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From af20b3384e8723077cc6484160b0cf4e9be321de Mon Sep 17 00:00:00 2001
From: Tianling Shen <cnsztl@gmail.com>
Date: Mon, 7 Jun 2021 15:45:37 +0800
Subject: [PATCH] arm64: dts: rockchip: add EEPROM node for NanoPi R4S
NanoPi R4S has a EEPROM attached to the 2nd I2C bus (U92), which
stores the MAC address.
Signed-off-by: Tianling Shen <cnsztl@gmail.com>
---
arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts | 9 +++++++++
1 file changed, 9 insertions(+)
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
@@ -68,6 +68,15 @@
status = "disabled";
};
+&i2c2 {
+ eeprom@51 {
+ compatible = "microchip,24c02", "atmel,24c02";
+ reg = <0x51>;
+ pagesize = <16>;
+ read-only; /* This holds our MAC */
+ };
+};
+
&i2c4 {
status = "disabled";
};
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