endef
TARGET_DEVICES += firefly_roc-rk3328-cc
+define Device/friendlyarm_nanopi-r2c
+ DEVICE_VENDOR := FriendlyARM
+ DEVICE_MODEL := NanoPi R2C
+ SOC := rk3328
+ IMAGE/sysupgrade.img.gz := boot-common | boot-script | pine64-img | gzip | append-metadata
+ DEVICE_PACKAGES := kmod-usb-net-rtl8152
+endef
+TARGET_DEVICES += friendlyarm_nanopi-r2c
+
define Device/friendlyarm_nanopi-r2s
DEVICE_VENDOR := FriendlyARM
DEVICE_MODEL := NanoPi R2S
--- /dev/null
+From 004589ff9df5b75672a78b6c3c4cba93202b14c9 Mon Sep 17 00:00:00 2001
+From: Tianling Shen <cnsztl@gmail.com>
+Date: Sat, 25 Mar 2023 15:40:20 +0800
+Subject: [PATCH] arm64: dts: rockchip: Add FriendlyARM NanoPi R2C
+
+The NanoPi R2C is a minor variant of NanoPi R2S with the on-board NIC
+chip changed from rtl8211e to yt8521s, and otherwise identical to R2S.
+
+Signed-off-by: Tianling Shen <cnsztl@gmail.com>
+Link: https://lore.kernel.org/r/20230325074022.9818-3-cnsztl@gmail.com
+Signed-off-by: Heiko Stuebner <heiko@sntech.de>
+---
+ arch/arm64/boot/dts/rockchip/Makefile | 1 +
+ .../boot/dts/rockchip/rk3328-nanopi-r2c.dts | 40 +++++++++++++++++++
+ 2 files changed, 41 insertions(+)
+ create mode 100644 arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2c.dts
+
+--- a/arch/arm64/boot/dts/rockchip/Makefile
++++ b/arch/arm64/boot/dts/rockchip/Makefile
+@@ -9,6 +9,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3318-a9
+ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3326-odroid-go2.dtb
+ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-a1.dtb
+ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-evb.dtb
++dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-nanopi-r2c.dtb
+ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-nanopi-r2s.dtb
+ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-rock64.dtb
+ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-rock-pi-e.dtb
+--- /dev/null
++++ b/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2c.dts
+@@ -0,0 +1,40 @@
++// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
++/*
++ * Copyright (c) 2021 FriendlyElec Computer Tech. Co., Ltd.
++ * (http://www.friendlyarm.com)
++ *
++ * Copyright (c) 2021-2023 Tianling Shen <cnsztl@gmail.com>
++ */
++
++/dts-v1/;
++#include "rk3328-nanopi-r2s.dts"
++
++/ {
++ model = "FriendlyElec NanoPi R2C";
++ compatible = "friendlyarm,nanopi-r2c", "rockchip,rk3328";
++};
++
++&gmac2io {
++ phy-handle = <&yt8521s>;
++ tx_delay = <0x22>;
++ rx_delay = <0x12>;
++
++ mdio {
++ /delete-node/ ethernet-phy@1;
++
++ yt8521s: ethernet-phy@3 {
++ compatible = "ethernet-phy-ieee802.3-c22";
++ reg = <3>;
++
++ motorcomm,clk-out-frequency-hz = <125000000>;
++ motorcomm,keep-pll-enabled;
++ motorcomm,auto-sleep-disabled;
++
++ pinctrl-0 = <ð_phy_reset_pin>;
++ pinctrl-names = "default";
++ reset-assert-us = <10000>;
++ reset-deassert-us = <50000>;
++ reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
++ };
++ };
++};