linux-loongson/arch/arm64/boot/dts/exynos/exynos8895-dreamlte.dts

// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
 * Samsung Galaxy S8 (dreamlte/SM-G950F) device tree source
 *
 * Copyright (c) 2024, Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
 */

/dts-v1/;
#include "exynos8895.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/soc/samsung,exynos-usi.h>

/ {
	model = "Samsung Galaxy S8 (SM-G950F)";
	compatible = "samsung,dreamlte", "samsung,exynos8895";
	chassis-type = "handset";

	aliases {
		mmc0 = &mmc;
	};

	chosen {
		#address-cells = <2>;
		#size-cells = <1>;
		ranges;

		framebuffer: framebuffer@cc000000 {
			compatible = "simple-framebuffer";
			reg = <0 0xcc000000 (1440 * 2960 * 4)>;
			width = <1440>;
			height = <2960>;
			stride = <(1440 * 4)>;
			format = "a8r8g8b8";
		};
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x0 0x80000000 0x3c800000>,
		      <0x0 0xc0000000 0x40000000>,
		      <0x8 0x80000000 0x80000000>;
	};

	reserved-memory {
		#address-cells = <2>;
		#size-cells = <1>;
		ranges;

		ramoops@92000000 {
			compatible = "ramoops";
			reg = <0 0x92000000 0x8000>;
			record-size = <0x4000>;
			console-size = <0x4000>;
		};

		cont_splash_mem: framebuffer@cc000000 {
			reg = <0 0xcc000000 (1440 * 2960 * 4)>;
			no-map;
		};
	};

	gpio-keys {
		compatible = "gpio-keys";

		pinctrl-0 = <&key_power &key_voldown &key_volup &key_wink>;
		pinctrl-names = "default";

		power-key {
			label = "Power";
			linux,code = <KEY_POWER>;
			gpios = <&gpa2 4 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};

		voldown-key {
			label = "Volume Down";
			linux,code = <KEY_VOLUMEDOWN>;
			gpios = <&gpa0 4 GPIO_ACTIVE_LOW>;
		};

		volup-key {
			label = "Volume Up";
			linux,code = <KEY_VOLUMEUP>;
			gpios = <&gpa0 3 GPIO_ACTIVE_LOW>;
		};

		/* Typically used for Bixby. Map it as a camera button for now */
		wink-key {
			label = "Camera";
			linux,code = <KEY_CAMERA>;
			gpios = <&gpa0 6 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};
	};

	/* TODO: Remove once PMIC is implemented  */
	reg_placeholder: regulator-0 {
		compatible = "regulator-fixed";
		regulator-name = "reg-placeholder";
	};
};

&hsi2c_23 {
	#address-cells = <1>;
	#size-cells = <0>;
	status = "okay";

	touchscreen@48 {
		compatible = "samsung,s6sy761";
		reg = <0x48>;

		/* TODO: Update once PMIC is implemented */
		avdd-supply = <&reg_placeholder>;
		vdd-supply = <&reg_placeholder>;

		interrupt-parent = <&gpa1>;
		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;

		pinctrl-0 = <&ts_int>;
		pinctrl-names = "default";
	};
};

&oscclk {
	clock-frequency = <26000000>;
};

&mmc {
	pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus1 &sd2_bus4 &sd2_cd>;
	pinctrl-names = "default";

	bus-width = <4>;
	card-detect-delay = <200>;
	cd-gpios = <&gpa1 5 GPIO_ACTIVE_LOW>;
	clock-frequency = <800000000>;
	disable-wp;
	sd-uhs-sdr50;
	sd-uhs-sdr104;

	/* TODO: Add regulators once PMIC is implemented */

	samsung,dw-mshc-ciu-div = <3>;
	samsung,dw-mshc-ddr-timing = <1 2>;
	samsung,dw-mshc-sdr-timing = <0 3>;

	status = "okay";
};

&pinctrl_alive {
	key_power: key-power-pins {
		samsung,pins = "gpa2-4";
		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <EXYNOS7_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_NONE>;
		samsung,pin-drv = <EXYNOS7_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_NONE>;
		samsung,pin-drv = <EXYNOS7_PIN_DRV_LV1>;
	};

	key_wink: key-wink-pins {
		samsung,pins = "gpa0-6";
		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <EXYNOS7_PIN_DRV_LV1>;
	};

	sd2_cd: sd2-cd-pins {
		samsung,pins = "gpa1-5";
		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
		samsung,pin-drv = <EXYNOS7_PIN_DRV_LV4>;
	};

	ts_int: ts-int-pins {
		samsung,pins = "gpa1-0";
		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <EXYNOS7_PIN_DRV_LV1>;
	};
};

&usi9 {
	samsung,mode = <USI_MODE_I2C0_1>;
	status = "okay";
};