xref: /openbmc/linux/arch/arm/boot/dts/samsung/exynos5250-snow-common.dtsi (revision 4f861a9b)

// SPDX-License-Identifier: GPL-2.0
/*
 * Google Snow board device tree source
 *
 * Copyright (c) 2012 Google, Inc
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/clock/maxim,max77686.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/sound/samsung-i2s.h>
#include "exynos5250.dtsi"

/ {
	aliases {
		i2c104 = &i2c_104;
		mmc0 = &mmc_0; /* eMMC */
		mmc1 = &mmc_2; /* SD */
		mmc2 = &mmc_3; /* WiFi */
	};

	memory@40000000 {
		device_type = "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-key {
			label = "Power";
			gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_POWER>;
			wakeup-source;
		};

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

	vbat: vbat-fixed-regulator {
		compatible = "regulator-fixed";
		regulator-name = "vbat-supply";
		regulator-boot-on;
	};

	i2c-arbitrator {
		compatible = "i2c-arb-gpio-challenge";
		#address-cells = <1>;
		#size-cells = <0>;

		i2c-parent = <&i2c_4>;

		our-claim-gpios = <&gpf0 3 GPIO_ACTIVE_LOW>;
		their-claim-gpios = <&gpe0 4 GPIO_ACTIVE_LOW>;
		slew-delay-us = <10>;
		wait-retry-us = <3000>;
		wait-free-us = <50000>;

		pinctrl-names = "default";
		pinctrl-0 = <&arb_our_claim &arb_their_claim>;

		/* Use ID 104 as a hint that we're on physical bus 4 */
		i2c_104: i2c@0 {
			reg = <0>;
			#address-cells = <1>;
			#size-cells = <0>;

			battery: sbs-battery@b {
				compatible = "sbs,sbs-battery";
				reg = <0xb>;
				sbs,poll-retry-count = <1>;
			};

			cros_ec: embedded-controller@1e {
				compatible = "google,cros-ec-i2c";
				reg = <0x1e>;
				interrupts = <6 IRQ_TYPE_NONE>;
				interrupt-parent = <&gpx1>;
				pinctrl-names = "default";
				pinctrl-0 = <&ec_irq>;
				wakeup-source;
			};

			power-regulator@48 {
				compatible = "ti,tps65090";
				reg = <0x48>;

				/*
				 * Config irq to disable internal pulls
				 * even though we run in polling mode.
				 */
				pinctrl-names = "default";
				pinctrl-0 = <&tps65090_irq>;

				vsys1-supply = <&vbat>;
				vsys2-supply = <&vbat>;
				vsys3-supply = <&vbat>;
				infet1-supply = <&vbat>;
				infet2-supply = <&vbat>;
				infet3-supply = <&vbat>;
				infet4-supply = <&vbat>;
				infet5-supply = <&vbat>;
				infet6-supply = <&vbat>;
				infet7-supply = <&vbat>;
				vsys-l1-supply = <&vbat>;
				vsys-l2-supply = <&vbat>;

				regulators {
					dcdc1 {
						ti,enable-ext-control;
					};
					dcdc2 {
						ti,enable-ext-control;
					};
					dcdc3 {
						ti,enable-ext-control;
					};
					fet1: fet1 {
						regulator-name = "vcd_led";
						ti,overcurrent-wait = <3>;
					};
					tps65090_fet2: fet2 {
						regulator-name = "video_mid";
						regulator-always-on;
						ti,overcurrent-wait = <3>;
					};
					fet3 {
						regulator-name = "wwan_r";
						regulator-always-on;
						ti,overcurrent-wait = <3>;
					};
					fet4 {
						regulator-name = "sdcard";
						ti,overcurrent-wait = <3>;
					};
					fet5 {
						regulator-name = "camout";
						regulator-always-on;
						ti,overcurrent-wait = <3>;
					};
					fet6: fet6 {
						regulator-name = "lcd_vdd";
						ti,overcurrent-wait = <3>;
					};
					tps65090_fet7: fet7 {
						regulator-name = "video_mid_1a";
						regulator-always-on;
						ti,overcurrent-wait = <3>;
					};
					ldo1 {
					};
					ldo2 {
					};
				};

				charger {
					compatible = "ti,tps65090-charger";
				};
			};
		};
	};

	sound {
		samsung,i2s-controller = <&i2s0>;
	};

	usb3_vbus_reg: regulator-usb3 {
		compatible = "regulator-fixed";
		regulator-name = "P5.0V_USB3CON";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpx2 7 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&usb3_vbus_en>;
		enable-active-high;
	};

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

	backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 0 1000000 0>;
		brightness-levels = <0 100 500 1000 1500 2000 2500 2800>;
		default-brightness-level = <7>;
		enable-gpios = <&gpx3 0 GPIO_ACTIVE_HIGH>;
		power-supply = <&fet1>;
		pinctrl-0 = <&pwm0_out>;
		pinctrl-names = "default";
	};

	panel: panel {
		compatible = "auo,b116xw03";
		power-supply = <&fet6>;
		backlight = <&backlight>;

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

	mmc3_pwrseq: mmc3-pwrseq {
		compatible = "mmc-pwrseq-simple";
		reset-gpios = <&gpx0 2 GPIO_ACTIVE_LOW>, /* WIFI_RSTn */
			      <&gpx0 1 GPIO_ACTIVE_LOW>; /* WIFI_EN */
		clocks = <&max77686 MAX77686_CLK_PMIC>;
		clock-names = "ext_clock";
	};
};

&clock {
	assigned-clocks = <&clock CLK_FOUT_EPLL>;
	assigned-clock-rates = <49152000>;
};

&clock_audss {
	assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>;
	assigned-clock-parents = <&clock CLK_FOUT_EPLL>;
};

&cpu0 {
	cpu0-supply = <&buck2_reg>;
};

&dp {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&dp_hpd>;
	samsung,color-space = <0>;
	samsung,color-depth = <1>;
	samsung,link-rate = <0x0a>;
	samsung,lane-count = <2>;
	hpd-gpios = <&gpx0 7 GPIO_ACTIVE_HIGH>;

	ports {
		port {
			dp_out: endpoint {
				remote-endpoint = <&bridge_in>;
			};
		};
	};
};

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

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

&hdmi {
	status = "okay";
	hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
	pinctrl-names = "default";
	pinctrl-0 = <&hdmi_hpd_irq>;
	ddc = <&i2c_2>;
	hdmi-en-supply = <&tps65090_fet7>;
	vdd-supply = <&ldo8_reg>;
	vdd_osc-supply = <&ldo10_reg>;
	vdd_pll-supply = <&ldo8_reg>;
};

&hdmicec {
	status = "okay";
};

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

	max77686: pmic@9 {
		compatible = "maxim,max77686";
		interrupt-parent = <&gpx3>;
		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&max77686_irq>;
		wakeup-source;
		reg = <0x09>;
		#clock-cells = <1>;

		voltage-regulators {
			ldo1_reg: LDO1 {
				regulator-name = "P1.0V_LDO_OUT1";
				regulator-min-microvolt = <1000000>;
				regulator-max-microvolt = <1000000>;
				regulator-always-on;
			};

			ldo2_reg: LDO2 {
				regulator-name = "P1.8V_LDO_OUT2";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
			};

			ldo3_reg: LDO3 {
				regulator-name = "P1.8V_LDO_OUT3";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
			};

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

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

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

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

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

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

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

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

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

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

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

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

			buck6_reg: BUCK6 {
				regulator-name = "P1.35V_BUCK_OUT6";
				regulator-min-microvolt = <1350000>;
				regulator-max-microvolt = <1350000>;
				regulator-always-on;
			};

			buck7_reg: BUCK7 {
				regulator-name = "P2.0V_BUCK_OUT7";
				regulator-min-microvolt = <2000000>;
				regulator-max-microvolt = <2000000>;
				regulator-always-on;
			};

			buck8_reg: BUCK8 {
				regulator-name = "P2.85V_BUCK_OUT8";
				regulator-min-microvolt = <2850000>;
				regulator-max-microvolt = <2850000>;
				regulator-always-on;
			};
		};
	};
};

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

	trackpad@67 {
		reg = <0x67>;
		compatible = "cypress,cyapa";
		interrupts = <2 IRQ_TYPE_NONE>;
		interrupt-parent = <&gpx1>;
		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 = <EXYNOS_PIN_PULL_NONE>;
};

&i2c_2 {
	status = "okay";
	/* used by HDMI DDC */
	samsung,i2c-sda-delay = <100>;
	samsung,i2c-max-bus-freq = <66000>;
};

&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>;
};

&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>;

	ptn3460: lvds-bridge@20 {
		compatible = "nxp,ptn3460";
		reg = <0x20>;
		powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>;
		reset-gpios = <&gpx1 5 GPIO_ACTIVE_HIGH>;
		edid-emulation = <5>;

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

			port@0 {
				reg = <0>;

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

			port@1 {
				reg = <1>;

				bridge_in: endpoint {
					remote-endpoint = <&dp_out>;
				};
			};
		};
	};
};

&i2c_8 {
	status = "okay";
	/* used by HDMI PHY */
	samsung,i2c-sda-delay = <100>;
	samsung,i2c-max-bus-freq = <378000>;
};

&i2s0 {
	assigned-clocks = <&i2s0 CLK_I2S_RCLK_SRC>;
	assigned-clock-parents = <&clock_audss EXYNOS_I2S_BUS>;
	status = "okay";
};

&mali {
	mali-supply = <&buck4_reg>;
	status = "okay";
};

&mixer {
	status = "okay";
};

/* eMMC flash */
&mmc_0 {
	status = "okay";
	non-removable;
	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;
	mmc-ddr-1_8v;
};

/* uSD card */
&mmc_2 {
	status = "okay";
	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 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
	bus-width = <4>;
	wp-gpios = <&gpc2 1 GPIO_ACTIVE_HIGH>;
	cap-sd-highspeed;
};

/*
 * On Snow we've got SIP WiFi and so can keep drive strengths low to
 * reduce EMI.
 *
 * WiFi SDIO module
 */
&mmc_3 {
	status = "okay";
	non-removable;
	cap-sdio-irq;
	keep-power-in-suspend;
	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 = <&sd3_clk &sd3_cmd &sd3_bus4 &wifi_en &wifi_rst>;
	bus-width = <4>;
	cap-sd-highspeed;
	mmc-pwrseq = <&mmc3_pwrseq>;
};

&pinctrl_0 {
	wifi_en: wifi-en-pins {
		samsung,pins = "gpx0-1";
		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
	};

	wifi_rst: wifi-rst-pins {
		samsung,pins = "gpx0-2";
		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
	};

	power_key_irq: power-key-irq-pins {
		samsung,pins = "gpx1-3";
		samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
	};

	ec_irq: ec-irq-pins {
		samsung,pins = "gpx1-6";
		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
	};

	tps65090_irq: tps65090-irq-pins {
		samsung,pins = "gpx2-6";
		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
	};

	usb3_vbus_en: usb3-vbus-en-pins {
		samsung,pins = "gpx2-7";
		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
	};

	max77686_irq: max77686-irq-pins {
		samsung,pins = "gpx3-2";
		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
	};

	lid_irq: lid-irq-pins {
		samsung,pins = "gpx3-5";
		samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
	};

	hdmi_hpd_irq: hdmi-hpd-irq-pins {
		samsung,pins = "gpx3-7";
		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
	};
};

&pinctrl_1 {
	arb_their_claim: arb-their-claim-pins {
		samsung,pins = "gpe0-4";
		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
	};

	arb_our_claim: arb-our-claim-pins {
		samsung,pins = "gpf0-3";
		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
	};
};

&pmu_system_controller {
	assigned-clocks = <&pmu_system_controller 0>;
	assigned-clock-parents = <&clock CLK_FIN_PLL>;
};

&rtc {
	status = "okay";
	clocks = <&clock CLK_RTC>, <&max77686 MAX77686_CLK_AP>;
	clock-names = "rtc", "rtc_src";
};

&sd3_bus4 {
	samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
};

&sd3_clk {
	samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
};

&sd3_cmd {
	samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
	samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
};

&spi_1 {
	status = "okay";
	samsung,spi-src-clk = <0>;
	num-cs = <1>;
	cs-gpios = <&gpa2 5 GPIO_ACTIVE_HIGH>;
};

&usbdrd {
	vdd10-supply = <&ldo15_reg>;
	vdd33-supply = <&ldo12_reg>;
};

&usbdrd_dwc3 {
	dr_mode = "host";
};

&usbdrd_phy {
	vbus-supply = <&usb3_vbus_reg>;
};

#include "../cros-ec-keyboard.dtsi"