dt-bindings: mfd: Add rk806 binding

Add DT binding document for Rockchip's RK806 PMIC.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230504173618.142075-8-sebastian.reichel@collabora.comSigned-off-by: Lee Jones <lee@kernel.org>

Documentation/devicetree/bindings/mfd/rockchip,rk806.yaml

+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/rockchip,rk806.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: RK806 Power Management Integrated Circuit
+
+maintainers:
+  - Sebastian Reichel <sebastian.reichel@collabora.com>
+
+description:
+  Rockchip RK806 series PMIC. This device consists of an spi or
+  i2c controlled MFD that includes multiple switchable regulators.
+
+properties:
+  compatible:
+    enum:
+      - rockchip,rk806
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  gpio-controller: true
+
+  '#gpio-cells':
+    const: 2
+
+  vcc1-supply:
+    description:
+      The input supply for dcdc-reg1.
+
+  vcc2-supply:
+    description:
+      The input supply for dcdc-reg2.
+
+  vcc3-supply:
+    description:
+      The input supply for dcdc-reg3.
+
+  vcc4-supply:
+    description:
+      The input supply for dcdc-reg4.
+
+  vcc5-supply:
+    description:
+      The input supply for dcdc-reg5.
+
+  vcc6-supply:
+    description:
+      The input supply for dcdc-reg6.
+
+  vcc7-supply:
+    description:
+      The input supply for dcdc-reg7.
+
+  vcc8-supply:
+    description:
+      The input supply for dcdc-reg8.
+
+  vcc9-supply:
+    description:
+      The input supply for dcdc-reg9.
+
+  vcc10-supply:
+    description:
+      The input supply for dcdc-reg10.
+
+  vcc11-supply:
+    description:
+      The input supply for pldo-reg1, pldo-reg2 and pldo-reg3.
+
+  vcc12-supply:
+    description:
+      The input supply for pldo-reg4 and pldo-reg5.
+
+  vcc13-supply:
+    description:
+      The input supply for nldo-reg1, nldo-reg2 and nldo-reg3.
+
+  vcc14-supply:
+    description:
+      The input supply for nldo-reg4 and nldo-reg5.
+
+  vcca-supply:
+    description:
+      The input supply for pldo-reg6.
+
+  regulators:
+    type: object
+    additionalProperties: false
+    patternProperties:
+      "^(dcdc-reg([1-9]|10)|pldo-reg[1-6]|nldo-reg[1-5])$":
+        type: object
+        $ref: /schemas/regulator/regulator.yaml#
+        unevaluatedProperties: false
+
+patternProperties:
+  '-pins$':
+    type: object
+    additionalProperties: false
+    $ref: /schemas/pinctrl/pinmux-node.yaml
+
+    properties:
+      function:
+        enum: [pin_fun0, pin_fun1, pin_fun2, pin_fun3, pin_fun4, pin_fun5]
+
+      pins:
+        $ref: /schemas/types.yaml#/definitions/string
+        enum: [gpio_pwrctrl1, gpio_pwrctrl2, gpio_pwrctrl3]
+
+allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/pinctrl/rockchip.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/gpio/gpio.h>
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        pmic@0 {
+            compatible = "rockchip,rk806";
+            reg = <0x0>;
+
+            interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
+
+            vcc1-supply = <&vcc5v0_sys>;
+            vcc2-supply = <&vcc5v0_sys>;
+            vcc3-supply = <&vcc5v0_sys>;
+            vcc4-supply = <&vcc5v0_sys>;
+            vcc5-supply = <&vcc5v0_sys>;
+            vcc6-supply = <&vcc5v0_sys>;
+            vcc7-supply = <&vcc5v0_sys>;
+            vcc8-supply = <&vcc5v0_sys>;
+            vcc9-supply = <&vcc5v0_sys>;
+            vcc10-supply = <&vcc5v0_sys>;
+            vcc11-supply = <&vcc_2v0_pldo_s3>;
+            vcc12-supply = <&vcc5v0_sys>;
+            vcc13-supply = <&vcc5v0_sys>;
+            vcc14-supply = <&vcc_1v1_nldo_s3>;
+            vcca-supply = <&vcc5v0_sys>;
+
+            regulators {
+                vdd_gpu_s0: dcdc-reg1 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <550000>;
+                    regulator-max-microvolt = <950000>;
+                    regulator-ramp-delay = <12500>;
+                    regulator-name = "vdd_gpu_s0";
+                    regulator-state-mem {
+                        regulator-off-in-suspend;
+                    };
+                };
+
+                vdd_npu_s0: dcdc-reg2 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <550000>;
+                    regulator-max-microvolt = <950000>;
+                    regulator-ramp-delay = <12500>;
+                    regulator-name = "vdd_npu_s0";
+                    regulator-state-mem {
+                        regulator-off-in-suspend;
+                    };
+                };
+
+                vdd_log_s0: dcdc-reg3 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <750000>;
+                    regulator-max-microvolt = <750000>;
+                    regulator-ramp-delay = <12500>;
+                    regulator-name = "vdd_log_s0";
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                        regulator-suspend-microvolt = <750000>;
+                    };
+                };
+
+                vdd_vdenc_s0: dcdc-reg4 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <550000>;
+                    regulator-max-microvolt = <950000>;
+                    regulator-ramp-delay = <12500>;
+                    regulator-name = "vdd_vdenc_s0";
+                    regulator-state-mem {
+                        regulator-off-in-suspend;
+                    };
+                };
+
+                vdd_gpu_mem_s0: dcdc-reg5 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <675000>;
+                    regulator-max-microvolt = <950000>;
+                    regulator-ramp-delay = <12500>;
+                    regulator-name = "vdd_gpu_mem_s0";
+                    regulator-state-mem {
+                        regulator-off-in-suspend;
+                    };
+                };
+
+                vdd_npu_mem_s0: dcdc-reg6 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <675000>;
+                    regulator-max-microvolt = <950000>;
+                    regulator-ramp-delay = <12500>;
+                    regulator-name = "vdd_npu_mem_s0";
+                    regulator-state-mem {
+                        regulator-off-in-suspend;
+                    };
+                };
+
+                vcc_2v0_pldo_s3: dcdc-reg7 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <2000000>;
+                    regulator-max-microvolt = <2000000>;
+                    regulator-ramp-delay = <12500>;
+                    regulator-name = "vdd_2v0_pldo_s3";
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                        regulator-suspend-microvolt = <2000000>;
+                    };
+                };
+
+                vdd_vdenc_mem_s0: dcdc-reg8 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <675000>;
+                    regulator-max-microvolt = <950000>;
+                    regulator-ramp-delay = <12500>;
+                    regulator-name = "vdd_vdenc_mem_s0";
+                    regulator-state-mem {
+                        regulator-off-in-suspend;
+                    };
+                };
+
+                vdd2_ddr_s3: dcdc-reg9 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-name = "vdd2_ddr_s3";
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                    };
+                };
+
+                vcc_1v1_nldo_s3: dcdc-reg10 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <1100000>;
+                    regulator-max-microvolt = <1100000>;
+                    regulator-ramp-delay = <12500>;
+                    regulator-name = "vcc_1v1_nldo_s3";
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                        regulator-suspend-microvolt = <1100000>;
+                    };
+                };
+
+                avcc_1v8_s0: pldo-reg1 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <1800000>;
+                    regulator-max-microvolt = <1800000>;
+                    regulator-ramp-delay = <12500>;
+                    regulator-name = "avcc_1v8_s0";
+                    regulator-state-mem {
+                        regulator-off-in-suspend;
+                    };
+                };
+
+                vdd1_1v8_ddr_s3: pldo-reg2 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <1800000>;
+                    regulator-max-microvolt = <1800000>;
+                    regulator-ramp-delay = <12500>;
+                    regulator-name = "vdd1_1v8_ddr_s3";
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                        regulator-suspend-microvolt = <1800000>;
+                    };
+                };
+
+                vcc_1v8_s3: pldo-reg3 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <1800000>;
+                    regulator-max-microvolt = <1800000>;
+                    regulator-ramp-delay = <12500>;
+                    regulator-name = "vcc_1v8_s3";
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                        regulator-suspend-microvolt = <1800000>;
+                    };
+                };
+
+                vcc_3v3_s0: pldo-reg4 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <3300000>;
+                    regulator-max-microvolt = <3300000>;
+                    regulator-ramp-delay = <12500>;
+                    regulator-name = "vcc_3v3_s0";
+                    regulator-state-mem {
+                        regulator-off-in-suspend;
+                    };
+                };
+
+                vccio_sd_s0: pldo-reg5 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <1800000>;
+                    regulator-max-microvolt = <3300000>;
+                    regulator-ramp-delay = <12500>;
+                    regulator-name = "vccio_sd_s0";
+                    regulator-state-mem {
+                        regulator-off-in-suspend;
+                    };
+                };
+
+                master_pldo6_s3: pldo-reg6 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <1800000>;
+                    regulator-max-microvolt = <1800000>;
+                    regulator-name = "master_pldo6_s3";
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                        regulator-suspend-microvolt = <1800000>;
+                    };
+                };
+
+                vdd_0v75_s3: nldo-reg1 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <750000>;
+                    regulator-max-microvolt = <750000>;
+                    regulator-ramp-delay = <12500>;
+                    regulator-name = "vdd_0v75_s3";
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                        regulator-suspend-microvolt = <750000>;
+                    };
+                };
+
+                vdd2l_0v9_ddr_s3: nldo-reg2 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <900000>;
+                    regulator-max-microvolt = <900000>;
+                    regulator-name = "vdd2l_0v9_ddr_s3";
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                        regulator-suspend-microvolt = <900000>;
+                    };
+                };
+
+                master_nldo3: nldo-reg3 {
+                    regulator-name = "master_nldo3";
+                    regulator-state-mem {
+                        regulator-off-in-suspend;
+                    };
+                };
+
+                avdd_0v75_s0: nldo-reg4 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <750000>;
+                    regulator-max-microvolt = <750000>;
+                    regulator-name = "avdd_0v75_s0";
+                    regulator-state-mem {
+                        regulator-off-in-suspend;
+                    };
+                };
+
+                vdd_0v85_s0: nldo-reg5 {
+                    regulator-always-on;
+                    regulator-boot-on;
+                    regulator-min-microvolt = <850000>;
+                    regulator-max-microvolt = <850000>;
+                    regulator-name = "vdd_0v85_s0";
+                    regulator-state-mem {
+                        regulator-off-in-suspend;
+                    };
+                };
+            };
+        };
+    };