Re: [PATCH 12/12] arm64: dts: exynos: Add initial support for Samsung Galaxy S9 (SM-G960F)

[Ivaylo Ivanov <ivo.ivanov.ivanov1@xxxxxxxxx>]

On 10/24/24 01:36, Markuss Broks wrote:
> Samsung Galaxy S9 (SM-G960F), codenamed starlte, is a mobile phone
> released in 2017. It has 4GB of RAM, 64GB of UFS storage, Exynos9810
> SoC and 1440x2960 Super AMOLED display.
>
> This initial device tree enables the framebuffer pre-initialised
> by bootloader and physical buttons of the device, with more support
> to come in the future.
>
> Co-authored-by: Maksym Holovach <nergzd@xxxxxxxxxxxxx>
> Signed-off-by: Markuss Broks <markuss.broks@xxxxxxxxx>
> ---
>  arch/arm64/boot/dts/exynos/Makefile               |   1 +
>  arch/arm64/boot/dts/exynos/exynos9810-starlte.dts | 119 ++++++++++++++++++++++
>  2 files changed, 120 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/exynos/Makefile b/arch/arm64/boot/dts/exynos/Makefile
> index 7a934499b235892eef38cd926905e02f0ce08278..6760b3d59e819fb52bc8cf4dc6877a0b9db9ce47 100644
> --- a/arch/arm64/boot/dts/exynos/Makefile
> +++ b/arch/arm64/boot/dts/exynos/Makefile
> @@ -8,6 +8,7 @@ dtb-$(CONFIG_ARCH_EXYNOS) += \
>  	exynos7885-jackpotlte.dtb	\
>  	exynos850-e850-96.dtb		\
>  	exynos8895-dreamlte.dtb		\
> +	exynos9810-starlte.dtb		\
>  	exynos990-c1s.dtb		\
>  	exynosautov9-sadk.dtb		\
>  	exynosautov920-sadk.dtb
> diff --git a/arch/arm64/boot/dts/exynos/exynos9810-starlte.dts b/arch/arm64/boot/dts/exynos/exynos9810-starlte.dts
> new file mode 100644
> index 0000000000000000000000000000000000000000..f3a1910402b8d686dd7bd156a691ec541e10ad08
> --- /dev/null
> +++ b/arch/arm64/boot/dts/exynos/exynos9810-starlte.dts
> @@ -0,0 +1,119 @@
> +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
> +/*
> + * Samsung Galaxy S9 (starlte/SM-G960F) device tree source
> + *
> + * Copyright (c) 2024 Markuss Broks <markuss.broks@xxxxxxxxx>
> + * Copyright (c) 2024 Maksym Holovach <nergzd@xxxxxxxxxxxxx>
> + */
> +
> +/dts-v1/;
> +#include "exynos9810.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +
> +/ {
> +	model = "Samsung Galaxy S9 (SM-G960F)";
> +	compatible = "samsung,starlte", "samsung,exynos9810";
> +	chassis-type = "handset";
> +
> +	chosen {
> +		#address-cells = <2>;
> +		#size-cells = <1>;
> +		ranges;
> +
> +		framebuffer@cc000000 {
> +			compatible = "simple-framebuffer";
> +			reg = <0x0 0xcc000000 (1440 * 2960 * 4)>;
> +			width = <1440>;
> +			height = <2960>;
> +			stride = <(1440 * 4)>;
> +			format = "a8r8g8b8";
> +		};
> +	};
> +
> +	memory@80000000 {
> +		device_type = "memory";
> +		reg = <0x0 0x80000000 0x3c800000>,
> +		      <0x8 0x80000000 0x80000000>,
> +		      <0x0 0xc0000000 0x20000000>,
> +		      <0x0 0xe1900000 0x1e700000>;
> +	};
> +
> +	reserved-memory {
> +		#address-cells = <2>;
> +		#size-cells = <1>;
> +		ranges;
> +
> +		framebuffer@cc000000 {
> +			reg = <0x0 0xcc000000 (1440 * 2960 * 4)>;
> +			no-map;
> +		};
> +	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +
> +		pinctrl-0 = <&key_voldown &key_volup &key_bixby &key_power>;
Sort alphabetically the same way as the nodes below.
> +		pinctrl-names = "default";
> +
> +		/* In stock firmware used for assistant. Map it as a camera button for now */
> +		bixby-key {
> +			label = "Bixby";
Small nit: isn't it referred to as a "wink" button in downstream? Might be
best to stay consistent with that, like exynos8895-dreamlte.
> +			linux,code = <KEY_CAMERA>;
> +			gpios = <&gpa0 6 GPIO_ACTIVE_LOW>;
> +		};
> +
> +		power-key {
> +			label = "Power";
> +			linux,code = <KEY_POWER>;
> +			gpios = <&gpa2 4 GPIO_ACTIVE_LOW>;
> +			wakeup-source;
> +		};
> +
> +		volup-key {
> +			label = "Volume Up";
> +			linux,code = <KEY_VOLUMEUP>;
> +			gpios = <&gpa0 3 GPIO_ACTIVE_LOW>;
> +		};
> +
> +		voldown-key {
> +			label = "Volume Down";
> +			linux,code = <KEY_VOLUMEDOWN>;
> +			gpios = <&gpa0 4 GPIO_ACTIVE_LOW>;
> +		};
Sort the nodes alphabetically.
> +	};
> +};
> +
> +&oscclk {
> +	clock-frequency = <26000000>;
> +};
> +
> +&pinctrl_alive {
> +	key_bixby: key-bixby-pins {
> +		samsung,pins = "gpa0-6";
> +		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
> +		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
> +		samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
> +	};
> +
> +	key_volup: key-volup-pins {
> +		samsung,pins = "gpa0-3";
> +		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
> +		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
> +		samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
> +	};
> +
> +	key_voldown: key-voldown-pins {
> +		samsung,pins = "gpa0-4";
> +		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
> +		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
> +		samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
> +	};
> +
> +	key_power: key-power-pins {
> +		samsung,pins = "gpa2-4";
> +		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
> +		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
> +		samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
> +	};
Sort these too.
> +};
>