arch/arm/boot/dts/ste-ux500-samsung-gavini.dts - linux - Git at Google

 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Devicetree for the Samsung Galaxy Beam GT-I8530 also known as Gavini.
  */

 /dts-v1/;
 #include "ste-db8500.dtsi"
 #include "ste-ab8500.dtsi"
 #include "ste-dbx5x0-pinctrl.dtsi"
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/leds/common.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/irq.h>

 / {
 	model = "Samsung Galaxy Beam (GT-I8530)";
 	compatible = "samsung,gavini", "st-ericsson,u8500";

 	chosen {
 		stdout-path = &serial2;
 	};

 	/* TI TXS0206 level translator for 2.9 V */
 	sd_level_translator: regulator-gpio {
 		compatible = "regulator-fixed";

 		/* GPIO193 EN */
 		gpios = <&gpio6 1 GPIO_ACTIVE_HIGH>;
 		enable-active-high;

 		regulator-name = "sd-level-translator";
 		regulator-min-microvolt = <2900000>;
 		regulator-max-microvolt = <2900000>;
 		regulator-type = "voltage";

 		startup-delay-us = <200>;

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

 	/* External LDO for eMMC LDO VMEM_3V3 controlled by GPIO6 */
 	ldo_3v3_reg: regulator-gpio-ldo-3v3 {
 		compatible = "regulator-fixed";
 		/* Supplied in turn by VBAT */
 		regulator-name = "VMEM_3V3";
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
 		gpio = <&gpio0 6 GPIO_ACTIVE_HIGH>;
 		startup-delay-us = <5000>; // FIXME
 		enable-active-high;
 		pinctrl-names = "default";
 		pinctrl-0 = <&emmc_ldo_en_default_mode>;
 	};

 	/*
 	 * External Ricoh "TSP" regulator for the touchscreen.
 	 * One GPIO line controls two voltages of 3.3V and 1.8V
 	 * this line is known as "TSP_LDO_ON1" in the schematics.
 	 */
 	ldo_tsp_3v3_reg: regulator-gpio-tsp-ldo-3v3 {
 		compatible = "regulator-fixed";
 		/* Supplied in turn by VBAT */
 		regulator-name = "LDO_TSP_A3V3";
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
 		/* GPIO94 controls this regulator */
 		gpio = <&gpio2 30 GPIO_ACTIVE_HIGH>;
 		/* 70 ms power-on delay */
 		startup-delay-us = <70000>;
 		enable-active-high;
 		pinctrl-names = "default";
 		pinctrl-0 = <&tsp_ldo_en_default_mode>;
 	};
 	ldo_tsp_1v8_reg: regulator-gpio-tsp-ldo-1v8 {
 		compatible = "regulator-fixed";
 		/* Supplied in turn by VBAT */
 		regulator-name = "VREG_TSP_1V8";
 		regulator-min-microvolt = <1800000>;
 		regulator-max-microvolt = <1800000>;
 		/* GPIO94 controls this regulator */
 		gpio = <&gpio2 30 GPIO_ACTIVE_HIGH>;
 		/* 70 ms power-on delay */
 		startup-delay-us = <70000>;
 		enable-active-high;
 		pinctrl-names = "default";
 		pinctrl-0 = <&tsp_ldo_en_default_mode>;
 	};

 	/*
 	 * External Ricoh RP152L010B-TR LCD LDO regulator for the display.
 	 * LCD_PWR_EN controls both a 3.0V and 1.8V output.
 	 */
 	lcd_3v0_reg: regulator-gpio-lcd-3v0 {
 		compatible = "regulator-fixed";
 		/* Supplied in turn by VBAT */
 		regulator-name = "VREG_LCD_3V0";
 		regulator-min-microvolt = <3000000>;
 		regulator-max-microvolt = <3000000>;
 		/* GPIO219 controls this regulator */
 		gpio = <&gpio6 27 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 		pinctrl-names = "default";
 		pinctrl-0 = <&lcd_pwr_en_default_mode>;
 	};
 	lcd_1v8_reg: regulator-gpio-lcd-1v8 {
 		compatible = "regulator-fixed";
 		/* Supplied in turn by VBAT */
 		regulator-name = "VREG_LCD_1V8";
 		regulator-min-microvolt = <1800000>;
 		regulator-max-microvolt = <1800000>;
 		/* GPIO219 controls this regulator too */
 		gpio = <&gpio6 27 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 		pinctrl-names = "default";
 		pinctrl-0 = <&lcd_pwr_en_default_mode>;
 	};

 	/*
 	 * This regulator is a GPIO line that drives the Broadcom WLAN
 	 * line WL_REG_ON high and enables the internal regulators
 	 * inside the chip. Unfortunatley it is erroneously named
 	 * WLAN_RST_N on the schematic but it is not a reset line.
 	 *
 	 * The voltage specified here is only used to determine the OCR mask,
 	 * the for the SDIO connector, the chip is actually connected
 	 * directly to VBAT.
 	 */
 	wl_reg: regulator-gpio-wlan {
 		compatible = "regulator-fixed";
 		regulator-name = "WL_REG_ON";
 		regulator-min-microvolt = <3000000>;
 		regulator-max-microvolt = <3000000>;
 		startup-delay-us = <100000>;
 		/* GPIO215 (WLAN_RST_N to WL_REG_ON) */
 		gpio = <&gpio6 23 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 		pinctrl-names = "default";
 		pinctrl-0 = <&wlan_ldo_en_default>;
 	};

 	gpio-keys {
 		compatible = "gpio-keys";
 		pinctrl-names = "default";
 		pinctrl-0 = <&gpio_keys_default_mode>;

 		button-projector {
 			linux,code = <KEY_SWITCHVIDEOMODE>;
 			label = "Projector";
 			/* GPIO32 "Projector On HotKey" */
 			gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
 		};
 		button-home {
 			linux,code = <KEY_HOME>;
 			label = "HOME";
 			/* GPIO91 */
 			gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
 		};
 		button-volup {
 			linux,code = <KEY_VOLUMEUP>;
 			label = "VOL+";
 			/* GPIO67 */
 			gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
 		};
 		button-voldown {
 			linux,code = <KEY_VOLUMEDOWN>;
 			label = "VOL-";
 			/* GPIO92 */
 			gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
 		};
 	};

 	/* Richtek RT8515GQW Flash LED Driver IC */
 	flash {
 		compatible = "richtek,rt8515";
 		/* GPIO 140 */
 		enf-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
 		/* GPIO 141 */
 		ent-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
 		/*
 		 * RFS is 16 kOhm and RTS is 100 kOhm giving
 		 * the flash max current 343mA and torch max
 		 * current 55 mA.
 		 */
 		richtek,rfs-ohms = <16000>;
 		richtek,rts-ohms = <100000>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&gpio_flash_default_mode>;

 		led {
 			function = LED_FUNCTION_FLASH;
 			color = <LED_COLOR_ID_WHITE>;
 			flash-max-timeout-us = <250000>;
 			flash-max-microamp = <343750>;
 			led-max-microamp = <55000>;
 		};
 	};

 	gpio-leds {
 		compatible = "gpio-leds";
 		pinctrl-names = "default";
 		pinctrl-0 = <&gpio_leds_default_mode>;
 		used-led {
 			label = "touchkeys";
 			/* GPIO68 */
 			gpios = <&gpio2 4 GPIO_ACTIVE_HIGH>;
 			default-state = "on";
 		};
 	};

 	ktd259: backlight {
 		compatible = "kinetic,ktd259";
 		/* GPIO20 */
 		enable-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
 		/* Default to 13/32 brightness */
 		default-brightness = <13>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&ktd259_backlight_default_mode>;
 	};

 	/* Bit-banged I2C on GPIO143 and GPIO144 also called "SUBPMU I2C" */
 	i2c-gpio-0 {
 		compatible = "i2c-gpio";
 		sda-gpios = <&gpio4 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 		scl-gpios = <&gpio4 15 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2c_gpio_0_default>;
 		#address-cells = <1>;
 		#size-cells = <0>;

 		/* TODO: Memsic MMC328 magnetometer */
 		magnetometer@30 {
 			compatible = "memsic,mmc328";
 			reg = <0x30>;
 			/* TODO: if you have the schematic, check if both voltages come from AUX2 */
 			/* VDA 1.8 V */
 			vda-supply = <&ab8500_ldo_aux2_reg>;
 			/* VDD 1.8V */
 			vdd-supply = <&ab8500_ldo_aux2_reg>;
 			/* GPIO204 */
 			reset-gpios = <&gpio6 12 GPIO_ACTIVE_LOW>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&mmc328_default>;
 		};
 		/* TODO: this should also be used by the NCP6914 Camera power management unit */
 	};

 	/*
 	 * TODO: See if we can use the PL023 for this instead.
 	 */
 	spi-gpio-0 {
 		compatible = "spi-gpio";
 		/* Clock on GPIO220, pin SCL */
 		sck-gpios = <&gpio6 28 GPIO_ACTIVE_HIGH>;
 		/* MOSI on GPIO224, pin SDI "slave data in" */
 		mosi-gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>;
 		/* MISO on GPIO225, pin SDO "slave data out" */
 		miso-gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>;
 		/* Chip select on GPIO223 */
 		cs-gpios = <&gpio6 31 GPIO_ACTIVE_LOW>;
 		num-chipselects = <1>;

 		pinctrl-names = "default";
 		pinctrl-0 = <&spi_gpio_0_default>;
 		#address-cells = <1>;
 		#size-cells = <0>;

 		panel@0 {
 			compatible = "samsung,lms397kf04";
 			/* 300 ns at read cycle -> 3 MHz max speed */
 			//spi-max-frequency = <3000000>;
 			spi-max-frequency = <1200000>;
 			/* TYPE 3: inverse clock polarity and phase */
 			spi-cpha;
 			spi-cpol;

 			reg = <0>;
 			vci-supply = <&lcd_3v0_reg>;
 			vccio-supply = <&lcd_1v8_reg>;
 			/* Reset on GPIO139 */
 			reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&panel_default_mode>;
 			backlight = <&ktd259>;

 			port {
 				panel_in: endpoint {
 					remote-endpoint = <&display_out>;
 				};
 			};
 		};
 	};

 	/* Bit-banged I2C on GPIO201 and GPIO202 also called "MOT_I2C" */
 	i2c-gpio-2 {
 		compatible = "i2c-gpio";
 		sda-gpios = <&gpio6 10 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 		scl-gpios = <&gpio6 9 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2c_gpio_2_default>;
 		#address-cells = <1>;
 		#size-cells = <0>;
 		/* TODO: add the Immersion ISA1200 I2C device here */
 	};

 	/* Bit-banged I2C on GPIO196 and GPIO197 also called "MPR_I2C" */
 	i2c-gpio-3 {
 		compatible = "i2c-gpio";
 		sda-gpios = <&gpio6 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 		scl-gpios = <&gpio6 4 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2c_gpio_3_default>;
 		#address-cells = <1>;
 		#size-cells = <0>;
 		/* TODO: add the DPP2601 projector I2C device 0x1b here */
 	};

 	soc {
 		/* External Micro SD slot */
 		mmc@80126000 {
 			arm,primecell-periphid = <0x10480180>;
 			max-frequency = <50000000>;
 			bus-width = <4>;
 			cap-sd-highspeed;
 			cap-mmc-highspeed;
 			st,sig-pin-fbclk;
 			full-pwr-cycle;
 			/* MMC is powered by AUX3 1.2V .. 2.91V */
 			vmmc-supply = <&ab8500_ldo_aux3_reg>;
 			/* 2.9 V level translator */
 			vqmmc-supply = <&sd_level_translator>;
 			pinctrl-names = "default", "sleep";
 			pinctrl-0 = <&mc0_a_2_default>;
 			pinctrl-1 = <&mc0_a_2_sleep>;
 			/* "flash detect" actually card detect */
 			cd-gpios  = <&gpio6 25 GPIO_ACTIVE_LOW>;
 			status = "okay";
 		};

 		/* WLAN SDIO channel */
 		mmc@80118000 {
 			arm,primecell-periphid = <0x10480180>;
 			max-frequency = <50000000>;
 			bus-width = <4>;
 			non-removable;
 			cap-sd-highspeed;
 			pinctrl-names = "default", "sleep";
 			pinctrl-0 = <&mc1_a_2_default>;
 			pinctrl-1 = <&mc1_a_2_sleep>;
 			/*
 			 * GPIO-controlled voltage enablement: this drives
 			 * the WL_REG_ON line high when we use this device.
 			 * Represented as regulator to fill OCR mask.
 			 */
 			vmmc-supply = <&wl_reg>;

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

 			wifi@1 {
 				compatible = "brcm,bcm4330-fmac", "brcm,bcm4329-fmac";
 				reg = <1>;
 				/* GPIO216 WL_HOST_WAKE */
 				interrupt-parent = <&gpio6>;
 				interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
 				interrupt-names = "host-wake";
 				pinctrl-names = "default";
 				pinctrl-0 = <&wlan_default_mode>;
 			};
 		};

 		/* eMMC */
 		mmc@80005000 {
 			arm,primecell-periphid = <0x10480180>;
 		        max-frequency = <50000000>;
 			bus-width = <8>;
 			non-removable;
 			cap-mmc-highspeed;
 			mmc-ddr-1_8v;
 			no-sdio;
 			no-sd;
 			vmmc-supply = <&ldo_3v3_reg>;
 			pinctrl-names = "default", "sleep";
 			pinctrl-0 = <&mc2_a_1_default>;
 			pinctrl-1 = <&mc2_a_1_sleep>;
 			status = "okay";
 		};

 		/* GBF (Bluetooth) UART */
 		uart@80120000 {
 			pinctrl-names = "default", "sleep";
 			pinctrl-0 = <&u0_a_1_default>;
 			pinctrl-1 = <&u0_a_1_sleep>;
 			status = "okay";

 			bluetooth {
 				compatible = "brcm,bcm4330-bt";
 				/* GPIO222 rail BT_VREG_EN to BT_REG_ON */
 				shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
 				/* BT_WAKE on GPIO199 */
 				device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
 				/* BT_HOST_WAKE on GPIO97 */
 				host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
 				/* BT_RST_N on GPIO209 */
 				reset-gpios = <&gpio6 17 GPIO_ACTIVE_LOW>;
 				pinctrl-names = "default";
 				pinctrl-0 = <&bluetooth_default_mode>;
 			};
 		};

 		/* GPS UART */
 		uart@80121000 {
 			status = "okay";
 			pinctrl-names = "default", "sleep";
 			/* CTS/RTS is not used, CTS is repurposed as GPIO */
 			pinctrl-0 = <&u1rxtx_a_1_default>;
 			pinctrl-1 = <&u1rxtx_a_1_sleep>;
 			/* FIXME: add a device for the GPS here */
 		};

 		/* Debugging console UART connected to TSU6111RSVR (FSA880) */
 		uart@80007000 {
 			status = "okay";
 			pinctrl-names = "default", "sleep";
 			pinctrl-0 = <&u2rxtx_c_1_default>;
 			pinctrl-1 = <&u2rxtx_c_1_sleep>;
 		};

 		prcmu@80157000 {
 			ab8500 {
 				ab8500_usb {
 					pinctrl-names = "default", "sleep";
 					pinctrl-0 = <&usb_a_1_default>;
 					pinctrl-1 = <&usb_a_1_sleep>;
 				};

 				ab8500-regulators {
 					ab8500_ldo_aux1 {
 						/* Used for VDD for sensors */
 						regulator-name = "V-SENSORS-VDD";
 						regulator-min-microvolt = <3000000>;
 						regulator-max-microvolt = <3000000>;
 					};

 					ab8500_ldo_aux2 {
 						/* Used for VIO for sensors */
 						regulator-name = "V-SENSORS-VIO";
 						regulator-min-microvolt = <1800000>;
 						regulator-max-microvolt = <1800000>;
 					};

 					ab8500_ldo_aux3 {
 						/* Used for voltage for external MMC/SD card */
 						regulator-name = "V-MMC-SD";
 						regulator-min-microvolt = <1200000>;
 						regulator-max-microvolt = <2910000>;
 					};
 				};
 			};
 		};

 		/* I2C0 */
 		i2c@80004000 {
 			status = "okay";
 			pinctrl-names = "default", "sleep";
 			pinctrl-0 = <&i2c0_a_1_default>;
 			pinctrl-1 = <&i2c0_a_1_sleep>;

 			/* FIXME: fix the proximity sensor bindings and driver */
 			proximity@39 {
 				/* Gavini has the GP2A030S00F proximity sensor */
 				compatible = "sharp,gp2a030s00f";
 				clock-frequency = <400000>;
 				reg = <0x39>;
 				/* FIXME: GPIO146 provides power on, IR LED? */
 			};

 			gyroscope@68 {
 				compatible = "invensense,mpu3050";
 				reg = <0x68>;
 				/* GPIO226 interrupt */
 				interrupt-parent = <&gpio7>;
 				interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
 				mount-matrix = "0", "1", "0",
 					       "1", "0", "0",
 					       "0", "0", "1";
 				vlogic-supply = <&ab8500_ldo_aux2_reg>; // 1.8V
 				vdd-supply = <&ab8500_ldo_aux1_reg>; // 3V
 				pinctrl-names = "default";
 				pinctrl-0 = <&mpu3050_default>;

 				/*
 				 * The MPU-3050 acts as a hub for the
 				 * accelerometer.
 				 */
 				i2c-gate {
 					#address-cells = <1>;
 					#size-cells = <0>;

 					/* Bosch BMA222E accelerometer */
 					accelerometer@18 {
 						compatible = "bosch,bma222e";
 						reg = <0x18>;
 						mount-matrix = "0", "1", "0",
 							       "-1", "0", "0",
 							       "0", "0", "1";
 						vddio-supply = <&ab8500_ldo_aux2_reg>; // 1.8V
 						vdd-supply = <&ab8500_ldo_aux1_reg>; // 3V
 					};
 				};
 			};
 		};

 		/* I2C2 "AGC I2C" */
 		i2c@80128000 {
 			status = "okay";
 			pinctrl-names = "default", "sleep";
 			pinctrl-0 = <&i2c2_b_1_default>;
 			pinctrl-1 = <&i2c2_b_1_sleep>;

 			/* Texas Instruments TSU6111 micro USB switch */
 			usb-switch@25 {
 				compatible = "ti,tsu6111";
 				reg = <0x25>;
 				/* Interrupt JACK_INT_N on GPIO95 */
 				interrupt-parent = <&gpio2>;
 				interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
 				pinctrl-names = "default";
 				pinctrl-0 = <&tsu6111_default>;
 			};
 		};

 		/* I2C3 */
 		i2c@80110000 {
 			status = "okay";

 			pinctrl-names = "default", "sleep";
 			pinctrl-0 = <&i2c3_c_2_default>;
 			pinctrl-1 = <&i2c3_c_2_sleep>;

 			/* Melfas MMS136 touchscreen */
 			touchscreen@48 {
 				compatible = "melfas,mms136";
 				reg = <0x48>;
 				/* GPIO218 (TSP_INT_1V8) */
 				interrupt-parent = <&gpio6>;
 				interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
 				/* AVDD is "analog supply", 2.57-3.47 V */
 				avdd-supply = <&ldo_tsp_3v3_reg>;
 				/* VDD is "digital supply" 1.71-3.47V */
 				vdd-supply = <&ldo_tsp_1v8_reg>;
 				pinctrl-names = "default";
 				pinctrl-0 = <&tsp_default>;
 				touchscreen-size-x = <480>;
 				touchscreen-size-y = <800>;
 			};
 		};

 		mcde@a0350000 {
 			status = "okay";
 			pinctrl-names = "default";
 			pinctrl-0 = <&dpi_default_mode>;

 			port {
 				display_out: endpoint {
 					remote-endpoint = <&panel_in>;
 				};
 			};
 		};
 	};
 };

 &pinctrl {
 	/*
 	 * This extends the MC0_A_2 default config to include
 	 * the card detect GPIO217 line.
 	 */
 	sdi0 {
 		mc0_a_2_default {
 			default_cfg4 {
 				pins = "GPIO217_AH12"; /* card detect */
 				ste,config = <&gpio_in_nopull>;
 			};
 		};
 	};
 	mcde {
 		dpi_default_mode: dpi_default {
 			default_mux1 {
 				/* Mux in all the data lines */
 				function = "lcd";
 				groups =
 					/* Data lines D0-D7 GPIO70..GPIO77 */
 					"lcd_d0_d7_a_1",
 					/* Data lines D8-D11 GPIO78..GPIO81 */
 					"lcd_d8_d11_a_1",
 					/* Data lines D12-D15 GPIO82..GPIO85 */
 					"lcd_d12_d15_a_1",
 					/* Data lines D16-D23 GPIO161..GPIO168 */
 					"lcd_d16_d23_b_1";
 			};
 			default_mux2 {
 				function = "lcda";
 				/* Clock line on GPIO150, DE, VSO, HSO on GPIO169..GPIO171 */
 				groups = "lcdaclk_b_1", "lcda_b_1";
 			};
 			/* Input, no pull-up is the default state for pins used for an alt function */
 			default_cfg1 {
 				pins = "GPIO150_C14", "GPIO169_D22", "GPIO170_C23", "GPIO171_D23";
 				ste,config = <&in_nopull>;
 			};
 		};
 	};
 	/* GPIO for panel reset control */
 	panel {
 		panel_default_mode: panel_default {
 			gavini_cfg1 {
 				/* Reset line */
 				pins = "GPIO139_C9";
 				ste,config = <&gpio_out_lo>;
 			};
 		};
 	};
 	/* GPIO that enables the LDO regulator for the eMMC */
 	emmc-ldo {
 		emmc_ldo_en_default_mode: emmc_ldo_default {
 			/* LDO enable on GPIO6 */
 			gavini_cfg1 {
 				pins = "GPIO6_AF6";
 				ste,config = <&gpio_out_hi>;
 			};
 		};
 	};
 	/* GPIO that enables the LDO regulator for the touchscreen */
 	tsp-ldo {
 		tsp_ldo_en_default_mode: tsp_ldo_default {
 			/* LDO enable on GPIO94 */
 			gavini_cfg1 {
 				pins = "GPIO94_D7";
 				ste,config = <&gpio_out_hi>;
 			};
 		};
 	};
 	/* Flash and torch */
 	flash {
 		gpio_flash_default_mode: flash_default {
 			janice_cfg1 {
 				pins = "GPIO140_B11", "GPIO141_C12";
 				ste,config = <&gpio_out_lo>;
 			};
 		};
 	};
 	/* GPIO that enables the LDO regulator for the key LED */
 	gpio-leds {
 		gpio_leds_default_mode: gpio_leds_default {
 			/* EN_LED_LDO on GPIO68 */
 			gavini_cfg1 {
 				pins = "GPIO68_E1";
 				ste,config = <&gpio_out_hi>;
 			};
 		};
 	};
 	backlight {
 		ktd259_backlight_default_mode: backlight_default {
 			skomer_cfg1 {
 				pins = "GPIO20_AB4"; /* LCD_BL_EN */
 				ste,config = <&gpio_out_lo>;
 			};
 		};
 	};
 	/* GPIO that enables the LDO regulator for the touchkeys */
 	touchkey-ldo {
 		tsp_ldo_on2_default_mode: tsp_ldo_on2_default {
 			/* TSP_LDO_ON2 on GPIO89 */
 			gavini_cfg1 {
 				pins = "GPIO89_E6";
 				ste,config = <&gpio_out_lo>;
 			};
 		};
 	};
 	touchkey {
 		touchkey_default_mode: touchkey_default {
 			gavini_cfg1 {
 				/* Interrupt */
 				pins = "GPIO198_AG25";
 				ste,config = <&gpio_in_nopull>;
 			};
 			gavini_cfg2 {
 				/* Reset, actually completely unused (not routed) */
 				pins = "GPIO205_AG23";
 				ste,config = <&gpio_in_pd>;
 			};
 		};
 	};
 	/* GPIO that enables the LDO regulator for the LCD display */
 	lcd-ldo {
 		lcd_pwr_en_default_mode: lcd_pwr_en_default {
 			/* LCD_PWR_EN on GPIO219 */
 			gavini_cfg1 {
 				pins = "GPIO219_AG10";
 				ste,config = <&gpio_out_hi>;
 			};
 		};
 	};
 	/* GPIO that enables the WLAN internal LDO regulators */
 	wlan-ldo {
 		wlan_ldo_en_default: wlan_ldo_default {
 			/* GPIO215 named WLAN_RST_N */
 			gavini_cfg1 {
 				pins = "GPIO215_AH13";
 				ste,config = <&gpio_out_lo>;
 			};
 		};
 	};
 	/* GPIO that enables the 2.9V SD card level translator */
 	sd-level-translator {
 		sd_level_translator_default: sd_level_translator_default {
 			/* level shifter on GPIO193 */
 			skomer_cfg1 {
 				pins = "GPIO193_AH27";
 				ste,config = <&gpio_out_hi>;
 			};
 		};
 	};
 	/* GPIO keys */
 	gpio-keys {
 		gpio_keys_default_mode: gpio_keys_default {
 			skomer_cfg1 {
 				pins = "GPIO32_V2", /* Projector On HotKey */
 				       "GPIO67_G2", /* VOL UP */
 				       "GPIO91_B6", /* HOME */
 				       "GPIO92_D6"; /* VOL DOWN */
 				ste,config = <&gpio_in_pu>;
 			};
 		};
 	};
 	/* Interrupt line for the Atmel MXT228 touchscreen */
 	tsp {
 		tsp_default: tsp_default {
 			gavini_cfg1 {
 				pins = "GPIO218_AH11";	/* TSP_INT_1V8 */
 				ste,config = <&gpio_in_nopull>;
 			};
 		};
 	};
 	/* Reset line for the Memsic MMC328 magnetometer */
 	mmc328 {
 		mmc328_default: mmc328_gavini {
 			gavini_cfg1 {
 				pins = "GPIO204_AF23";
 				ste,config = <&gpio_out_hi>;
 			};
 		};
 	};
 	/* Interrupt line for Invensense MPU3050 gyroscope */
 	mpu3050 {
 		mpu3050_default: mpu3050 {
 			gavini_cfg1 {
 				/* GPIO226 used for IRQ */
 				pins = "GPIO226_AF8";
 				ste,config = <&gpio_in_nopull>;
 			};
 		};
 	};
 	/* GPIO-based I2C bus for magnetometer and NCP6914 */
 	i2c-gpio-0 {
 		i2c_gpio_0_default: i2c_gpio_0 {
 			gavini_cfg1 {
 				pins = "GPIO143_D12", "GPIO144_B13";
 				ste,config = <&gpio_in_nopull>;
 			};
 		};
 	};
 	/* GPIO-based I2C bus for the Immersion ISA1200 */
 	i2c-gpio-2 {
 		i2c_gpio_2_default: i2c_gpio_2 {
 			gavini_cfg1 {
 				pins = "GPIO201_AF24", "GPIO202_AF25";
 				ste,config = <&gpio_in_nopull>;
 			};
 		};
 	};
 	/* GPIO-based I2C bus for the TI DPP2601 */
 	i2c-gpio-3 {
 		i2c_gpio_3_default: i2c_gpio_3 {
 			gavini_cfg1 {
 				pins = "GPIO196_AG26", "GPIO197_AH24";
 				ste,config = <&gpio_in_nopull>;
 			};
 		};
 	};
 	/* GPIO-based SPI bus for the display */
 	spi-gpio-0 {
 		spi_gpio_0_default: spi_gpio_0_d {
 			gavini_cfg1 {
 				pins = "GPIO220_AH10", "GPIO223_AH9", "GPIO224_AG9";
 				ste,config = <&gpio_out_hi>;
 			};
 			gavini_cfg2 {
 				pins = "GPIO225_AG8";
 				ste,config = <&gpio_in_nopull>;
 			};
 		};
 		spi_gpio_0_sleep: spi_gpio_0_s {
 			gavini_cfg1 {
 				pins = "GPIO220_AH10", "GPIO223_AH9",
 				     "GPIO224_AG9", "GPIO225_AG8";
 				ste,config = <&gpio_out_hi>;
 			};
 			gavini_cfg2 {
 				pins = "GPIO225_AG8";
 				ste,config = <&gpio_out_lo>;
 			};
 		};
 	};
 	wlan {
 		wlan_default_mode: wlan_default {
 			/* GPIO216 for WL_HOST_WAKE */
 			gavini_cfg2 {
 				pins = "GPIO216_AG12";
 				ste,config = <&gpio_in_pd>;
 			};
 		};
 	};
 	bluetooth {
 		bluetooth_default_mode: bluetooth_default {
 			/* GPIO199 BT_WAKE and GPIO222 BT_VREG_ON */
 			gavini_cfg1 {
 				pins = "GPIO199_AH23", "GPIO222_AJ9";
 				ste,config = <&gpio_out_lo>;
 			};
 			/* GPIO97 BT_HOST_WAKE */
 			gavini_cfg2 {
 				pins = "GPIO97_D9";
 				ste,config = <&gpio_in_nopull>;
 			};
 			/* GPIO209 BT_RST_N */
 			gavini_cfg3 {
 				pins = "GPIO209_AG15";
 				ste,config = <&gpio_out_hi>;
 			};
 		};
 	};
 	/* Interrupt line for TI TSU6111 Micro USB switch */
 	tsu6111 {
 		tsu6111_default: tsu6111 {
 			gavini_cfg1 {
 				/* GPIO95 used for IRQ */
 				pins = "GPIO95_E8";
 				ste,config = <&gpio_in_nopull>;
 			};
 		};
 	};
 };
	// SPDX-License-Identifier: GPL-2.0-only
	/*
	* Devicetree for the Samsung Galaxy Beam GT-I8530 also known as Gavini.
	*/

	/dts-v1/;
	#include "ste-db8500.dtsi"
	#include "ste-ab8500.dtsi"
	#include "ste-dbx5x0-pinctrl.dtsi"
	#include <dt-bindings/gpio/gpio.h>
	#include <dt-bindings/leds/common.h>
	#include <dt-bindings/input/input.h>
	#include <dt-bindings/interrupt-controller/irq.h>

	/ {
	model = "Samsung Galaxy Beam (GT-I8530)";
	compatible = "samsung,gavini", "st-ericsson,u8500";

	chosen {
	stdout-path = &serial2;
	};

	/* TI TXS0206 level translator for 2.9 V */
	sd_level_translator: regulator-gpio {
	compatible = "regulator-fixed";

	/* GPIO193 EN */
	gpios = <&gpio6 1 GPIO_ACTIVE_HIGH>;
	enable-active-high;

	regulator-name = "sd-level-translator";
	regulator-min-microvolt = <2900000>;
	regulator-max-microvolt = <2900000>;
	regulator-type = "voltage";

	startup-delay-us = <200>;

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

	/* External LDO for eMMC LDO VMEM_3V3 controlled by GPIO6 */
	ldo_3v3_reg: regulator-gpio-ldo-3v3 {
	compatible = "regulator-fixed";
	/* Supplied in turn by VBAT */
	regulator-name = "VMEM_3V3";
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	gpio = <&gpio0 6 GPIO_ACTIVE_HIGH>;
	startup-delay-us = <5000>; // FIXME
	enable-active-high;
	pinctrl-names = "default";
	pinctrl-0 = <&emmc_ldo_en_default_mode>;
	};

	/*
	* External Ricoh "TSP" regulator for the touchscreen.
	* One GPIO line controls two voltages of 3.3V and 1.8V
	* this line is known as "TSP_LDO_ON1" in the schematics.
	*/
	ldo_tsp_3v3_reg: regulator-gpio-tsp-ldo-3v3 {
	compatible = "regulator-fixed";
	/* Supplied in turn by VBAT */
	regulator-name = "LDO_TSP_A3V3";
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	/* GPIO94 controls this regulator */
	gpio = <&gpio2 30 GPIO_ACTIVE_HIGH>;
	/* 70 ms power-on delay */
	startup-delay-us = <70000>;
	enable-active-high;
	pinctrl-names = "default";
	pinctrl-0 = <&tsp_ldo_en_default_mode>;
	};
	ldo_tsp_1v8_reg: regulator-gpio-tsp-ldo-1v8 {
	compatible = "regulator-fixed";
	/* Supplied in turn by VBAT */
	regulator-name = "VREG_TSP_1V8";
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	/* GPIO94 controls this regulator */
	gpio = <&gpio2 30 GPIO_ACTIVE_HIGH>;
	/* 70 ms power-on delay */
	startup-delay-us = <70000>;
	enable-active-high;
	pinctrl-names = "default";
	pinctrl-0 = <&tsp_ldo_en_default_mode>;
	};

	/*
	* External Ricoh RP152L010B-TR LCD LDO regulator for the display.
	* LCD_PWR_EN controls both a 3.0V and 1.8V output.
	*/
	lcd_3v0_reg: regulator-gpio-lcd-3v0 {
	compatible = "regulator-fixed";
	/* Supplied in turn by VBAT */
	regulator-name = "VREG_LCD_3V0";
	regulator-min-microvolt = <3000000>;
	regulator-max-microvolt = <3000000>;
	/* GPIO219 controls this regulator */
	gpio = <&gpio6 27 GPIO_ACTIVE_HIGH>;
	enable-active-high;
	pinctrl-names = "default";
	pinctrl-0 = <&lcd_pwr_en_default_mode>;
	};
	lcd_1v8_reg: regulator-gpio-lcd-1v8 {
	compatible = "regulator-fixed";
	/* Supplied in turn by VBAT */
	regulator-name = "VREG_LCD_1V8";
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	/* GPIO219 controls this regulator too */
	gpio = <&gpio6 27 GPIO_ACTIVE_HIGH>;
	enable-active-high;
	pinctrl-names = "default";
	pinctrl-0 = <&lcd_pwr_en_default_mode>;
	};

	/*
	* This regulator is a GPIO line that drives the Broadcom WLAN
	* line WL_REG_ON high and enables the internal regulators
	* inside the chip. Unfortunatley it is erroneously named
	* WLAN_RST_N on the schematic but it is not a reset line.
	*
	* The voltage specified here is only used to determine the OCR mask,
	* the for the SDIO connector, the chip is actually connected
	* directly to VBAT.
	*/
	wl_reg: regulator-gpio-wlan {
	compatible = "regulator-fixed";
	regulator-name = "WL_REG_ON";
	regulator-min-microvolt = <3000000>;
	regulator-max-microvolt = <3000000>;
	startup-delay-us = <100000>;
	/* GPIO215 (WLAN_RST_N to WL_REG_ON) */
	gpio = <&gpio6 23 GPIO_ACTIVE_HIGH>;
	enable-active-high;
	pinctrl-names = "default";
	pinctrl-0 = <&wlan_ldo_en_default>;
	};

	gpio-keys {
	compatible = "gpio-keys";
	pinctrl-names = "default";
	pinctrl-0 = <&gpio_keys_default_mode>;

	button-projector {
	linux,code = <KEY_SWITCHVIDEOMODE>;
	label = "Projector";
	/* GPIO32 "Projector On HotKey" */
	gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
	};
	button-home {
	linux,code = <KEY_HOME>;
	label = "HOME";
	/* GPIO91 */
	gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
	};
	button-volup {
	linux,code = <KEY_VOLUMEUP>;
	label = "VOL+";
	/* GPIO67 */
	gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
	};
	button-voldown {
	linux,code = <KEY_VOLUMEDOWN>;
	label = "VOL-";
	/* GPIO92 */
	gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
	};
	};

	/* Richtek RT8515GQW Flash LED Driver IC */
	flash {
	compatible = "richtek,rt8515";
	/* GPIO 140 */
	enf-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
	/* GPIO 141 */
	ent-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
	/*
	* RFS is 16 kOhm and RTS is 100 kOhm giving
	* the flash max current 343mA and torch max
	* current 55 mA.
	*/
	richtek,rfs-ohms = <16000>;
	richtek,rts-ohms = <100000>;
	pinctrl-names = "default";
	pinctrl-0 = <&gpio_flash_default_mode>;

	led {
	function = LED_FUNCTION_FLASH;
	color = <LED_COLOR_ID_WHITE>;
	flash-max-timeout-us = <250000>;
	flash-max-microamp = <343750>;
	led-max-microamp = <55000>;
	};
	};

	gpio-leds {
	compatible = "gpio-leds";
	pinctrl-names = "default";
	pinctrl-0 = <&gpio_leds_default_mode>;
	used-led {
	label = "touchkeys";
	/* GPIO68 */
	gpios = <&gpio2 4 GPIO_ACTIVE_HIGH>;
	default-state = "on";
	};
	};

	ktd259: backlight {
	compatible = "kinetic,ktd259";
	/* GPIO20 */
	enable-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
	/* Default to 13/32 brightness */
	default-brightness = <13>;
	pinctrl-names = "default";
	pinctrl-0 = <&ktd259_backlight_default_mode>;
	};

	/* Bit-banged I2C on GPIO143 and GPIO144 also called "SUBPMU I2C" */
	i2c-gpio-0 {
	compatible = "i2c-gpio";
	sda-gpios = <&gpio4 16 (GPIO_ACTIVE_HIGH\|GPIO_OPEN_DRAIN)>;
	scl-gpios = <&gpio4 15 (GPIO_ACTIVE_HIGH\|GPIO_OPEN_DRAIN)>;
	pinctrl-names = "default";
	pinctrl-0 = <&i2c_gpio_0_default>;
	#address-cells = <1>;
	#size-cells = <0>;

	/* TODO: Memsic MMC328 magnetometer */
	magnetometer@30 {
	compatible = "memsic,mmc328";
	reg = <0x30>;
	/* TODO: if you have the schematic, check if both voltages come from AUX2 */
	/* VDA 1.8 V */
	vda-supply = <&ab8500_ldo_aux2_reg>;
	/* VDD 1.8V */
	vdd-supply = <&ab8500_ldo_aux2_reg>;
	/* GPIO204 */
	reset-gpios = <&gpio6 12 GPIO_ACTIVE_LOW>;
	pinctrl-names = "default";
	pinctrl-0 = <&mmc328_default>;
	};
	/* TODO: this should also be used by the NCP6914 Camera power management unit */
	};

	/*
	* TODO: See if we can use the PL023 for this instead.
	*/
	spi-gpio-0 {
	compatible = "spi-gpio";
	/* Clock on GPIO220, pin SCL */
	sck-gpios = <&gpio6 28 GPIO_ACTIVE_HIGH>;
	/* MOSI on GPIO224, pin SDI "slave data in" */
	mosi-gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>;
	/* MISO on GPIO225, pin SDO "slave data out" */
	miso-gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>;
	/* Chip select on GPIO223 */
	cs-gpios = <&gpio6 31 GPIO_ACTIVE_LOW>;
	num-chipselects = <1>;

	pinctrl-names = "default";
	pinctrl-0 = <&spi_gpio_0_default>;
	#address-cells = <1>;
	#size-cells = <0>;

	panel@0 {
	compatible = "samsung,lms397kf04";
	/* 300 ns at read cycle -> 3 MHz max speed */
	//spi-max-frequency = <3000000>;
	spi-max-frequency = <1200000>;
	/* TYPE 3: inverse clock polarity and phase */
	spi-cpha;
	spi-cpol;

	reg = <0>;
	vci-supply = <&lcd_3v0_reg>;
	vccio-supply = <&lcd_1v8_reg>;
	/* Reset on GPIO139 */
	reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
	pinctrl-names = "default";
	pinctrl-0 = <&panel_default_mode>;
	backlight = <&ktd259>;

	port {
	panel_in: endpoint {
	remote-endpoint = <&display_out>;
	};
	};
	};
	};

	/* Bit-banged I2C on GPIO201 and GPIO202 also called "MOT_I2C" */
	i2c-gpio-2 {
	compatible = "i2c-gpio";
	sda-gpios = <&gpio6 10 (GPIO_ACTIVE_HIGH\|GPIO_OPEN_DRAIN)>;
	scl-gpios = <&gpio6 9 (GPIO_ACTIVE_HIGH\|GPIO_OPEN_DRAIN)>;
	pinctrl-names = "default";
	pinctrl-0 = <&i2c_gpio_2_default>;
	#address-cells = <1>;
	#size-cells = <0>;
	/* TODO: add the Immersion ISA1200 I2C device here */
	};

	/* Bit-banged I2C on GPIO196 and GPIO197 also called "MPR_I2C" */
	i2c-gpio-3 {
	compatible = "i2c-gpio";
	sda-gpios = <&gpio6 5 (GPIO_ACTIVE_HIGH\|GPIO_OPEN_DRAIN)>;
	scl-gpios = <&gpio6 4 (GPIO_ACTIVE_HIGH\|GPIO_OPEN_DRAIN)>;
	pinctrl-names = "default";
	pinctrl-0 = <&i2c_gpio_3_default>;
	#address-cells = <1>;
	#size-cells = <0>;
	/* TODO: add the DPP2601 projector I2C device 0x1b here */
	};

	soc {
	/* External Micro SD slot */
	mmc@80126000 {
	arm,primecell-periphid = <0x10480180>;
	max-frequency = <50000000>;
	bus-width = <4>;
	cap-sd-highspeed;
	cap-mmc-highspeed;
	st,sig-pin-fbclk;
	full-pwr-cycle;
	/* MMC is powered by AUX3 1.2V .. 2.91V */
	vmmc-supply = <&ab8500_ldo_aux3_reg>;
	/* 2.9 V level translator */
	vqmmc-supply = <&sd_level_translator>;
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&mc0_a_2_default>;
	pinctrl-1 = <&mc0_a_2_sleep>;
	/* "flash detect" actually card detect */
	cd-gpios = <&gpio6 25 GPIO_ACTIVE_LOW>;
	status = "okay";
	};

	/* WLAN SDIO channel */
	mmc@80118000 {
	arm,primecell-periphid = <0x10480180>;
	max-frequency = <50000000>;
	bus-width = <4>;
	non-removable;
	cap-sd-highspeed;
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&mc1_a_2_default>;
	pinctrl-1 = <&mc1_a_2_sleep>;
	/*
	* GPIO-controlled voltage enablement: this drives
	* the WL_REG_ON line high when we use this device.
	* Represented as regulator to fill OCR mask.
	*/
	vmmc-supply = <&wl_reg>;

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

	wifi@1 {
	compatible = "brcm,bcm4330-fmac", "brcm,bcm4329-fmac";
	reg = <1>;
	/* GPIO216 WL_HOST_WAKE */
	interrupt-parent = <&gpio6>;
	interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
	interrupt-names = "host-wake";
	pinctrl-names = "default";
	pinctrl-0 = <&wlan_default_mode>;
	};
	};

	/* eMMC */
	mmc@80005000 {
	arm,primecell-periphid = <0x10480180>;
	max-frequency = <50000000>;
	bus-width = <8>;
	non-removable;
	cap-mmc-highspeed;
	mmc-ddr-1_8v;
	no-sdio;
	no-sd;
	vmmc-supply = <&ldo_3v3_reg>;
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&mc2_a_1_default>;
	pinctrl-1 = <&mc2_a_1_sleep>;
	status = "okay";
	};

	/* GBF (Bluetooth) UART */
	uart@80120000 {
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&u0_a_1_default>;
	pinctrl-1 = <&u0_a_1_sleep>;
	status = "okay";

	bluetooth {
	compatible = "brcm,bcm4330-bt";
	/* GPIO222 rail BT_VREG_EN to BT_REG_ON */
	shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
	/* BT_WAKE on GPIO199 */
	device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
	/* BT_HOST_WAKE on GPIO97 */
	host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
	/* BT_RST_N on GPIO209 */
	reset-gpios = <&gpio6 17 GPIO_ACTIVE_LOW>;
	pinctrl-names = "default";
	pinctrl-0 = <&bluetooth_default_mode>;
	};
	};

	/* GPS UART */
	uart@80121000 {
	status = "okay";
	pinctrl-names = "default", "sleep";
	/* CTS/RTS is not used, CTS is repurposed as GPIO */
	pinctrl-0 = <&u1rxtx_a_1_default>;
	pinctrl-1 = <&u1rxtx_a_1_sleep>;
	/* FIXME: add a device for the GPS here */
	};

	/* Debugging console UART connected to TSU6111RSVR (FSA880) */
	uart@80007000 {
	status = "okay";
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&u2rxtx_c_1_default>;
	pinctrl-1 = <&u2rxtx_c_1_sleep>;
	};

	prcmu@80157000 {
	ab8500 {
	ab8500_usb {
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&usb_a_1_default>;
	pinctrl-1 = <&usb_a_1_sleep>;
	};

	ab8500-regulators {
	ab8500_ldo_aux1 {
	/* Used for VDD for sensors */
	regulator-name = "V-SENSORS-VDD";
	regulator-min-microvolt = <3000000>;
	regulator-max-microvolt = <3000000>;
	};

	ab8500_ldo_aux2 {
	/* Used for VIO for sensors */
	regulator-name = "V-SENSORS-VIO";
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	};

	ab8500_ldo_aux3 {
	/* Used for voltage for external MMC/SD card */
	regulator-name = "V-MMC-SD";
	regulator-min-microvolt = <1200000>;
	regulator-max-microvolt = <2910000>;
	};
	};
	};
	};

	/* I2C0 */
	i2c@80004000 {
	status = "okay";
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&i2c0_a_1_default>;
	pinctrl-1 = <&i2c0_a_1_sleep>;

	/* FIXME: fix the proximity sensor bindings and driver */
	proximity@39 {
	/* Gavini has the GP2A030S00F proximity sensor */
	compatible = "sharp,gp2a030s00f";
	clock-frequency = <400000>;
	reg = <0x39>;
	/* FIXME: GPIO146 provides power on, IR LED? */
	};

	gyroscope@68 {
	compatible = "invensense,mpu3050";
	reg = <0x68>;
	/* GPIO226 interrupt */
	interrupt-parent = <&gpio7>;
	interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
	mount-matrix = "0", "1", "0",
	"1", "0", "0",
	"0", "0", "1";
	vlogic-supply = <&ab8500_ldo_aux2_reg>; // 1.8V
	vdd-supply = <&ab8500_ldo_aux1_reg>; // 3V
	pinctrl-names = "default";
	pinctrl-0 = <&mpu3050_default>;

	/*
	* The MPU-3050 acts as a hub for the
	* accelerometer.
	*/
	i2c-gate {
	#address-cells = <1>;
	#size-cells = <0>;

	/* Bosch BMA222E accelerometer */
	accelerometer@18 {
	compatible = "bosch,bma222e";
	reg = <0x18>;
	mount-matrix = "0", "1", "0",
	"-1", "0", "0",
	"0", "0", "1";
	vddio-supply = <&ab8500_ldo_aux2_reg>; // 1.8V
	vdd-supply = <&ab8500_ldo_aux1_reg>; // 3V
	};
	};
	};
	};

	/* I2C2 "AGC I2C" */
	i2c@80128000 {
	status = "okay";
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&i2c2_b_1_default>;
	pinctrl-1 = <&i2c2_b_1_sleep>;

	/* Texas Instruments TSU6111 micro USB switch */
	usb-switch@25 {
	compatible = "ti,tsu6111";
	reg = <0x25>;
	/* Interrupt JACK_INT_N on GPIO95 */
	interrupt-parent = <&gpio2>;
	interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
	pinctrl-names = "default";
	pinctrl-0 = <&tsu6111_default>;
	};
	};

	/* I2C3 */
	i2c@80110000 {
	status = "okay";

	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&i2c3_c_2_default>;
	pinctrl-1 = <&i2c3_c_2_sleep>;

	/* Melfas MMS136 touchscreen */
	touchscreen@48 {
	compatible = "melfas,mms136";
	reg = <0x48>;
	/* GPIO218 (TSP_INT_1V8) */
	interrupt-parent = <&gpio6>;
	interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
	/* AVDD is "analog supply", 2.57-3.47 V */
	avdd-supply = <&ldo_tsp_3v3_reg>;
	/* VDD is "digital supply" 1.71-3.47V */
	vdd-supply = <&ldo_tsp_1v8_reg>;
	pinctrl-names = "default";
	pinctrl-0 = <&tsp_default>;
	touchscreen-size-x = <480>;
	touchscreen-size-y = <800>;
	};
	};

	mcde@a0350000 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&dpi_default_mode>;

	port {
	display_out: endpoint {
	remote-endpoint = <&panel_in>;
	};
	};
	};
	};
	};

	&pinctrl {
	/*
	* This extends the MC0_A_2 default config to include
	* the card detect GPIO217 line.
	*/
	sdi0 {
	mc0_a_2_default {
	default_cfg4 {
	pins = "GPIO217_AH12"; /* card detect */
	ste,config = <&gpio_in_nopull>;
	};
	};
	};
	mcde {
	dpi_default_mode: dpi_default {
	default_mux1 {
	/* Mux in all the data lines */
	function = "lcd";
	groups =
	/* Data lines D0-D7 GPIO70..GPIO77 */
	"lcd_d0_d7_a_1",
	/* Data lines D8-D11 GPIO78..GPIO81 */
	"lcd_d8_d11_a_1",
	/* Data lines D12-D15 GPIO82..GPIO85 */
	"lcd_d12_d15_a_1",
	/* Data lines D16-D23 GPIO161..GPIO168 */
	"lcd_d16_d23_b_1";
	};
	default_mux2 {
	function = "lcda";
	/* Clock line on GPIO150, DE, VSO, HSO on GPIO169..GPIO171 */
	groups = "lcdaclk_b_1", "lcda_b_1";
	};
	/* Input, no pull-up is the default state for pins used for an alt function */
	default_cfg1 {
	pins = "GPIO150_C14", "GPIO169_D22", "GPIO170_C23", "GPIO171_D23";
	ste,config = <&in_nopull>;
	};
	};
	};
	/* GPIO for panel reset control */
	panel {
	panel_default_mode: panel_default {
	gavini_cfg1 {
	/* Reset line */
	pins = "GPIO139_C9";
	ste,config = <&gpio_out_lo>;
	};
	};
	};
	/* GPIO that enables the LDO regulator for the eMMC */
	emmc-ldo {
	emmc_ldo_en_default_mode: emmc_ldo_default {
	/* LDO enable on GPIO6 */
	gavini_cfg1 {
	pins = "GPIO6_AF6";
	ste,config = <&gpio_out_hi>;
	};
	};
	};
	/* GPIO that enables the LDO regulator for the touchscreen */
	tsp-ldo {
	tsp_ldo_en_default_mode: tsp_ldo_default {
	/* LDO enable on GPIO94 */
	gavini_cfg1 {
	pins = "GPIO94_D7";
	ste,config = <&gpio_out_hi>;
	};
	};
	};
	/* Flash and torch */
	flash {
	gpio_flash_default_mode: flash_default {
	janice_cfg1 {
	pins = "GPIO140_B11", "GPIO141_C12";
	ste,config = <&gpio_out_lo>;
	};
	};
	};
	/* GPIO that enables the LDO regulator for the key LED */
	gpio-leds {
	gpio_leds_default_mode: gpio_leds_default {
	/* EN_LED_LDO on GPIO68 */
	gavini_cfg1 {
	pins = "GPIO68_E1";
	ste,config = <&gpio_out_hi>;
	};
	};
	};
	backlight {
	ktd259_backlight_default_mode: backlight_default {
	skomer_cfg1 {
	pins = "GPIO20_AB4"; /* LCD_BL_EN */
	ste,config = <&gpio_out_lo>;
	};
	};
	};
	/* GPIO that enables the LDO regulator for the touchkeys */
	touchkey-ldo {
	tsp_ldo_on2_default_mode: tsp_ldo_on2_default {
	/* TSP_LDO_ON2 on GPIO89 */
	gavini_cfg1 {
	pins = "GPIO89_E6";
	ste,config = <&gpio_out_lo>;
	};
	};
	};
	touchkey {
	touchkey_default_mode: touchkey_default {
	gavini_cfg1 {
	/* Interrupt */
	pins = "GPIO198_AG25";
	ste,config = <&gpio_in_nopull>;
	};
	gavini_cfg2 {
	/* Reset, actually completely unused (not routed) */
	pins = "GPIO205_AG23";
	ste,config = <&gpio_in_pd>;
	};
	};
	};
	/* GPIO that enables the LDO regulator for the LCD display */
	lcd-ldo {
	lcd_pwr_en_default_mode: lcd_pwr_en_default {
	/* LCD_PWR_EN on GPIO219 */
	gavini_cfg1 {
	pins = "GPIO219_AG10";
	ste,config = <&gpio_out_hi>;
	};
	};
	};
	/* GPIO that enables the WLAN internal LDO regulators */
	wlan-ldo {
	wlan_ldo_en_default: wlan_ldo_default {
	/* GPIO215 named WLAN_RST_N */
	gavini_cfg1 {
	pins = "GPIO215_AH13";
	ste,config = <&gpio_out_lo>;
	};
	};
	};
	/* GPIO that enables the 2.9V SD card level translator */
	sd-level-translator {
	sd_level_translator_default: sd_level_translator_default {
	/* level shifter on GPIO193 */
	skomer_cfg1 {
	pins = "GPIO193_AH27";
	ste,config = <&gpio_out_hi>;
	};
	};
	};
	/* GPIO keys */
	gpio-keys {
	gpio_keys_default_mode: gpio_keys_default {
	skomer_cfg1 {
	pins = "GPIO32_V2", /* Projector On HotKey */
	"GPIO67_G2", /* VOL UP */
	"GPIO91_B6", /* HOME */
	"GPIO92_D6"; /* VOL DOWN */
	ste,config = <&gpio_in_pu>;
	};
	};
	};
	/* Interrupt line for the Atmel MXT228 touchscreen */
	tsp {
	tsp_default: tsp_default {
	gavini_cfg1 {
	pins = "GPIO218_AH11"; /* TSP_INT_1V8 */
	ste,config = <&gpio_in_nopull>;
	};
	};
	};
	/* Reset line for the Memsic MMC328 magnetometer */
	mmc328 {
	mmc328_default: mmc328_gavini {
	gavini_cfg1 {
	pins = "GPIO204_AF23";
	ste,config = <&gpio_out_hi>;
	};
	};
	};
	/* Interrupt line for Invensense MPU3050 gyroscope */
	mpu3050 {
	mpu3050_default: mpu3050 {
	gavini_cfg1 {
	/* GPIO226 used for IRQ */
	pins = "GPIO226_AF8";
	ste,config = <&gpio_in_nopull>;
	};
	};
	};
	/* GPIO-based I2C bus for magnetometer and NCP6914 */
	i2c-gpio-0 {
	i2c_gpio_0_default: i2c_gpio_0 {
	gavini_cfg1 {
	pins = "GPIO143_D12", "GPIO144_B13";
	ste,config = <&gpio_in_nopull>;
	};
	};
	};
	/* GPIO-based I2C bus for the Immersion ISA1200 */
	i2c-gpio-2 {
	i2c_gpio_2_default: i2c_gpio_2 {
	gavini_cfg1 {
	pins = "GPIO201_AF24", "GPIO202_AF25";
	ste,config = <&gpio_in_nopull>;
	};
	};
	};
	/* GPIO-based I2C bus for the TI DPP2601 */
	i2c-gpio-3 {
	i2c_gpio_3_default: i2c_gpio_3 {
	gavini_cfg1 {
	pins = "GPIO196_AG26", "GPIO197_AH24";
	ste,config = <&gpio_in_nopull>;
	};
	};
	};
	/* GPIO-based SPI bus for the display */
	spi-gpio-0 {
	spi_gpio_0_default: spi_gpio_0_d {
	gavini_cfg1 {
	pins = "GPIO220_AH10", "GPIO223_AH9", "GPIO224_AG9";
	ste,config = <&gpio_out_hi>;
	};
	gavini_cfg2 {
	pins = "GPIO225_AG8";
	ste,config = <&gpio_in_nopull>;
	};
	};
	spi_gpio_0_sleep: spi_gpio_0_s {
	gavini_cfg1 {
	pins = "GPIO220_AH10", "GPIO223_AH9",
	"GPIO224_AG9", "GPIO225_AG8";
	ste,config = <&gpio_out_hi>;
	};
	gavini_cfg2 {
	pins = "GPIO225_AG8";
	ste,config = <&gpio_out_lo>;
	};
	};
	};
	wlan {
	wlan_default_mode: wlan_default {
	/* GPIO216 for WL_HOST_WAKE */
	gavini_cfg2 {
	pins = "GPIO216_AG12";
	ste,config = <&gpio_in_pd>;
	};
	};
	};
	bluetooth {
	bluetooth_default_mode: bluetooth_default {
	/* GPIO199 BT_WAKE and GPIO222 BT_VREG_ON */
	gavini_cfg1 {
	pins = "GPIO199_AH23", "GPIO222_AJ9";
	ste,config = <&gpio_out_lo>;
	};
	/* GPIO97 BT_HOST_WAKE */
	gavini_cfg2 {
	pins = "GPIO97_D9";
	ste,config = <&gpio_in_nopull>;
	};
	/* GPIO209 BT_RST_N */
	gavini_cfg3 {
	pins = "GPIO209_AG15";
	ste,config = <&gpio_out_hi>;
	};
	};
	};
	/* Interrupt line for TI TSU6111 Micro USB switch */
	tsu6111 {
	tsu6111_default: tsu6111 {
	gavini_cfg1 {
	/* GPIO95 used for IRQ */
	pins = "GPIO95_E8";
	ste,config = <&gpio_in_nopull>;
	};
	};
	};
	};