From fd573b2bf2d2cf61e835ea68bbaa34c71d4a70d7 Mon Sep 17 00:00:00 2001 From: Tianling Shen Date: Thu, 15 Sep 2022 10:25:11 +0800 Subject: [PATCH] arm64: dts: rockchip: Add RK3399 NanoPi R4S Enterprise Edition The only diffrence against the standrard edition is that the enterprise one has a built-in EEPROM chip which stores a globally unique MAC address. Signed-off-by: Tianling Shen Link: https://lore.kernel.org/r/20220915022511.4267-2-cnsztl@gmail.com Signed-off-by: Heiko Stuebner --- arch/arm64/boot/dts/rockchip/Makefile | 1 + .../rockchip/rk3399-nanopi-r4s-enterprise.dts | 29 +++++++++++++++++++ 2 files changed, 30 insertions(+) create mode 100644 arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s-enterprise.dts --- a/arch/arm64/boot/dts/rockchip/Makefile +++ b/arch/arm64/boot/dts/rockchip/Makefile @@ -37,6 +37,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-na dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-m4b.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-neo4.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-r4s.dtb +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-r4s-enterprise.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-orangepi.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-pinebook-pro.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-puma-haikou.dtb --- /dev/null +++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s-enterprise.dts @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +/dts-v1/; +#include "rk3399-nanopi-r4s.dts" + +/ { + model = "FriendlyElec NanoPi R4S Enterprise Edition"; + compatible = "friendlyarm,nanopi-r4s-enterprise", "rockchip,rk3399"; +}; + +&gmac { + nvmem-cells = <&mac_address>; + nvmem-cell-names = "mac-address"; +}; + +&i2c2 { + eeprom@51 { + compatible = "microchip,24c02", "atmel,24c02"; + reg = <0x51>; + pagesize = <16>; + size = <256>; + #address-cells = <1>; + #size-cells = <1>; + + mac_address: mac-address@fa { + reg = <0xfa 0x06>; + }; + }; +};