Re: [PATCH 2/2] arm64: dts: rockchip: Add devicetree for the FriendlyElec NanoPi R28S
From: Chukun Pan
Date: Mon Sep 07 2026 - 08:30:36 EST
Hi,
> --- a/arch/arm64/boot/dts/rockchip/Makefile
> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-nanopi-r28s.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-nanopi-zero2.dtb
This device tree has many similarities to the nanopi zero2.
Can you create a shared device tree?
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3528-nanopi-r28s.dts
https://wiki.friendlyelec.com/wiki/images/7/7c/NanoPi_R28S_2605_SCH.pdf
Please name the labels according to the schematic.
> + pinctrl-names = "default";
> + pinctrl-0 = <&user_key>;
Schematic label: GPIO4_B2_USR_BTN
> + button-reset {
> + debounce-interval = <50>;
> + gpios = <&gpio4 RK_PB2 GPIO_ACTIVE_LOW>;
> + label = "reset";
> + linux,code = <KEY_RESTART>;
label = "USER";
> + leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&lan_led_g>, <&sys_led_r>, <&wan_led_g>;
Schematic label: LED1 LED2 LED_SYS
> + sdio_pwrseq: sdio-pwrseq {
> + compatible = "mmc-pwrseq-simple";
> + pinctrl-names = "default";
> + pinctrl-0 = <&wifi_enable_h>;
Schematic label: PWR_WF
> +&pcie {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pcie_reset_h>;
Schematic label: PCIE_ETH_PERSTB