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/?...

Signed-off-by: Tianling Shen cnsztl@gmail.com --- arch/arm/dts/Makefile | 1 + arch/arm/dts/rk3328-nanopi-r2c-u-boot.dtsi | 3 ++ arch/arm/dts/rk3328-nanopi-r2c.dts | 40 ++++++++++++++++++++++ board/rockchip/evb_rk3328/MAINTAINERS | 6 ++++ 4 files changed, 50 insertions(+) create mode 100644 arch/arm/dts/rk3328-nanopi-r2c-u-boot.dtsi create mode 100644 arch/arm/dts/rk3328-nanopi-r2c.dts

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 0a9b1f7749..9876012826 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -123,6 +123,7 @@ dtb-$(CONFIG_ROCKCHIP_RK3308) += \

dtb-$(CONFIG_ROCKCHIP_RK3328) += \ rk3328-evb.dtb \ + rk3328-nanopi-r2c.dtb \ rk3328-nanopi-r2s.dtb \ rk3328-roc-cc.dtb \ rk3328-rock64.dtb \ diff --git a/arch/arm/dts/rk3328-nanopi-r2c-u-boot.dtsi b/arch/arm/dts/rk3328-nanopi-r2c-u-boot.dtsi new file mode 100644 index 0000000000..2ab32cf00a --- /dev/null +++ b/arch/arm/dts/rk3328-nanopi-r2c-u-boot.dtsi @@ -0,0 +1,3 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "rk3328-nanopi-r2s-u-boot.dtsi" diff --git a/arch/arm/dts/rk3328-nanopi-r2c.dts b/arch/arm/dts/rk3328-nanopi-r2c.dts new file mode 100644 index 0000000000..a07a26b944 --- /dev/null +++ b/arch/arm/dts/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 = <&eth_phy_reset_pin>; + pinctrl-names = "default"; + reset-assert-us = <10000>; + reset-deassert-us = <50000>; + reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>; + }; + }; +}; diff --git a/board/rockchip/evb_rk3328/MAINTAINERS b/board/rockchip/evb_rk3328/MAINTAINERS index 14fda46e8f..3c46613ab5 100644 --- a/board/rockchip/evb_rk3328/MAINTAINERS +++ b/board/rockchip/evb_rk3328/MAINTAINERS @@ -5,6 +5,12 @@ F: board/rockchip/evb_rk3328 F: include/configs/evb_rk3328.h F: configs/evb-rk3328_defconfig

+NANOPI-R2C-RK3328 +M: Tianling Shen cnsztl@gmail.com +S: Maintained +F: configs/nanopi-r2c-rk3328_defconfig +F: arch/arm/dts/rk3328-nanopi-r2c-u-boot.dtsi + NANOPI-R2S-RK3328 M: David Bauer mail@david-bauer.net S: Maintained