linux/arch/arm/boot/dts/exynos5250-spring.dts

/*
 * Google Spring board device tree source
 *
 * Copyright (c) 2013 Google, Inc
 * Copyright (c) 2014 SUSE LINUX Products GmbH
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/input/input.h>
#include "exynos5250.dtsi"

/ {
	model = "Google Spring";
	compatible = "google,spring", "samsung,exynos5250", "samsung,exynos5";

	memory {
		reg = <0x40000000 0x80000000>;
	};

	chosen {
		bootargs = "console=tty1";
		stdout-path = "serial3:115200n8";
	};

	gpio-keys {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&power_key_irq>, <&lid_irq>;

		power {
			label = "Power";
			gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_POWER>;
			gpio-key,wakeup;
		};

		lid-switch {
			label = "Lid";
			gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
			linux,input-type = <5>; /* EV_SW */
			linux,code = <0>; /* SW_LID */
			debounce-interval = <1>;
			gpio-key,wakeup;
		};
	};

	usb-hub {
		compatible = "smsc,usb3503a";
		reset-gpios = <&gpe1 0 GPIO_ACTIVE_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&hsic_reset>;
	};

	fixed-rate-clocks {
		xxti {
			compatible = "samsung,clock-xxti";
			clock-frequency = <24000000>;
		};
	};
};

&dp {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&dp_hpd_gpio>;
	samsung,color-space = <0>;
	samsung,dynamic-range = <0>;
	samsung,ycbcr-coeff = <0>;
	samsung,color-depth = <1>;
	samsung,link-rate = <0x0a>;
	samsung,lane-count = <1>;
	samsung,hpd-gpio = <&gpc3 0 GPIO_ACTIVE_HIGH>;
};

&ehci {
	samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
};

&fimd {
	status = "okay";
	samsung,invert-vclk;
};

&hdmi {
	hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>;
	pinctrl-names = "default";
	pinctrl-0 = <&hdmi_hpd_irq>;
	phy = <&hdmiphy>;
	ddc = <&i2c_2>;
	hdmi-en-supply = <&ldo8_reg>;
	vdd-supply = <&ldo8_reg>;
	vdd_osc-supply = <&ldo10_reg>;
	vdd_pll-supply = <&ldo8_reg>;
};

&i2c_0 {
	status = "okay";
	samsung,i2c-sda-delay = <100>;
	samsung,i2c-max-bus-freq = <378000>;

	s5m8767-pmic@66 {
		compatible = "samsung,s5m8767-pmic";
		reg = <0x66>;
		interrupt-parent = <&gpx3>;
		interrupts = <2 IRQ_TYPE_NONE>;
		pinctrl-names = "default";
		pinctrl-0 = <&s5m8767_irq &s5m8767_dvs &s5m8767_ds>;
		wakeup-source;

		s5m8767,pmic-buck-dvs-gpios = <&gpd1 0 GPIO_ACTIVE_LOW>, /* DVS1 */
		                              <&gpd1 1 GPIO_ACTIVE_LOW>, /* DVS2 */
		                              <&gpd1 2 GPIO_ACTIVE_LOW>; /* DVS3 */

		s5m8767,pmic-buck-ds-gpios = <&gpx2 3 GPIO_ACTIVE_LOW>, /* SET1 */
		                             <&gpx2 4 GPIO_ACTIVE_LOW>, /* SET2 */
		                             <&gpx2 5 GPIO_ACTIVE_LOW>; /* SET3 */

		/*
		 * The following arrays of DVS voltages are not used, since we are
		 * not using GPIOs to control PMIC bucks, but they must be defined
		 * to please the driver.
		 */
		s5m8767,pmic-buck2-dvs-voltage = <1350000>, <1300000>,
		                                 <1250000>, <1200000>,
		                                 <1150000>, <1100000>,
		                                 <1000000>, <950000>;

		s5m8767,pmic-buck3-dvs-voltage = <1100000>, <1100000>,
		                                 <1100000>, <1100000>,
		                                 <1000000>, <1000000>,
		                                 <1000000>, <1000000>;

		s5m8767,pmic-buck4-dvs-voltage = <1200000>, <1200000>,
		                                 <1200000>, <1200000>,
		                                 <1200000>, <1200000>,
		                                 <1200000>, <1200000>;

		clocks {
			compatible = "samsung,s5m8767-clk";
			#clock-cells = <1>;
			clock-output-names = "en32khz_ap",
			                     "en32khz_cp",
			                     "en32khz_bt";
		};

		regulators {
			ldo4_reg: LDO4 {
				regulator-name = "P1.0V_LDO_OUT4";
				regulator-min-microvolt = <1000000>;
				regulator-max-microvolt = <1000000>;
				regulator-always-on;
				op_mode = <0>;
			};

			ldo5_reg: LDO5 {
				regulator-name = "P1.0V_LDO_OUT5";
				regulator-min-microvolt = <1000000>;
				regulator-max-microvolt = <1000000>;
				regulator-always-on;
				op_mode = <0>;
			};

			ldo6_reg: LDO6 {
				regulator-name = "vdd_mydp";
				regulator-min-microvolt = <1000000>;
				regulator-max-microvolt = <1000000>;
				regulator-always-on;
				op_mode = <3>;
			};

			ldo7_reg: LDO7 {
				regulator-name = "P1.1V_LDO_OUT7";
				regulator-min-microvolt = <1100000>;
				regulator-max-microvolt = <1100000>;
				regulator-always-on;
				op_mode = <3>;
			};

			ldo8_reg: LDO8 {
				regulator-name = "P1.0V_LDO_OUT8";
				regulator-min-microvolt = <1000000>;
				regulator-max-microvolt = <1000000>;
				regulator-always-on;
				op_mode = <3>;
			};

			ldo10_reg: LDO10 {
				regulator-name = "P1.8V_LDO_OUT10";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
				op_mode = <3>;
			};

			ldo11_reg: LDO11 {
				regulator-name = "P1.8V_LDO_OUT11";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
				op_mode = <0>;
			};

			ldo12_reg: LDO12 {
				regulator-name = "P3.0V_LDO_OUT12";
				regulator-min-microvolt = <3000000>;
				regulator-max-microvolt = <3000000>;
				regulator-always-on;
				op_mode = <3>;
			};

			ldo13_reg: LDO13 {
				regulator-name = "P1.8V_LDO_OUT13";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
				op_mode = <0>;
			};

			ldo14_reg: LDO14 {
				regulator-name = "P1.8V_LDO_OUT14";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
				op_mode = <3>;
			};

			ldo15_reg: LDO15 {
				regulator-name = "P1.0V_LDO_OUT15";
				regulator-min-microvolt = <1000000>;
				regulator-max-microvolt = <1000000>;
				regulator-always-on;
				op_mode = <3>;
			};

			ldo16_reg: LDO16 {
				regulator-name = "P1.8V_LDO_OUT16";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
				op_mode = <3>;
			};

			ldo17_reg: LDO17 {
				regulator-name = "P2.8V_LDO_OUT17";
				regulator-min-microvolt = <2800000>;
				regulator-max-microvolt = <2800000>;
				regulator-always-on;
				op_mode = <0>;
			};

			ldo25_reg: LDO25 {
				regulator-name = "vdd_bridge";
				regulator-min-microvolt = <1200000>;
				regulator-max-microvolt = <1200000>;
				regulator-always-on;
				op_mode = <1>;
			};

			buck1_reg: BUCK1 {
				regulator-name = "vdd_mif";
				regulator-min-microvolt = <950000>;
				regulator-max-microvolt = <1300000>;
				regulator-always-on;
				regulator-boot-on;
				op_mode = <3>;
			};

			buck2_reg: BUCK2 {
				regulator-name = "vdd_arm";
				regulator-min-microvolt = <850000>;
				regulator-max-microvolt = <1350000>;
				regulator-always-on;
				regulator-boot-on;
				op_mode = <3>;
			};

			buck3_reg: BUCK3 {
				regulator-name = "vdd_int";
				regulator-min-microvolt = <900000>;
				regulator-max-microvolt = <1200000>;
				regulator-always-on;
				regulator-boot-on;
				op_mode = <3>;
			};

			buck4_reg: BUCK4 {
				regulator-name = "vdd_g3d";
				regulator-min-microvolt = <850000>;
				regulator-max-microvolt = <1300000>;
				regulator-boot-on;
				op_mode = <3>;
			};

			buck5_reg: BUCK5 {
				regulator-name = "P1.8V_BUCK_OUT5";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
				regulator-boot-on;
				op_mode = <1>;
			};

			buck6_reg: BUCK6 {
				regulator-name = "P1.2V_BUCK_OUT6";
				regulator-min-microvolt = <1200000>;
				regulator-max-microvolt = <1200000>;
				regulator-always-on;
				regulator-boot-on;
				op_mode = <0>;
			};

			buck9_reg: BUCK9 {
				regulator-name = "vdd_ummc";
				regulator-min-microvolt = <950000>;
				regulator-max-microvolt = <3000000>;
				regulator-always-on;
				regulator-boot-on;
				op_mode = <3>;
			};
		};
	};
};

&i2c_1 {
	status = "okay";
	samsung,i2c-sda-delay = <100>;
	samsung,i2c-max-bus-freq = <378000>;

	trackpad@4b {
		compatible = "atmel,maxtouch";
		reg = <0x4b>;
		interrupt-parent = <&gpx1>;
		interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
		pinctrl-names = "default";
		pinctrl-0 = <&trackpad_irq>;
		linux,gpio-keymap = <KEY_RESERVED
				     KEY_RESERVED
				     KEY_RESERVED
				     KEY_RESERVED
				     KEY_RESERVED
				     BTN_LEFT>;
		wakeup-source;
	};
};

/*
 * Disabled pullups since external part has its own pullups and
 * double-pulling gets us out of spec in some cases.
 */
&i2c2_bus {
	samsung,pin-pud = <0>;
};

&i2c_2 {
	status = "okay";
	samsung,i2c-sda-delay = <100>;
	samsung,i2c-max-bus-freq = <66000>;

	hdmiddc@50 {
		compatible = "samsung,exynos4210-hdmiddc";
		reg = <0x50>;
	};
};

&i2c_3 {
	status = "okay";
	samsung,i2c-sda-delay = <100>;
	samsung,i2c-max-bus-freq = <66000>;
};

&i2c_4 {
	status = "okay";
	samsung,i2c-sda-delay = <100>;
	samsung,i2c-max-bus-freq = <66000>;

	cros_ec: embedded-controller {
		compatible = "google,cros-ec-i2c";
		reg = <0x1e>;
		interrupts = <6 IRQ_TYPE_NONE>;
		interrupt-parent = <&gpx1>;
		wakeup-source;
		pinctrl-names = "default";
		pinctrl-0 = <&ec_irq>;
	};
};

&i2c_5 {
	status = "okay";
	samsung,i2c-sda-delay = <100>;
	samsung,i2c-max-bus-freq = <66000>;
};

&i2c_7 {
	status = "okay";
	samsung,i2c-sda-delay = <100>;
	samsung,i2c-max-bus-freq = <66000>;

	temperature-sensor@4c {
		compatible = "gmt,g781";
		reg = <0x4c>;
	};
};

&i2c_8 {
	status = "okay";
	samsung,i2c-sda-delay = <100>;
	samsung,i2c-max-bus-freq = <378000>;

	hdmiphy: hdmiphy@38 {
		compatible = "samsung,exynos4212-hdmiphy";
		reg = <0x38>;
	};
};

&i2s0 {
	status = "okay";
};

&mfc {
	samsung,mfc-r = <0x43000000 0x800000>;
	samsung,mfc-l = <0x51000000 0x800000>;
};

&mmc_0 {
	status = "okay";
	num-slots = <1>;
	broken-cd;
	card-detect-delay = <200>;
	samsung,dw-mshc-ciu-div = <3>;
	samsung,dw-mshc-sdr-timing = <2 3>;
	samsung,dw-mshc-ddr-timing = <1 2>;
	pinctrl-names = "default";
	pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
	bus-width = <8>;
	cap-mmc-highspeed;
};

/*
 * On Spring we've got SIP WiFi and so can keep drive strengths low to
 * reduce EMI.
 */
&mmc_1 {
	status = "okay";
	num-slots = <1>;
	broken-cd;
	card-detect-delay = <200>;
	samsung,dw-mshc-ciu-div = <3>;
	samsung,dw-mshc-sdr-timing = <2 3>;
	samsung,dw-mshc-ddr-timing = <1 2>;
	pinctrl-names = "default";
	pinctrl-0 = <&sd1_clk &sd1_cmd &sd1_cd &sd1_bus4>;
	bus-width = <4>;
	cap-sd-highspeed;
};

&pinctrl_0 {
	s5m8767_dvs: s5m8767-dvs {
		samsung,pins = "gpd1-0", "gpd1-1", "gpd1-2";
		samsung,pin-function = <0>;
		samsung,pin-pud = <1>;
		samsung,pin-drv = <0>;
	};

	dp_hpd_gpio: dp-hpd-gpio {
		samsung,pins = "gpc3-0";
		samsung,pin-function = <0>;
		samsung,pin-pud = <3>;
		samsung,pin-drv = <0>;
	};

	trackpad_irq: trackpad-irq {
		samsung,pins = "gpx1-2";
		samsung,pin-function = <0xf>;
		samsung,pin-pud = <0>;
		samsung,pin-drv = <0>;
	};

	power_key_irq: power-key-irq {
		samsung,pins = "gpx1-3";
		samsung,pin-function = <0xf>;
		samsung,pin-pud = <0>;
		samsung,pin-drv = <0>;
	};

	ec_irq: ec-irq {
		samsung,pins = "gpx1-6";
		samsung,pin-function = <0>;
		samsung,pin-pud = <0>;
		samsung,pin-drv = <0>;
	};

	s5m8767_ds: s5m8767-ds {
		samsung,pins = "gpx2-3", "gpx2-4", "gpx2-5";
		samsung,pin-function = <0>;
		samsung,pin-pud = <1>;
		samsung,pin-drv = <0>;
	};

	s5m8767_irq: s5m8767-irq {
		samsung,pins = "gpx3-2";
		samsung,pin-function = <0>;
		samsung,pin-pud = <0>;
		samsung,pin-drv = <0>;
	};

	lid_irq: lid-irq {
		samsung,pins = "gpx3-5";
		samsung,pin-function = <0xf>;
		samsung,pin-pud = <0>;
		samsung,pin-drv = <0>;
	};

	hdmi_hpd_irq: hdmi-hpd-irq {
		samsung,pins = "gpx3-7";
		samsung,pin-function = <0>;
		samsung,pin-pud = <1>;
		samsung,pin-drv = <0>;
	};
};

&pinctrl_1 {
	hsic_reset: hsic-reset {
		samsung,pins = "gpe1-0";
		samsung,pin-function = <1>;
		samsung,pin-pud = <0>;
		samsung,pin-drv = <0>;
	};
};

&sd1_bus4 {
	samsung,pin-drv = <0>;
};

&sd1_cd {
	samsung,pin-drv = <0>;
};

&sd1_clk {
	samsung,pin-drv = <0>;
};

&sd1_cmd {
	samsung,pin-pud = <3>;
	samsung,pin-drv = <0>;
};

&spi_1 {
	status = "okay";
	samsung,spi-src-clk = <0>;
	num-cs = <1>;
};

#include "cros-ec-keyboard.dtsi"