From: Thierry Reding <treding@nvidia.com>
Date: Thu, 13 Jun 2019 16:53:28 +0000 (+0200)
Subject: arm64: tegra: Add ID EEPROM for Jetson TX2 module
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a4ff413b714d5b627bb81f5aca6d30e4714260e4;p=linux.git

arm64: tegra: Add ID EEPROM for Jetson TX2 module

There is an ID EEPROM in the Jetson TX2 module that stores various bits
of information to indentify the module. Add the device tree node so that
operating systems can access this EEPROM.

Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---

diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
index 38ad1053f21a4..4bbee83d9943f 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
@@ -124,6 +124,17 @@
 
 	i2c@c250000 {
 		status = "okay";
+
+		/* module ID EEPROM */
+		eeprom@50 {
+			compatible = "atmel,24c02";
+			reg = <0x50>;
+
+			address-bits = <8>;
+			page-size = <8>;
+			size = <256>;
+			read-only;
+		};
 	};
 
 	rtc@c2a0000 {