705 lines
15 KiB
Plaintext
705 lines
15 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
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/*
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* Google Snow board device tree source
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*
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* Copyright (c) 2012 Google, Inc
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*/
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/clock/maxim,max77686.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/sound/samsung-i2s.h>
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#include "exynos5250.dtsi"
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/ {
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aliases {
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i2c104 = &i2c_104;
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};
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memory@40000000 {
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device_type = "memory";
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reg = <0x40000000 0x80000000>;
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};
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chosen {
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bootargs = "console=tty1";
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stdout-path = "serial3:115200n8";
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};
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gpio-keys {
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compatible = "gpio-keys";
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pinctrl-names = "default";
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pinctrl-0 = <&power_key_irq &lid_irq>;
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power {
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label = "Power";
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gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_POWER>;
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wakeup-source;
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};
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lid-switch {
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label = "Lid";
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gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
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linux,input-type = <5>; /* EV_SW */
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linux,code = <0>; /* SW_LID */
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debounce-interval = <1>;
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wakeup-source;
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};
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};
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vbat: vbat-fixed-regulator {
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compatible = "regulator-fixed";
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regulator-name = "vbat-supply";
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regulator-boot-on;
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};
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i2c-arbitrator {
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compatible = "i2c-arb-gpio-challenge";
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#address-cells = <1>;
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#size-cells = <0>;
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i2c-parent = <&i2c_4>;
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our-claim-gpio = <&gpf0 3 GPIO_ACTIVE_LOW>;
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their-claim-gpios = <&gpe0 4 GPIO_ACTIVE_LOW>;
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slew-delay-us = <10>;
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wait-retry-us = <3000>;
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wait-free-us = <50000>;
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pinctrl-names = "default";
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pinctrl-0 = <&arb_our_claim &arb_their_claim>;
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/* Use ID 104 as a hint that we're on physical bus 4 */
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i2c_104: i2c@0 {
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reg = <0>;
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#address-cells = <1>;
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#size-cells = <0>;
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battery: sbs-battery@b {
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compatible = "sbs,sbs-battery";
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reg = <0xb>;
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sbs,poll-retry-count = <1>;
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};
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cros_ec: embedded-controller@1e {
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compatible = "google,cros-ec-i2c";
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reg = <0x1e>;
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interrupts = <6 IRQ_TYPE_NONE>;
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interrupt-parent = <&gpx1>;
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pinctrl-names = "default";
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pinctrl-0 = <&ec_irq>;
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wakeup-source;
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};
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power-regulator@48 {
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compatible = "ti,tps65090";
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reg = <0x48>;
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/*
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* Config irq to disable internal pulls
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* even though we run in polling mode.
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*/
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pinctrl-names = "default";
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pinctrl-0 = <&tps65090_irq>;
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vsys1-supply = <&vbat>;
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vsys2-supply = <&vbat>;
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vsys3-supply = <&vbat>;
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infet1-supply = <&vbat>;
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infet2-supply = <&vbat>;
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infet3-supply = <&vbat>;
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infet4-supply = <&vbat>;
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infet5-supply = <&vbat>;
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infet6-supply = <&vbat>;
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infet7-supply = <&vbat>;
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vsys-l1-supply = <&vbat>;
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vsys-l2-supply = <&vbat>;
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regulators {
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dcdc1 {
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ti,enable-ext-control;
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};
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dcdc2 {
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ti,enable-ext-control;
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};
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dcdc3 {
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ti,enable-ext-control;
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};
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fet1: fet1 {
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regulator-name = "vcd_led";
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ti,overcurrent-wait = <3>;
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};
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tps65090_fet2: fet2 {
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regulator-name = "video_mid";
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regulator-always-on;
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ti,overcurrent-wait = <3>;
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};
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fet3 {
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regulator-name = "wwan_r";
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regulator-always-on;
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ti,overcurrent-wait = <3>;
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};
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fet4 {
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regulator-name = "sdcard";
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ti,overcurrent-wait = <3>;
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};
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fet5 {
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regulator-name = "camout";
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regulator-always-on;
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ti,overcurrent-wait = <3>;
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};
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fet6: fet6 {
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regulator-name = "lcd_vdd";
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ti,overcurrent-wait = <3>;
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};
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tps65090_fet7: fet7 {
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regulator-name = "video_mid_1a";
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regulator-always-on;
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ti,overcurrent-wait = <3>;
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};
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ldo1 {
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};
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ldo2 {
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};
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};
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charger {
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compatible = "ti,tps65090-charger";
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};
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};
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};
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};
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sound {
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samsung,i2s-controller = <&i2s0>;
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};
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usb3_vbus_reg: regulator-usb3 {
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compatible = "regulator-fixed";
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regulator-name = "P5.0V_USB3CON";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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gpio = <&gpx2 7 GPIO_ACTIVE_HIGH>;
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pinctrl-names = "default";
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pinctrl-0 = <&usb3_vbus_en>;
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enable-active-high;
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};
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fixed-rate-clocks {
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xxti {
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compatible = "samsung,clock-xxti";
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clock-frequency = <24000000>;
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};
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};
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backlight: backlight {
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compatible = "pwm-backlight";
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pwms = <&pwm 0 1000000 0>;
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brightness-levels = <0 100 500 1000 1500 2000 2500 2800>;
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default-brightness-level = <7>;
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enable-gpios = <&gpx3 0 GPIO_ACTIVE_HIGH>;
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power-supply = <&fet1>;
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pinctrl-0 = <&pwm0_out>;
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pinctrl-names = "default";
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};
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panel: panel {
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compatible = "auo,b116xw03";
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power-supply = <&fet6>;
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backlight = <&backlight>;
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port {
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panel_in: endpoint {
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remote-endpoint = <&bridge_out>;
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};
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};
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};
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mmc3_pwrseq: mmc3_pwrseq {
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compatible = "mmc-pwrseq-simple";
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reset-gpios = <&gpx0 2 GPIO_ACTIVE_LOW>, /* WIFI_RSTn */
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<&gpx0 1 GPIO_ACTIVE_LOW>; /* WIFI_EN */
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clocks = <&max77686 MAX77686_CLK_PMIC>;
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clock-names = "ext_clock";
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};
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};
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&clock {
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assigned-clocks = <&clock CLK_FOUT_EPLL>;
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assigned-clock-rates = <49152000>;
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};
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&clock_audss {
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assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>;
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assigned-clock-parents = <&clock CLK_FOUT_EPLL>;
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};
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&cpu0 {
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cpu0-supply = <&buck2_reg>;
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};
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&dp {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&dp_hpd>;
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samsung,color-space = <0>;
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samsung,color-depth = <1>;
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samsung,link-rate = <0x0a>;
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samsung,lane-count = <2>;
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hpd-gpios = <&gpx0 7 GPIO_ACTIVE_HIGH>;
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ports {
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port {
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dp_out: endpoint {
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remote-endpoint = <&bridge_in>;
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};
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};
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};
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};
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&ehci {
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samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
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};
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&fimd {
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status = "okay";
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samsung,invert-vclk;
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};
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&hdmi {
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status = "okay";
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hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
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pinctrl-names = "default";
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pinctrl-0 = <&hdmi_hpd_irq>;
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ddc = <&i2c_2>;
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hdmi-en-supply = <&tps65090_fet7>;
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vdd-supply = <&ldo8_reg>;
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vdd_osc-supply = <&ldo10_reg>;
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vdd_pll-supply = <&ldo8_reg>;
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};
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&hdmicec {
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status = "okay";
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};
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&i2c_0 {
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status = "okay";
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samsung,i2c-sda-delay = <100>;
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samsung,i2c-max-bus-freq = <378000>;
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max77686: max77686@9 {
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compatible = "maxim,max77686";
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interrupt-parent = <&gpx3>;
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interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
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pinctrl-names = "default";
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pinctrl-0 = <&max77686_irq>;
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wakeup-source;
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reg = <0x09>;
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#clock-cells = <1>;
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voltage-regulators {
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ldo1_reg: LDO1 {
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regulator-name = "P1.0V_LDO_OUT1";
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1000000>;
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regulator-always-on;
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};
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ldo2_reg: LDO2 {
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regulator-name = "P1.8V_LDO_OUT2";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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};
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ldo3_reg: LDO3 {
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regulator-name = "P1.8V_LDO_OUT3";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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};
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ldo7_reg: LDO7 {
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regulator-name = "P1.1V_LDO_OUT7";
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regulator-min-microvolt = <1100000>;
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regulator-max-microvolt = <1100000>;
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regulator-always-on;
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};
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ldo8_reg: LDO8 {
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regulator-name = "P1.0V_LDO_OUT8";
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1000000>;
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regulator-always-on;
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};
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ldo10_reg: LDO10 {
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regulator-name = "P1.8V_LDO_OUT10";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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};
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ldo12_reg: LDO12 {
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regulator-name = "P3.0V_LDO_OUT12";
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3000000>;
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regulator-always-on;
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};
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ldo14_reg: LDO14 {
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regulator-name = "P1.8V_LDO_OUT14";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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};
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ldo15_reg: LDO15 {
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regulator-name = "P1.0V_LDO_OUT15";
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1000000>;
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regulator-always-on;
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};
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ldo16_reg: LDO16 {
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regulator-name = "P1.8V_LDO_OUT16";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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};
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buck1_reg: BUCK1 {
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regulator-name = "vdd_mif";
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regulator-min-microvolt = <950000>;
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regulator-max-microvolt = <1300000>;
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regulator-always-on;
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regulator-boot-on;
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};
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buck2_reg: BUCK2 {
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regulator-name = "vdd_arm";
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regulator-min-microvolt = <850000>;
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regulator-max-microvolt = <1350000>;
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regulator-always-on;
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regulator-boot-on;
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};
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buck3_reg: BUCK3 {
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regulator-name = "vdd_int";
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regulator-min-microvolt = <900000>;
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regulator-max-microvolt = <1200000>;
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regulator-always-on;
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regulator-boot-on;
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};
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buck4_reg: BUCK4 {
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regulator-name = "vdd_g3d";
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regulator-min-microvolt = <850000>;
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regulator-max-microvolt = <1300000>;
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regulator-always-on;
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regulator-boot-on;
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};
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buck5_reg: BUCK5 {
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regulator-name = "P1.8V_BUCK_OUT5";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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regulator-boot-on;
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};
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buck6_reg: BUCK6 {
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regulator-name = "P1.35V_BUCK_OUT6";
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regulator-min-microvolt = <1350000>;
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regulator-max-microvolt = <1350000>;
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regulator-always-on;
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};
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buck7_reg: BUCK7 {
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regulator-name = "P2.0V_BUCK_OUT7";
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regulator-min-microvolt = <2000000>;
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regulator-max-microvolt = <2000000>;
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regulator-always-on;
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};
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buck8_reg: BUCK8 {
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regulator-name = "P2.85V_BUCK_OUT8";
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regulator-min-microvolt = <2850000>;
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regulator-max-microvolt = <2850000>;
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regulator-always-on;
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};
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};
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};
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};
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&i2c_1 {
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status = "okay";
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samsung,i2c-sda-delay = <100>;
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samsung,i2c-max-bus-freq = <378000>;
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trackpad@67 {
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reg = <0x67>;
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compatible = "cypress,cyapa";
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interrupts = <2 IRQ_TYPE_NONE>;
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interrupt-parent = <&gpx1>;
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wakeup-source;
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};
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};
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/*
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* Disabled pullups since external part has its own pullups and
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* double-pulling gets us out of spec in some cases.
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*/
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&i2c2_bus {
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samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
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};
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&i2c_2 {
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status = "okay";
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/* used by HDMI DDC */
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samsung,i2c-sda-delay = <100>;
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samsung,i2c-max-bus-freq = <66000>;
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};
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&i2c_3 {
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status = "okay";
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samsung,i2c-sda-delay = <100>;
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samsung,i2c-max-bus-freq = <66000>;
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};
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&i2c_4 {
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status = "okay";
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samsung,i2c-sda-delay = <100>;
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samsung,i2c-max-bus-freq = <66000>;
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};
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&i2c_5 {
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status = "okay";
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samsung,i2c-sda-delay = <100>;
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samsung,i2c-max-bus-freq = <66000>;
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};
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&i2c_7 {
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status = "okay";
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samsung,i2c-sda-delay = <100>;
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samsung,i2c-max-bus-freq = <66000>;
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ptn3460: lvds-bridge@20 {
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compatible = "nxp,ptn3460";
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reg = <0x20>;
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powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>;
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reset-gpios = <&gpx1 5 GPIO_ACTIVE_HIGH>;
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edid-emulation = <5>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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bridge_out: endpoint {
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remote-endpoint = <&panel_in>;
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};
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};
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port@1 {
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reg = <1>;
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bridge_in: endpoint {
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remote-endpoint = <&dp_out>;
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};
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};
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};
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};
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};
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&i2c_8 {
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status = "okay";
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/* used by HDMI PHY */
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samsung,i2c-sda-delay = <100>;
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samsung,i2c-max-bus-freq = <378000>;
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};
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&i2s0 {
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assigned-clocks = <&i2s0 CLK_I2S_RCLK_SRC>;
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assigned-clock-parents = <&clock_audss EXYNOS_I2S_BUS>;
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status = "okay";
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};
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&mixer {
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status = "okay";
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};
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/* eMMC flash */
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&mmc_0 {
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status = "okay";
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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;
|
|
};
|
|
|
|
/* 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 {
|
|
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 {
|
|
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 {
|
|
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 {
|
|
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 {
|
|
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 {
|
|
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 {
|
|
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 {
|
|
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 {
|
|
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 {
|
|
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 {
|
|
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_dwc3 {
|
|
dr_mode = "host";
|
|
};
|
|
|
|
&usbdrd_phy {
|
|
vbus-supply = <&usb3_vbus_reg>;
|
|
};
|
|
|
|
#include "cros-ec-keyboard.dtsi"
|