From: Yao Zi <ziyao@disroot.org>
Date: Thu, 17 Apr 2025 12:01:19 +0000 (+0000)
Subject: arm64: dts: rockchip: Add onboard EEPROM for Radxa E20C
X-Git-Tag: v6.16-rc1~97^2~40^2~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=101fe8b5627c68b3f2f941266e26ac355131e2fe;p=thirdparty%2Fkernel%2Fstable.git

arm64: dts: rockchip: Add onboard EEPROM for Radxa E20C

Radxa E20C ships an onboard I2C EEPROM for storing production
information. Enable it in devicetree.

Signed-off-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20250417120118.17610-6-ziyao@disroot.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---

diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
index 57a446b5cbd6c..6e77f7753ff78 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
@@ -110,6 +110,20 @@
 	};
 };
 
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1m0_xfer>;
+	status = "okay";
+
+	eeprom@50 {
+		compatible = "belling,bl24c16a", "atmel,24c16";
+		reg = <0x50>;
+		pagesize = <16>;
+		read-only;
+		vcc-supply = <&vcc_3v3>;
+	};
+};
+
 &pinctrl {
 	gpio-keys {
 		user_key: user-key {