Merge tag 'tegra-for-4.20-arm64-dt' of...

Merge tag 'tegra-for-4.20-arm64-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/dt

arm64: tegra: Device tree changes for v4.20-rc1

This contains mostly device tree changes to support faster SDHCI modes
on Tegra210 and Tegra186.

* tag 'tegra-for-4.20-arm64-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  arm64: tegra: I2C on Tegra194 is not compatible with Tegra114
  arm64: dts: tegra186: Enable HS400
  arm64: dts: tegra210: Enable HS400
  arm64: dts: tegra186: Add SDMMC4 DQS trim value
  arm64: dts: tegra210: Add SDMMC4 DQS trim value
  arm64: dts: tegra186: Assign clocks for sdmmc1 and sdmmc4
  arm64: dts: tegra210: Assign clocks for sdmmc1 and sdmmc4
  arm64: dts: tegra186: Add SDHCI tap and trim values
  arm64: dts: tegra210: Add SDHCI tap and trim values
  arm64: dts: tegra186: Add sdmmc pad auto calibration offsets
  arm64: dts: tegra210: Add sdmmc pad auto calibration offsets
  arm64: dts: tegra210-p2597: Remove no-1-8-v from sdmmc1
  arm64: dts: tegra210-p2180: Correct sdmmc4 vqmmc-supply
  arm64: dts: tegra210-p2180: Allow ldo2 to go down to 1.8 V
  arm64: dts: Add Tegra186 sdmmc pinctrl voltage states
  arm64: dts: Add Tegra210 sdmmc pinctrl voltage states
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm64/boot/dts/nvidia/tegra186.dtsi

@@ -4,6 +4,7 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/mailbox/tegra186-hsp.h>
 #include <dt-bindings/memory/tegra186-mc.h>
+#include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
 #include <dt-bindings/power/tegra186-powergate.h>
 #include <dt-bindings/reset/tegra186-reset.h>
 #include <dt-bindings/thermal/tegra186-bpmp-thermal.h>
@@ -236,6 +237,20 @@ sdmmc1: sdhci@3400000 {
 		clock-names = "sdhci";
 		resets = <&bpmp TEGRA186_RESET_SDMMC1>;
 		reset-names = "sdhci";
+		pinctrl-names = "sdmmc-3v3", "sdmmc-1v8";
+		pinctrl-0 = <&sdmmc1_3v3>;
+		pinctrl-1 = <&sdmmc1_1v8>;
+		nvidia,pad-autocal-pull-up-offset-3v3-timeout = <0x07>;
+		nvidia,pad-autocal-pull-down-offset-3v3-timeout = <0x06>;
+		nvidia,pad-autocal-pull-up-offset-1v8-timeout = <0x07>;
+		nvidia,pad-autocal-pull-down-offset-1v8-timeout = <0x07>;
+		nvidia,pad-autocal-pull-up-offset-sdr104 = <0x03>;
+		nvidia,pad-autocal-pull-down-offset-sdr104 = <0x05>;
+		nvidia,default-tap = <0x5>;
+		nvidia,default-trim = <0xb>;
+		assigned-clocks = <&bpmp TEGRA186_CLK_SDMMC1>,
+				  <&bpmp TEGRA186_CLK_PLLP_OUT0>;
+		assigned-clock-parents = <&bpmp TEGRA186_CLK_PLLP_OUT0>;
 		status = "disabled";
 	};
 
@@ -247,6 +262,15 @@ sdmmc2: sdhci@3420000 {
 		clock-names = "sdhci";
 		resets = <&bpmp TEGRA186_RESET_SDMMC2>;
 		reset-names = "sdhci";
+		pinctrl-names = "sdmmc-3v3", "sdmmc-1v8";
+		pinctrl-0 = <&sdmmc2_3v3>;
+		pinctrl-1 = <&sdmmc2_1v8>;
+		nvidia,pad-autocal-pull-up-offset-3v3-timeout = <0x07>;
+		nvidia,pad-autocal-pull-down-offset-3v3-timeout = <0x06>;
+		nvidia,pad-autocal-pull-up-offset-1v8-timeout = <0x07>;
+		nvidia,pad-autocal-pull-down-offset-1v8-timeout = <0x07>;
+		nvidia,default-tap = <0x5>;
+		nvidia,default-trim = <0xb>;
 		status = "disabled";
 	};
 
@@ -258,6 +282,17 @@ sdmmc3: sdhci@3440000 {
 		clock-names = "sdhci";
 		resets = <&bpmp TEGRA186_RESET_SDMMC3>;
 		reset-names = "sdhci";
+		pinctrl-names = "sdmmc-3v3", "sdmmc-1v8";
+		pinctrl-0 = <&sdmmc3_3v3>;
+		pinctrl-1 = <&sdmmc3_1v8>;
+		nvidia,pad-autocal-pull-up-offset-1v8 = <0x00>;
+		nvidia,pad-autocal-pull-down-offset-1v8 = <0x7a>;
+		nvidia,pad-autocal-pull-up-offset-3v3-timeout = <0x07>;
+		nvidia,pad-autocal-pull-down-offset-3v3-timeout = <0x06>;
+		nvidia,pad-autocal-pull-up-offset-1v8-timeout = <0x07>;
+		nvidia,pad-autocal-pull-down-offset-1v8-timeout = <0x07>;
+		nvidia,default-tap = <0x5>;
+		nvidia,default-trim = <0xb>;
 		status = "disabled";
 	};
 
@@ -267,8 +302,19 @@ sdmmc4: sdhci@3460000 {
 		interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&bpmp TEGRA186_CLK_SDMMC4>;
 		clock-names = "sdhci";
+		assigned-clocks = <&bpmp TEGRA186_CLK_SDMMC4>,
+				  <&bpmp TEGRA186_CLK_PLLC4_VCO>;
+		assigned-clock-parents = <&bpmp TEGRA186_CLK_PLLC4_VCO>;
 		resets = <&bpmp TEGRA186_RESET_SDMMC4>;
 		reset-names = "sdhci";
+		nvidia,pad-autocal-pull-up-offset-hs400 = <0x05>;
+		nvidia,pad-autocal-pull-down-offset-hs400 = <0x05>;
+		nvidia,pad-autocal-pull-up-offset-1v8-timeout = <0x0a>;
+		nvidia,pad-autocal-pull-down-offset-1v8-timeout = <0x0a>;
+		nvidia,default-tap = <0x5>;
+		nvidia,default-trim = <0x9>;
+		nvidia,dqs-trim = <63>;
+		mmc-hs400-1_8v;
 		status = "disabled";
 	};
 
@@ -368,6 +414,36 @@ pmc@c360000 {
 		      <0 0x0c380000 0 0x10000>,
 		      <0 0x0c390000 0 0x10000>;
 		reg-names = "pmc", "wake", "aotag", "scratch";
+
+		sdmmc1_3v3: sdmmc1-3v3 {
+			pins = "sdmmc1-hv";
+			power-source = <TEGRA_IO_PAD_VOLTAGE_3V3>;
+		};
+
+		sdmmc1_1v8: sdmmc1-1v8 {
+			pins = "sdmmc1-hv";
+			power-source = <TEGRA_IO_PAD_VOLTAGE_1V8>;
+		};
+
+		sdmmc2_3v3: sdmmc2-3v3 {
+			pins = "sdmmc2-hv";
+			power-source = <TEGRA_IO_PAD_VOLTAGE_3V3>;
+		};
+
+		sdmmc2_1v8: sdmmc2-1v8 {
+			pins = "sdmmc2-hv";
+			power-source = <TEGRA_IO_PAD_VOLTAGE_1V8>;
+		};
+
+		sdmmc3_3v3: sdmmc3-3v3 {
+			pins = "sdmmc3-hv";
+			power-source = <TEGRA_IO_PAD_VOLTAGE_3V3>;
+		};
+
+		sdmmc3_1v8: sdmmc3-1v8 {
+			pins = "sdmmc3-hv";
+			power-source = <TEGRA_IO_PAD_VOLTAGE_1V8>;
+		};
 	};
 
 	ccplex@e000000 {

arch/arm64/boot/dts/nvidia/tegra194.dtsi

@@ -118,7 +118,7 @@ uartf: serial@3150000 {
 		};
 
 		gen1_i2c: i2c@3160000 {
-			compatible = "nvidia,tegra194-i2c", "nvidia,tegra114-i2c";
+			compatible = "nvidia,tegra194-i2c";
 			reg = <0x03160000 0x10000>;
 			interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
 			#address-cells = <1>;
@@ -143,7 +143,7 @@ uarth: serial@3170000 {
 		};
 
 		cam_i2c: i2c@3180000 {
-			compatible = "nvidia,tegra194-i2c", "nvidia,tegra114-i2c";
+			compatible = "nvidia,tegra194-i2c";
 			reg = <0x03180000 0x10000>;
 			interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
 			#address-cells = <1>;
@@ -157,7 +157,7 @@ cam_i2c: i2c@3180000 {
 
 		/* shares pads with dpaux1 */
 		dp_aux_ch1_i2c: i2c@3190000 {
-			compatible = "nvidia,tegra194-i2c", "nvidia,tegra114-i2c";
+			compatible = "nvidia,tegra194-i2c";
 			reg = <0x03190000 0x10000>;
 			interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
 			#address-cells = <1>;
@@ -171,7 +171,7 @@ dp_aux_ch1_i2c: i2c@3190000 {
 
 		/* shares pads with dpaux0 */
 		dp_aux_ch0_i2c: i2c@31b0000 {
-			compatible = "nvidia,tegra194-i2c", "nvidia,tegra114-i2c";
+			compatible = "nvidia,tegra194-i2c";
 			reg = <0x031b0000 0x10000>;
 			interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
 			#address-cells = <1>;
@@ -184,7 +184,7 @@ dp_aux_ch0_i2c: i2c@31b0000 {
 		};
 
 		gen7_i2c: i2c@31c0000 {
-			compatible = "nvidia,tegra194-i2c", "nvidia,tegra114-i2c";
+			compatible = "nvidia,tegra194-i2c";
 			reg = <0x031c0000 0x10000>;
 			interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
 			#address-cells = <1>;
@@ -197,7 +197,7 @@ gen7_i2c: i2c@31c0000 {
 		};
 
 		gen9_i2c: i2c@31e0000 {
-			compatible = "nvidia,tegra194-i2c", "nvidia,tegra114-i2c";
+			compatible = "nvidia,tegra194-i2c";
 			reg = <0x031e0000 0x10000>;
 			interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
 			#address-cells = <1>;
@@ -264,7 +264,7 @@ hsp_top0: hsp@3c00000 {
 		};
 
 		gen2_i2c: i2c@c240000 {
-			compatible = "nvidia,tegra194-i2c", "nvidia,tegra114-i2c";
+			compatible = "nvidia,tegra194-i2c";
 			reg = <0x0c240000 0x10000>;
 			interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
 			#address-cells = <1>;
@@ -277,7 +277,7 @@ gen2_i2c: i2c@c240000 {
 		};
 
 		gen8_i2c: i2c@c250000 {
-			compatible = "nvidia,tegra194-i2c", "nvidia,tegra114-i2c";
+			compatible = "nvidia,tegra194-i2c";
 			reg = <0x0c250000 0x10000>;
 			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
 			#address-cells = <1>;

arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi

@@ -178,16 +178,7 @@ vdd_pex_1v05: ldo1 {
 
 				vddio_sdmmc: ldo2 {
 					regulator-name = "VDDIO_SDMMC";
-					/*
-					 * Technically this supply should have
-					 * a supported range from 1.8 - 3.3 V.
-					 * However, that would cause the SDHCI
-					 * driver to request 2.7 V upon access
-					 * and that in turn will cause traffic
-					 * to be broken. Leave it at 3.3 V for
-					 * now.
-					 */
-					regulator-min-microvolt = <3300000>;
+					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <3300000>;
 					regulator-always-on;
 					regulator-boot-on;
@@ -282,6 +273,7 @@ sdhci@700b0600 {
 		status = "okay";
 		bus-width = <8>;
 		non-removable;
+		vqmmc-supply = <&vdd_1v8>;
 	};
 
 	clocks {

arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi

@@ -1452,7 +1452,6 @@ usb3-1 {
 	sdhci@700b0000 {
 		status = "okay";
 		bus-width = <4>;
-		no-1-8-v;
 
 		cd-gpios = <&gpio TEGRA_GPIO(Z, 1) GPIO_ACTIVE_LOW>;
 

arch/arm64/boot/dts/nvidia/tegra210.dtsi

@@ -3,6 +3,7 @@
 #include <dt-bindings/gpio/tegra-gpio.h>
 #include <dt-bindings/memory/tegra210-mc.h>
 #include <dt-bindings/pinctrl/pinctrl-tegra.h>
+#include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/thermal/tegra124-soctherm.h>
 
@@ -776,6 +777,26 @@ pd_vic: vic {
 				#power-domain-cells = <0>;
 			};
 		};
+
+		sdmmc1_3v3: sdmmc1-3v3 {
+			pins = "sdmmc1";
+			power-source = <TEGRA_IO_PAD_VOLTAGE_3V3>;
+		};
+
+		sdmmc1_1v8: sdmmc1-1v8 {
+			pins = "sdmmc1";
+			power-source = <TEGRA_IO_PAD_VOLTAGE_1V8>;
+		};
+
+		sdmmc3_3v3: sdmmc3-3v3 {
+			pins = "sdmmc3";
+			power-source = <TEGRA_IO_PAD_VOLTAGE_3V3>;
+		};
+
+		sdmmc3_1v8: sdmmc3-1v8 {
+			pins = "sdmmc3";
+			power-source = <TEGRA_IO_PAD_VOLTAGE_1V8>;
+		};
 	};
 
 	fuse@7000f800 {
@@ -1027,6 +1048,20 @@ sdhci@700b0000 {
 		clock-names = "sdhci";
 		resets = <&tegra_car 14>;
 		reset-names = "sdhci";
+		pinctrl-names = "sdmmc-3v3", "sdmmc-1v8";
+		pinctrl-0 = <&sdmmc1_3v3>;
+		pinctrl-1 = <&sdmmc1_1v8>;
+		nvidia,pad-autocal-pull-up-offset-3v3 = <0x00>;
+		nvidia,pad-autocal-pull-down-offset-3v3 = <0x7d>;
+		nvidia,pad-autocal-pull-up-offset-1v8 = <0x7b>;
+		nvidia,pad-autocal-pull-down-offset-1v8 = <0x7b>;
+		nvidia,default-tap = <0x2>;
+		nvidia,default-trim = <0x4>;
+		assigned-clocks = <&tegra_car TEGRA210_CLK_SDMMC4>,
+				  <&tegra_car TEGRA210_CLK_PLL_C4_OUT0>,
+				  <&tegra_car TEGRA210_CLK_PLL_C4>;
+		assigned-clock-parents = <&tegra_car TEGRA210_CLK_PLL_C4_OUT0>;
+		assigned-clock-rates = <200000000>, <1000000000>, <1000000000>;
 		status = "disabled";
 	};
 
@@ -1038,6 +1073,10 @@ sdhci@700b0200 {
 		clock-names = "sdhci";
 		resets = <&tegra_car 9>;
 		reset-names = "sdhci";
+		nvidia,pad-autocal-pull-up-offset-1v8 = <0x05>;
+		nvidia,pad-autocal-pull-down-offset-1v8 = <0x05>;
+		nvidia,default-tap = <0x8>;
+		nvidia,default-trim = <0x0>;
 		status = "disabled";
 	};
 
@@ -1049,6 +1088,15 @@ sdhci@700b0400 {
 		clock-names = "sdhci";
 		resets = <&tegra_car 69>;
 		reset-names = "sdhci";
+		pinctrl-names = "sdmmc-3v3", "sdmmc-1v8";
+		pinctrl-0 = <&sdmmc3_3v3>;
+		pinctrl-1 = <&sdmmc3_1v8>;
+		nvidia,pad-autocal-pull-up-offset-3v3 = <0x00>;
+		nvidia,pad-autocal-pull-down-offset-3v3 = <0x7d>;
+		nvidia,pad-autocal-pull-up-offset-1v8 = <0x7b>;
+		nvidia,pad-autocal-pull-down-offset-1v8 = <0x7b>;
+		nvidia,default-tap = <0x3>;
+		nvidia,default-trim = <0x3>;
 		status = "disabled";
 	};
 
@@ -1060,6 +1108,15 @@ sdhci@700b0600 {
 		clock-names = "sdhci";
 		resets = <&tegra_car 15>;
 		reset-names = "sdhci";
+		nvidia,pad-autocal-pull-up-offset-1v8 = <0x05>;
+		nvidia,pad-autocal-pull-down-offset-1v8 = <0x05>;
+		nvidia,default-tap = <0x8>;
+		nvidia,default-trim = <0x0>;
+		assigned-clocks = <&tegra_car TEGRA210_CLK_SDMMC4>,
+				  <&tegra_car TEGRA210_CLK_PLL_C4_OUT0>;
+		assigned-clock-parents = <&tegra_car TEGRA210_CLK_PLL_C4_OUT0>;
+		nvidia,dqs-trim = <40>;
+		mmc-hs400-1_8v;
 		status = "disabled";
 	};