arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi - linux - Git at Google

 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 /*
  * Google Gru-scarlet board device tree source
  *
  * Copyright 2018 Google, Inc
  */

 #include "rk3399-gru.dtsi"

 /{
 	chassis-type = "tablet";

 	/* Power tree */

 	/* ppvar_sys children, sorted by name */
 	pp1250_s3: pp1250-s3 {
 		compatible = "regulator-fixed";
 		regulator-name = "pp1250_s3";

 		/* EC turns on w/ pp1250_s3_en; always on for AP */
 		regulator-always-on;
 		regulator-boot-on;
 		regulator-min-microvolt = <1250000>;
 		regulator-max-microvolt = <1250000>;

 		vin-supply = <&ppvar_sys>;
 	};

 	pp1250_cam: pp1250-dvdd {
 		compatible = "regulator-fixed";
 		regulator-name = "pp1250_dvdd";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pp1250_cam_en>;

 		enable-active-high;
 		gpio = <&gpio2 4 GPIO_ACTIVE_HIGH>;

 		/* 740us delay from gpio output high to pp1250 stable,
 		 * rounding up to 1ms for safety.
 		 */
 		startup-delay-us = <1000>;
 		vin-supply = <&pp1250_s3>;
 	};

 	pp900_s0: pp900-s0 {
 		compatible = "regulator-fixed";
 		regulator-name = "pp900_s0";

 		/* EC turns on w/ pp900_s0_en; always on for AP */
 		regulator-always-on;
 		regulator-boot-on;
 		regulator-min-microvolt = <900000>;
 		regulator-max-microvolt = <900000>;

 		vin-supply = <&ppvar_sys>;
 	};

 	ppvarn_lcd: ppvarn-lcd {
 		compatible = "regulator-fixed";
 		regulator-name = "ppvarn_lcd";
 		pinctrl-names = "default";
 		pinctrl-0 = <&ppvarn_lcd_en>;

 		enable-active-high;
 		gpio = <&gpio4 28 GPIO_ACTIVE_HIGH>;
 		vin-supply = <&ppvar_sys>;
 	};

 	ppvarp_lcd: ppvarp-lcd {
 		compatible = "regulator-fixed";
 		regulator-name = "ppvarp_lcd";
 		pinctrl-names = "default";
 		pinctrl-0 = <&ppvarp_lcd_en>;

 		enable-active-high;
 		gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;
 		vin-supply = <&ppvar_sys>;
 	};

 	/* pp1800 children, sorted by name */
 	pp900_s3: pp900-s3 {
 		compatible = "regulator-fixed";
 		regulator-name = "pp900_s3";

 		/* EC turns on w/ pp900_s3_en; always on for AP */
 		regulator-always-on;
 		regulator-boot-on;
 		regulator-min-microvolt = <900000>;
 		regulator-max-microvolt = <900000>;

 		vin-supply = <&pp1800>;
 	};

 	/* EC turns on pp1800_s3_en */
 	pp1800_s3: pp1800 {
 	};

 	/* pp3300 children, sorted by name */
 	pp2800_cam: pp2800-avdd {
 		compatible = "regulator-fixed";
 		regulator-name = "pp2800_avdd";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pp2800_cam_en>;

 		enable-active-high;
 		gpio = <&gpio2 24 GPIO_ACTIVE_HIGH>;
 		startup-delay-us = <100>;
 		vin-supply = <&pp3300>;
 	};

 	/* EC turns on pp3300_s0_en */
 	pp3300_s0: pp3300 {
 	};

 	/* EC turns on pp3300_s3_en */
 	pp3300_s3: pp3300 {
 	};

 	/*
 	 * See b/66922012
 	 *
 	 * This is a hack to make sure the Bluetooth part of the QCA6174A
 	 * is reset at boot by toggling BT_EN. At boot BT_EN is first set
 	 * to low when the bt_3v3 regulator is registered (in disabled
 	 * state). The fake regulator is configured as a supply of the
 	 * wlan_3v3 regulator below. When wlan_3v3 is enabled early in
 	 * the boot process it also enables its supply regulator bt_3v3,
 	 * which changes BT_EN to high.
 	 */
 	bt_3v3: bt-3v3 {
 		compatible = "regulator-fixed";
 		regulator-name = "bt_3v3";
 		pinctrl-names = "default";
 		pinctrl-0 = <&bt_en_1v8_l>;

 		enable-active-high;
 		gpio = <&gpio0 8 GPIO_ACTIVE_HIGH>;
 		vin-supply = <&pp3300_s3>;
 	};

 	wlan_3v3: wlan-3v3 {
 		compatible = "regulator-fixed";
 		regulator-name = "wlan_3v3";
 		pinctrl-names = "default";
 		pinctrl-0 = <&wlan_pd_1v8_l>;

 		/*
 		 * The WL_EN pin is driven low when the regulator is
 		 * registered, and transitions to high when the PCIe bus
 		 * is powered up.
 		 */
 		enable-active-high;
 		gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;

 		/*
 		 * Require minimum 10ms from power-on (e.g., PD#) to init PCIe.
 		 * TODO (b/64444991): how long to assert PD#?
 		 */
 		regulator-enable-ramp-delay = <10000>;
 		/* See bt_3v3 hack above */
 		vin-supply = <&bt_3v3>;
 	};

 	backlight: backlight {
 		compatible = "pwm-backlight";
 		enable-gpios = <&gpio4 21 GPIO_ACTIVE_HIGH>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&bl_en>;
 		pwms = <&pwm1 0 1000000 0>;
 		pwm-delay-us = <10000>;
 	};

 	dmic: dmic {
 		compatible = "dmic-codec";
 		dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&dmic_en>;
 		wakeup-delay-ms = <250>;
 	};

 	gpio_keys: gpio-keys {
 		compatible = "gpio-keys";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pen_eject_odl>;

 		pen-insert {
 			label = "Pen Insert";
 			/* Insert = low, eject = high */
 			gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
 			linux,code = <SW_PEN_INSERTED>;
 			linux,input-type = <EV_SW>;
 			wakeup-source;
 		};
 	};
 };

 /* pp900_s0 aliases */
 pp900_ddrpll_ap: &pp900_s0 {
 };
 pp900_pcie: &pp900_s0 {
 };
 pp900_usb: &pp900_s0 {
 };

 /* pp900_s3 aliases */
 pp900_emmcpll: &pp900_s3 {
 };

 /* EC turns on; alias for pp1800_s0 */
 pp1800_pcie: &pp1800_s0 {
 };

 /* On scarlet PPVAR(big_cpu, lit_cpu, gpu) need to adjust voltage ranges */
 &ppvar_bigcpu {
 	ctrl-voltage-range = <800074 1299226>;
 	regulator-min-microvolt = <800074>;
 	regulator-max-microvolt = <1299226>;
 };

 &ppvar_bigcpu_pwm {
 	/* On scarlet ppvar big cpu use pwm3 */
 	pwms = <&pwm3 0 3337 0>;
 	regulator-min-microvolt = <800074>;
 	regulator-max-microvolt = <1299226>;
 };

 &ppvar_litcpu {
 	ctrl-voltage-range = <802122 1199620>;
 	regulator-min-microvolt = <802122>;
 	regulator-max-microvolt = <1199620>;
 };

 &ppvar_litcpu_pwm {
 	regulator-min-microvolt = <802122>;
 	regulator-max-microvolt = <1199620>;
 };

 &ppvar_gpu {
 	ctrl-voltage-range = <799600 1099600>;
 	regulator-min-microvolt = <799600>;
 	regulator-max-microvolt = <1099600>;
 };

 &ppvar_gpu_pwm {
 	regulator-min-microvolt = <799600>;
 	regulator-max-microvolt = <1099600>;
 };

 &ppvar_sd_card_io {
 	states = <1800000 0x0>, <3300000 0x1>;
 	regulator-max-microvolt = <3300000>;
 };

 &pp3000_sd_slot {
 	vin-supply = <&pp3300>;
 };

 ap_i2c_dig: &i2c2 {
 	status = "okay";

 	clock-frequency = <400000>;

 	/* These are relatively safe rise/fall times. */
 	i2c-scl-falling-time-ns = <50>;
 	i2c-scl-rising-time-ns = <300>;

 	digitizer: digitizer@9 {
 		compatible = "hid-over-i2c";
 		reg = <0x9>;
 		interrupt-parent = <&gpio1>;
 		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 		hid-descr-addr = <0x1>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&pen_int_odl &pen_reset_l>;
 	};
 };

 &ap_i2c_ts {
 	touchscreen: touchscreen@10 {
 		compatible = "elan,ekth3500";
 		reg = <0x10>;
 		interrupt-parent = <&gpio1>;
 		interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&touch_int_l &touch_reset_l>;
 		reset-gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
 	};
 };

 camera: &i2c7 {
 	status = "okay";

 	clock-frequency = <400000>;

 	/* These are relatively safe rise/fall times; TODO: measure */
 	i2c-scl-falling-time-ns = <50>;
 	i2c-scl-rising-time-ns = <300>;

 	/* 24M mclk is shared between world and user cameras */
 	pinctrl-0 = <&i2c7_xfer &test_clkout1>;

 	/* Rear-facing camera */
 	wcam: camera@36 {
 		compatible = "ovti,ov5695";
 		reg = <0x36>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&wcam_rst>;

 		clocks = <&cru SCLK_TESTCLKOUT1>;
 		clock-names = "xvclk";

 		avdd-supply = <&pp2800_cam>;
 		dvdd-supply = <&pp1250_cam>;
 		dovdd-supply = <&pp1800_s0>;
 		reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;

 		port {
 			wcam_out: endpoint {
 				remote-endpoint = <&mipi_in_wcam>;
 				data-lanes = <1 2>;
 			};
 		};
 	};

 	/* Front-facing camera */
 	ucam: camera@3c {
 		compatible = "ovti,ov2685";
 		reg = <0x3c>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&ucam_rst>;

 		clocks = <&cru SCLK_TESTCLKOUT1>;
 		clock-names = "xvclk";

 		avdd-supply = <&pp2800_cam>;
 		dovdd-supply = <&pp1800_s0>;
 		dvdd-supply = <&pp1800_s0>;
 		reset-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;

 		port {
 			ucam_out: endpoint {
 				remote-endpoint = <&mipi_in_ucam>;
 				data-lanes = <1>;
 			};
 		};
 	};
 };

 &cdn_dp {
 	extcon = <&usbc_extcon0>;
 	phys = <&tcphy0_dp>;
 };

 &cpu_alert0 {
 	temperature = <66000>;
 };

 &cpu_alert1 {
 	temperature = <71000>;
 };

 &cros_ec {
 	interrupt-parent = <&gpio1>;
 	interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
 };

 &cru {
 	assigned-clocks =
 		<&cru PLL_GPLL>, <&cru PLL_CPLL>,
 		<&cru PLL_NPLL>,
 		<&cru ACLK_PERIHP>, <&cru HCLK_PERIHP>,
 		<&cru PCLK_PERIHP>,
 		<&cru ACLK_PERILP0>, <&cru HCLK_PERILP0>,
 		<&cru PCLK_PERILP0>, <&cru ACLK_CCI>,
 		<&cru HCLK_PERILP1>, <&cru PCLK_PERILP1>,
 		<&cru ACLK_VIO>,
 		<&cru ACLK_GIC_PRE>,
 		<&cru PCLK_DDR>,
 		<&cru ACLK_HDCP>;
 	assigned-clock-rates =
 		<600000000>, <1600000000>,
 		<1000000000>,
 		<150000000>, <75000000>,
 		<37500000>,
 		<100000000>, <100000000>,
 		<50000000>, <800000000>,
 		<100000000>, <50000000>,
 		<400000000>,
 		<200000000>,
 		<200000000>,
 		<400000000>;
 };

 &gpio0 {
 	gpio-line-names = /* GPIO0 A 0-7 */
 			  "CLK_32K_AP",
 			  "EC_IN_RW_OD",
 			  "SPK_PA_EN",
 			  "WLAN_PERST_1V8_L",
 			  "WLAN_PD_1V8_L",
 			  "WLAN_RF_KILL_1V8_L",
 			  "BIGCPU_DVS_PWM",
 			  "SD_CD_L_JTAG_EN",

 			  /* GPIO0 B 0-5 */
 			  "BT_EN_BT_RF_KILL_1V8_L",
 			  "PMUIO2_33_18_L_PP3300_S0_EN",
 			  "TOUCH_RESET_L",
 			  "AP_EC_WARM_RESET_REQ",
 			  "PEN_RESET_L",
 			  /*
 			   * AP_FLASH_WP_L is crossystem ABI. Schematics call
 			   * it AP_FLASH_WP_R_ODL.
 			   */
 			  "AP_FLASH_WP_L";
 };

 &gpio1 {
 	gpio-line-names = /* GPIO1 A 0-7 */
 			  "PEN_INT_ODL",
 			  "PEN_EJECT_ODL",
 			  "BT_HOST_WAKE_1V8_L",
 			  "WLAN_HOST_WAKE_1V8_L",
 			  "TOUCH_INT_ODL",
 			  "AP_EC_S3_S0_L",
 			  "AP_EC_OVERTEMP",
 			  "AP_SPI_FLASH_MISO",

 			  /* GPIO1 B 0-7 */
 			  "AP_SPI_FLASH_MOSI_R",
 			  "AP_SPI_FLASH_CLK_R",
 			  "AP_SPI_FLASH_CS_L_R",
 			  "SD_CARD_DET_ODL",
 			  "",
 			  "AP_EXPANSION_IO1",
 			  "AP_EXPANSION_IO2",
 			  "AP_I2C_DISP_SDA",

 			  /* GPIO1 C 0-7 */
 			  "AP_I2C_DISP_SCL",
 			  "H1_INT_ODL",
 			  "EC_AP_INT_ODL",
 			  "LITCPU_DVS_PWM",
 			  "AP_I2C_AUDIO_SDA",
 			  "AP_I2C_AUDIO_SCL",
 			  "AP_EXPANSION_IO3",
 			  "HEADSET_INT_ODL",

 			  /* GPIO1 D0 */
 			  "AP_EXPANSION_IO4";
 };

 &gpio2 {
 	gpio-line-names = /* GPIO2 A 0-7 */
 			  "AP_I2C_PEN_SDA",
 			  "AP_I2C_PEN_SCL",
 			  "SD_IO_PWR_EN",
 			  "UCAM_RST_L",
 			  "PP1250_CAM_EN",
 			  "WCAM_RST_L",
 			  "AP_EXPANSION_IO5",
 			  "AP_I2C_CAM_SDA",

 			  /* GPIO2 B 0-7 */
 			  "AP_I2C_CAM_SCL",
 			  "AP_H1_SPI_MISO",
 			  "AP_H1_SPI_MOSI",
 			  "AP_H1_SPI_CLK",
 			  "AP_H1_SPI_CS_L",
 			  "",
 			  "",
 			  "",

 			  /* GPIO2 C 0-7 */
 			  "UART_EXPANSION_TX_AP_RX",
 			  "UART_AP_TX_EXPANSION_RX",
 			  "UART_EXPANSION_RTS_AP_CTS",
 			  "UART_AP_RTS_EXPANSION_CTS",
 			  "AP_SPI_EC_MISO",
 			  "AP_SPI_EC_MOSI",
 			  "AP_SPI_EC_CLK",
 			  "AP_SPI_EC_CS_L",

 			  /* GPIO2 D 0-4 */
 			  "PP2800_CAM_EN",
 			  "CLK_24M_CAM",
 			  "WLAN_PCIE_CLKREQ_1V8_L",
 			  "",
 			  "SD_PWR_3000_1800_L";
 };

 &gpio3 {
 	gpio-line-names = /* GPIO3 A 0-7 */
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",

 			  /* GPIO3 B 0-7 */
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",

 			  /* GPIO3 C 0-7 */
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",

 			  /* GPIO3 D 0-7 */
 			  "I2S0_SCLK",
 			  "I2S0_LRCK_RX",
 			  "I2S0_LRCK_TX",
 			  "I2S0_SDI_0",
 			  "STRAP_LCDBIAS_L",
 			  "STRAP_FEATURE_1",
 			  "STRAP_FEATURE_2",
 			  "I2S0_SDO_0";
 };

 &gpio4 {
 	gpio-line-names = /* GPIO4 A 0-7 */
 			  "I2S_MCLK",
 			  "AP_I2C_EXPANSION_SDA",
 			  "AP_I2C_EXPANSION_SCL",
 			  "DMIC_EN",
 			  "",
 			  "",
 			  "",
 			  "",

 			  /* GPIO4 B 0-7 */
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",
 			  "",

 			  /* GPIO4 C 0-7 */
 			  "AP_I2C_TS_SDA",
 			  "AP_I2C_TS_SCL",
 			  "GPU_DVS_PWM",
 			  "UART_DBG_TX_AP_RX",
 			  "UART_AP_TX_DBG_RX",
 			  "BL_EN",
 			  "BL_PWM",
 			  "",

 			  /* GPIO4 D 0-5 */
 			  "",
 			  "DISPLAY_RST_L",
 			  "",
 			  "PPVARP_LCD_EN",
 			  "PPVARN_LCD_EN",
 			  "SD_SLOT_PWR_EN";
 };

 &i2c_tunnel {
 	google,remote-bus = <0>;
 };

 &io_domains {
 	bt656-supply = <&pp1800_s0>;		/* APIO2_VDD;  2a 2b */
 	audio-supply = <&pp1800_s0>;		/* APIO5_VDD;  3d 4a */
 	gpio1830-supply = <&pp1800_s0>;		/* APIO4_VDD;  4c 4d */
 };

 &isp0 {
 	status = "okay";

 	ports {
 		port@0 {
 			mipi_in_wcam: endpoint@0 {
 				reg = <0>;
 				remote-endpoint = <&wcam_out>;
 				data-lanes = <1 2>;
 			};

 			mipi_in_ucam: endpoint@1 {
 				reg = <1>;
 				remote-endpoint = <&ucam_out>;
 				data-lanes = <1>;
 			};
 		};
 	};
 };

 &isp0_mmu {
 	status = "okay";
 };

 &max98357a {
 	sdmode-gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
 };

 &mipi_dphy_rx0 {
 	status = "okay";
 };

 &mipi_dsi {
 	status = "okay";
 	clock-master;

 	ports {
 		mipi_out: port@1 {
 			reg = <1>;

 			mipi_out_panel: endpoint {
 				remote-endpoint = <&mipi_in_panel>;
 			};
 		};
 	};

 	mipi_panel: panel@0 {
 		/* 2 different panels are used, compatibles are in dts files */
 		reg = <0>;
 		backlight = <&backlight>;
 		enable-gpios = <&gpio4 25 GPIO_ACTIVE_HIGH>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&display_rst_l>;

 		ports {
 			#address-cells = <1>;
 			#size-cells = <0>;

 			port@0 {
 				reg = <0>;

 				mipi_in_panel: endpoint {
 					remote-endpoint = <&mipi_out_panel>;
 				};
 			};

 			port@1 {
 				reg = <1>;

 				mipi1_in_panel: endpoint@1 {
 					remote-endpoint = <&mipi1_out_panel>;
 				};
 			};
 		};
 	};
 };

 &mipi_dsi1 {
 	status = "okay";

 	ports {
 		mipi1_out: port@1 {
 			reg = <1>;

 			mipi1_out_panel: endpoint {
 				remote-endpoint = <&mipi1_in_panel>;
 			};
 		};
 	};
 };

 &pcie0 {
 	ep-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;

 	/* PERST# asserted in S3 */
 	pcie-reset-suspend = <1>;

 	vpcie3v3-supply = <&wlan_3v3>;
 	vpcie1v8-supply = <&pp1800_pcie>;
 };

 &sdmmc {
 	cd-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
 };

 &sound {
 	rockchip,codec = <&max98357a &dmic &codec &cdn_dp>;
 };

 &spi2 {
 	status = "okay";

 	cr50@0 {
 		compatible = "google,cr50";
 		reg = <0>;
 		interrupt-parent = <&gpio1>;
 		interrupts = <17 IRQ_TYPE_EDGE_RISING>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&h1_int_od_l>;
 		spi-max-frequency = <800000>;
 	};
 };

 &usb_host0_ohci {
 	#address-cells = <1>;
 	#size-cells = <0>;

 	qca_bt: bluetooth@1 {
 		compatible = "usbcf3,e300", "usb4ca,301a";
 		reg = <1>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&bt_host_wake_l>;
 		interrupt-parent = <&gpio1>;
 		interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
 		interrupt-names = "wakeup";
 	};
 };

 /* PINCTRL OVERRIDES */
 &ec_ap_int_l {
 	rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_up>;
 };

 &ap_fw_wp {
 	rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
 };

 &bl_en {
 	rockchip,pins = <4 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>;
 };

 &bt_host_wake_l {
 	rockchip,pins = <1 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
 };

 &ec_ap_int_l {
 	rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_up>;
 };

 &headset_int_l {
 	rockchip,pins = <1 RK_PC7 RK_FUNC_GPIO &pcfg_pull_up>;
 };

 &i2s0_8ch_bus {
 	rockchip,pins =
 		<3 RK_PD0 1 &pcfg_pull_none_6ma>,
 		<3 RK_PD1 1 &pcfg_pull_none_6ma>,
 		<3 RK_PD2 1 &pcfg_pull_none_6ma>,
 		<3 RK_PD3 1 &pcfg_pull_none_6ma>,
 		<3 RK_PD7 1 &pcfg_pull_none_6ma>,
 		<4 RK_PA0 1 &pcfg_pull_none_6ma>;
 };

 /* there is no external pull up, so need to set this pin pull up */
 &sdmmc_cd_pin {
 	rockchip,pins = <1 RK_PB3 RK_FUNC_GPIO &pcfg_pull_up>;
 };

 &sd_pwr_1800_sel {
 	rockchip,pins = <2 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>;
 };

 &sdmode_en {
 	rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_down>;
 };

 &touch_reset_l {
 	rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_down>;
 };

 &touch_int_l {
 	rockchip,pins = <1 RK_PA4 RK_FUNC_GPIO &pcfg_pull_down>;
 };

 &pinctrl {
 	pinctrl-0 = <
 		&ap_pwroff	/* AP will auto-assert this when in S3 */
 		&clk_32k	/* This pin is always 32k on gru boards */
 		&wlan_rf_kill_1v8_l
 	>;

 	pcfg_pull_none_6ma: pcfg-pull-none-6ma {
 		bias-disable;
 		drive-strength = <6>;
 	};

 	camera {
 		pp1250_cam_en: pp1250-dvdd {
 			rockchip,pins = <2 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
 		};

 		pp2800_cam_en: pp2800-avdd {
 			rockchip,pins = <2 RK_PD0 RK_FUNC_GPIO &pcfg_pull_none>;
 		};

 		ucam_rst: ucam_rst {
 			rockchip,pins = <2 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
 		};

 		wcam_rst: wcam_rst {
 			rockchip,pins = <2 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};

 	digitizer {
 		pen_int_odl: pen-int-odl {
 			rockchip,pins = <1 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
 		};

 		pen_reset_l: pen-reset-l {
 			rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};

 	discrete-regulators {
 		display_rst_l: display-rst-l {
 			rockchip,pins = <4 RK_PD1 RK_FUNC_GPIO &pcfg_pull_down>;
 		};

 		ppvarp_lcd_en: ppvarp-lcd-en {
 			rockchip,pins = <4 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
 		};

 		ppvarn_lcd_en: ppvarn-lcd-en {
 			rockchip,pins = <4 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};

 	dmic {
 		dmic_en: dmic-en {
 			rockchip,pins = <4 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};

 	pen {
 		pen_eject_odl: pen-eject-odl {
 			rockchip,pins = <1 RK_PA1 RK_FUNC_GPIO &pcfg_pull_up>;
 		};
 	};

 	tpm {
 		h1_int_od_l: h1-int-od-l {
 			rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_up>;
 		};
 	};
 };

 &wifi {
 	bt_en_1v8_l: bt-en-1v8-l {
 		rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
 	};

 	wlan_pd_1v8_l: wlan-pd-1v8-l {
 		rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
 	};

 	/* Default pull-up, but just to be clear */
 	wlan_rf_kill_1v8_l: wlan-rf-kill-1v8-l {
 		rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
 	};

 	wifi_perst_l: wifi-perst-l {
 		rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
 	};

 	wlan_host_wake_l: wlan-host-wake-l {
 		rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
 	};
 };
	// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
	/*
	* Google Gru-scarlet board device tree source
	*
	* Copyright 2018 Google, Inc
	*/

	#include "rk3399-gru.dtsi"

	/{
	chassis-type = "tablet";

	/* Power tree */

	/* ppvar_sys children, sorted by name */
	pp1250_s3: pp1250-s3 {
	compatible = "regulator-fixed";
	regulator-name = "pp1250_s3";

	/* EC turns on w/ pp1250_s3_en; always on for AP */
	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <1250000>;
	regulator-max-microvolt = <1250000>;

	vin-supply = <&ppvar_sys>;
	};

	pp1250_cam: pp1250-dvdd {
	compatible = "regulator-fixed";
	regulator-name = "pp1250_dvdd";
	pinctrl-names = "default";
	pinctrl-0 = <&pp1250_cam_en>;

	enable-active-high;
	gpio = <&gpio2 4 GPIO_ACTIVE_HIGH>;

	/* 740us delay from gpio output high to pp1250 stable,
	* rounding up to 1ms for safety.
	*/
	startup-delay-us = <1000>;
	vin-supply = <&pp1250_s3>;
	};

	pp900_s0: pp900-s0 {
	compatible = "regulator-fixed";
	regulator-name = "pp900_s0";

	/* EC turns on w/ pp900_s0_en; always on for AP */
	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <900000>;
	regulator-max-microvolt = <900000>;

	vin-supply = <&ppvar_sys>;
	};

	ppvarn_lcd: ppvarn-lcd {
	compatible = "regulator-fixed";
	regulator-name = "ppvarn_lcd";
	pinctrl-names = "default";
	pinctrl-0 = <&ppvarn_lcd_en>;

	enable-active-high;
	gpio = <&gpio4 28 GPIO_ACTIVE_HIGH>;
	vin-supply = <&ppvar_sys>;
	};

	ppvarp_lcd: ppvarp-lcd {
	compatible = "regulator-fixed";
	regulator-name = "ppvarp_lcd";
	pinctrl-names = "default";
	pinctrl-0 = <&ppvarp_lcd_en>;

	enable-active-high;
	gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;
	vin-supply = <&ppvar_sys>;
	};

	/* pp1800 children, sorted by name */
	pp900_s3: pp900-s3 {
	compatible = "regulator-fixed";
	regulator-name = "pp900_s3";

	/* EC turns on w/ pp900_s3_en; always on for AP */
	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <900000>;
	regulator-max-microvolt = <900000>;

	vin-supply = <&pp1800>;
	};

	/* EC turns on pp1800_s3_en */
	pp1800_s3: pp1800 {
	};

	/* pp3300 children, sorted by name */
	pp2800_cam: pp2800-avdd {
	compatible = "regulator-fixed";
	regulator-name = "pp2800_avdd";
	pinctrl-names = "default";
	pinctrl-0 = <&pp2800_cam_en>;

	enable-active-high;
	gpio = <&gpio2 24 GPIO_ACTIVE_HIGH>;
	startup-delay-us = <100>;
	vin-supply = <&pp3300>;
	};

	/* EC turns on pp3300_s0_en */
	pp3300_s0: pp3300 {
	};

	/* EC turns on pp3300_s3_en */
	pp3300_s3: pp3300 {
	};

	/*
	* See b/66922012
	*
	* This is a hack to make sure the Bluetooth part of the QCA6174A
	* is reset at boot by toggling BT_EN. At boot BT_EN is first set
	* to low when the bt_3v3 regulator is registered (in disabled
	* state). The fake regulator is configured as a supply of the
	* wlan_3v3 regulator below. When wlan_3v3 is enabled early in
	* the boot process it also enables its supply regulator bt_3v3,
	* which changes BT_EN to high.
	*/
	bt_3v3: bt-3v3 {
	compatible = "regulator-fixed";
	regulator-name = "bt_3v3";
	pinctrl-names = "default";
	pinctrl-0 = <&bt_en_1v8_l>;

	enable-active-high;
	gpio = <&gpio0 8 GPIO_ACTIVE_HIGH>;
	vin-supply = <&pp3300_s3>;
	};

	wlan_3v3: wlan-3v3 {
	compatible = "regulator-fixed";
	regulator-name = "wlan_3v3";
	pinctrl-names = "default";
	pinctrl-0 = <&wlan_pd_1v8_l>;

	/*
	* The WL_EN pin is driven low when the regulator is
	* registered, and transitions to high when the PCIe bus
	* is powered up.
	*/
	enable-active-high;
	gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;

	/*
	* Require minimum 10ms from power-on (e.g., PD#) to init PCIe.
	* TODO (b/64444991): how long to assert PD#?
	*/
	regulator-enable-ramp-delay = <10000>;
	/* See bt_3v3 hack above */
	vin-supply = <&bt_3v3>;
	};

	backlight: backlight {
	compatible = "pwm-backlight";
	enable-gpios = <&gpio4 21 GPIO_ACTIVE_HIGH>;
	pinctrl-names = "default";
	pinctrl-0 = <&bl_en>;
	pwms = <&pwm1 0 1000000 0>;
	pwm-delay-us = <10000>;
	};

	dmic: dmic {
	compatible = "dmic-codec";
	dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
	pinctrl-names = "default";
	pinctrl-0 = <&dmic_en>;
	wakeup-delay-ms = <250>;
	};

	gpio_keys: gpio-keys {
	compatible = "gpio-keys";
	pinctrl-names = "default";
	pinctrl-0 = <&pen_eject_odl>;

	pen-insert {
	label = "Pen Insert";
	/* Insert = low, eject = high */
	gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
	linux,code = <SW_PEN_INSERTED>;
	linux,input-type = <EV_SW>;
	wakeup-source;
	};
	};
	};

	/* pp900_s0 aliases */
	pp900_ddrpll_ap: &pp900_s0 {
	};
	pp900_pcie: &pp900_s0 {
	};
	pp900_usb: &pp900_s0 {
	};

	/* pp900_s3 aliases */
	pp900_emmcpll: &pp900_s3 {
	};

	/* EC turns on; alias for pp1800_s0 */
	pp1800_pcie: &pp1800_s0 {
	};

	/* On scarlet PPVAR(big_cpu, lit_cpu, gpu) need to adjust voltage ranges */
	&ppvar_bigcpu {
	ctrl-voltage-range = <800074 1299226>;
	regulator-min-microvolt = <800074>;
	regulator-max-microvolt = <1299226>;
	};

	&ppvar_bigcpu_pwm {
	/* On scarlet ppvar big cpu use pwm3 */
	pwms = <&pwm3 0 3337 0>;
	regulator-min-microvolt = <800074>;
	regulator-max-microvolt = <1299226>;
	};

	&ppvar_litcpu {
	ctrl-voltage-range = <802122 1199620>;
	regulator-min-microvolt = <802122>;
	regulator-max-microvolt = <1199620>;
	};

	&ppvar_litcpu_pwm {
	regulator-min-microvolt = <802122>;
	regulator-max-microvolt = <1199620>;
	};

	&ppvar_gpu {
	ctrl-voltage-range = <799600 1099600>;
	regulator-min-microvolt = <799600>;
	regulator-max-microvolt = <1099600>;
	};

	&ppvar_gpu_pwm {
	regulator-min-microvolt = <799600>;
	regulator-max-microvolt = <1099600>;
	};

	&ppvar_sd_card_io {
	states = <1800000 0x0>, <3300000 0x1>;
	regulator-max-microvolt = <3300000>;
	};

	&pp3000_sd_slot {
	vin-supply = <&pp3300>;
	};

	ap_i2c_dig: &i2c2 {
	status = "okay";

	clock-frequency = <400000>;

	/* These are relatively safe rise/fall times. */
	i2c-scl-falling-time-ns = <50>;
	i2c-scl-rising-time-ns = <300>;

	digitizer: digitizer@9 {
	compatible = "hid-over-i2c";
	reg = <0x9>;
	interrupt-parent = <&gpio1>;
	interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
	hid-descr-addr = <0x1>;
	pinctrl-names = "default";
	pinctrl-0 = <&pen_int_odl &pen_reset_l>;
	};
	};

	&ap_i2c_ts {
	touchscreen: touchscreen@10 {
	compatible = "elan,ekth3500";
	reg = <0x10>;
	interrupt-parent = <&gpio1>;
	interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
	pinctrl-names = "default";
	pinctrl-0 = <&touch_int_l &touch_reset_l>;
	reset-gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
	};
	};

	camera: &i2c7 {
	status = "okay";

	clock-frequency = <400000>;

	/* These are relatively safe rise/fall times; TODO: measure */
	i2c-scl-falling-time-ns = <50>;
	i2c-scl-rising-time-ns = <300>;

	/* 24M mclk is shared between world and user cameras */
	pinctrl-0 = <&i2c7_xfer &test_clkout1>;

	/* Rear-facing camera */
	wcam: camera@36 {
	compatible = "ovti,ov5695";
	reg = <0x36>;
	pinctrl-names = "default";
	pinctrl-0 = <&wcam_rst>;

	clocks = <&cru SCLK_TESTCLKOUT1>;
	clock-names = "xvclk";

	avdd-supply = <&pp2800_cam>;
	dvdd-supply = <&pp1250_cam>;
	dovdd-supply = <&pp1800_s0>;
	reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;

	port {
	wcam_out: endpoint {
	remote-endpoint = <&mipi_in_wcam>;
	data-lanes = <1 2>;
	};
	};
	};

	/* Front-facing camera */
	ucam: camera@3c {
	compatible = "ovti,ov2685";
	reg = <0x3c>;
	pinctrl-names = "default";
	pinctrl-0 = <&ucam_rst>;

	clocks = <&cru SCLK_TESTCLKOUT1>;
	clock-names = "xvclk";

	avdd-supply = <&pp2800_cam>;
	dovdd-supply = <&pp1800_s0>;
	dvdd-supply = <&pp1800_s0>;
	reset-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;

	port {
	ucam_out: endpoint {
	remote-endpoint = <&mipi_in_ucam>;
	data-lanes = <1>;
	};
	};
	};
	};

	&cdn_dp {
	extcon = <&usbc_extcon0>;
	phys = <&tcphy0_dp>;
	};

	&cpu_alert0 {
	temperature = <66000>;
	};

	&cpu_alert1 {
	temperature = <71000>;
	};

	&cros_ec {
	interrupt-parent = <&gpio1>;
	interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
	};

	&cru {
	assigned-clocks =
	<&cru PLL_GPLL>, <&cru PLL_CPLL>,
	<&cru PLL_NPLL>,
	<&cru ACLK_PERIHP>, <&cru HCLK_PERIHP>,
	<&cru PCLK_PERIHP>,
	<&cru ACLK_PERILP0>, <&cru HCLK_PERILP0>,
	<&cru PCLK_PERILP0>, <&cru ACLK_CCI>,
	<&cru HCLK_PERILP1>, <&cru PCLK_PERILP1>,
	<&cru ACLK_VIO>,
	<&cru ACLK_GIC_PRE>,
	<&cru PCLK_DDR>,
	<&cru ACLK_HDCP>;
	assigned-clock-rates =
	<600000000>, <1600000000>,
	<1000000000>,
	<150000000>, <75000000>,
	<37500000>,
	<100000000>, <100000000>,
	<50000000>, <800000000>,
	<100000000>, <50000000>,
	<400000000>,
	<200000000>,
	<200000000>,
	<400000000>;
	};

	&gpio0 {
	gpio-line-names = /* GPIO0 A 0-7 */
	"CLK_32K_AP",
	"EC_IN_RW_OD",
	"SPK_PA_EN",
	"WLAN_PERST_1V8_L",
	"WLAN_PD_1V8_L",
	"WLAN_RF_KILL_1V8_L",
	"BIGCPU_DVS_PWM",
	"SD_CD_L_JTAG_EN",

	/* GPIO0 B 0-5 */
	"BT_EN_BT_RF_KILL_1V8_L",
	"PMUIO2_33_18_L_PP3300_S0_EN",
	"TOUCH_RESET_L",
	"AP_EC_WARM_RESET_REQ",
	"PEN_RESET_L",
	/*
	* AP_FLASH_WP_L is crossystem ABI. Schematics call
	* it AP_FLASH_WP_R_ODL.
	*/
	"AP_FLASH_WP_L";
	};

	&gpio1 {
	gpio-line-names = /* GPIO1 A 0-7 */
	"PEN_INT_ODL",
	"PEN_EJECT_ODL",
	"BT_HOST_WAKE_1V8_L",
	"WLAN_HOST_WAKE_1V8_L",
	"TOUCH_INT_ODL",
	"AP_EC_S3_S0_L",
	"AP_EC_OVERTEMP",
	"AP_SPI_FLASH_MISO",

	/* GPIO1 B 0-7 */
	"AP_SPI_FLASH_MOSI_R",
	"AP_SPI_FLASH_CLK_R",
	"AP_SPI_FLASH_CS_L_R",
	"SD_CARD_DET_ODL",
	"",
	"AP_EXPANSION_IO1",
	"AP_EXPANSION_IO2",
	"AP_I2C_DISP_SDA",

	/* GPIO1 C 0-7 */
	"AP_I2C_DISP_SCL",
	"H1_INT_ODL",
	"EC_AP_INT_ODL",
	"LITCPU_DVS_PWM",
	"AP_I2C_AUDIO_SDA",
	"AP_I2C_AUDIO_SCL",
	"AP_EXPANSION_IO3",
	"HEADSET_INT_ODL",

	/* GPIO1 D0 */
	"AP_EXPANSION_IO4";
	};

	&gpio2 {
	gpio-line-names = /* GPIO2 A 0-7 */
	"AP_I2C_PEN_SDA",
	"AP_I2C_PEN_SCL",
	"SD_IO_PWR_EN",
	"UCAM_RST_L",
	"PP1250_CAM_EN",
	"WCAM_RST_L",
	"AP_EXPANSION_IO5",
	"AP_I2C_CAM_SDA",

	/* GPIO2 B 0-7 */
	"AP_I2C_CAM_SCL",
	"AP_H1_SPI_MISO",
	"AP_H1_SPI_MOSI",
	"AP_H1_SPI_CLK",
	"AP_H1_SPI_CS_L",
	"",
	"",
	"",

	/* GPIO2 C 0-7 */
	"UART_EXPANSION_TX_AP_RX",
	"UART_AP_TX_EXPANSION_RX",
	"UART_EXPANSION_RTS_AP_CTS",
	"UART_AP_RTS_EXPANSION_CTS",
	"AP_SPI_EC_MISO",
	"AP_SPI_EC_MOSI",
	"AP_SPI_EC_CLK",
	"AP_SPI_EC_CS_L",

	/* GPIO2 D 0-4 */
	"PP2800_CAM_EN",
	"CLK_24M_CAM",
	"WLAN_PCIE_CLKREQ_1V8_L",
	"",
	"SD_PWR_3000_1800_L";
	};

	&gpio3 {
	gpio-line-names = /* GPIO3 A 0-7 */
	"",
	"",
	"",
	"",
	"",
	"",
	"",
	"",

	/* GPIO3 B 0-7 */
	"",
	"",
	"",
	"",
	"",
	"",
	"",
	"",

	/* GPIO3 C 0-7 */
	"",
	"",
	"",
	"",
	"",
	"",
	"",
	"",

	/* GPIO3 D 0-7 */
	"I2S0_SCLK",
	"I2S0_LRCK_RX",
	"I2S0_LRCK_TX",
	"I2S0_SDI_0",
	"STRAP_LCDBIAS_L",
	"STRAP_FEATURE_1",
	"STRAP_FEATURE_2",
	"I2S0_SDO_0";
	};

	&gpio4 {
	gpio-line-names = /* GPIO4 A 0-7 */
	"I2S_MCLK",
	"AP_I2C_EXPANSION_SDA",
	"AP_I2C_EXPANSION_SCL",
	"DMIC_EN",
	"",
	"",
	"",
	"",

	/* GPIO4 B 0-7 */
	"",
	"",
	"",
	"",
	"",
	"",
	"",
	"",

	/* GPIO4 C 0-7 */
	"AP_I2C_TS_SDA",
	"AP_I2C_TS_SCL",
	"GPU_DVS_PWM",
	"UART_DBG_TX_AP_RX",
	"UART_AP_TX_DBG_RX",
	"BL_EN",
	"BL_PWM",
	"",

	/* GPIO4 D 0-5 */
	"",
	"DISPLAY_RST_L",
	"",
	"PPVARP_LCD_EN",
	"PPVARN_LCD_EN",
	"SD_SLOT_PWR_EN";
	};

	&i2c_tunnel {
	google,remote-bus = <0>;
	};

	&io_domains {
	bt656-supply = <&pp1800_s0>; /* APIO2_VDD; 2a 2b */
	audio-supply = <&pp1800_s0>; /* APIO5_VDD; 3d 4a */
	gpio1830-supply = <&pp1800_s0>; /* APIO4_VDD; 4c 4d */
	};

	&isp0 {
	status = "okay";

	ports {
	port@0 {
	mipi_in_wcam: endpoint@0 {
	reg = <0>;
	remote-endpoint = <&wcam_out>;
	data-lanes = <1 2>;
	};

	mipi_in_ucam: endpoint@1 {
	reg = <1>;
	remote-endpoint = <&ucam_out>;
	data-lanes = <1>;
	};
	};
	};
	};

	&isp0_mmu {
	status = "okay";
	};

	&max98357a {
	sdmode-gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
	};

	&mipi_dphy_rx0 {
	status = "okay";
	};

	&mipi_dsi {
	status = "okay";
	clock-master;

	ports {
	mipi_out: port@1 {
	reg = <1>;

	mipi_out_panel: endpoint {
	remote-endpoint = <&mipi_in_panel>;
	};
	};
	};

	mipi_panel: panel@0 {
	/* 2 different panels are used, compatibles are in dts files */
	reg = <0>;
	backlight = <&backlight>;
	enable-gpios = <&gpio4 25 GPIO_ACTIVE_HIGH>;
	pinctrl-names = "default";
	pinctrl-0 = <&display_rst_l>;

	ports {
	#address-cells = <1>;
	#size-cells = <0>;

	port@0 {
	reg = <0>;

	mipi_in_panel: endpoint {
	remote-endpoint = <&mipi_out_panel>;
	};
	};

	port@1 {
	reg = <1>;

	mipi1_in_panel: endpoint@1 {
	remote-endpoint = <&mipi1_out_panel>;
	};
	};
	};
	};
	};

	&mipi_dsi1 {
	status = "okay";

	ports {
	mipi1_out: port@1 {
	reg = <1>;

	mipi1_out_panel: endpoint {
	remote-endpoint = <&mipi1_in_panel>;
	};
	};
	};
	};

	&pcie0 {
	ep-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;

	/* PERST# asserted in S3 */
	pcie-reset-suspend = <1>;

	vpcie3v3-supply = <&wlan_3v3>;
	vpcie1v8-supply = <&pp1800_pcie>;
	};

	&sdmmc {
	cd-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
	};

	&sound {
	rockchip,codec = <&max98357a &dmic &codec &cdn_dp>;
	};

	&spi2 {
	status = "okay";

	cr50@0 {
	compatible = "google,cr50";
	reg = <0>;
	interrupt-parent = <&gpio1>;
	interrupts = <17 IRQ_TYPE_EDGE_RISING>;
	pinctrl-names = "default";
	pinctrl-0 = <&h1_int_od_l>;
	spi-max-frequency = <800000>;
	};
	};

	&usb_host0_ohci {
	#address-cells = <1>;
	#size-cells = <0>;

	qca_bt: bluetooth@1 {
	compatible = "usbcf3,e300", "usb4ca,301a";
	reg = <1>;
	pinctrl-names = "default";
	pinctrl-0 = <&bt_host_wake_l>;
	interrupt-parent = <&gpio1>;
	interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
	interrupt-names = "wakeup";
	};
	};

	/* PINCTRL OVERRIDES */
	&ec_ap_int_l {
	rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_up>;
	};

	&ap_fw_wp {
	rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
	};

	&bl_en {
	rockchip,pins = <4 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>;
	};

	&bt_host_wake_l {
	rockchip,pins = <1 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
	};

	&ec_ap_int_l {
	rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_up>;
	};

	&headset_int_l {
	rockchip,pins = <1 RK_PC7 RK_FUNC_GPIO &pcfg_pull_up>;
	};

	&i2s0_8ch_bus {
	rockchip,pins =
	<3 RK_PD0 1 &pcfg_pull_none_6ma>,
	<3 RK_PD1 1 &pcfg_pull_none_6ma>,
	<3 RK_PD2 1 &pcfg_pull_none_6ma>,
	<3 RK_PD3 1 &pcfg_pull_none_6ma>,
	<3 RK_PD7 1 &pcfg_pull_none_6ma>,
	<4 RK_PA0 1 &pcfg_pull_none_6ma>;
	};

	/* there is no external pull up, so need to set this pin pull up */
	&sdmmc_cd_pin {
	rockchip,pins = <1 RK_PB3 RK_FUNC_GPIO &pcfg_pull_up>;
	};

	&sd_pwr_1800_sel {
	rockchip,pins = <2 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>;
	};

	&sdmode_en {
	rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_down>;
	};

	&touch_reset_l {
	rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_down>;
	};

	&touch_int_l {
	rockchip,pins = <1 RK_PA4 RK_FUNC_GPIO &pcfg_pull_down>;
	};

	&pinctrl {
	pinctrl-0 = <
	&ap_pwroff /* AP will auto-assert this when in S3 */
	&clk_32k /* This pin is always 32k on gru boards */
	&wlan_rf_kill_1v8_l
	>;

	pcfg_pull_none_6ma: pcfg-pull-none-6ma {
	bias-disable;
	drive-strength = <6>;
	};

	camera {
	pp1250_cam_en: pp1250-dvdd {
	rockchip,pins = <2 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
	};

	pp2800_cam_en: pp2800-avdd {
	rockchip,pins = <2 RK_PD0 RK_FUNC_GPIO &pcfg_pull_none>;
	};

	ucam_rst: ucam_rst {
	rockchip,pins = <2 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
	};

	wcam_rst: wcam_rst {
	rockchip,pins = <2 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
	};
	};

	digitizer {
	pen_int_odl: pen-int-odl {
	rockchip,pins = <1 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
	};

	pen_reset_l: pen-reset-l {
	rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
	};
	};

	discrete-regulators {
	display_rst_l: display-rst-l {
	rockchip,pins = <4 RK_PD1 RK_FUNC_GPIO &pcfg_pull_down>;
	};

	ppvarp_lcd_en: ppvarp-lcd-en {
	rockchip,pins = <4 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
	};

	ppvarn_lcd_en: ppvarn-lcd-en {
	rockchip,pins = <4 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
	};
	};

	dmic {
	dmic_en: dmic-en {
	rockchip,pins = <4 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
	};
	};

	pen {
	pen_eject_odl: pen-eject-odl {
	rockchip,pins = <1 RK_PA1 RK_FUNC_GPIO &pcfg_pull_up>;
	};
	};

	tpm {
	h1_int_od_l: h1-int-od-l {
	rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_up>;
	};
	};
	};

	&wifi {
	bt_en_1v8_l: bt-en-1v8-l {
	rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
	};

	wlan_pd_1v8_l: wlan-pd-1v8-l {
	rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
	};

	/* Default pull-up, but just to be clear */
	wlan_rf_kill_1v8_l: wlan-rf-kill-1v8-l {
	rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
	};

	wifi_perst_l: wifi-perst-l {
	rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
	};

	wlan_host_wake_l: wlan-host-wake-l {
	rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
	};
	};