u-boot/arch/arm/dts/rk3328-nanopi-r2c.dts
Tianling Shen 7000a60947 rockchip: rk3328: Add support for 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.

The device tree is taken from the kernel linux-next branch:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=004589ff9df5b75672a78b6c3c4cba93202b14c9

Signed-off-by: Tianling Shen <cnsztl@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
2023-05-09 18:58:25 +08:00

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// 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 = <&eth_phy_reset_pin>;
pinctrl-names = "default";
reset-assert-us = <10000>;
reset-deassert-us = <50000>;
reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
};
};
};