Re: [PATCH] arm64: dts: Add basic support for BIQU CB1

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On 14/11/2022 17:25, Martin Botka wrote:
> CB1 is Compute Module style board that plugs into Rpi board style adapter or
> Manta 3D printer boards (M4P/M8P).
> 
> The board has:
> 	H616 SoC
> 	1GB of RAM
> 	AXP313A PMIC
> 
> And the actual boards that CB1 plugs in are just extension to it with ports and
> thus are not split in DT.
> 
> Boards have:
> 	4x (3x for Manta boards) USB and 1 USB OTG.
> 	SDcard slot for loading images.
> 	Ethernet port wired to the internal PHY.
> 	2x HDMI 2.0.
> 	Power and Status LEDs.
> 
> Currently working:
> 	Booting
> 	USB
> 	UART
> 
> Signed-off-by: Martin Botka <martin.botka@xxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/allwinner/Makefile        |   1 +
>  .../dts/allwinner/sun50i-h616-biqu-cb1.dts    | 191 ++++++++++++++++++
>  2 files changed, 192 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h616-biqu-cb1.dts
> 
> diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
> index 6a96494a2e0a..223f1be73541 100644
> --- a/arch/arm64/boot/dts/allwinner/Makefile
> +++ b/arch/arm64/boot/dts/allwinner/Makefile
> @@ -38,5 +38,6 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64.dtb
>  dtb-$(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-$(CONFIG_ARCH_SUNXI) += sun50i-h616-biqu-cb1.dtb
>  dtb-$(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-biqu-cb1.dts b/arch/arm64/boot/dts/allwinner/sun50i-h616-biqu-cb1.dts
> new file mode 100644
> index 000000000000..2225a965dddc
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-biqu-cb1.dts
> @@ -0,0 +1,191 @@
> +// SPDX-License-Identifier: (GPL-2.0+ or MIT)
> +/*
> + * Copyright (C) 2022 Arm Ltd.
> + */
> +
> +/dts-v1/;
> +
> +#include "sun50i-h616.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/leds/common.h>
> +
> +/ {
> +	model = "BIQU CB1";
> +	compatible = "allwinner,sun50i-h616";

That's not a proper board compatible.

> +
> +	aliases {
> +		serial0 = &uart0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		led-0 {
> +			function = LED_FUNCTION_POWER;
> +			color = <LED_COLOR_ID_RED>;
> +			gpios = <&pio 2 12 GPIO_ACTIVE_HIGH>; /* PC12 */
> +			default-state = "on";
> +		};
> +
> +		led-1 {
> +			function = LED_FUNCTION_STATUS;
> +			color = <LED_COLOR_ID_GREEN>;
> +			gpios = <&pio 2 13 GPIO_ACTIVE_HIGH>; /* PC13 */
> +		};
> +	};
> +
> +	reg_vcc5v: vcc5v {

regulator prefix. Keep it consistent.

> +		/* board wide 5V supply directly from the USB-C socket */
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc-5v";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		regulator-always-on;
> +	};
> +
> +	reg_usb1_vbus: regulator-usb1-vbus {
> +		compatible = "regulator-fixed";
> +		regulator-name = "usb1-vbus";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		vin-supply = <&reg_vcc5v>;
> +		enable-active-high;
> +		gpio = <&pio 2 16 GPIO_ACTIVE_HIGH>; /* PC16 */
> +	};
> +};
> +
> +&ehci0 {
> +	status = "okay";
> +};
> +
> +&ehci1 {
> +	status = "okay";
> +};
> +
> +&ehci2 {
> +	status = "okay";
> +};
> +
> +&ehci3 {
> +	status = "okay";
> +};
> +
> +&mmc0 {
> +	vmmc-supply = <&reg_dldo1>;
> +	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;	/* PF6 */
> +	no-1-8-v;
> +	bus-width = <4>;
> +	status = "disabled";
> +};
> +
> +&ohci0 {
> +	status = "okay";
> +};
> +
> +&ohci1 {
> +	status = "okay";
> +};
> +
> +&ohci2 {
> +	status = "okay";
> +};
> +
> +&ohci3 {
> +	status = "okay";
> +};
> +
> +&r_i2c {
> +	status = "okay";
> +
> +	axp1530: pmic@36 {
> +		compatible = "x-powers,axp1530";
> +		status = "okay";

Drop.

> +		reg = <0x36>;
> +		wakeup-source;
> +
> +		standby_param: standby_param {

Does not look like supported/documented/valid property. Test your DTS
with `make dtbs_check`.


Best regards,
Krzysztof




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