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arm64: tegra: Populate address/size cells for Tegra234 I2C

PATCH Superseded Jon Hunter 1 participant 2 messages Jan 6, 2023

Subsystems (2)
Device tree bindings Tegra architecture support

v1 of 2 Superseded Latest is v2 →

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Jon Hunter

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PATCH 1/2 arm64: tegra: Populate address/size cells for Tegra234 I2C

Populate the address and size cells properties for the I2C devices on Tegra234.

Signed-off-by Jon Hunter <[email protected]>
---
 arch/arm64/boot/dts/nvidia/tegra234.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
arch/arm64/boot/dts/nvidia/tegra234.dtsi +14 -0
index e46451dfdb2e..7b45120f9f29 100644
@@ -787,6 +787,8 @@ gen1_i2c: i2c@3160000 {
 			reg = <0x3160000 0x100>;
 			status = "disabled";
 			interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
 			clock-frequency = <400000>;
 			clocks = <&bpmp TEGRA234_CLK_I2C1
 				  &bpmp TEGRA234_CLK_PLLP_OUT0>;

@@ -805,6 +807,8 @@ cam_i2c: i2c@3180000 {
 			compatible = "nvidia,tegra194-i2c";
 			reg = <0x3180000 0x100>;
 			interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
 			status = "disabled";
 			clock-frequency = <400000>;
 			clocks = <&bpmp TEGRA234_CLK_I2C3

@@ -824,6 +828,8 @@ dp_aux_ch1_i2c: i2c@3190000 {
 			compatible = "nvidia,tegra194-i2c";
 			reg = <0x3190000 0x100>;
 			interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
 			status = "disabled";
 			clock-frequency = <100000>;
 			clocks = <&bpmp TEGRA234_CLK_I2C4

@@ -843,6 +849,8 @@ dp_aux_ch0_i2c: i2c@31b0000 {
 			compatible = "nvidia,tegra194-i2c";
 			reg = <0x31b0000 0x100>;
 			interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
 			status = "disabled";
 			clock-frequency = <100000>;
 			clocks = <&bpmp TEGRA234_CLK_I2C6

@@ -862,6 +870,8 @@ dp_aux_ch2_i2c: i2c@31c0000 {
 			compatible = "nvidia,tegra194-i2c";
 			reg = <0x31c0000 0x100>;
 			interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
 			status = "disabled";
 			clock-frequency = <100000>;
 			clocks = <&bpmp TEGRA234_CLK_I2C7

@@ -888,6 +898,8 @@ dp_aux_ch3_i2c: i2c@31e0000 {
 			compatible = "nvidia,tegra194-i2c";
 			reg = <0x31e0000 0x100>;
 			interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
 			status = "disabled";
 			clock-frequency = <100000>;
 			clocks = <&bpmp TEGRA234_CLK_I2C9

@@ -1918,6 +1930,8 @@ gen8_i2c: i2c@c250000 {
 			compatible = "nvidia,tegra194-i2c";
 			reg = <0xc250000 0x100>;
 			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
 			status = "disabled";
 			clock-frequency = <400000>;
 			clocks = <&bpmp TEGRA234_CLK_I2C8
Signature · 1 line
2.25.1
author maintainer
#1 lore raw

PATCH 2/2 arm64: tegra: Populate Jetson AGX Orin EEPROMs

Populate the module and system EEPROMs on the Jetson AGX Orin platform.

Signed-off-by Jon Hunter <[email protected]>
---
 .../boot/dts/nvidia/tegra234-p3701-0000.dtsi  | 24 +++++++++++++++++++
 .../boot/dts/nvidia/tegra234-p3737-0000.dtsi  | 24 +++++++++++++++++++
 2 files changed, 48 insertions(+)
arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi +24 -0
index 61b7ce40f898..e78905e23b8f 100644
@@ -6,6 +6,14 @@ / {
 	model = "NVIDIA Jetson AGX Orin";
 	compatible = "nvidia,p3701-0000", "nvidia,tegra234";
 
+	vdd_1v8_hs: regulator-vdd-1v8-hs {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_1V8_HS";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+	};
+
 	vdd_1v8_ls: regulator-vdd-1v8-ls {
 		compatible = "regulator-fixed";
 		regulator-name = "VDD_1V8_LS";

@@ -42,6 +50,22 @@ vdd_12v_pcie: regulator-vdd-12v-pcie {
 	};
 
 	bus@0 {
+		i2c@3160000 {
+			status = "okay";
+
+			eeprom@50 {
+				compatible = "atmel,24c02";
+				reg = <0x50>;
+
+				label = "module";
+				vcc-supply = <&vdd_1v8_hs>;
+				address-width = <8>;
+				pagesize = <8>;
+				size = <256>;
+				read-only;
+			};
+		};
+
 		spi@3270000 {
 			status = "okay";
arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi +24 -0
index e76894574d32..dc6667191bd2 100644
@@ -3,7 +3,31 @@
 / {
 	compatible = "nvidia,p3737-0000";
 
+	vdd_1v8_sys: regulator-vdd-1v8-sys {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_1V8_SYS";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+	};
+
 	bus@0 {
+		i2c@3160000 {
+			status = "okay";
+
+			eeprom@56 {
+				compatible = "atmel,24c02";
+				reg = <0x56>;
+
+				label = "system";
+				vcc-supply = <&vdd_1v8_sys>;
+				address-width = <8>;
+				pagesize = <8>;
+				size = <256>;
+				read-only;
+			};
+		};
+
 		pwm@3280000 {
 			status = "okay";
 		};
Signature · 1 line
2.25.1