Hi Tianling, On 2024-10-22 19:38, Tianling Shen wrote: > Hi Jonas, > > On Wed, Oct 23, 2024 at 12:49 AM Jonas Karlman <jonas@xxxxxxxxx> wrote: >> >> Hi Tianling, >> >> On 2024-10-20 19:39, Tianling Shen wrote: >>> The NanoPi R3S(as "R3S") is an open source platform with dual-Gbps >>> Ethernet ports designed and developed by FriendlyElec for IoT >>> applications. >>> >>> Specification: >>> - Rockchip RK3566 >>> - 2GB LPDDR4X RAM >>> - optional 32GB eMMC module >>> - SD card slot >>> - 2x 1000 Base-T >>> - 3x LEDs (POWER, LAN, WAN) >>> - 2x Buttons (Reset, MaskROM) >>> - 1x USB 3.0 Port >>> - Type-C 5V 2A Power >>> >>> Signed-off-by: Tianling Shen <cnsztl@xxxxxxxxx> >>> --- >>>  arch/arm64/boot/dts/rockchip/Makefile     |  1 + >>>  .../boot/dts/rockchip/rk3566-nanopi-r3s.dts  | 554 ++++++++++++++++++ >>>  2 files changed, 555 insertions(+) >>>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3566-nanopi-r3s.dts >>> >>> diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile >>> index 8e1025cb5d20..e641033d23d1 100644 >>> --- a/arch/arm64/boot/dts/rockchip/Makefile >>> +++ b/arch/arm64/boot/dts/rockchip/Makefile >>> @@ -109,6 +109,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-soquartz-model-a.dtb >>>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-box-demo.dtb >>>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-lckfb-tspi.dtb >>>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-lubancat-1.dtb >>> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-nanopi-r3s.dtb >>>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-bpi-r2-pro.dtb >>>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-evb1-v10.dtb >>>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-fastrhino-r66s.dtb >>> diff --git a/arch/arm64/boot/dts/rockchip/rk3566-nanopi-r3s.dts b/arch/arm64/boot/dts/rockchip/rk3566-nanopi-r3s.dts >>> new file mode 100644 >>> index 000000000000..951dd9bcb4b0 >>> --- /dev/null >>> +++ b/arch/arm64/boot/dts/rockchip/rk3566-nanopi-r3s.dts >>> @@ -0,0 +1,554 @@ >>> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT >>> +/* >>> + * Copyright (c) 2020 Rockchip Electronics Co., Ltd. >>> + * >>> + * Copyright (c) 2024 FriendlyElec Computer Tech. Co., Ltd. >>> + * (http://www.friendlyarm.com/ This could probably be updated to use https://www.friendlyelec.com/ >>> + * >>> + * Copyright (c) 2024 Tianling Shen <cnsztl@xxxxxxxxx> >>> + */ >>> + >>> +/dts-v1/; >>> +#include <dt-bindings/gpio/gpio.h> >>> +#include <dt-bindings/input/input.h> >>> +#include <dt-bindings/leds/common.h> >>> +#include <dt-bindings/pinctrl/rockchip.h> >>> +#include <dt-bindings/soc/rockchip,vop2.h> >>> +#include "rk3566.dtsi" >>> + >>> +/ { >>> +   model = "FriendlyARM NanoPi R3S"; >> >> Please use the marketing name, and the name added in binding: >> >>   FriendlyElec NanoPi R3S > > Sorry for the copy & paste error, will fix it in new patch. The commit subject could probably also be updated :-) > >> >>> +   compatible = "friendlyarm,nanopi-r3s", "rockchip,rk3566"; >>> + >>> +   aliases { >>> +       ethernet0 = &gmac1; >>> +       mmc0 = &sdmmc0; >>> +       mmc1 = &sdhci; >> >> This board comes with on-board eMMC this please use mmc0 as alias for >> &sdhci; and mmc1 for sd-card. > > Is using mmc0 for sdhci a common practice for eMMC boards? > The eMMC module on R3S is optional and users may get boards without it. Typically any non-removable storage (emmc) is listed before removable storage (sd-card) options. Also U-Boot will try to override and use mmc0=sdhci and mmc1=sdmmc0 for all rk356x boards, so for EFI booing using control FDT the alias may be different. Regards, Jonas [snip]