diff mbox series

[V2,2/2] arm64: tegra: Populate Jetson AGX Orin EEPROMs

Message ID 20230116120626.55942-2-jonathanh@nvidia.com
State New
Headers show
Series None | expand

Commit Message

Jon Hunter Jan. 16, 2023, 12:06 p.m. UTC 
Populate the module and system EEPROMs on the Jetson AGX Orin platform.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
---
Changes V1->V2: None

 .../boot/dts/nvidia/tegra234-p3701-0000.dtsi  | 24 +++++++++++++++++++
 .../boot/dts/nvidia/tegra234-p3737-0000.dtsi  | 24 +++++++++++++++++++
 2 files changed, 48 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi
index 4fae2547e90e..ee8bc57e4ebe 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi
@@ -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";
 
diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi
index e76894574d32..dc6667191bd2 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi
@@ -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";
 		};