linux-kernel - Re: [PATCH 4/4] ARM: dts: sunxi: add MangoPi MQ-R board

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Message-ID: <93915db1-9089-9c58-62f3-6a424c57bfa5@linaro.org>
Date:   Fri, 6 Jan 2023 10:21:48 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andre Przywara <andre.przywara@....com>,
        Samuel Holland <samuel@...lland.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Chen-Yu Tsai <wens@...e.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Icenowy Zheng <uwu@...nowy.me>,
        András Szemzö <szemzo.andras@...il.com>,
        Fabien Poussin <fabien.poussin@...il.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-sunxi@...ts.linux.dev, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Olof Johansson <olof@...om.net>, soc@...nel.org
Subject: Re: [PATCH 4/4] ARM: dts: sunxi: add MangoPi MQ-R board

On 06/01/2023 02:01, Andre Przywara wrote:
> The MangoPi MQ-R is a small SBC with the Allwinner T113-s3 SoC.
> The SoC features two Arm Cortex-A7 cores and 128 MB of co-packaged DDR3
> DRAM. The board adds mostly connectors and the required regulators, plus
> a Realtek RTL8189FTV WiFi chip.
> Power comes in via a USB-C connector wired as a peripheral, and there is
> a second USB-C connector usable as a host port.
> 
> Signed-off-by: Andre Przywara <andre.przywara@....com>
> ---
>  arch/arm/boot/dts/Makefile                    |   1 +
>  .../arm/boot/dts/sun8i-t113s-mangopi-mq-r.dts | 160 ++++++++++++++++++
>  2 files changed, 161 insertions(+)
>  create mode 100644 arch/arm/boot/dts/sun8i-t113s-mangopi-mq-r.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index d08a3c450ce72..39fd893682924 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1390,6 +1390,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \
>  	sun8i-s3-elimo-initium.dtb \
>  	sun8i-s3-lichee-zero-plus.dtb \
>  	sun8i-s3-pinecube.dtb \
> +	sun8i-t113s-mangopi-mq-r.dtb \
>  	sun8i-t3-cqa3t-bv3.dtb \
>  	sun8i-v3-sl631-imx179.dtb \
>  	sun8i-v3s-licheepi-zero.dtb \
> diff --git a/arch/arm/boot/dts/sun8i-t113s-mangopi-mq-r.dts b/arch/arm/boot/dts/sun8i-t113s-mangopi-mq-r.dts
> new file mode 100644
> index 0000000000000..ed4d5217d7b0d
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun8i-t113s-mangopi-mq-r.dts
> @@ -0,0 +1,160 @@
> +// SPDX-License-Identifier: (GPL-2.0+ or MIT)
> +// Copyright (C) 2022 Arm Ltd.
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/leds/common.h>
> +
> +/dts-v1/;
> +
> +#include "sun8i-t113s.dtsi"
> +
> +/ {
> +	model = "MangoPi MQ-R";
> +	compatible = "widora,mangopi-mq-r", "allwinner,sun8i-t113s";
> +
> +	aliases {
> +		ethernet0 = &rtl8189ftv;
> +		serial3 = &uart3;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial3:115200n8";
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		led-0 {
> +			color = <LED_COLOR_ID_BLUE>;
> +			function = LED_FUNCTION_STATUS;
> +			gpios = <&pio 3 22 GPIO_ACTIVE_LOW>; /* PD22 */
> +		};
> +	};
> +
> +	/* board wide 5V supply directly from the USB-C socket */
> +	reg_vcc5v: vcc5v {

Generic node names, so matching style of other - with regulator prefix.

> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc-5v";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		regulator-always-on;
> +	};
> +
> +	/* SY8008 DC/DC regulator on the board */
> +	reg_3v3: regulator-3v3 {


Best regards,
Krzysztof