linux-kernel - Re: [PATCH v2 2/2] ARM: dts: sun5i: Add PocketBook 614 Plus support

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Message-ID: <1959471.PYKUYFuaPT@jernej-laptop>
Date: Tue, 26 Mar 2024 23:37:26 +0100
From: Jernej Škrabec <jernej.skrabec@...il.com>
To: Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
 Samuel Holland <samuel@...lland.org>, Maxime Ripard <mripard@...nel.org>,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
 Denis Burkov <hitechshell@...l.ru>
Cc: Denis Burkov <hitechshell@...l.ru>
Subject: Re: [PATCH v2 2/2] ARM: dts: sun5i: Add PocketBook 614 Plus support

Dne nedelja, 17. marec 2024 ob 09:34:45 CET je Denis Burkov napisal(a):
> What works:
> 
> - Serial console
> - mmc0, mmc2 (both microSD card slots on the board)
> - All buttons (gpio and lradc based)
> - Power LED
> - PMIC
> - RTC
> - USB OTG/gadgets mode
> 
> Signed-off-by: Denis Burkov <hitechshell@...l.ru>
> ---
>  arch/arm/boot/dts/allwinner/Makefile          |   1 +
>  .../sun5i-a13-pocketbook-614-plus.dts         | 215 ++++++++++++++++++
>  2 files changed, 216 insertions(+)
>  create mode 100644 arch/arm/boot/dts/allwinner/sun5i-a13-pocketbook-614-plus.dts
> 
> diff --git a/arch/arm/boot/dts/allwinner/Makefile b/arch/arm/boot/dts/allwinner/Makefile
> index 5fbb44ddacd0..6209243ad975 100644
> --- a/arch/arm/boot/dts/allwinner/Makefile
> +++ b/arch/arm/boot/dts/allwinner/Makefile
> @@ -61,6 +61,7 @@ dtb-$(CONFIG_MACH_SUN5I) += \
>  	sun5i-a13-olinuxino.dtb \
>  	sun5i-a13-olinuxino-micro.dtb \
>  	sun5i-a13-pocketbook-touch-lux-3.dtb \
> +	sun5i-a13-pocketbook-614-plus.dtb \
>  	sun5i-a13-q8-tablet.dtb \
>  	sun5i-a13-utoo-p66.dtb \
>  	sun5i-gr8-chip-pro.dtb \
> diff --git a/arch/arm/boot/dts/allwinner/sun5i-a13-pocketbook-614-plus.dts b/arch/arm/boot/dts/allwinner/sun5i-a13-pocketbook-614-plus.dts
> new file mode 100644
> index 000000000000..b5449301789a
> --- /dev/null
> +++ b/arch/arm/boot/dts/allwinner/sun5i-a13-pocketbook-614-plus.dts
> @@ -0,0 +1,215 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright 2024 Denis Burkov <hitechshell@...l.ru>
> + */
> +
> +/dts-v1/;
> +#include "sun5i-a13.dtsi"
> +#include "sunxi-common-regulators.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +
> +/ {
> +	model = "PocketBook 614 Plus";
> +	compatible = "pocketbook,614-plus", "allwinner,sun5i-a13";
> +
> +	aliases {
> +		serial0 = &uart1;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		led {

led-0 is preferred by the DT binding. Please also add function and color
properties.

Please run DT check with W=2 to catch andy other potential issues.

Best regards,
Jernej

> +			gpios = <&pio 4 8 GPIO_ACTIVE_LOW>; /* PE8 */
> +			default-state = "on";
> +		};
> +	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +
> +		key-right {

Key node names should contain key-[number], starting with 0.

> +			label = "Right";
> +			linux,code = <KEY_NEXT>;
> +			gpios = <&pio 6 9 GPIO_ACTIVE_LOW>; /* PG9 */
> +		};
> +
> +		key-left {
> +			label = "Left";
> +			linux,code = <KEY_PREVIOUS>;
> +			gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 */
> +		};
> +	};
> +
> +	reg_3v3_mmc0: regulator-mmc0 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vdd-mmc0";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		gpio = <&pio 4 4 GPIO_ACTIVE_LOW>; /* PE4 */
> +		vin-supply = <&reg_vcc3v3>;
> +	};
> +};
> +
> +&cpu0 {
> +	cpu-supply = <&reg_dcdc2>;
> +};
> +
> +&ehci0 {
> +	status = "okay";
> +};
> +
> +&i2c0 {
> +	status = "okay";
> +
> +	axp209: pmic@34 {
> +		compatible = "x-powers,axp209";
> +		reg = <0x34>;
> +		interrupts = <0>;
> +	};
> +};
> +
> +#include "axp209.dtsi"
> +
> +&i2c1 {
> +	status = "okay";
> +
> +	pcf8563: rtc@51 {
> +		compatible = "nxp,pcf8563";
> +		reg = <0x51>;
> +		#clock-cells = <0>;
> +	};
> +};
> +
> +&lradc {
> +	vref-supply = <&reg_ldo2>;
> +	status = "okay";
> +
> +	button-300 {
> +		label = "Down";
> +		linux,code = <KEY_DOWN>;
> +		channel = <0>;
> +		voltage = <300000>;
> +	};
> +
> +	button-700 {
> +		label = "Up";
> +		linux,code = <KEY_UP>;
> +		channel = <0>;
> +		voltage = <700000>;
> +	};
> +
> +	button-1000 {
> +		label = "Left";
> +		linux,code = <KEY_LEFT>;
> +		channel = <0>;
> +		voltage = <1000000>;
> +	};
> +
> +	button-1200 {
> +		label = "Menu";
> +		linux,code = <KEY_MENU>;
> +		channel = <0>;
> +		voltage = <1200000>;
> +	};
> +
> +	button-1500 {
> +		label = "Right";
> +		linux,code = <KEY_RIGHT>;
> +		channel = <0>;
> +		voltage = <1500000>;
> +	};
> +};
> +
> +&mmc0 {
> +	vmmc-supply = <&reg_3v3_mmc0>;
> +	bus-width = <4>;
> +	cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
> +	status = "okay";
> +};
> +
> +&mmc2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&mmc2_4bit_pc_pins>;
> +	vmmc-supply = <&reg_vcc3v3>;
> +	bus-width = <4>;
> +	non-removable;
> +	status = "okay";
> +};
> +
> +&ohci0 {
> +	status = "okay";
> +};
> +
> +&otg_sram {
> +	status = "okay";
> +};
> +
> +&reg_dcdc2 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <1000000>;
> +	regulator-max-microvolt = <1500000>;
> +	regulator-name = "vdd-cpu";
> +};
> +
> +&reg_dcdc3 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <1000000>;
> +	regulator-max-microvolt = <1400000>;
> +	regulator-name = "vdd-int-dll";
> +};
> +
> +&reg_ldo1 {
> +	regulator-name = "vdd-rtc";
> +};
> +
> +&reg_ldo2 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <3000000>;
> +	regulator-max-microvolt = <3000000>;
> +	regulator-name = "avcc";
> +};
> +
> +&reg_usb0_vbus {
> +	status = "okay";
> +	gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
> +};
> +
> +&reg_usb1_vbus {
> +	gpio = <&pio 6 11 GPIO_ACTIVE_HIGH>; /* PG11 */
> +	status = "okay";
> +};
> +
> +&uart1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart1_pg_pins>;
> +	status = "okay";
> +};
> +
> +&usb_otg {
> +	dr_mode = "otg";
> +	status = "okay";
> +};
> +
> +&usb_power_supply {
> +	status = "okay";
> +};
> +
> +&battery_power_supply {
> +	status = "okay";
> +};
> +
> +&usbphy {
> +	usb0_id_det-gpios = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
> +	usb0_vbus_det-gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>;
> +	usb0_vbus-supply = <&reg_usb0_vbus>;
> +	usb1_vbus-supply = <&reg_usb1_vbus>;
> +	status = "okay";
> +};
>