src/arm/rockchip/rk3288-veyron-minnie.dts

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Google Veyron Minnie Rev 0+ board device tree source
 *
 * Copyright 2015 Google, Inc
 */

/dts-v1/;
#include "rk3288-veyron-chromebook.dtsi"
#include "rk3288-veyron-broadcom-bluetooth.dtsi"

/ {
	model = "Google Minnie";
	compatible = "google,veyron-minnie-rev4", "google,veyron-minnie-rev3",
		     "google,veyron-minnie-rev2", "google,veyron-minnie-rev1",
		     "google,veyron-minnie-rev0", "google,veyron-minnie",
		     "google,veyron", "rockchip,rk3288";

	volume_buttons: volume-buttons {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&volum_down_l &volum_up_l>;

		key-volum-down {
			label = "Volum_down";
			gpios = <&gpio5 RK_PB3 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_VOLUMEDOWN>;
			debounce-interval = <100>;
		};

		key-volum-up {
			label = "Volum_up";
			gpios = <&gpio5 RK_PB2 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_VOLUMEUP>;
			debounce-interval = <100>;
		};
	};
};

&backlight {
	/* Minnie panel PWM must be >= 1%, so start non-zero brightness at 3 */
	brightness-levels = <3 255>;
	num-interpolated-steps = <252>;
};

&i2c_tunnel {
	battery: bq27500@55 {
		compatible = "ti,bq27500";
		reg = <0x55>;
	};
};

&i2c3 {
	status = "okay";

	clock-frequency = <400000>;
	i2c-scl-falling-time-ns = <50>;
	i2c-scl-rising-time-ns = <300>;

	touchscreen@10 {
		compatible = "elan,ekth3500";
		reg = <0x10>;
		interrupt-parent = <&gpio2>;
		interrupts = <RK_PB6 IRQ_TYPE_EDGE_FALLING>;
		pinctrl-names = "default";
		pinctrl-0 = <&touch_int &touch_rst>;
		reset-gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_LOW>;
		vcc33-supply = <&vcc33_touch>;
		vccio-supply = <&vcc33_touch>;
	};
};

&panel {
	compatible = "auo,b101ean01";

	/delete-node/ panel-timing;

	panel-timing {
		clock-frequency = <66666667>;
		hactive = <1280>;
		hfront-porch = <18>;
		hback-porch = <21>;
		hsync-len = <32>;
		vactive = <800>;
		vfront-porch = <4>;
		vback-porch = <8>;
		vsync-len = <18>;
	};
};

&rk808 {
	pinctrl-names = "default";
	pinctrl-0 = <&pmic_int_l &dvs_1 &dvs_2>;

	regulators {
		vcc33_touch: LDO_REG2 {
			regulator-min-microvolt = <3300000>;
			regulator-max-microvolt = <3300000>;
			regulator-name = "vcc33_touch";
			regulator-state-mem {
				regulator-off-in-suspend;
			};
		};

		vcc5v_touch: SWITCH_REG2 {
			regulator-name = "vcc5v_touch";
			regulator-state-mem {
				regulator-off-in-suspend;
			};
		};
	};
};

&sdmmc {
	disable-wp;
	pinctrl-names = "default";
	pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd_disabled &sdmmc_cd_pin
			&sdmmc_bus4>;
};

&vcc_5v {
	enable-active-high;
	gpio = <&gpio7 RK_PC5 GPIO_ACTIVE_HIGH>;
	pinctrl-names = "default";
	pinctrl-0 = <&drv_5v>;
};

&vcc50_hdmi {
	enable-active-high;
	gpio = <&gpio5 RK_PC3 GPIO_ACTIVE_HIGH>;
	pinctrl-names = "default";
	pinctrl-0 = <&vcc50_hdmi_en>;
};

&gpio0 {
	gpio-line-names = "PMIC_SLEEP_AP",
			  "DDRIO_PWROFF",
			  "DDRIO_RETEN",
			  "TS3A227E_INT_L",
			  "PMIC_INT_L",
			  "PWR_KEY_L",
			  "AP_LID_INT_L",
			  "EC_IN_RW",

			  "AC_PRESENT_AP",
			  /*
			   * RECOVERY_SW_L is Chrome OS ABI.  Schematics call
			   * it REC_MODE_L.
			   */
			  "RECOVERY_SW_L",
			  "OTP_OUT",
			  "HOST1_PWR_EN",
			  "USBOTG_PWREN_H",
			  "AP_WARM_RESET_H",
			  "nFALUT2",
			  "I2C0_SDA_PMIC",

			  "I2C0_SCL_PMIC",
			  "SUSPEND_L",
			  "USB_INT";
};

&gpio2 {
	gpio-line-names = "CONFIG0",
			  "CONFIG1",
			  "CONFIG2",
			  "",
			  "",
			  "",
			  "",
			  "CONFIG3",

			  "PROCHOT#",
			  "EMMC_RST_L",
			  "",
			  "",
			  "BL_PWR_EN",
			  "AVDD_1V8_DISP_EN",
			  "TOUCH_INT",
			  "TOUCH_RST",

			  "I2C3_SCL_TP",
			  "I2C3_SDA_TP";
};

&gpio3 {
	gpio-line-names = "FLASH0_D0",
			  "FLASH0_D1",
			  "FLASH0_D2",
			  "FLASH0_D3",
			  "FLASH0_D4",
			  "FLASH0_D5",
			  "FLASH0_D6",
			  "FLASH0_D7",

			  "",
			  "",
			  "",
			  "",
			  "",
			  "",
			  "",
			  "",

			  "FLASH0_CS2/EMMC_CMD",
			  "",
			  "FLASH0_DQS/EMMC_CLKO";
};

&gpio4 {
	gpio-line-names = "",
			  "",
			  "",
			  "",
			  "",
			  "",
			  "",
			  "",

			  "",
			  "",
			  "",
			  "",
			  "",
			  "",
			  "",
			  "",

			  "UART0_RXD",
			  "UART0_TXD",
			  "UART0_CTS",
			  "UART0_RTS",
			  "SDIO0_D0",
			  "SDIO0_D1",
			  "SDIO0_D2",
			  "SDIO0_D3",

			  "SDIO0_CMD",
			  "SDIO0_CLK",
			  "dev_wake",
			  "",
			  "WIFI_ENABLE_H",
			  "BT_ENABLE_L",
			  "WIFI_HOST_WAKE",
			  "BT_HOST_WAKE";
};

&gpio5 {
	gpio-line-names = "",
			  "",
			  "",
			  "",
			  "",
			  "",
			  "",
			  "",

			  "",
			  "",
			  "Volum_Up#",
			  "Volum_Down#",
			  "SPI0_CLK",
			  "SPI0_CS0",
			  "SPI0_TXD",
			  "SPI0_RXD",

			  "",
			  "",
			  "",
			  "VCC50_HDMI_EN";
};

&gpio6 {
	gpio-line-names = "I2S0_SCLK",
			  "I2S0_LRCK_RX",
			  "I2S0_LRCK_TX",
			  "I2S0_SDI",
			  "I2S0_SDO0",
			  "HP_DET_H",
			  "",
			  "INT_CODEC",

			  "I2S0_CLK",
			  "I2C2_SDA",
			  "I2C2_SCL",
			  "MICDET",
			  "",
			  "",
			  "",
			  "",

			  "SDMMC_D0",
			  "SDMMC_D1",
			  "SDMMC_D2",
			  "SDMMC_D3",
			  "SDMMC_CLK",
			  "SDMMC_CMD";
};

&gpio7 {
	gpio-line-names = "LCDC_BL",
			  "PWM_LOG",
			  "BL_EN",
			  "TRACKPAD_INT",
			  "TPM_INT_H",
			  "SDMMC_DET_L",
			  /*
			   * AP_FLASH_WP_L is Chrome OS ABI.  Schematics call
			   * it FW_WP_AP.
			   */
			  "AP_FLASH_WP_L",
			  "EC_INT",

			  "CPU_NMI",
			  "DVS_OK",
			  "SDMMC_WP",
			  "EDP_HPD",
			  "DVS1",
			  "nFALUT1",
			  "LCD_EN",
			  "DVS2",

			  "VCC5V_GOOD_H",
			  "I2C4_SDA_TP",
			  "I2C4_SCL_TP",
			  "I2C5_SDA_HDMI",
			  "I2C5_SCL_HDMI",
			  "5V_DRV",
			  "UART2_RXD",
			  "UART2_TXD";
};

&gpio8 {
	gpio-line-names = "RAM_ID0",
			  "RAM_ID1",
			  "RAM_ID2",
			  "RAM_ID3",
			  "I2C1_SDA_TPM",
			  "I2C1_SCL_TPM",
			  "SPI2_CLK",
			  "SPI2_CS0",

			  "SPI2_RXD",
			  "SPI2_TXD";
};

&pinctrl {
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <
		/* Common for sleep and wake, but no owners */
		&ddr0_retention
		&ddrio_pwroff
		&global_pwroff

		/* Wake only */
		&suspend_l_wake
	>;
	pinctrl-1 = <
		/* Common for sleep and wake, but no owners */
		&ddr0_retention
		&ddrio_pwroff
		&global_pwroff

		/* Sleep only */
		&suspend_l_sleep
	>;

	buck-5v {
		drv_5v: drv-5v {
			rockchip,pins = <7 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	buttons {
		volum_down_l: volum-down-l {
			rockchip,pins = <5 RK_PB3 RK_FUNC_GPIO &pcfg_pull_up>;
		};

		volum_up_l: volum-up-l {
			rockchip,pins = <5 RK_PB2 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};

	hdmi {
		vcc50_hdmi_en: vcc50-hdmi-en {
			rockchip,pins = <5 RK_PC3 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	pmic {
		dvs_1: dvs-1 {
			rockchip,pins = <7 RK_PB4 RK_FUNC_GPIO &pcfg_pull_down>;
		};

		dvs_2: dvs-2 {
			rockchip,pins = <7 RK_PB7 RK_FUNC_GPIO &pcfg_pull_down>;
		};
	};

	prochot {
		gpio_prochot: gpio-prochot {
			rockchip,pins = <2 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	touchscreen {
		touch_int: touch-int {
			rockchip,pins = <2 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
		};

		touch_rst: touch-rst {
			rockchip,pins = <2 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};
};