diff options
Diffstat (limited to 'target/linux/rockchip/patches-5.4/008-arm64-dts-rockchip-add-EEPROM-node-for-NanoPi-R4S.patch')
| -rw-r--r-- | target/linux/rockchip/patches-5.4/008-arm64-dts-rockchip-add-EEPROM-node-for-NanoPi-R4S.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/rockchip/patches-5.4/008-arm64-dts-rockchip-add-EEPROM-node-for-NanoPi-R4S.patch b/target/linux/rockchip/patches-5.4/008-arm64-dts-rockchip-add-EEPROM-node-for-NanoPi-R4S.patch new file mode 100644 index 0000000000..792028b292 --- /dev/null +++ b/target/linux/rockchip/patches-5.4/008-arm64-dts-rockchip-add-EEPROM-node-for-NanoPi-R4S.patch @@ -0,0 +1,31 @@ +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"; + }; |