From: Jon Hunter <jonathanh@nvidia.com>
To: Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Thierry Reding <thierry.reding@gmail.com>
Cc: <devicetree@vger.kernel.org>, <linux-tegra@vger.kernel.org>,
Jon Hunter <jonathanh@nvidia.com>
Subject: [PATCH V2 2/2] arm64: tegra: Populate Jetson AGX Orin EEPROMs
Date: Mon, 16 Jan 2023 12:06:26 +0000 [thread overview]
Message-ID: <20230116120626.55942-2-jonathanh@nvidia.com> (raw)
In-Reply-To: <20230116120626.55942-1-jonathanh@nvidia.com>
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 --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";
};
--
2.25.1
next prev parent reply other threads:[~2023-01-16 12:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-16 12:06 [PATCH V2 1/2] arm64: tegra: Populate address/size cells for Tegra234 I2C Jon Hunter
2023-01-16 12:06 ` Jon Hunter [this message]
2023-01-17 13:20 ` Thierry Reding
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