[PATCH v3 09/11] ARM: dts: suniv: add device tree for PopStick v1.1

[Samuel Holland]

On 11/6/22 09:48, Andre Przywara wrote:
> From: Icenowy Zheng <uwu at icenowy.me>
> 
> PopStick is a minimal Allwinner F1C200s dongle, with its USB controller
> wired to a USB Type-A port, a SD slot and a SPI NAND flash on board, and
> an on-board CH340 USB-UART converted connected to F1C200s's UART0.
> 
> Add a device tree for it. As F1C200s is just F1C100s with a different
> DRAM chip co-packaged, directly use F1C100s DTSI here.
> 
> This commit covers the v1.1 version of this board, which is now shipped.
> v1.0 is some internal sample that have not been shipped at all.
> 
> Signed-off-by: Icenowy Zheng <uwu at icenowy.me>
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>
> ---
>  arch/arm/boot/dts/Makefile                    |  3 +-
>  .../boot/dts/suniv-f1c200s-popstick-v1.1.dts  | 99 +++++++++++++++++++
>  2 files changed, 101 insertions(+), 1 deletion(-)
>  create mode 100644 arch/arm/boot/dts/suniv-f1c200s-popstick-v1.1.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 6aa7dc4db2fc..0249c07bd8a6 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1391,7 +1391,8 @@ dtb-$(CONFIG_MACH_SUN9I) += \
>  	sun9i-a80-optimus.dtb \
>  	sun9i-a80-cubieboard4.dtb
>  dtb-$(CONFIG_MACH_SUNIV) += \
> -	suniv-f1c100s-licheepi-nano.dtb
> +	suniv-f1c100s-licheepi-nano.dtb \
> +	suniv-f1c200s-popstick-v1.1.dtb
>  dtb-$(CONFIG_ARCH_TEGRA_2x_SOC) += \
>  	tegra20-acer-a500-picasso.dtb \
>  	tegra20-asus-tf101.dtb \
> diff --git a/arch/arm/boot/dts/suniv-f1c200s-popstick-v1.1.dts b/arch/arm/boot/dts/suniv-f1c200s-popstick-v1.1.dts
> new file mode 100644
> index 000000000000..7d69b5fcb905
> --- /dev/null
> +++ b/arch/arm/boot/dts/suniv-f1c200s-popstick-v1.1.dts
> @@ -0,0 +1,99 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2022 Icenowy Zheng <uwu at icenowy.me>
> + */
> +
> +/dts-v1/;
> +#include "suniv-f1c100s.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/leds/common.h>
> +
> +/ {
> +	model = "Popcorn Computer PopStick v1.1";
> +	compatible = "sourceparts,popstick-v1.1", "sourceparts,popstick",
> +		     "allwinner,suniv-f1c200s", "allwinner,suniv-f1c100s";
> +
> +	aliases {
> +		serial0 = &uart0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		led {
> +			function = LED_FUNCTION_STATUS;
> +			color = <LED_COLOR_ID_GREEN>;
> +			gpios = <&pio 4 6 GPIO_ACTIVE_HIGH>; /* PE6 */
> +			linux,default-trigger = "heartbeat";
> +		};
> +	};
> +
> +	reg_vcc3v3: regulator-3v3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc3v3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +	};
> +};
> +
> +&mmc0 {
> +	cd-gpios = <&pio 4 3 GPIO_ACTIVE_LOW>; /* PE3 */
> +	bus-width = <4>;
> +	disable-wp;
> +	vmmc-supply = <&reg_vcc3v3>;
> +	status = "okay";
> +};
> +
> +&otg_sram {
> +	status = "okay";
> +};
> +
> +&spi0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&spi0_pc_pins>;
> +	status = "okay";
> +
> +	flash at 0 {
> +		compatible = "spi-nand";
> +		reg = <0>;
> +		spi-max-frequency = <40000000>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +
> +		partitions {
> +			compatible = "fixed-partitions";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +
> +			partition at 0 {
> +				label = "u-boot-with-spl";
> +				reg = <0x0 0x100000>;
> +			};
> +
> +			ubi at 100000 {
> +				label = "ubi";
> +				reg = <0x100000 0x7f00000>;
> +			};
> +		};
> +	};
> +};
> +
> +&uart0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart0_pe_pins>;
> +	status = "okay";
> +};
> +
> +&usb_otg {
> +	dr_mode = "peripheral";

The patch description says the board has a USB Type-A port. Why is the
USB controller set to peripheral mode?

Regards,
Samuel

> +	status = "okay";
> +};
> +
> +&usbphy {
> +	status = "okay";
> +};