Re: [PATCH v4 4/4] arm64: dts: allwinner: h616: Add BigTreeTech Pi support

[Icenowy Zheng]

在 2023-08-07星期一的 16:53 +0200，Martin Botka写道：
> The BigTreeTech Pi is an H616 based board based on CB1.
> Just in Rpi format board.
> 
> It features the same internals as BTT CB1 but adds:
>     - Fan port
>     - IR receiver
>     - ADXL345 Accelerometer connector via SPI
>     - 24V DC power supply via terminal plugs
>     - USB to CAN module connector (The actual USB to CAN happens on
> the external module)
> 
> List of currently working things is same as BTT CB1 but also:
>     - IR receiver
>     - ADXL345 connector
> 
> Signed-off-by: Martin Botka <martin@xxxxxxxxxx>
> Reviewed-by: Andre Przywara <andre.przywara@xxxxxxx>
> ---
> Changes in V2:
>     - Add UART alongside aliases and chosen for it
>     - Add model string
>     - Enable IR receiver
>     - Enable SPI0 for ADXL345 connector
> Changes in V3:
>     - Add missing semicolons
>     - Add pinctrl for SPI0
> 
>  arch/arm64/boot/dts/allwinner/Makefile        |  1 +
>  .../allwinner/sun50i-h616-bigtreetech-pi.dts  | 70
> +++++++++++++++++++
>  2 files changed, 71 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h616-
> bigtreetech-pi.dts
> 
> diff --git a/arch/arm64/boot/dts/allwinner/Makefile
> b/arch/arm64/boot/dts/allwinner/Makefile
> index 7b386428510b..0b6232a7f328 100644
> --- a/arch/arm64/boot/dts/allwinner/Makefile
> +++ b/arch/arm64/boot/dts/allwinner/Makefile
> @@ -39,5 +39,6 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64-
> model-b.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-tanix-tx6.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-tanix-tx6-mini.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-bigtreetech-cb1-manta.dtb
> +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-bigtreetech-pi.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-orangepi-zero2.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-x96-mate.dtb
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-bigtreetech-
> pi.dts b/arch/arm64/boot/dts/allwinner/sun50i-h616-bigtreetech-pi.dts
> new file mode 100644
> index 000000000000..b0d0386e8f13
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-bigtreetech-pi.dts
> @@ -0,0 +1,70 @@
> +// SPDX-License-Identifier: (GPL-2.0+ or MIT)
> +/*
> + * Copyright (C) 2023 Martin Botka <martin@xxxxxxxxxx>.
> + */
> +
> +/dts-v1/;
> +
> +#include "sun50i-h616-bigtreetech-cb1.dtsi"
> +
> +/ {
> +       model = "BigTreeTech Pi";
> +       compatible = "bigtreetech,pi", "allwinner,sun50i-h616";

As you say it's based on CB1 too, why no CB1 compatible here? (although
the manta compatible won't apply)

> +
> +       aliases {
> +               serial0 = &uart0;
> +       };
> +
> +       chosen {
> +               stdout-path = "serial0:115200n8";
> +       };
> +};
> +
> +&ehci0 {
> +       status = "okay";
> +};
> +
> +&ehci1 {
> +       status = "okay";
> +};
> +
> +&ehci2 {
> +       status = "okay";
> +};
> +
> +&ehci3 {
> +       status = "okay";
> +};
> +
> +&ir {
> +       status = "okay";
> +};
> +
> +&ohci0 {
> +       status = "okay";
> +};
> +
> +&ohci1 {
> +       status = "okay";
> +};
> +
> +&ohci2 {
> +       status = "okay";
> +};
> +
> +&ohci3 {
> +       status = "okay";
> +};
> +
> +&spi0 {
> +       /* SPI connection for onboard connector for ADXL345
> accelerometer */
> +       status = "okay";
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&spi0_pins>, <&spi0_cs0_pin>;
> +};
> +
> +&uart0 {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&uart0_ph_pins>;
> +       status = "okay";
> +};