Re: [PATCH v2 3/3] arm64: dts: rockchip: add Anbernic RG353P and RG503

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On 20/08/2022 01:25, Chris Morgan wrote:
> From: Chris Morgan <macromorgan@xxxxxxxxxxx>
> 
> Anbernic RG353P and RG503 are both RK3566 based handheld gaming devices
> from Anbernic.
> 
> Both devices have:
>  - 2 SDMMC slots.
>  - A Realtek rtl8821cs WiFi/Bluetooth adapter.
>  - A mini HDMI port.
>  - A USB C host port and a USB C otg port (currently only working as
>    device).
>  - Multiple GPIO buttons and a single ADC button.
>  - Dual analog joysticks controlled via a GPIO mux.
>  - A headphone jack with amplified stereo speakers via a SGM4865 amp.
>  - A PWM based vibrator for force feedback.
> 
> The RG353P has:
>  - 2GB LPDDR4 RAM.
>  - A 32GB eMMC.
>  - A 3.5 inch 640x480 4-lane DSI panel of unknown origin with an i2c
>    controlled touchscreen (touchscreen is a Hynitron CST340).
> 
> The RG503 has:
>  - 1GB LPDDR4 RAM.
>  - A 5 inch 960x544 AMOLED 2-lane DSI/DBI panel manufactured by Samsung
>    with part number ams495qa04. Data for this panel is provided via the
>    DSI interface, however commands are sent via a 9-bit 3-wire SPI
>    interface. The MISO pin of SPI3 of the SOC is wired to the input of
>    the panel, so it must be bitbanged.
> 
> This devicetree enables the following hardware:
>  - HDMI (plus audio).
>  - Analog audio, including speakers.
>  - All buttons.
>  - All SDMMC/eMMC/SDIO controllers.
>  - The ADC joysticks (note a pending patch is required to use them).
>  - WiFi/Bluetooth (note out of tree drivers are required).
>  - The PWM based vibrator motor.
> 
> The following hardware is not enabled:
>  - The display panels (drivers are being written and there are issues
>    with the upstream DSI and VOP2 subsystems).
>  - Battery (driver pending).
>  - Touchscreen on the RG353P (note the i2c2 bus is enabled for it).
> 
> Signed-off-by: Chris Morgan <macromorgan@xxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/rockchip/Makefile         |   2 +
>  .../dts/rockchip/rk3566-anbernic-rg353p.dts   | 103 +++
>  .../dts/rockchip/rk3566-anbernic-rg503.dts    |  93 ++
>  .../dts/rockchip/rk3566-anbernic-rgxx3.dtsi   | 821 ++++++++++++++++++
>  4 files changed, 1019 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353p.dts
>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg503.dts
>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3566-anbernic-rgxx3.dtsi
> 
> diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
> index ef79a672804a..1402274a78a0 100644
> --- a/arch/arm64/boot/dts/rockchip/Makefile
> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> @@ -57,6 +57,8 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rockpro64.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire-excavator.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399pro-rock-pi-n10.dtb
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-anbernic-rg353p.dtb
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-anbernic-rg503.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-pinenote-v1.1.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-pinenote-v1.2.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-quartz64-a.dtb
> diff --git a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353p.dts b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353p.dts
> new file mode 100644
> index 000000000000..f9333ed1ecc7
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353p.dts
> @@ -0,0 +1,103 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/pinctrl/rockchip.h>
> +#include "rk3566-anbernic-rgxx3.dtsi"
> +
> +/ {
> +	model = "RG353P";
> +	compatible = "anbernic,rg353p", "rockchip,rk3566";
> +
> +	aliases {
> +		mmc0 = &sdhci;
> +		mmc1 = &sdmmc0;
> +		mmc2 = &sdmmc1;
> +		mmc3 = &sdmmc2;
> +	};
> +
> +	backlight: backlight {
> +		compatible = "pwm-backlight";
> +		power-supply = <&vcc_sys>;
> +		pwms = <&pwm4 0 25000 0>;
> +	};
> +};
> +
> +&gpio_keys_control {
> +	button-5 {
> +		gpios = <&gpio3 RK_PA5 GPIO_ACTIVE_LOW>;
> +		label = "DPAD-LEFT";
> +		linux,code = <BTN_DPAD_RIGHT>;
> +	};
> +
> +	button-6 {
> +		gpios = <&gpio3 RK_PA6 GPIO_ACTIVE_LOW>;
> +		label = "DPAD-RIGHT";
> +		linux,code = <BTN_DPAD_LEFT>;
> +	};
> +
> +	button-9 {
> +		gpios = <&gpio3 RK_PB3 GPIO_ACTIVE_LOW>;
> +		label = "TR";
> +		linux,code = <BTN_TR2>;
> +	};
> +
> +	button-10 {
> +		gpios = <&gpio3 RK_PB4 GPIO_ACTIVE_LOW>;
> +		label = "TR2";
> +		linux,code = <BTN_TR>;
> +	};
> +
> +	button-14 {
> +		gpios = <&gpio3 RK_PC1 GPIO_ACTIVE_LOW>;
> +		label = "WEST";
> +		linux,code = <BTN_WEST>;
> +	};
> +
> +	button-15 {
> +		gpios = <&gpio3 RK_PC2 GPIO_ACTIVE_LOW>;
> +		label = "EAST";
> +		linux,code = <BTN_EAST>;
> +	};
> +};
> +
> +&i2c0 {
> +	/* This hardware is physically present but unused. */
> +	cw2015@62 {

Node names should be generic.
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation

> +		compatible = "cellwise,cw2015";
> +		reg = <0x62>;
> +		status = "disabled";
> +	};
> +};
> +
> +&i2c2 {
> +	pintctrl-names = "default";
> +	pinctrl-0 = <&i2c2m1_xfer>;
> +	status = "okay";
> +};
> +

(...)

> +
> +&hdmi_sound {
> +	status = "okay";
> +};
> +
> +&i2c0 {
> +	status = "okay";
> +
> +	rk817: pmic@20 {
> +		compatible = "rockchip,rk817";
> +		reg = <0x20>;
> +		interrupt-parent = <&gpio0>;
> +		interrupts = <RK_PA3 IRQ_TYPE_LEVEL_LOW>;
> +		clock-output-names = "rk808-clkout1", "rk808-clkout2";
> +		clock-names = "mclk";
> +		clocks = <&cru I2S1_MCLKOUT_TX>;
> +		assigned-clocks = <&cru I2S1_MCLKOUT_TX>;
> +		assigned-clock-parents = <&cru CLK_I2S1_8CH_TX>;
> +		#clock-cells = <1>;
> +		#sound-dai-cells = <0>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&i2s1m0_mclk>, <&pmic_int_l>;
> +		wakeup-source;
> +
> +		vcc1-supply = <&vcc_sys>;
> +		vcc2-supply = <&vcc_sys>;
> +		vcc3-supply = <&vcc_sys>;
> +		vcc4-supply = <&vcc_sys>;
> +		vcc5-supply = <&vcc_sys>;
> +		vcc6-supply = <&vcc_sys>;
> +		vcc7-supply = <&vcc_sys>;
> +		vcc8-supply = <&vcc_sys>;
> +		vcc9-supply = <&dcdc_boost>;
> +
> +		regulators {
> +			vdd_logic: DCDC_REG1 {

I commented here and there was no feedback, so please implement the change.


Best regards,
Krzysztof



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