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