@@ -14,6 +14,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3326-odroid-go2-v11.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3326-odroid-go3.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-$(CONFIG_ARCH_ROCKCHIP) += rk3328-orangepi-r1-plus.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-rock64.dtb
new file mode 100644
@@ -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>;
+ };
+ };
+};
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> --- 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