linux-kernel - [PATCH 5/5] arm64: tegra: Populate EEPROMs for Jetson Xavier NX

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Date:   Thu, 10 Sep 2020 14:42:39 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>
CC:     <linux-i2c@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        Jon Hunter <jonathanh@...dia.com>
Subject: [PATCH 5/5] arm64: tegra: Populate EEPROMs for Jetson Xavier NX

Populate the EEPROMs that are present on the Jetson Xavier NX developer
platform.

Signed-off-by: Jon Hunter <jonathanh@...dia.com>
---
 .../nvidia/tegra194-p3509-0000+p3668-0000.dts    | 14 ++++++++++++++
 .../boot/dts/nvidia/tegra194-p3668-0000.dtsi     | 16 ++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0000.dts
index c1c589805d6b..7f97b34216a0 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0000.dts
@@ -27,6 +27,20 @@ ddc: i2c@...0000 {
 			status = "okay";
 		};
 
+		i2c@...0000 {
+			eeprom@57 {
+				compatible = "atmel,24c02";
+				reg = <0x57>;
+
+				label = "system";
+				vcc-supply = <&vdd_1v8>;
+				address-width = <8>;
+				pagesize = <8>;
+				size = <256>;
+				read-only;
+			};
+		};
+
 		hda@...0000 {
 			nvidia,model = "jetson-xavier-nx-hda";
 			status = "okay";
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi
index 10cb836aea7e..a2893be80507 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi
@@ -58,6 +58,22 @@ serial@...0000 {
 			status = "okay";
 		};
 
+		i2c@...0000 {
+			status = "okay";
+
+			eeprom@50 {
+				compatible = "atmel,24c02";
+				reg = <0x50>;
+
+				label = "module";
+				vcc-supply = <&vdd_1v8ls>;
+				address-width = <8>;
+				pagesize = <8>;
+				size = <256>;
+				read-only;
+			};
+		};
+
 		/* SDMMC1 (SD/MMC) */
 		mmc@...0000 {
 			status = "okay";
-- 
2.25.1