bit 8 channels
- maxim,max1227
# 12-bit 12 channels
- maxim,max1229
# 12-bit 16 channels
- maxim,max1231
reg:
maxItems: 1
interrupts:
maxItems: 1
spi-max-frequency:
maximum: 10000000
"#io-channel-cells":
const: 1
required:
- compatible
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
spi {
#address-cells = <1>;
#size-cells = <0>;
maxadc: adc@0 {
compatible = "maxim,max1027";
reg = <0>;
#io-channel-cells = <1>;
interrupt-parent = <&gpio5>;
interrupts = <15 IRQ_TYPE_EDGE_RISING>;
spi-max-frequency = <1000000>;
};
};
...
Documentation/devicetree/bindings/iio/adc/mediatek,mt2701-auxadc.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/mediatek,mt2701-auxadc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Mediatek AUXADC - ADC on Mediatek mobile SoC (mt65xx/mt81xx/mt27xx)
maintainers:
- Zhiyong Tao <zhiyong.tao@mediatek.com>
- Matthias Brugger <matthias.bgg@gmail.com>
description: |
The Auxiliary Analog/Digital Converter (AUXADC) is an ADC found
in some Mediatek SoCs which among other things measures the temperatures
in the SoC. It can be used directly with register accesses, but it is also
used by thermal controller which reads the temperatures from the AUXADC
directly via its own bus interface. See mediatek-thermal bindings
for the Thermal Controller which holds a phandle to the AUXADC.
properties:
compatible:
oneOf:
- enum:
- mediatek,mt2701-auxadc
- mediatek,mt2712-auxadc
- mediatek,mt6765-auxadc
- mediatek,mt7622-auxadc
- mediatek,mt8173-auxadc
- items:
- enum:
- mediatek,mt7623-auxadc
- const: mediatek,mt2701-auxadc
- items:
- enum:
- mediatek,mt8183-auxadc
- mediatek,mt8516-auxadc
- const: mediatek,mt8173-auxadc
reg:
maxItems: 1
clocks:
maxItems: 1
clock-names:
const: main
"#io-channel-cells":
const: 1
additionalProperties: false
required:
- compatible
- reg
- clocks
- clock-names
- "#io-channel-cells"
examples:
- |
#include <dt-bindings/clock/mt8183-clk.h>
soc {
#address-cells = <2>;
#size-cells = <2>;
adc@11001000 {
compatible = "mediatek,mt8183-auxadc",
"mediatek,mt8173-auxadc";
reg = <0 0x11001000 0 0x1000>;
clocks = <&infracfg CLK_INFRA_AUXADC>;
clock-names = "main";
#io-channel-cells = <1>;
};
};
...
Documentation/devicetree/bindings/iio/adc/mediatek,mt6360-adc.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/mediatek,mt6360-adc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Mediatek MT6360 and similar ADCs
maintainers:
- Gene Chen <gene_chen@richtek.com>
properties:
compatible:
const: mediatek,mt6360-adc
"#io-channel-cells":
const: 1
required:
- compatible
- "#io-channel-cells"
additionalProperties: false
examples:
- |
adc {
compatible = "mediatek,mt6360-adc";
#io-channel-cells = <1>;
};
...
Documentation/devicetree/bindings/iio/adc/mt6577_auxadc.txt deleted 100644 → 0
View file @ 2911ed9f
* Mediatek AUXADC - Analog to Digital Converter on Mediatek mobile soc (mt65xx/mt81xx/mt27xx)
===============
The Auxiliary Analog/Digital Converter (AUXADC) is an ADC found
in some Mediatek SoCs which among other things measures the temperatures
in the SoC. It can be used directly with register accesses, but it is also
used by thermal controller which reads the temperatures from the AUXADC
directly via its own bus interface. See
Documentation/devicetree/bindings/thermal/mediatek-thermal.txt
for the Thermal Controller which holds a phandle to the AUXADC.
Required properties:
- compatible: Should be one of:
- "mediatek,mt2701-auxadc": For MT2701 family of SoCs
- "mediatek,mt2712-auxadc": For MT2712 family of SoCs
- "mediatek,mt6765-auxadc": For MT6765 family of SoCs
- "mediatek,mt7622-auxadc": For MT7622 family of SoCs
- "mediatek,mt8173-auxadc": For MT8173 family of SoCs
- "mediatek,mt8183-auxadc", "mediatek,mt8173-auxadc": For MT8183 family of SoCs
- reg: Address range of the AUXADC unit.
- clocks: Should contain a clock specifier for each entry in clock-names
- clock-names: Should contain "main".
- #io-channel-cells: Should be 1, see ../iio-bindings.txt
Example:
auxadc: adc@11001000 {
compatible = "mediatek,mt2701-auxadc";
reg = <0 0x11001000 0 0x1000>;
clocks = <&pericfg CLK_PERI_AUXADC>;
clock-names = "main";
#io-channel-cells = <1>;
};
Documentation/devicetree/bindings/iio/adc/palmas-gpadc.txt deleted 100644 → 0
View file @ 2911ed9f
* Palmas general purpose ADC IP block devicetree bindings
Channels list:
0 battery type
1 battery temp NTC (optional current source)
2 GP
3 temp (with ext. diode, optional current source)
4 GP
5 GP
6 VBAT_SENSE
7 VCC_SENSE
8 Backup Battery voltage
9 external charger (VCHG)
10 VBUS
11 DC-DC current probe (how does this work?)
12 internal die temp
13 internal die temp
14 USB ID pin voltage
15 test network
Required properties:
- compatible : Must be "ti,palmas-gpadc".
- #io-channel-cells: Should be set to <1>.
Optional sub-nodes:
ti,channel0-current-microamp: Channel 0 current in uA.
Values are rounded to derive 0uA, 5uA, 15uA, 20uA.
ti,channel3-current-microamp: Channel 3 current in uA.
Values are rounded to derive 0uA, 10uA, 400uA, 800uA.
ti,enable-extended-delay: Enable extended delay.
Example:
pmic {
compatible = "ti,twl6035-pmic", "ti,palmas-pmic";
...
gpadc {
compatible = "ti,palmas-gpadc";
interrupts = <18 0
16 0
17 0>;
#io-channel-cells = <1>;
ti,channel0-current-microamp = <5>;
ti,channel3-current-microamp = <10>;
};
};
...
};
Documentation/devicetree/bindings/iio/adc/qcom,pm8018-adc.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/qcom,pm8018-adc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm's PM8xxx voltage XOADC
maintainers:
- Linus Walleij <linus.walleij@linaro.org>
description: |
The Qualcomm PM8xxx PMICs contain a HK/XO ADC (Housekeeping/Crystal
oscillator ADC) encompassing PM8018, PM8038, PM8058 and PM8921.
properties:
compatible:
enum:
- qcom,pm8018-adc
- qcom,pm8038-adc
- qcom,pm8058-adc
- qcom,pm8921-adc
reg:
maxItems: 1
description:
ADC base address in the PMIC, typically 0x197.
xoadc-ref-supply:
description:
The reference voltage may vary with PMIC variant but is typically
something like 2.2 or 1.8V.
interrupts:
maxItems: 1
"#address-cells":
const: 2
description:
The first cell is the prescaler (on PM8058) or premux (on PM8921)
with two valid bits so legal values are 0x00, 0x01 or 0x02.
The second cell is the main analog mux setting (0x00..0x0f).
The combination of prescaler/premux and analog mux uniquely addresses
a hardware channel on all systems.
"#size-cells":
const: 0
"#io-channel-cells":
const: 2
description:
The cells are precaler or premux followed by the analog muxing line.
additionalProperties: false
required:
- compatible
- reg
- "#io-channel-cells"
- "#address-cells"
- "#size-cells"
- adc-channel@c
- adc-channel@d
- adc-channel@f
patternProperties:
"^(adc-channel@)[0-9a-f]$":
type: object
description: |
ADC channel specific configuration.
Note that channels c, d and f must be present for calibration.
These three nodes are used for absolute and ratiometric calibration
and only need to have these reg values: they are by hardware definition
1:1 ratio converters that sample 625, 1250 and 0 milliV and create
an interpolation calibration for all other ADCs.
properties:
reg:
maxItems: 1
qcom,decimation:
$ref: /schemas/types.yaml#/definitions/uint32
description: |
This parameter is used to decrease the ADC sampling rate.
Quicker measurements can be made by reducing the decimation ratio.
Valid values are 512, 1024, 2048, 4096.
If the property is not found, a default value of 512 will be used.
qcom,ratiometric:
$ref: /schemas/types.yaml#/definitions/uint32
description: |
Channel calibration type. If this property is specified
VADC will use a special voltage references for channel
calibration. The available references are specified in the
as a u32 value setting (see below) and it is compulsory
to also specify this reference if ratiometric calibration
is selected.
If the property is not found, the channel will be
calibrated with the 0.625V and 1.25V reference channels, also
known as an absolute calibration.
The reference voltage pairs when using ratiometric calibration:
0 = XO_IN/XOADC_GND
1 = PMIC_IN/XOADC_GND
2 = PMIC_IN/BMS_CSP
3 (invalid)
4 = XOADC_GND/XOADC_GND
5 = XOADC_VREF/XOADC_GND
additionalProperties: false
required:
- reg
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
pmic {
#address-cells = <1>;
#size-cells = <0>;
adc@197 {
compatible = "qcom,pm8058-adc";
reg = <0x197>;
interrupts-extended = <&pm8058 76 IRQ_TYPE_EDGE_RISING>;
#address-cells = <2>;
#size-cells = <0>;
#io-channel-cells = <2>;
vcoin: adc-channel@0 {
reg = <0x00 0x00>;
};
vbat: adc-channel@1 {
reg = <0x00 0x01>;
};
dcin: adc-channel@2 {
reg = <0x00 0x02>;
};
ichg: adc-channel@3 {
reg = <0x00 0x03>;
};
vph_pwr: adc-channel@4 {
reg = <0x00 0x04>;
};
usb_vbus: adc-channel@a {
reg = <0x00 0x0a>;
};
die_temp: adc-channel@b {
reg = <0x00 0x0b>;
};
ref_625mv: adc-channel@c {
reg = <0x00 0x0c>;
};
ref_1250mv: adc-channel@d {
reg = <0x00 0x0d>;
};
ref_325mv: adc-channel@e {
reg = <0x00 0x0e>;
};
ref_muxoff: adc-channel@f {
reg = <0x00 0x0f>;
};
};
};
...
Documentation/devicetree/bindings/iio/adc/qcom,pm8xxx-xoadc.txt deleted 100644 → 0
View file @ 2911ed9f
Qualcomm's PM8xxx voltage XOADC
The Qualcomm PM8xxx PMICs contain a HK/XO ADC (Housekeeping/Crystal
oscillator ADC) encompassing PM8018, PM8038, PM8058 and PM8921.
Required properties:
- compatible: should be one of:
"qcom,pm8018-adc"
"qcom,pm8038-adc"
"qcom,pm8058-adc"
"qcom,pm8921-adc"
- reg: should contain the ADC base address in the PMIC, typically
0x197.
- xoadc-ref-supply: should reference a regulator that can supply
a reference voltage on demand. The reference voltage may vary
with PMIC variant but is typically something like 2.2 or 1.8V.
The following required properties are standard for IO channels, see
iio-bindings.txt for more details, but notice that this particular
ADC has a special addressing scheme that require two cells for
identifying each ADC channel:
- #address-cells: should be set to <2>, the first cell is the
prescaler (on PM8058) or premux (on PM8921) with two valid bits
so legal values are 0x00, 0x01 or 0x02. The second cell
is the main analog mux setting (0x00..0x0f). The combination
of prescaler/premux and analog mux uniquely addresses a hardware
channel on all systems.
- #size-cells: should be set to <0>
- #io-channel-cells: should be set to <2>, again the cells are
precaler or premux followed by the analog muxing line.
- interrupts: should refer to the parent PMIC interrupt controller
and reference the proper ADC interrupt.
Required subnodes:
The ADC channels are configured as subnodes of the ADC.
Since some of them are used for calibrating the ADC, these nodes are
compulsory:
adc-channel@c {
reg = <0x00 0x0c>;
};
adc-channel@d {
reg = <0x00 0x0d>;
};
adc-channel@f {
reg = <0x00 0x0f>;
};
These three nodes are used for absolute and ratiometric calibration
and only need to have these reg values: they are by hardware definition
1:1 ratio converters that sample 625, 1250 and 0 milliV and create
an interpolation calibration for all other ADCs.
Optional subnodes: any channels other than channels [0x00 0x0c],
[0x00 0x0d] and [0x00 0x0f] are optional.
Required channel node properties:
- reg: should contain the hardware channel number in the range
0 .. 0xff (8 bits).
Optional channel node properties:
- qcom,decimation:
Value type: <u32>
Definition: This parameter is used to decrease the ADC sampling rate.
Quicker measurements can be made by reducing the decimation ratio.
Valid values are 512, 1024, 2048, 4096.
If the property is not found, a default value of 512 will be used.
- qcom,ratiometric:
Value type: <u32>
Definition: Channel calibration type. If this property is specified
VADC will use a special voltage references for channel
calibration. The available references are specified in the
as a u32 value setting (see below) and it is compulsory
to also specify this reference if ratiometric calibration
is selected.
If the property is not found, the channel will be
calibrated with the 0.625V and 1.25V reference channels, also
known as an absolute calibration.
The reference voltage pairs when using ratiometric calibration:
0 = XO_IN/XOADC_GND
1 = PMIC_IN/XOADC_GND
2 = PMIC_IN/BMS_CSP
3 (invalid)
4 = XOADC_GND/XOADC_GND
5 = XOADC_VREF/XOADC_GND
Example:
xoadc: xoadc@197 {
compatible = "qcom,pm8058-adc";
reg = <0x197>;
interrupts-extended = <&pm8058 76 IRQ_TYPE_EDGE_RISING>;
#address-cells = <2>;
#size-cells = <0>;
#io-channel-cells = <2>;
vcoin: adc-channel@0 {
reg = <0x00 0x00>;
};
vbat: adc-channel@1 {
reg = <0x00 0x01>;
};
dcin: adc-channel@2 {
reg = <0x00 0x02>;
};
ichg: adc-channel@3 {
reg = <0x00 0x03>;
};
vph_pwr: adc-channel@4 {
reg = <0x00 0x04>;
};
usb_vbus: adc-channel@a {
reg = <0x00 0x0a>;
};
die_temp: adc-channel@b {
reg = <0x00 0x0b>;
};
ref_625mv: adc-channel@c {
reg = <0x00 0x0c>;
};
ref_1250mv: adc-channel@d {
reg = <0x00 0x0d>;
};
ref_325mv: adc-channel@e {
reg = <0x00 0x0e>;
};
ref_muxoff: adc-channel@f {
reg = <0x00 0x0f>;
};
};
/* IIO client node */
iio-hwmon {
compatible = "iio-hwmon";
io-channels = <&xoadc 0x00 0x01>, /* Battery */
<&xoadc 0x00 0x02>, /* DC in (charger) */
<&xoadc 0x00 0x04>, /* VPH the main system voltage */
<&xoadc 0x00 0x0b>, /* Die temperature */
<&xoadc 0x00 0x0c>, /* Reference voltage 1.25V */
<&xoadc 0x00 0x0d>, /* Reference voltage 0.625V */
<&xoadc 0x00 0x0e>; /* Reference voltage 0.325V */
};
Documentation/devicetree/bindings/iio/adc/qcom,spmi-iadc.txt deleted 100644 → 0
View file @ 2911ed9f
Qualcomm's SPMI PMIC current ADC
QPNP PMIC current ADC (IADC) provides interface to clients to read current.
A 16 bit ADC is used for current measurements. IADC can measure the current
through an external resistor (channel 1) or internal (built-in) resistor
(channel 0). When using an external resistor it is to be described by
qcom,external-resistor-micro-ohms property.
IADC node:
- compatible:
Usage: required
Value type: <string>
Definition: Should contain "qcom,spmi-iadc".
- reg:
Usage: required
Value type: <prop-encoded-array>
Definition: IADC base address and length in the SPMI PMIC register map
- interrupts:
Usage: optional
Value type: <prop-encoded-array>
Definition: End of ADC conversion.
- qcom,external-resistor-micro-ohms:
Usage: optional
Value type: <u32>
Definition: Sense resister value in micro Ohm.
If not defined value of 10000 micro Ohms will be used.
Example:
/* IADC node */
pmic_iadc: iadc@3600 {
compatible = "qcom,spmi-iadc";
reg = <0x3600 0x100>;
interrupts = <0x0 0x36 0x0 IRQ_TYPE_EDGE_RISING>;
qcom,external-resistor-micro-ohms = <10000>;
#io-channel-cells = <1>;
};
/* IIO client node */
bat {
io-channels = <&pmic_iadc 0>;
io-channel-names = "iadc";
};
Documentation/devicetree/bindings/iio/adc/qcom,spmi-iadc.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/qcom,spmi-iadc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm's SPMI PMIC current ADC
maintainers:
- Jonathan Cameron <jic23@kernel.org>
description: |
QPNP PMIC current ADC (IADC) provides interface to clients to read current.
A 16 bit ADC is used for current measurements. IADC can measure the current
through an external resistor (channel 1) or internal (built-in) resistor
(channel 0). When using an external resistor it is to be described by
qcom,external-resistor-micro-ohms property.
properties:
compatible:
const: qcom,spmi-iadc
reg:
description: IADC base address and length in the SPMI PMIC register map
maxItems: 1
qcom,external-resistor-micro-ohms:
description:
Sensor resistor value. If not defined value of 10000 micro Ohms
will be used.
interrupts:
maxItems: 1
description:
End of conversion interrupt.
"#io-channel-cells":
const: 1
required:
- compatible
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
spmi_bus {
#address-cells = <1>;
#size-cells = <0>;
pmic_iadc: adc@3600 {
compatible = "qcom,spmi-iadc";
reg = <0x3600 0x100>;
interrupts = <0x0 0x36 0x0 IRQ_TYPE_EDGE_RISING>;
qcom,external-resistor-micro-ohms = <10000>;
#io-channel-cells = <1>;
};
};
...
Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml
View file @ 3db1a3fa
......@@ -48,8 +48,6 @@ properties:
description:
End of conversion interrupt.
io-channel-ranges: true
required:
- compatible
- reg
......@@ -249,7 +247,6 @@ examples:
#address-cells = <1>;
#size-cells = <0>;
#io-channel-cells = <1>;
io-channel-ranges;
/* Channel node */
adc-chan@39 {
......
Documentation/devicetree/bindings/iio/adc/renesas,gyroadc.txt deleted 100644 → 0
View file @ 2911ed9f
* Renesas R-Car GyroADC device driver
The GyroADC block is a reduced SPI block with up to 8 chipselect lines,
which supports the SPI protocol of a selected few SPI ADCs. The SPI ADCs
are sampled by the GyroADC block in a round-robin fashion and the result
presented in the GyroADC registers.
Required properties:
- compatible: Should be "<soc-specific>", "renesas,rcar-gyroadc".
The <soc-specific> should be one of:
renesas,r8a7791-gyroadc - for the GyroADC block present
in r8a7791 SoC
renesas,r8a7792-gyroadc - for the GyroADC with interrupt
block present in r8a7792 SoC
- reg: Address and length of the register set for the device
- clocks: References to all the clocks specified in the clock-names
property as specified in
Documentation/devicetree/bindings/clock/clock-bindings.txt.
- clock-names: Shall contain "fck". The "fck" is the GyroADC block clock.
- power-domains: Must contain a reference to the PM domain, if available.
- #address-cells: Should be <1> (setting for the subnodes) for all ADCs
except for "fujitsu,mb88101a". Should be <0> (setting for
only subnode) for "fujitsu,mb88101a".
- #size-cells: Should be <0> (setting for the subnodes)
Sub-nodes:
You must define subnode(s) which select the connected ADC type and reference
voltage for the GyroADC channels.
Required properties for subnodes:
- compatible: Should be either of:
"fujitsu,mb88101a"
- Fujitsu MB88101A compatible mode,
12bit sampling, up to 4 channels can be sampled in
round-robin fashion. One Fujitsu chip supplies four
GyroADC channels with data as it contains four ADCs
on the chip and thus for 4-channel operation, single
MB88101A is required. The Cx chipselect lines of the
MB88101A connect directly to two CHS lines of the
GyroADC, no demuxer is required. The data out line
of each MB88101A connects to a shared input pin of
the GyroADC.
"ti,adcs7476" or "ti,adc121" or "adi,ad7476"
- TI ADCS7476 / TI ADC121 / ADI AD7476 compatible mode,
15bit sampling, up to 8 channels can be sampled in
round-robin fashion. One TI/ADI chip supplies single
ADC channel with data, thus for 8-channel operation,
8 chips are required. A 3:8 chipselect demuxer is
required to connect the nCS line of the TI/ADI chips
to the GyroADC, while MISO line of each TI/ADI ADC
connects to a shared input pin of the GyroADC.
"maxim,max1162" or "maxim,max11100"
- Maxim MAX1162 / Maxim MAX11100 compatible mode,
16bit sampling, up to 8 channels can be sampled in
round-robin fashion. One Maxim chip supplies single
ADC channel with data, thus for 8-channel operation,
8 chips are required. A 3:8 chipselect demuxer is
required to connect the nCS line of the MAX chips
to the GyroADC, while MISO line of each Maxim ADC
connects to a shared input pin of the GyroADC.
- reg: Should be the number of the analog input. Should be present
for all ADCs except "fujitsu,mb88101a".
- vref-supply: Reference to the channel reference voltage regulator.
Example:
vref_max1162: regulator-vref-max1162 {
compatible = "regulator-fixed";
regulator-name = "MAX1162 Vref";
regulator-min-microvolt = <4096000>;
regulator-max-microvolt = <4096000>;
};
adc@e6e54000 {
compatible = "renesas,r8a7791-gyroadc", "renesas,rcar-gyroadc";
reg = <0 0xe6e54000 0 64>;
clocks = <&mstp9_clks R8A7791_CLK_GYROADC>;
clock-names = "fck";
power-domains = <&sysc R8A7791_PD_ALWAYS_ON>;
pinctrl-0 = <&adc_pins>;
pinctrl-names = "default";
#address-cells = <1>;
#size-cells = <0>;
adc@0 {
reg = <0>;
compatible = "maxim,max1162";
vref-supply = <&vref_max1162>;
};
adc@1 {
reg = <1>;
compatible = "maxim,max1162";
vref-supply = <&vref_max1162>;
};
};
Documentation/devicetree/bindings/iio/adc/renesas,rcar-gyroadc.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/renesas,rcar-gyroadc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas R-Car GyroADC
maintainers:
- Marek Vasut <marek.vasut+renesas@gmail.com>
description: |
The GyroADC block is a reduced SPI block with up to 8 chipselect lines,
which supports the SPI protocol of a selected few SPI ADCs. The SPI ADCs
are sampled by the GyroADC block in a round-robin fashion and the result
presented in the GyroADC registers.
The ADC bindings should match with that of the devices connected to a
full featured SPI bus.
properties:
compatible:
items:
- enum:
- renesas,r8a7791-gyroadc
- renesas,r8a7792-gyroadc
- const: renesas,rcar-gyroadc
reg:
maxItems: 1
clocks:
maxItems: 1
clock-names:
const: fck
power-domains: true
resets: true
"#address-cells":
const: 1
"#size-cells":
const: 0
additionalProperties: false
required:
- compatible
- reg
- clocks
- clock-names
- "#address-cells"
- "#size-cells"
patternProperties:
"@[0-7]$":
type: object
properties:
compatible:
description: |
fujitsu,mb88101a
- Fujitsu MB88101A compatible mode,
12bit sampling, up to 4 channels can be sampled in round-robin
fashion. One Fujitsu chip supplies four GyroADC channels with
data as it contains four ADCs on the chip and thus for 4-channel
operation, single MB88101A is required. The Cx chipselect lines
of the MB88101A connect directly to two CHS lines of the GyroADC,
no demuxer is required. The data out line of each MB88101A
connects to a shared input pin of the GyroADC.
ti,adcs7476 or ti,adc121 or adi,ad7476
- TI ADCS7476 / TI ADC121 / ADI AD7476 compatible mode, 15bit
sampling, up to 8 channels can be sampled in round-robin
fashion. One TI/ADI chip supplies single ADC channel with data,
thus for 8-channel operation, 8 chips are required.
A 3:8 chipselect demuxer is required to connect the nCS line
of the TI/ADI chips to the GyroADC, while MISO line of each
TI/ADI ADC connects to a shared input pin of the GyroADC.
maxim,max1162 or maxim,max11100
- Maxim MAX1162 / Maxim MAX11100 compatible mode, 16bit sampling,
up to 8 channels can be sampled in round-robin fashion. One
Maxim chip supplies single ADC channel with data, thus for
8-channel operation, 8 chips are required.
A 3:8 chipselect demuxer is required to connect the nCS line
of the MAX chips to the GyroADC, while MISO line of each Maxim
ADC connects to a shared input pin of the GyroADC.
enum:
- adi,7476
- fujitsu,mb88101a
- maxim,max1162
- maxim,max11100
- ti,adcs7476
- ti,adc121
reg:
minimum: 0
maximum: 7
vref-supply: true
additionalProperties: false
required:
- compatible
- reg
- vref-supply
examples:
- |
#include <dt-bindings/clock/r8a7791-clock.h>
#include <dt-bindings/power/r8a7791-sysc.h>
soc {
#address-cells = <2>;
#size-cells = <2>;
adc@e6e54000 {
compatible = "renesas,r8a7791-gyroadc", "renesas,rcar-gyroadc";
reg = <0 0xe6e54000 0 64>;
clocks = <&mstp9_clks R8A7791_CLK_GYROADC>;
clock-names = "fck";
power-domains = <&sysc R8A7791_PD_ALWAYS_ON>;
pinctrl-0 = <&adc_pins>;
pinctrl-names = "default";
#address-cells = <1>;
#size-cells = <0>;
adc@0 {
reg = <0>;
compatible = "maxim,max1162";
vref-supply = <&vref_max1162>;
};
adc@1 {
reg = <1>;
compatible = "maxim,max1162";
vref-supply = <&vref_max1162>;
};
};
};
...
Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml
View file @ 3db1a3fa
......@@ -49,8 +49,6 @@ properties:
"#io-channel-cells":
const: 1
io-channel-ranges: true
vdd-supply: true
samsung,syscon-phandle:
......@@ -130,7 +128,6 @@ examples:
reg = <0x12d10000 0x100>;
interrupts = <0 106 0>;
#io-channel-cells = <1>;
io-channel-ranges;
clocks = <&clock 303>;
clock-names = "adc";
......@@ -156,7 +153,6 @@ examples:
reg = <0x126C0000 0x100>;
interrupts = <0 137 0>;
#io-channel-cells = <1>;
io-channel-ranges;
clocks = <&cmu CLK_TSADC>,
<&cmu CLK_SCLK_TSADC>;
......
Documentation/devicetree/bindings/iio/adc/ti,adc084s021.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/ti,adc084s021.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Texas Instruments ADC084S021 ADC
maintainers:
- Mårten Lindahl <martenli@axis.com>
description: |
8 bit ADC with 4 channels
properties:
compatible:
const: ti,adc084s021
reg:
maxItems: 1
spi-max-frequency: true
vref-supply:
description: External reference, needed to establish input scaling
spi-cpol: true
spi-cpha: true
"#io-channel-cells":
const: 1
required:
- compatible
- reg
- vref-supply
- spi-cpol
- spi-cpha
additionalProperties: false
examples:
- |
spi {
#address-cells = <1>;
#size-cells = <0>;
adc@0 {
compatible = "ti,adc084s021";
reg = <0>;
vref-supply = <&adc_vref>;
spi-cpol;
spi-cpha;
spi-max-frequency = <16000000>;
#io-channel-cells = <1>;
};
};
...
Documentation/devicetree/bindings/iio/adc/ti,ads124s08.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/ti,ads124s08.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Texas Instruments' ads124s08 and ads124s06 ADC chip
maintainers:
- Dan Murphy <dmurphy@ti.com>
properties:
compatible:
enum:
- ti,ads124s06
- ti,ads124s08
reg:
maxItems: 1
spi-max-frequency: true
spi-cpha: true
reset-gpios:
maxItems: 1
"#io-channel-cells":
const: 1
required:
- compatible
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
spi {
#address-cells = <1>;
#size-cells = <0>;
adc@0 {
compatible = "ti,ads124s08";
reg = <0>;
spi-max-frequency = <1000000>;
spi-cpha;
reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
};
};
...
Documentation/devicetree/bindings/iio/adc/ti,palmas-gpadc.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/ti,palmas-gpadc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Palmas general purpose ADC IP block devicetree bindings
maintainers:
- Tony Lindgren <tony@atomide.com>
description: |
This ADC is often used to provide channels via the io-channels
consumer framework.
Channels list:
0 battery type
1 battery temp NTC (optional current source)
2 GP
3 temp (with ext. diode, optional current source)
4 GP
5 GP
6 VBAT_SENSE
7 VCC_SENSE
8 Backup Battery voltage
9 external charger (VCHG)
10 VBUS
11 DC-DC current probe (how does this work?)
12 internal die temp
13 internal die temp
14 USB ID pin voltage
15 test network
properties:
compatible:
const: ti,palmas-gpadc
interrupts:
minItems: 1
maxItems: 3
"#io-channel-cells":
const: 1
ti,channel0-current-microamp:
$ref: /schemas/types.yaml#/definitions/uint32
description: Channel 0 current in uA.
enum:
- 0
- 5
- 15
- 20
ti,channel3-current-microamp:
$ref: /schemas/types.yaml#/definitions/uint32
description: Channel 3 current in uA.
enum:
- 0
- 10
- 400
- 800
ti,enable-extended-delay:
$ref: /schemas/types.yaml#/definitions/flag
description: Enable extended delay.
additionalProperties: false
required:
- compatible
- "#io-channel-cells"
examples:
- |
#include <dt-bindings/clock/mt8183-clk.h>
pmic {
compatible = "ti,twl6035-pmic", "ti,palmas-pmic";
adc {
compatible = "ti,palmas-gpadc";
interrupts = <18 0
16 0
17 0>;
#io-channel-cells = <1>;
ti,channel0-current-microamp = <5>;
ti,channel3-current-microamp = <10>;
};
};
...
Documentation/devicetree/bindings/iio/adc/ti-adc084s021.txt deleted 100644 → 0
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* Texas Instruments' ADC084S021
Required properties:
- compatible : Must be "ti,adc084s021"
- reg : SPI chip select number for the device
- vref-supply : The regulator supply for ADC reference voltage
- spi-cpol : Per spi-bus bindings
- spi-cpha : Per spi-bus bindings
- spi-max-frequency : Per spi-bus bindings
Example:
adc@0 {
compatible = "ti,adc084s021";
reg = <0>;
vref-supply = <&adc_vref>;
spi-cpol;
spi-cpha;
spi-max-frequency = <16000000>;
};
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* Texas Instruments' ads124s08 and ads124s06 ADC chip
Required properties:
- compatible :
"ti,ads124s08"
"ti,ads124s06"
- reg : spi chip select number for the device
Recommended properties:
- spi-max-frequency : Definition as per
Documentation/devicetree/bindings/spi/spi-bus.txt
- spi-cpha : Definition as per
Documentation/devicetree/bindings/spi/spi-bus.txt
Optional properties:
- reset-gpios : GPIO pin used to reset the device.
Example:
adc@0 {
compatible = "ti,ads124s08";
reg = <0>;
spi-max-frequency = <1000000>;
spi-cpha;
reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
};
Documentation/devicetree/bindings/iio/adc/x-powers,axp209-adc.yaml 0 → 100644
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/x-powers,axp209-adc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: X-Powers AXP ADC bindings
maintainers:
- Chen-Yu Tsai <wens@csie.org>
description: |
ADC is frequently used as a provider to consumers of the ADC channels.
Device is a child of an axp209 multifunction device
ADC channels and their indexes per variant:
AXP209
------
0 | acin_v
1 | acin_i
2 | vbus_v
3 | vbus_i
4 | pmic_temp
5 | gpio0_v
6 | gpio1_v
7 | ipsout_v
8 | batt_v
9 | batt_chrg_i
10 | batt_dischrg_i
AXP22x
------
0 | pmic_temp
1 | batt_v
2 | batt_chrg_i
3 | batt_dischrg_i
AXP813
------
0 | pmic_temp
1 | gpio0_v
2 | batt_v
3 | batt_chrg_i
4 | batt_dischrg_i
properties:
compatible:
enum:
- x-powers,axp209-adc
- x-powers,axp221-adc
- x-powers,axp813-adc
"#io-channel-cells":
const: 1
additionalProperties: false
examples:
- |
axp221 {
adc {
compatible = "x-powers,axp221-adc";
#io-channel-cells = <1>;
};
};
...
Documentation/devicetree/bindings/iio/afe/current-sense-amplifier.txt deleted 100644 → 0
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Current Sense Amplifier
=======================
When an io-channel measures the output voltage from a current sense
amplifier, the interesting measurement is almost always the current
through the sense resistor, not the voltage output. This binding
describes such a current sense circuit.
Required properties:
- compatible : "current-sense-amplifier"
- io-channels : Channel node of a voltage io-channel.
- sense-resistor-micro-ohms : The sense resistance in microohms.
Optional properties:
- sense-gain-mult: Amplifier gain multiplier. The default is <1>.
- sense-gain-div: Amplifier gain divider. The default is <1>.
Example:
sysi {
compatible = "current-sense-amplifier";
io-channels = <&tiadc 0>;
sense-resistor-micro-ohms = <20000>;
sense-gain-mul = <50>;
};
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/afe/current-sense-amplifier.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Current Sense Amplifier
maintainers:
- Peter Rosin <peda@axentia.se>
description: |
When an io-channel measures the output voltage from a current sense
amplifier, the interesting measurement is almost always the current
through the sense resistor, not the voltage output. This binding
describes such a current sense circuit.
properties:
compatible:
const: current-sense-amplifier
io-channels:
maxItems: 1
description: |
Channel node of a voltage io-channel.
sense-resistor-micro-ohms:
description: The sense resistance.
sense-gain-mult:
$ref: /schemas/types.yaml#/definitions/uint32
description: Amplifier gain multiplier. The default is <1>.
sense-gain-div:
$ref: /schemas/types.yaml#/definitions/uint32
description: Amplifier gain divider. The default is <1>.
required:
- compatible
- io-channels
- sense-resistor-micro-ohms
additionalProperties: false
examples:
- |
sysi {
compatible = "current-sense-amplifier";
io-channels = <&tiadc 0>;
sense-resistor-micro-ohms = <20000>;
sense-gain-mult = <50>;
};
...
Documentation/devicetree/bindings/iio/afe/current-sense-shunt.txt deleted 100644 → 0
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Current Sense Shunt
===================
When an io-channel measures the voltage over a current sense shunt,
the interesting measurement is almost always the current through the
shunt, not the voltage over it. This binding describes such a current
sense circuit.
Required properties:
- compatible : "current-sense-shunt"
- io-channels : Channel node of a voltage io-channel.
- shunt-resistor-micro-ohms : The shunt resistance in microohms.
Example:
The system current is measured by measuring the voltage over a
3.3 ohms shunt resistor.
sysi {
compatible = "current-sense-shunt";
io-channels = <&tiadc 0>;
/* Divide the voltage by 3300000/1000000 (or 3.3) for the current. */
shunt-resistor-micro-ohms = <3300000>;
};
&i2c {
tiadc: adc@48 {
compatible = "ti,ads1015";
reg = <0x48>;
#io-channel-cells = <1>;
#address-cells = <1>;
#size-cells = <0>;
channel@0 { /* IN0,IN1 differential */
reg = <0>;
ti,gain = <1>;
ti,datarate = <4>;
};
};
};
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/afe/current-sense-shunt.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Current Sense Shunt
maintainers:
- Peter Rosin <peda@axentia.se>
description: |
When an io-channel measures the voltage over a current sense shunt,
the interesting measurement is almost always the current through the
shunt, not the voltage over it. This binding describes such a current
sense circuit.
properties:
compatible:
const: current-sense-shunt
io-channels:
maxItems: 1
description: |
Channel node of a voltage io-channel.
shunt-resistor-micro-ohms:
description: The shunt resistance.
required:
- compatible
- io-channels
- shunt-resistor-micro-ohms
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
tiadc: adc@48 {
compatible = "ti,ads1015";
reg = <0x48>;
#io-channel-cells = <1>;
#address-cells = <1>;
#size-cells = <0>;
channel@0 { /* IN0,IN1 differential */
reg = <0>;
ti,gain = <1>;
ti,datarate = <4>;
};
};
};
sysi {
compatible = "current-sense-shunt";
io-channels = <&tiadc 0>;
/* Divide the voltage by 3300000/1000000 (or 3.3) for the current. */
shunt-resistor-micro-ohms = <3300000>;
};
...
Documentation/devicetree/bindings/iio/afe/voltage-divider.txt deleted 100644 → 0
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Voltage divider
===============
When an io-channel measures the midpoint of a voltage divider, the
interesting voltage is often the voltage over the full resistance
of the divider. This binding describes the voltage divider in such
a curcuit.
Vin ----.
|
.-----.
| R |
'-----'
|
+---- Vout
|
.-----.
| Rout|
'-----'
|
GND
Required properties:
- compatible : "voltage-divider"
- io-channels : Channel node of a voltage io-channel measuring Vout.
- output-ohms : Resistance Rout over which the output voltage is measured.
See full-ohms.
- full-ohms : Resistance R + Rout for the full divider. The io-channel
is scaled by the Rout / (R + Rout) quotient.
Example:
The system voltage is circa 12V, but divided down with a 22/222
voltage divider (R = 200 Ohms, Rout = 22 Ohms) and fed to an ADC.
sysv {
compatible = "voltage-divider";
io-channels = <&maxadc 1>;
/* Scale the system voltage by 22/222 to fit the ADC range. */
output-ohms = <22>;
full-ohms = <222>; /* 200 + 22 */
};
&spi {
maxadc: adc@0 {
compatible = "maxim,max1027";
reg = <0>;
#io-channel-cells = <1>;
interrupt-parent = <&gpio5>;
interrupts = <15 IRQ_TYPE_EDGE_RISING>;
spi-max-frequency = <1000000>;
};
};
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/afe/voltage-divider.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Voltage divider
maintainers:
- Peter Rosin <peda@axentia.se>
description: |
When an io-channel measures the midpoint of a voltage divider, the
interesting voltage is often the voltage over the full resistance
of the divider. This binding describes the voltage divider in such
a curcuit.
Vin ----.
|
.-----.
| R |
'-----'
|
+---- Vout
|
.-----.
| Rout|
'-----'
|
GND
properties:
compatible:
const: voltage-divider
io-channels:
maxItems: 1
description: |
Channel node of a voltage io-channel.
output-ohms:
description:
Resistance Rout over which the output voltage is measured. See full-ohms.
full-ohms:
description:
Resistance R + Rout for the full divider. The io-channel is scaled by
the Rout / (R + Rout) quotient.
required:
- compatible
- io-channels
- output-ohms
- full-ohms
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
/*
* The system voltage is circa 12V, but divided down with a 22/222
* voltage divider (R = 200 Ohms, Rout = 22 Ohms) and fed to an ADC.
*/
spi {
#address-cells = <1>;
#size-cells = <0>;
maxadc: adc@0 {
compatible = "maxim,max1027";
reg = <0>;
#io-channel-cells = <1>;
interrupt-parent = <&gpio5>;
interrupts = <15 IRQ_TYPE_EDGE_RISING>;
spi-max-frequency = <1000000>;
};
};
sysv {
compatible = "voltage-divider";
io-channels = <&maxadc 1>;
/* Scale the system voltage by 22/222 to fit the ADC range. */
output-ohms = <22>;
full-ohms = <222>; /* 200 + 22 */
};
...
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Bosch Sensortec BME680 pressure/temperature/humidity/voc sensors
Required properties:
- compatible: must be "bosch,bme680"
Example:
bme680@76 {
compatible = "bosch,bme680";
reg = <0x76>;
};
Documentation/devicetree/bindings/iio/chemical/sensirion,sgp30.txt deleted 100644 → 0
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* Sensirion SGP30/SGPC3 multi-pixel Gas Sensor
Required properties:
- compatible: must be one of
"sensirion,sgp30"
"sensirion,sgpc3"
- reg: the I2C address of the sensor
Example:
gas@58 {
compatible = "sensirion,sgp30";
reg = <0x58>;
};
Documentation/devicetree/bindings/iio/dac/ad5592r.txt deleted 100644 → 0
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Analog Devices AD5592R/AD5593R DAC/ADC device driver
Required properties for the AD5592R:
- compatible: Must be "adi,ad5592r"
- reg: SPI chip select number for the device
- spi-max-frequency: Max SPI frequency to use (< 30000000)
- spi-cpol: The AD5592R requires inverse clock polarity (CPOL) mode
Required properties for the AD5593R:
- compatible: Must be "adi,ad5593r"
- reg: I2C address of the device
Required properties for all supported chips:
- #address-cells: Should be 1.
- #size-cells: Should be 0.
- channel nodes:
Each child node represents one channel and has the following
Required properties:
* reg: Pin on which this channel is connected to.
* adi,mode: Mode or function of this channel.
Macros specifying the valid values
can be found in <dt-bindings/iio/adi,ad5592r.h>.
The following values are currently supported:
* CH_MODE_UNUSED (the pin is unused)
* CH_MODE_ADC (the pin is ADC input)
* CH_MODE_DAC (the pin is DAC output)
* CH_MODE_DAC_AND_ADC (the pin is DAC output
but can be monitored by an ADC, since
there is no disadvantage this
this should be considered as the
preferred DAC mode)
* CH_MODE_GPIO (the pin is registered
with GPIOLIB)
Optional properties:
* adi,off-state: State of this channel when unused or the
device gets removed. Macros specifying the
valid values can be found in
<dt-bindings/iio/adi,ad5592r.h>.
* CH_OFFSTATE_PULLDOWN (the pin is pulled down)
* CH_OFFSTATE_OUT_LOW (the pin is output low)
* CH_OFFSTATE_OUT_HIGH (the pin is output high)
* CH_OFFSTATE_OUT_TRISTATE (the pin is
tristated output)
Optional properties:
- vref-supply: Phandle to the external reference voltage supply. This should
only be set if there is an external reference voltage connected to the VREF
pin. If the property is not set the internal 2.5V reference is used.
- reset-gpios : GPIO spec for the RESET pin. If specified, it will be
asserted during driver probe.
- gpio-controller: Marks the device node as a GPIO controller.
- #gpio-cells: Should be 2. The first cell is the GPIO number and the second
cell specifies GPIO flags, as defined in <dt-bindings/gpio/gpio.h>.
AD5592R Example:
#include <dt-bindings/iio/adi,ad5592r.h>
vref: regulator-vref {
compatible = "regulator-fixed";
regulator-name = "vref-ad559x";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
ad5592r@0 {
#size-cells = <0>;
#address-cells = <1>;
#gpio-cells = <2>;
compatible = "adi,ad5592r";
reg = <0>;
spi-max-frequency = <1000000>;
spi-cpol;
vref-supply = <&vref>; /* optional */
reset-gpios = <&gpio0 86 0>; /* optional */
gpio-controller;
channel@0 {
reg = <0>;
adi,mode = <CH_MODE_DAC>;
};
channel@1 {
reg = <1>;
adi,mode = <CH_MODE_ADC>;
};
channel@2 {
reg = <2>;
adi,mode = <CH_MODE_DAC_AND_ADC>;
};
channel@3 {
reg = <3>;
adi,mode = <CH_MODE_DAC_AND_ADC>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
channel@4 {
reg = <4>;
adi,mode = <CH_MODE_UNUSED>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
channel@5 {
reg = <5>;
adi,mode = <CH_MODE_GPIO>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
channel@6 {
reg = <6>;
adi,mode = <CH_MODE_GPIO>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
channel@7 {
reg = <7>;
adi,mode = <CH_MODE_GPIO>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
};
AD5593R Example:
#include <dt-bindings/iio/adi,ad5592r.h>
ad5593r@10 {
#size-cells = <0>;
#address-cells = <1>;
#gpio-cells = <2>;
compatible = "adi,ad5593r";
reg = <0x10>;
gpio-controller;
channel@0 {
reg = <0>;
adi,mode = <CH_MODE_DAC>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
channel@1 {
reg = <1>;
adi,mode = <CH_MODE_ADC>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
channel@2 {
reg = <2>;
adi,mode = <CH_MODE_DAC_AND_ADC>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
channel@6 {
reg = <6>;
adi,mode = <CH_MODE_GPIO>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
};
Documentation/devicetree/bindings/iio/dac/ad5758.txt deleted 100644 → 0
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Analog Devices AD5758 DAC device driver
Required properties for the AD5758:
- compatible: Must be "adi,ad5758"
- reg: SPI chip select number for the device
- spi-max-frequency: Max SPI frequency to use (< 50000000)
- spi-cpha: is the only mode that is supported
Required properties:
- adi,dc-dc-mode: Mode of operation of the dc-to-dc converter
Dynamic Power Control (DPC)
In this mode, the AD5758 circuitry senses the output
voltage and dynamically regulates the supply voltage,
VDPC+, to meet compliance requirements plus an optimized
headroom voltage for the output buffer.
Programmable Power Control (PPC)
In this mode, the VDPC+ voltage is user-programmable to
a fixed level that needs to accommodate the maximum output
load required.
The output of the DAC core is either converted to a
current or voltage output at the VIOUT pin. Only one mode
can be enabled at any one time.
The following values are currently supported:
* 1: DPC current mode
* 2: DPC voltage mode
* 3: PPC current mode
Depending on the selected output mode (voltage or current) one of the
two properties must
be present:
- adi,range-microvolt: Voltage output range
The array of voltage output ranges must contain two fields:
* <0 5000000>: 0 V to 5 V voltage range
* <0 10000000>: 0 V to 10 V voltage range
* <(-5000000) 5000000>: ±5 V voltage range
* <(-10000000) 10000000>: ±10 V voltage range
- adi,range-microamp: Current output range
The array of current output ranges must contain two fields:
* <0 20000>: 0 mA to 20 mA current range
* <0 24000>: 0 mA to 24 mA current range
* <4 24000>: 4 mA to 20 mA current range
* <(-20000) 20000>: ±20 mA current range
* <(-24000) 24000>: ±24 mA current range
* <(-1000) 22000>: −1 mA to +22 mA current range
Optional properties:
- reset-gpios : GPIO spec for the RESET pin. If specified, it will be
asserted during driver probe.
- adi,dc-dc-ilim-microamp: The dc-to-dc converter current limit
The following values are currently supported [uA]:
* 150000
* 200000
* 250000
* 300000
* 350000
* 400000
- adi,slew-time-us: The time it takes for the output to reach the
full scale [uS]
The supported range is between 133us up to 1023984375us
AD5758 Example:
dac@0 {
compatible = "adi,ad5758";
reg = <0>;
spi-max-frequency = <1000000>;
spi-cpha;
reset-gpios = <&gpio 22 0>;
adi,dc-dc-mode = <2>;
adi,range-microvolt = <0 10000000>;
adi,dc-dc-ilim-microamp = <200000>;
adi,slew-time-us = <125000>;
};
Documentation/devicetree/bindings/iio/dac/ad7303.txt deleted 100644 → 0
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Analog Devices AD7303 DAC device driver
Required properties:
- compatible: Must be "adi,ad7303"
- reg: SPI chip select number for the device
- spi-max-frequency: Max SPI frequency to use (< 30000000)
- Vdd-supply: Phandle to the Vdd power supply
Optional properties:
- REF-supply: Phandle to the external reference voltage supply. This should
only be set if there is an external reference voltage connected to the REF
pin. If the property is not set Vdd/2 is used as the reference voltage.
Example:
ad7303@4 {
compatible = "adi,ad7303";
reg = <4>;
spi-max-frequency = <10000000>;
Vdd-supply = <&vdd_supply>;
adi,use-external-reference;
REF-supply = <&vref_supply>;
};
Documentation/devicetree/bindings/iio/dac/adi,ad5592r.yaml 0 → 100644
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/adi,ad5592r.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Analog Devices AD5592R/AD5593R DAC/ADC
maintainers:
- Michael Hennerich <michael.hennerich@analog.com>
properties:
compatible:
enum:
- adi,ad5592r
- adi,ad5593r
reg:
maxItems: 1
spi-max-frequency:
maximum: 30000000
spi-cpol: true
"#address-cells":
const: 1
"#size-cells":
const: 0
"#io-channel-cells":
const: 1
vref-supply:
description: If not set internal 2.5V reference used.
reset-gpios:
maxItems: 1
gpio-controller:
description: Marks the device node as a GPIO controller.
"#gpio-cells":
const: 2
description:
The first cell is the GPIO number and the second cell specifies
GPIO flags, as defined in <dt-bindings/gpio/gpio.h>.
required:
- compatible
- reg
- "#address-cells"
- "#size-cells"
allOf:
- if:
properties:
compatible:
contains:
const: adi,ad5592r
then:
required:
- spi-cpol
else:
properties:
spi-cpol: false
additionalProperties: false
patternProperties:
"^(channel@)[0-7]$":
type: object
description: Child node to describe a channel
properties:
reg:
minimum: 0
maximum: 7
adi,mode:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1, 2, 3, 8]
description: |
Mode or function of this channel.
Macros specifying the valid values can be found in
<dt-bindings/iio/adi,ad5592r.h>.
The following values are currently supported:
* CH_MODE_UNUSED (the pin is unused)
* CH_MODE_ADC (the pin is ADC input)
* CH_MODE_DAC (the pin is DAC output)
* CH_MODE_DAC_AND_ADC (the pin is DAC output but can be monitored
by an ADC, since there is no disadvantage this should be
considered as the preferred DAC mode)
* CH_MODE_GPIO (the pin is registered with GPIOLIB)
adi,off-state:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1, 2, 3]
description: |
State of this channel when unused or the device gets removed.
Macros specifying the valid values can be found in
<dt-bindings/iio/adi,ad5592r.h>.
* CH_OFFSTATE_PULLDOWN (the pin is pulled down)
* CH_OFFSTATE_OUT_LOW (the pin is output low)
* CH_OFFSTATE_OUT_HIGH (the pin is output high)
* CH_OFFSTATE_OUT_TRISTATE (the pin is tristated output)
required:
- reg
- adi,mode
additionalProperties: false
examples:
- |
#include <dt-bindings/iio/adi,ad5592r.h>
spi {
#address-cells = <1>;
#size-cells = <0>;
addac@0 {
compatible = "adi,ad5592r";
#size-cells = <0>;
#address-cells = <1>;
#gpio-cells = <2>;
reg = <0>;
spi-max-frequency = <1000000>;
spi-cpol;
vref-supply = <&vref>;
reset-gpios = <&gpio0 86 0>;
gpio-controller;
channel@0 {
reg = <0>;
adi,mode = <CH_MODE_DAC>;
};
channel@1 {
reg = <1>;
adi,mode = <CH_MODE_ADC>;
};
channel@2 {
reg = <2>;
adi,mode = <CH_MODE_DAC_AND_ADC>;
};
channel@3 {
reg = <3>;
adi,mode = <CH_MODE_DAC_AND_ADC>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
channel@4 {
reg = <4>;
adi,mode = <CH_MODE_UNUSED>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
channel@5 {
reg = <5>;
adi,mode = <CH_MODE_GPIO>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
channel@6 {
reg = <6>;
adi,mode = <CH_MODE_GPIO>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
channel@7 {
reg = <7>;
adi,mode = <CH_MODE_GPIO>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
};
ad5593r@10 {
compatible = "adi,ad5593r";
#size-cells = <0>;
#address-cells = <1>;
#gpio-cells = <2>;
reg = <0x10>;
gpio-controller;
channel@0 {
reg = <0>;
adi,mode = <CH_MODE_DAC>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
channel@1 {
reg = <1>;
adi,mode = <CH_MODE_ADC>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
channel@2 {
reg = <2>;
adi,mode = <CH_MODE_DAC_AND_ADC>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
channel@6 {
reg = <6>;
adi,mode = <CH_MODE_GPIO>;
adi,off-state = <CH_OFFSTATE_PULLDOWN>;
};
};
};
...
Documentation/devicetree/bindings/iio/dac/adi,ad5686.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/adi,ad5686.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Analog Devices AD5686 and similar multi-channel DACs
maintainers:
- Michael Auchter <michael.auchter@ni.com>
description: |
Binding for Analog Devices AD5686 and similar multi-channel DACs
properties:
compatible:
enum:
- adi,ad5311r
- adi,ad5338r
- adi,ad5671r
- adi,ad5675r
- adi,ad5691r
- adi,ad5692r
- adi,ad5693
- adi,ad5693r
- adi,ad5694
- adi,ad5694r
- adi,ad5695r
- adi,ad5696
- adi,ad5696r
reg:
maxItems: 1
vcc-supply:
description: |
The regulator supply for DAC reference voltage.
required:
- compatible
- reg
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
ad5686: dac@0 {
compatible = "adi,ad5686";
reg = <0>;
vcc-supply = <&dac_vref>;
};
};
...
Documentation/devicetree/bindings/iio/dac/adi,ad5758.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/adi,ad5758.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Analog Devices AD5758 DAC
maintainers:
- Michael Hennerich <Michael.Hennerich@analog.com>
properties:
compatible:
const: adi,ad5758
reg:
maxItems: 1
spi-max-frequency: true
spi-cpha: true
adi,dc-dc-mode:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [1, 2, 3]
description: |
Mode of operation of the dc-to-dc converter
Dynamic Power Control (DPC)
In this mode, the AD5758 circuitry senses the output voltage and
dynamically regulates the supply voltage, VDPC+, to meet compliance
requirements plus an optimized headroom voltage for the output buffer.
Programmable Power Control (PPC)
In this mode, the VDPC+ voltage is user-programmable to a fixed level
that needs to accommodate the maximum output load required.
The output of the DAC core is either converted to a current or
voltage output at the VIOUT pin. Only one mode can be enabled at
any one time.
The following values are currently supported:
* 1: DPC current mode
* 2: DPC voltage mode
* 3: PPC current mode
Depending on the selected output mode (voltage or current) one of the
two properties must be present:
adi,range-microvolt:
$ref: /schemas/types.yaml#/definitions/int32-array
description: |
Voltage output range specified as <minimum, maximum>
enum:
- [[0, 5000000]]
- [[0, 10000000]]
- [[-5000000, 5000000]]
- [[-10000000, 10000000]]
adi,range-microamp:
$ref: /schemas/types.yaml#/definitions/int32-array
description: |
Current output range specified as <minimum, maximum>
enum:
- [[0, 20000]]
- [[0, 24000]]
- [[4, 24000]]
- [[-20000, 20000]]
- [[-24000, 24000]]
- [[-1000, 22000]]
reset-gpios: true
adi,dc-dc-ilim-microamp:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [150000, 200000, 250000, 300000, 350000, 400000]
description: |
The dc-to-dc converter current limit.
adi,slew-time-us:
description: |
The time it takes for the output to reach the full scale [uS]
minimum: 133
maximum: 1023984375
required:
- compatible
- reg
- spi-cpha
- adi,dc-dc-mode
allOf:
- if:
properties:
adi,dc-dc-mode:
contains:
enum: [1, 3]
then:
properties:
adi,range-microvolt: false
required:
- adi,range-microamp
else:
properties:
adi,range-microamp: false
required:
- adi,range-microvolt
additionalProperties: false
examples:
- |
spi {
#address-cells = <1>;
#size-cells = <0>;
dac@0 {
compatible = "adi,ad5758";
reg = <0>;
spi-max-frequency = <1000000>;
spi-cpha;
reset-gpios = <&gpio 22 0>;
adi,dc-dc-mode = <2>;
adi,range-microvolt = <0 10000000>;
adi,dc-dc-ilim-microamp = <200000>;
adi,slew-time-us = <125000>;
};
};
...
Documentation/devicetree/bindings/iio/dac/adi,ad7303.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/adi,ad7303.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Analog Devices AD7303 DAC
maintainers:
- Lars-Peter Clausen <lars@metafoo.de>
properties:
compatible:
const: adi,ad7303
reg:
maxItems: 1
Vdd-supply:
description:
Used to calculate output channel scalling if REF-supply not specified.
REF-supply:
description:
If not provided, Vdd/2 is used as the reference voltage.
spi-max-frequency:
maximum: 30000000
required:
- compatible
- reg
- Vdd-supply
additionalProperties: false
examples:
- |
spi {
#address-cells = <1>;
#size-cells = <0>;
dac@4 {
compatible = "adi,ad7303";
reg = <4>;
spi-max-frequency = <10000000>;
Vdd-supply = <&vdd_supply>;
REF-supply = <&vref_supply>;
};
};
...
Documentation/devicetree/bindings/iio/dac/dpot-dac.txt deleted 100644 → 0
View file @ 2911ed9f
Bindings for DAC emulation using a digital potentiometer
It is assumed that the dpot is used as a voltage divider between the
current dpot wiper setting and the maximum resistance of the dpot. The
divided voltage is provided by a vref regulator.
.------.
.-----------. | |
| vref |--' .---.
| regulator |--. | |
'-----------' | | d |
| | p |
| | o | wiper
| | t |<---------+
| | |
| '---' dac output voltage
| |
'------+------------+
Required properties:
- compatible: Should be "dpot-dac"
- vref-supply: The regulator supplying the voltage divider.
- io-channels: Channel node of the dpot to be used for the voltage division.
- io-channel-names: Should be "dpot".
Example:
&i2c {
dpot: mcp4651-503@28 {
compatible = "microchip,mcp4651-503";
reg = <0x28>;
#io-channel-cells = <1>;
};
};
dac {
compatible = "dpot-dac";
vref-supply = <&reg_3v3>;
io-channels = <&dpot 0>;
io-channel-names = "dpot";
};
Documentation/devicetree/bindings/iio/dac/dpot-dac.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/dpot-dac.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: DAC emulation using a digital potentiometer
maintainers:
- Peter Rosin <peda@axentia.se>
description: |
It is assumed that the dpot is used as a voltage divider between the
current dpot wiper setting and the maximum resistance of the dpot. The
divided voltage is provided by a vref regulator.
.------.
.-----------. | |
| vref |--' .---.
| regulator |--. | |
'-----------' | | d |
| | p |
| | o | wiper
| | t |<---------+
| | |
| '---' dac output voltage
| |
'------+------------+
properties:
compatible:
const: dpot-dac
vref-supply:
description: Regulator supplying the voltage divider.
io-channels:
maxItems: 1
description: |
Channel node of the dpot to be used for the voltage division.
io-channel-names:
const: dpot
"#io-channel-cells":
const: 1
required:
- compatible
- vref-supply
- io-channels
- io-channel-names
additionalProperties: false
examples:
- |
dac {
compatible = "dpot-dac";
vref-supply = <&reg_3v3>;
io-channels = <&dpot 0>;
io-channel-names = "dpot";
};
...
Documentation/devicetree/bindings/iio/dac/ds4424.txt deleted 100644 → 0
View file @ 2911ed9f
Maxim Integrated DS4422/DS4424 7-bit Sink/Source Current DAC Device Driver
Datasheet publicly available at:
https://datasheets.maximintegrated.com/en/ds/DS4422-DS4424.pdf
Required properties:
- compatible: Should be one of
maxim,ds4422
maxim,ds4424
- reg: Should contain the DAC I2C address
Optional properties:
- vcc-supply: Power supply is optional. If not defined, driver will ignore it.
Example:
ds4224@10 {
compatible = "maxim,ds4424";
reg = <0x10>; /* When A0, A1 pins are ground */
vcc-supply = <&vcc_3v3>;
};
Documentation/devicetree/bindings/iio/dac/fsl,vf610-dac.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/fsl,vf610-dac.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Freescale vf610 Digital to Analog Converter
maintainers:
- Sanchayan Maity <maitysanchayan@gmail.com>
properties:
compatible:
const: fsl,vf610-dac
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
clock-names:
const: dac
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clock/vf610-clock.h>
bus@40000000 {
compatible = "fsl,aips-bus", "simple-bus";
reg = <0x40000000 0x00070000>;
ranges;
#address-cells = <1>;
#size-cells = <1>;
dac@400cc000 {
compatible = "fsl,vf610-dac";
reg = <0x400cc000 0x1000>;
interrupts = <55 IRQ_TYPE_LEVEL_HIGH>;
clock-names = "dac";
clocks = <&clks VF610_CLK_DAC0>;
};
};
...
Documentation/devicetree/bindings/iio/dac/lpc1850-dac.txt deleted 100644 → 0
View file @ 2911ed9f
NXP LPC1850 DAC bindings
Required properties:
- compatible: Should be "nxp,lpc1850-dac"
- reg: Offset and length of the register set for the ADC device
- interrupts: The interrupt number for the ADC device
- clocks: The root clock of the ADC controller
- vref-supply: The regulator supply ADC reference voltage
- resets: phandle to reset controller and line specifier
Example:
dac: dac@400e1000 {
compatible = "nxp,lpc1850-dac";
reg = <0x400e1000 0x1000>;
interrupts = <0>;
clocks = <&ccu1 CLK_APB3_DAC>;
vref-supply = <&reg_vdda>;
resets = <&rgu 42>;
};
Documentation/devicetree/bindings/iio/dac/max5821.txt deleted 100644 → 0
View file @ 2911ed9f
Maxim max5821 DAC device driver
Required properties:
- compatible: Must be "maxim,max5821"
- reg: Should contain the DAC I2C address
- vref-supply: Phandle to the vref power supply
Example:
max5821@38 {
compatible = "maxim,max5821";
reg = <0x38>;
vref-supply = <&reg_max5821>;
};
Documentation/devicetree/bindings/iio/dac/maxim,ds4424.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/maxim,ds4424.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Maxim Integrated DS4422/DS4424 7-bit Sink/Source Current DAC
maintainers:
- Ismail Kose <ihkose@gmail.com>
description: |
Datasheet publicly available at:
https://datasheets.maximintegrated.com/en/ds/DS4422-DS4424.pdf
properties:
compatible:
enum:
- maxim,ds4422
- maxim,ds4424
reg:
maxItems: 1
vcc-supply: true
required:
- compatible
- reg
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
dac@10 {
compatible = "maxim,ds4424";
reg = <0x10>; /* When A0, A1 pins are ground */
vcc-supply = <&vcc_3v3>;
};
};
...
Documentation/devicetree/bindings/iio/dac/maxim,max5821.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/maxim,max5821.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Maxim max5821 dual 10-bit DAC
maintainers:
- Philippe Reynes <tremyfr@yahoo.fr>
description: |
Datasheet publicly available at:
https://datasheets.maximintegrated.com/en/ds/MAX5821.pdf
properties:
compatible:
const: maxim,max5821
reg:
maxItems: 1
vref-supply: true
required:
- compatible
- reg
- vref-supply
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
dac@38 {
compatible = "maxim,max5821";
reg = <0x38>;
vref-supply = <&reg_max5821>;
};
};
...
Documentation/devicetree/bindings/iio/dac/mcp4725.txt deleted 100644 → 0
View file @ 2911ed9f
Microchip mcp4725 and mcp4726 DAC device driver
Required properties:
- compatible: Must be "microchip,mcp4725" or "microchip,mcp4726"
- reg: Should contain the DAC I2C address
- vdd-supply: Phandle to the Vdd power supply. This supply is used as a
voltage reference on mcp4725. It is used as a voltage reference on
mcp4726 if there is no vref-supply specified.
Optional properties (valid only for mcp4726):
- vref-supply: Optional phandle to the Vref power supply. Vref pin is
used as a voltage reference when this supply is specified.
- microchip,vref-buffered: Boolean to enable buffering of the external
Vref pin. This boolean is not valid without the vref-supply. Quoting
the datasheet: This is offered in cases where the reference voltage
does not have the current capability not to drop its voltage when
connected to the internal resistor ladder circuit.
Examples:
/* simple mcp4725 */
mcp4725@60 {
compatible = "microchip,mcp4725";
reg = <0x60>;
vdd-supply = <&vdac_vdd>;
};
/* mcp4726 with the buffered external reference voltage */
mcp4726@60 {
compatible = "microchip,mcp4726";
reg = <0x60>;
vdd-supply = <&vdac_vdd>;
vref-supply = <&vdac_vref>;
microchip,vref-buffered;
};
Documentation/devicetree/bindings/iio/dac/microchip,mcp4725.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/microchip,mcp4725.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Microchip mcp4725 and mcp4726 DAC
maintainers:
- Tomas Novotny <tomas@novotny.cz>
properties:
compatible:
enum:
- microchip,mcp4725
- microchip,mcp4726
reg:
maxItems: 1
vdd-supply:
description: |
Provides both power and acts as the reference supply on the mcp4725.
For the mcp4726 it will be used as the reference voltage if vref-supply
is not provided.
vref-supply:
description:
Vref pin is used as a voltage reference when this supply is specified.
microchip,vref-buffered:
type: boolean
description: |
Enable buffering of the external Vref pin. This boolean is not valid
without the vref-supply. Quoting the datasheet: This is offered in
cases where the reference voltage does not have the current
capability not to drop its voltage when connected to the internal
resistor ladder circuit.
allOf:
- if:
not:
properties:
compatible:
contains:
const: microchip,mcp4726
then:
properties:
vref-supply: false
microchip,vref-buffered: false
required:
- compatible
- reg
- vdd-supply
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
mcp4725@60 {
compatible = "microchip,mcp4725";
reg = <0x60>;
vdd-supply = <&vdac_vdd>;
};
};
...
Documentation/devicetree/bindings/iio/dac/nxp,lpc1850-dac.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/nxp,lpc1850-dac.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: NXP LPC1850 DAC bindings
maintainers:
- Jonathan Cameron <jic23@kernel.org>
description:
Supports the DAC found on the LPC1850 SoC.
properties:
compatible:
const: nxp,lpc1850-dac
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
vref-supply: true
resets:
maxItems: 1
required:
- compatible
- reg
- interrupts
- clocks
- vref-supply
- resets
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/lpc18xx-ccu.h>
soc {
#address-cells = <1>;
#size-cells = <1>;
dac: dac@400e1000 {
compatible = "nxp,lpc1850-dac";
reg = <0x400e1000 0x1000>;
interrupts = <0>;
clocks = <&ccu1 CLK_APB3_DAC>;
vref-supply = <&reg_vdda>;
resets = <&rgu 42>;
};
};
...
Documentation/devicetree/bindings/iio/dac/ti,dac5571.txt deleted 100644 → 0
View file @ 2911ed9f
* Texas Instruments DAC5571 Family
Required properties:
- compatible: Should contain
"ti,dac5571"
"ti,dac6571"
"ti,dac7571"
"ti,dac5574"
"ti,dac6574"
"ti,dac7574"
"ti,dac5573"
"ti,dac6573"
"ti,dac7573"
- reg: Should contain the DAC I2C address
Optional properties:
- vref-supply: The regulator supply for DAC reference voltage
Example:
dac@0 {
compatible = "ti,dac5571";
reg = <0x4C>;
vref-supply = <&vdd_supply>;
};
Documentation/devicetree/bindings/iio/dac/ti,dac5571.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/ti,dac5571.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Texas Instruments DAC5571 Family
maintainers:
- Sean Nyekjaer <sean@geanix.com>
properties:
compatible:
enum:
- ti,dac5571
- ti,dac6571
- ti,dac7571
- ti,dac5574
- ti,dac6574
- ti,dac7574
- ti,dac5573
- ti,dac6573
- ti,dac7573
reg:
maxItems: 1
vref-supply:
description:
Reference voltage must be supplied to establish the scaling of the
output voltage.
required:
- compatible
- reg
- vref-supply
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
dac@4c {
compatible = "ti,dac5571";
reg = <0x4C>;
vref-supply = <&vdd_supply>;
};
};
...
Documentation/devicetree/bindings/iio/dac/ti,dac7311.txt deleted 100644 → 0
View file @ 2911ed9f
TI DAC7311 device tree bindings
Required properties:
- compatible: must be set to:
* "ti,dac7311"
* "ti,dac6311"
* "ti,dac5311"
- reg: spi chip select number for the device
- vref-supply: The regulator supply for ADC reference voltage
Optional properties:
- spi-max-frequency: Max SPI frequency to use
Example:
spi_master {
dac@0 {
compatible = "ti,dac7311";
reg = <0>; /* CS0 */
spi-max-frequency = <1000000>;
vref-supply = <&vdd_supply>;
};
};
Documentation/devicetree/bindings/iio/dac/ti,dac7311.yaml 0 → 100644
View file @ 3db1a3fa
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/ti,dac7311.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Texas Instruments DAC5311 and similar SPI DACs
maintainers:
- Charles-Antoine Couret <charles-antoine.couret@essensium.com>
properties:
compatible:
enum:
- ti,dac7311
- ti,dac6311
- ti,dac5311
reg:
maxItems: 1
vref-supply:
description:
Reference voltage must be supplied to establish the scaling of the
output voltage.
spi-max-frequency: true
required:
- compatible
- reg
- vref-supply
additionalProperties: false
examples:
- |
spi {
#address-cells = <1>;
#size-cells = <0>;
dac@0 {
compatible = "ti,dac7311";
reg = <0>; /* CS0 */
spi-max-frequency = <1000000>;
vref-supply = <&vdd_supply>;
};
};
...
Documentation/devicetree/bindings/iio/dac/ti,dac7512.txt deleted 100644 → 0
View file @ 2911ed9f
TI DAC7512 DEVICETREE BINDINGS
Required properties:
- "compatible" Must be set to "ti,dac7512"
Property rules described in Documentation/devicetree/bindings/spi/spi-bus.txt
apply. In particular, "reg" and "spi-max-frequency" properties must be given.
Example:
spi_master {
dac7512: dac7512@0 {
compatible = "ti,dac7512";
reg = <0>; /* CS0 */
spi-max-frequency = <1000000>;
};
};
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/ti,dac7512.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Texas Instruments DAC7512 DAC
maintainers:
- Jonathan Cameron <jic23@kernel.org>
properties:
compatible:
const: ti,dac7512
reg:
maxItems: 1
spi-max-frequency:
description:
Maximum frequency is reduced for supply voltage of less than 3.6V
maximum: 30000000
required:
- compatible
- reg
additionalProperties: false
examples:
- |
spi {
#address-cells = <1>;
#size-cells = <0>;
dac@0 {
compatible = "ti,dac7512";
reg = <0>; /* CS0 */
spi-max-frequency = <1000000>;
};
};
...
Documentation/devicetree/bindings/iio/dac/ti,dac7612.txt deleted 100644 → 0
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* Texas Instruments Dual, 12-Bit Serial Input Digital-to-Analog Converter
The DAC7612 is a dual, 12-bit digital-to-analog converter (DAC) with guaranteed
12-bit monotonicity performance over the industrial temperature range.
Is is programmable through an SPI interface.
The internal DACs are loaded when the LOADDACS pin is pulled down.
https://www.ti.com/lit/ds/sbas106/sbas106.pdf
Required Properties:
- compatible: Should be one of:
"ti,dac7612"
"ti,dac7612u"
"ti,dac7612ub"
- reg: Definition as per Documentation/devicetree/bindings/spi/spi-bus.txt
Optional Properties:
- ti,loaddacs-gpios: GPIO descriptor for the LOADDACS pin.
- spi-*: Definition as per Documentation/devicetree/bindings/spi/spi-bus.txt
Example:
dac@1 {
compatible = "ti,dac7612";
reg = <0x1>;
ti,loaddacs-gpios = <&msmgpio 25 GPIO_ACTIVE_LOW>;
};
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/ti,dac7612.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Texas Instruments DAC7612 family of DACs
description:
The DAC7612 is a dual, 12-bit digital-to-analog converter (DAC) with
guaranteed 12-bit monotonicity performance over the industrial temperature
range. Is is programmable through an SPI interface.
maintainers:
- Ricardo Ribalda Delgado <ricardo@ribalda.com>
properties:
compatible:
enum:
- ti,dac7612
- ti,dac7612u
- ti,dac7612ub
reg:
maxItems: 1
ti,loaddacs-gpios:
description:
DACs are loaded when the pin connected to this GPIO is pulled low.
maxItems: 1
spi-max-frequency: true
required:
- compatible
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
spi {
#address-cells = <1>;
#size-cells = <0>;
dac@1 {
compatible = "ti,dac7612";
reg = <0x1>;
ti,loaddacs-gpios = <&msmgpio 25 GPIO_ACTIVE_LOW>;
};
};
...
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Freescale vf610 Digital to Analog Converter bindings
The devicetree bindings are for the new DAC driver written for
vf610 SoCs from Freescale.
Required properties:
- compatible: Should contain "fsl,vf610-dac"
- reg: Offset and length of the register set for the device
- interrupts: Should contain the interrupt for the device
- clocks: The clock is needed by the DAC controller
- clock-names: Must contain "dac" matching entry in the clocks property.
Example:
dac0: dac@400cc000 {
compatible = "fsl,vf610-dac";
reg = <0x400cc000 0x1000>;
interrupts = <55 IRQ_TYPE_LEVEL_HIGH>;
clock-names = "dac";
clocks = <&clks VF610_CLK_DAC0>;
};
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Analog Devices ADF4350/ADF4351 device driver
Required properties:
- compatible: Should be one of
* "adi,adf4350": When using the ADF4350 device
* "adi,adf4351": When using the ADF4351 device
- reg: SPI chip select numbert for the device
- spi-max-frequency: Max SPI frequency to use (< 20000000)
- clocks: From common clock binding. Clock is phandle to clock for
ADF435x Reference Clock (CLKIN).
Optional properties:
- gpios: GPIO Lock detect - If set with a valid phandle and GPIO number,
pll lock state is tested upon read.
- adi,channel-spacing: Channel spacing in Hz (influences MODULUS).
- adi,power-up-frequency: If set in Hz the PLL tunes to
the desired frequency on probe.
- adi,reference-div-factor: If set the driver skips dynamic calculation
and uses this default value instead.
- adi,reference-doubler-enable: Enables reference doubler.
- adi,reference-div2-enable: Enables reference divider.
- adi,phase-detector-polarity-positive-enable: Enables positive phase
detector polarity. Default = negative.
- adi,lock-detect-precision-6ns-enable: Enables 6ns lock detect precision.
Default = 10ns.
- adi,lock-detect-function-integer-n-enable: Enables lock detect
for integer-N mode. Default = factional-N mode.
- adi,charge-pump-current: Charge pump current in mA.
Default = 2500mA.
- adi,muxout-select: On chip multiplexer output selection.
Valid values for the multiplexer output are:
0: Three-State Output (default)
1: DVDD
2: DGND
3: R-Counter output
4: N-Divider output
5: Analog lock detect
6: Digital lock detect
- adi,low-spur-mode-enable: Enables low spur mode.
Default = Low noise mode.
- adi,cycle-slip-reduction-enable: Enables cycle slip reduction.
- adi,charge-cancellation-enable: Enabled charge pump
charge cancellation for integer-N modes.
- adi,anti-backlash-3ns-enable: Enables 3ns antibacklash pulse width
for integer-N modes.
- adi,band-select-clock-mode-high-enable: Enables faster band
selection logic.
- adi,12bit-clk-divider: Clock divider value used when
adi,12bit-clkdiv-mode != 0
- adi,clk-divider-mode:
Valid values for the clkdiv mode are:
0: Clock divider off (default)
1: Fast lock enable
2: Phase resync enable
- adi,aux-output-enable: Enables auxiliary RF output.
- adi,aux-output-fundamental-enable: Selects fundamental VCO output on
the auxiliary RF output. Default = Output of RF dividers.
- adi,mute-till-lock-enable: Enables Mute-Till-Lock-Detect function.
- adi,output-power: Output power selection.
Valid values for the power mode are:
0: -4dBm (default)
1: -1dBm
2: +2dBm
3: +5dBm
- adi,aux-output-power: Auxiliary output power selection.
Valid values for the power mode are:
0: -4dBm (default)
1: -1dBm
2: +2dBm
3: +5dBm
Example:
lo_pll0_rx_adf4351: adf4351-rx-lpc@4 {
compatible = "adi,adf4351";
reg = <4>;
spi-max-frequency = <10000000>;
clocks = <&clk0_ad9523 9>;
clock-names = "clkin";
adi,channel-spacing = <10000>;
adi,power-up-frequency = <2400000000>;
adi,phase-detector-polarity-positive-enable;
adi,charge-pump-current = <2500>;
adi,output-power = <3>;
adi,mute-till-lock-enable;
};
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/frequency/adi,adf4350.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Analog Devices ADF4350/ADF4351 wideband synthesizer
maintainers:
- Michael Hennerich <michael.hennerich@analog.com>
properties:
compatible:
enum:
- adi,adf4350
- adi,adf4351
reg:
maxItems: 1
spi-max-frequency:
maximum: 20000000
clocks:
maxItems: 1
description: Clock to provide CLKIN reference clock signal.
clock-names:
const: clkin
gpios:
maxItems: 1
description: Lock detect GPIO.
adi,channel-spacing:
$ref: /schemas/types.yaml#/definitions/uint32
description:
Channel spacing in Hz (influences MODULUS).
adi,power-up-frequency:
$ref: /schemas/types.yaml#/definitions/uint32
description:
If set the PLL tunes to this frequency (in Hz) on driver probe.
adi,reference-div-factor:
$ref: /schemas/types.yaml#/definitions/uint32
description:
If set the driver skips dynamic calculation and uses this default
value instead.
adi,reference-doubler-enable:
$ref: /schemas/types.yaml#/definitions/flag
description: Enables reference doubler.
adi,reference-div2-enable:
$ref: /schemas/types.yaml#/definitions/flag
description: Enables reference divider.
adi,phase-detector-polarity-positive-enable:
$ref: /schemas/types.yaml#/definitions/flag
description: Enables positive phase detector polarity. Default negative.
adi,lock-detect-precision-6ns-enable:
$ref: /schemas/types.yaml#/definitions/flag
description: Enables 6ns lock detect precision. Default = 10ns.
adi,lock-detect-function-integer-n-enable:
$ref: /schemas/types.yaml#/definitions/flag
description:
Enables lock detect for integer-N mode. Default = factional-N mode.
adi,charge-pump-current:
$ref: /schemas/types.yaml#/definitions/uint32
description: Charge pump current in mA. Default = 2500mA.
adi,muxout-select:
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 6
description: |
On chip multiplexer output selection.
Valid values for the multiplexer output are:
0: Three-State Output (default)
1: DVDD
2: DGND
3: R-Counter output
4: N-Divider output
5: Analog lock detect
6: Digital lock detect
adi,low-spur-mode-enable:
$ref: /schemas/types.yaml#/definitions/flag
description: Enables low spur mode. Default = Low noise mode.
adi,cycle-slip-reduction-enable:
$ref: /schemas/types.yaml#/definitions/flag
description: Enables cycle slip reduction.
adi,charge-cancellation-enable:
$ref: /schemas/types.yaml#/definitions/flag
description:
Enabled charge pump charge cancellation for integer-N modes.
adi,anti-backlash-3ns-enable:
$ref: /schemas/types.yaml#/definitions/flag
description:
Enables 3ns antibacklash pulse width for integer-N modes.
adi,band-select-clock-mode-high-enable:
$ref: /schemas/types.yaml#/definitions/flag
description: Enables faster band selection logic.
adi,12bit-clk-divider:
$ref: /schemas/types.yaml#/definitions/uint32
description:
Clock divider value used when adi,12bit-clkdiv-mode != 0
adi,clk-divider-mode:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1, 2]
description: |
Valid values for the clkdiv mode are:
0: Clock divider off (default)
1: Fast lock enable
2: Phase resync enable
adi,aux-output-enable:
$ref: /schemas/types.yaml#/definitions/flag
description: Enables auxiliary RF output.
adi,aux-output-fundamental-enable:
$ref: /schemas/types.yaml#/definitions/flag
description: |
Selects fundamental VCO output on the auxiliary RF output.
Default = Output of RF dividers.
adi,mute-till-lock-enable:
$ref: /schemas/types.yaml#/definitions/flag
description: Enables Mute-Till-Lock-Detect function.
adi,output-power:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1, 2, 3]
description: |
Output power selection.
Valid values for the power mode are:
0: -4dBm (default)
1: -1dBm
2: +2dBm
3: +5dBm
adi,aux-output-power:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1, 2, 3]
description: |
Auxiliary output power selection.
Valid values for the power mode are:
0: -4dBm (default)
1: -1dBm
2: +2dBm
3: +5dBm
additionalProperties: false
required:
- compatible
- reg
- clocks
examples:
- |
spi {
#address-cells = <1>;
#size-cells = <0>;
pll@4 {
compatible = "adi,adf4351";
reg = <4>;
spi-max-frequency = <10000000>;
clocks = <&clk0_ad9523 9>;
clock-names = "clkin";
adi,channel-spacing = <10000>;
adi,power-up-frequency = <2400000000>;
adi,phase-detector-polarity-positive-enable;
adi,charge-pump-current = <2500>;
adi,output-power = <3>;
adi,mute-till-lock-enable;
};
};
...
Documentation/devicetree/bindings/iio/gyroscope/bmg160.txt deleted 100644 → 0
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* Bosch BMG160 triaxial rotation sensor (gyroscope)
Required properties:
- compatible : should be "bosch,bmg160", "bosch,bmi055_gyro" or "bosch,bmi088_gyro"
- reg : the I2C address of the sensor (0x69)
Optional properties:
- interrupts : interrupt mapping for GPIO IRQ, it should by configured with
flags IRQ_TYPE_EDGE_RISING
Example:
bmg160@69 {
compatible = "bosch,bmg160";
reg = <0x69>;
interrupt-parent = <&gpio6>;
interrupts = <18 (IRQ_TYPE_EDGE_RISING)>;
};
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/gyroscope/bosch,bmg160.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Bosch BMG160 triaxial rotation sensor (gyroscope)
maintainers:
- H. Nikolaus Schaller <hns@goldelico.com>
properties:
compatible:
enum:
- bosch,bmg160
- bosch,bmi055_gyro
- bosch,bmi088_gyro
reg:
maxItems: 1
interrupts:
minItems: 1
description:
Should be configured with type IRQ_TYPE_EDGE_RISING.
required:
- compatible
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
gyroscope@69 {
compatible = "bosch,bmg160";
reg = <0x69>;
interrupt-parent = <&gpio6>;
interrupts = <18 IRQ_TYPE_EDGE_RISING>;
};
};
...
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* NXP FXAS21002C Gyroscope device tree bindings
http://www.nxp.com/products/sensors/gyroscopes/3-axis-digital-gyroscope:FXAS21002C
Required properties:
- compatible : should be "nxp,fxas21002c"
- reg : the I2C address of the sensor or SPI chip select number for the
device.
- vdd-supply: phandle to the regulator that provides power to the sensor.
- vddio-supply: phandle to the regulator that provides power to the bus.
Optional properties:
- reset-gpios : gpio used to reset the device, see gpio/gpio.txt
- interrupts : device support 2 interrupts, INT1 and INT2,
the interrupts can be triggered on rising or falling edges.
See interrupt-controller/interrupts.txt
- interrupt-names: should contain "INT1" or "INT2", the gyroscope interrupt
line in use.
- drive-open-drain: the interrupt/data ready line will be configured
as open drain, which is useful if several sensors share
the same interrupt line. This is a boolean property.
(This binding is taken from pinctrl/pinctrl-bindings.txt)
Example:
gyroscope@20 {
compatible = "nxp,fxas21002c";
reg = <0x20>;
vdd-supply = <&reg_peri_3p15v>;
vddio-supply = <&reg_peri_3p15v>;
};
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/gyroscope/nxp,fxas21002c.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: NXP FXAS21002C Gyroscope
maintainers:
- Rui Miguel Silva <rmfrfs@gmail.com>
description: |
3 axis digital gyroscope device with an I2C and SPI interface.
http://www.nxp.com/products/sensors/gyroscopes/3-axis-digital-gyroscope:FXAS21002C
properties:
compatible:
const: nxp,fxas21002c
reg:
maxItems: 1
vdd-supply:
description: Regulator that provides power to the sensor
vddio-supply:
description: Regulator that provides power to the bus
reset-gpios:
maxItems: 1
description: GPIO connected to reset
interrupts:
minItems: 1
maxItems: 2
description: Either interrupt may be triggered on rising or falling edges.
interrupt-names:
minItems: 1
maxItems: 2
items:
enum:
- INT1
- INT2
drive-open-drain:
type: boolean
description: the interrupt/data ready line will be configured as open drain,
which is useful if several sensors share the same interrupt
line.
spi-max-frequency:
maximum: 2000000
required:
- compatible
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c0 {
#address-cells = <1>;
#size-cells = <0>;
gyroscope@20 {
compatible = "nxp,fxas21002c";
reg = <0x20>;
vdd-supply = <&reg_peri_3p15v>;
vddio-supply = <&reg_peri_3p15v>;
interrupt-parent = <&gpio1>;
interrupts = <7 IRQ_TYPE_EDGE_RISING>;
interrupt-names = "INT1";
};
};
spi0 {
#address-cells = <1>;
#size-cells = <0>;
gyroscope@0 {
compatible = "nxp,fxas2102c";
reg = <0x0>;
spi-max-frequency = <2000000>;
interrupt-parent = <&gpio2>;
interrupts = <7 IRQ_TYPE_EDGE_RISING>;
interrupt-names = "INT2";
};
};
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Texas Instruments AFE4403 Heart rate and Pulse Oximeter
Required properties:
- compatible : Should be "ti,afe4403".
- reg : SPI chip select address of device.
- tx-supply : Regulator supply to transmitting LEDs.
- interrupts : The interrupt line the device ADC_RDY pin is
connected to. For details refer to,
../../interrupt-controller/interrupts.txt.
Optional properties:
- reset-gpios : GPIO used to reset the device.
For details refer to, ../../gpio/gpio.txt.
For other required and optional properties of SPI slave nodes
please refer to ../../spi/spi-bus.txt.
Example:
&spi0 {
heart_mon@0 {
compatible = "ti,afe4403";
reg = <0>;
spi-max-frequency = <10000000>;
tx-supply = <&vbat>;
interrupt-parent = <&gpio1>;
interrupts = <28 IRQ_TYPE_EDGE_RISING>;
reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
};
};
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Texas Instruments AFE4404 Heart rate and Pulse Oximeter
Required properties:
- compatible : Should be "ti,afe4404".
- reg : I2C address of the device.
- tx-supply : Regulator supply to transmitting LEDs.
- interrupts : The interrupt line the device ADC_RDY pin is
connected to. For details refer to,
../interrupt-controller/interrupts.txt.
Optional properties:
- reset-gpios : GPIO used to reset the device.
For details refer to, ../gpio/gpio.txt.
Example:
&i2c2 {
heart_mon@58 {
compatible = "ti,afe4404";
reg = <0x58>;
tx-supply = <&vbat>;
interrupt-parent = <&gpio1>;
interrupts = <28 IRQ_TYPE_EDGE_RISING>;
reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
};
};
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Maxim MAX30100 heart rate and pulse oximeter sensor
* https://datasheets.maximintegrated.com/en/ds/MAX30100.pdf
Required properties:
- compatible: must be "maxim,max30100"
- reg: the I2C address of the sensor
- interrupts: the sole interrupt generated by the device
Refer to interrupt-controller/interrupts.txt for generic
interrupt client node bindings.
Optional properties:
- maxim,led-current-microamp: configuration for LED current in microamperes
while the engine is running. First indexed value is the configuration for
the RED LED, and second value is for the IR LED.
Refer to the datasheet for the allowed current values.
Example:
max30100@57 {
compatible = "maxim,max30100";
reg = <0x57>;
maxim,led-current-microamp = <24000 50000>;
interrupt-parent = <&gpio1>;
interrupts = <16 2>;
};
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Maxim MAX30102 heart rate and pulse oximeter sensor
Maxim MAX30105 optical particle-sensing module
* https://datasheets.maximintegrated.com/en/ds/MAX30102.pdf
* https://datasheets.maximintegrated.com/en/ds/MAX30105.pdf
Required properties:
- compatible: must be "maxim,max30102" or "maxim,max30105"
- reg: the I2C address of the sensor
- interrupts: the sole interrupt generated by the device
Refer to interrupt-controller/interrupts.txt for generic
interrupt client node bindings.
Optional properties:
- maxim,red-led-current-microamp: configuration for red LED current
- maxim,ir-led-current-microamp: configuration for IR LED current
- maxim,green-led-current-microamp: configuration for green LED current
(max30105 only)
Note that each step is approximately 200 microamps, ranging from 0 uA to
50800 uA.
Example:
max30102@57 {
compatible = "maxim,max30102";
reg = <0x57>;
maxim,red-led-current-microamp = <7000>;
maxim,ir-led-current-microamp = <7000>;
interrupt-parent = <&gpio1>;
interrupts = <16 2>;
};
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* DHT11 humidity/temperature sensor (and compatibles like DHT22)
Required properties:
- compatible: Should be "dht11"
- gpios: Should specify the GPIO connected to the sensor's data
line, see "gpios property" in
Documentation/devicetree/bindings/gpio/gpio.txt.
Example:
humidity_sensor {
compatible = "dht11";
gpios = <&gpio0 6 0>;
}
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*HTU21 - Measurement-Specialties htu21 temperature & humidity sensor and humidity part of MS8607 sensor
Required properties:
- compatible: should be "meas,htu21" or "meas,ms8607-humidity"
- reg: I2C address of the sensor
Example:
htu21@40 {
compatible = "meas,htu21";
reg = <0x40>;
};
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