linux-kernel - [PATCH 2/2] arm64: dts: rockchip: rk3399: Add NanoPi R4S Enterprise Edition

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Date:   Thu, 15 Sep 2022 10:25:11 +0800
From:   Tianling Shen <cnsztl@...il.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Tianling Shen <cnsztl@...il.com>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] arm64: dts: rockchip: rk3399: Add 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 <cnsztl@...il.com>
---
 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

diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index ef79a672804a..04562f8b10ac 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -40,6 +40,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-m4.dtb
 dtb-$(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
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s-enterprise.dts b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s-enterprise.dts
new file mode 100644
index 000000000000..a23d11ca0eb6
--- /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>;
+		};
+	};
+};
-- 
2.25.1