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diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts b/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts
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+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Google Gru-Kevin Rev 6+ board device tree source
+ *
+ * Copyright 2016-2017 Google, Inc
+ */
+
+/dts-v1/;
+#include "rk3399-gru-chromebook.dtsi"
+#include <dt-bindings/input/linux-event-codes.h>
+
+/*
+ * Kevin-specific things
+ *
+ * Things in this section should use names from Kevin schematic since no
+ * equivalent exists in Gru schematic. If referring to signals that exist
+ * in Gru we use the Gru names, though. Confusing enough for you?
+ */
+/ {
+ model = "Google Kevin";
+ compatible = "google,kevin-rev15", "google,kevin-rev14",
+ "google,kevin-rev13", "google,kevin-rev12",
+ "google,kevin-rev11", "google,kevin-rev10",
+ "google,kevin-rev9", "google,kevin-rev8",
+ "google,kevin-rev7", "google,kevin-rev6",
+ "google,kevin", "google,gru", "rockchip,rk3399";
+
+ /* Power tree */
+
+ p3_3v_dig: p3-3v-dig {
+ compatible = "regulator-fixed";
+ regulator-name = "p3.3v_dig";
+ pinctrl-names = "default";
+ pinctrl-0 = <&cpu3_pen_pwr_en>;
+
+ enable-active-high;
+ gpio = <&gpio4 30 GPIO_ACTIVE_HIGH>;
+ vin-supply = <&pp3300>;
+ };
+
+ edp_panel: edp-panel {
+ compatible = "sharp,lq123p1jx31";
+ backlight = <&backlight>;
+ power-supply = <&pp3300_disp>;
+
+ panel-timing {
+ clock-frequency = <266666667>;
+ hactive = <2400>;
+ hfront-porch = <48>;
+ hback-porch = <84>;
+ hsync-len = <32>;
+ hsync-active = <0>;
+ vactive = <1600>;
+ vfront-porch = <3>;
+ vback-porch = <120>;
+ vsync-len = <10>;
+ vsync-active = <0>;
+ };
+
+ port {
+ panel_in_edp: endpoint {
+ remote-endpoint = <&edp_out_panel>;
+ };
+ };
+ };
+
+ thermistor_ppvar_bigcpu: thermistor-ppvar-bigcpu {
+ compatible = "murata,ncp15wb473";
+ pullup-uv = <1800000>;
+ pullup-ohm = <25500>;
+ pulldown-ohm = <0>;
+ io-channels = <&saradc 2>;
+ #thermal-sensor-cells = <0>;
+ };
+
+ thermistor_ppvar_litcpu: thermistor-ppvar-litcpu {
+ compatible = "murata,ncp15wb473";
+ pullup-uv = <1800000>;
+ pullup-ohm = <25500>;
+ pulldown-ohm = <0>;
+ io-channels = <&saradc 3>;
+ #thermal-sensor-cells = <0>;
+ };
+};
+
+&backlight {
+ pwms = <&cros_ec_pwm 1>;
+};
+
+&gpio_keys {
+ pinctrl-names = "default";
+ pinctrl-0 = <&bt_host_wake_l>, <&cpu1_pen_eject>;
+
+ pen-insert {
+ label = "Pen Insert";
+ /* Insert = low, eject = high */
+ gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
+ linux,code = <SW_PEN_INSERTED>;
+ linux,input-type = <EV_SW>;
+ wakeup-source;
+ };
+};
+
+&thermal_zones {
+ bigcpu_reg_thermal: bigcpu-reg-thermal {
+ polling-delay-passive = <100>; /* milliseconds */
+ polling-delay = <1000>; /* milliseconds */
+ thermal-sensors = <&thermistor_ppvar_bigcpu 0>;
+ sustainable-power = <4000>;
+
+ ppvar_bigcpu_trips: trips {
+ ppvar_bigcpu_on: ppvar-bigcpu-on {
+ temperature = <40000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "passive";
+ };
+
+ ppvar_bigcpu_alert: ppvar-bigcpu-alert {
+ temperature = <50000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "passive";
+ };
+
+ ppvar_bigcpu_crit: ppvar-bigcpu-crit {
+ temperature = <90000>; /* millicelsius */
+ hysteresis = <0>; /* millicelsius */
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&ppvar_bigcpu_alert>;
+ cooling-device =
+ <&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_l1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_l2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_l3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ contribution = <4096>;
+ };
+ map1 {
+ trip = <&ppvar_bigcpu_alert>;
+ cooling-device =
+ <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu_b1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ contribution = <1024>;
+ };
+ };
+ };
+
+ litcpu_reg_thermal: litcpu-reg-thermal {
+ polling-delay-passive = <100>; /* milliseconds */
+ polling-delay = <1000>; /* milliseconds */
+ thermal-sensors = <&thermistor_ppvar_litcpu 0>;
+ sustainable-power = <4000>;
+
+ ppvar_litcpu_trips: trips {
+ ppvar_litcpu_on: ppvar-litcpu-on {
+ temperature = <40000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "passive";
+ };
+
+ ppvar_litcpu_alert: ppvar-litcpu-alert {
+ temperature = <50000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "passive";
+ };
+
+ ppvar_litcpu_crit: ppvar-litcpu-crit {
+ temperature = <90000>; /* millicelsius */
+ hysteresis = <0>; /* millicelsius */
+ type = "critical";
+ };
+ };
+ };
+};
+
+ap_i2c_tpm: &i2c0 {
+ status = "okay";
+
+ clock-frequency = <400000>;
+
+ /* These are relatively safe rise/fall times. */
+ i2c-scl-falling-time-ns = <50>;
+ i2c-scl-rising-time-ns = <300>;
+
+ tpm: tpm@20 {
+ compatible = "infineon,slb9645tt";
+ reg = <0x20>;
+ powered-while-suspended;
+ };
+};
+
+ap_i2c_dig: &i2c2 {
+ status = "okay";
+
+ clock-frequency = <400000>;
+
+ /* These are relatively safe rise/fall times. */
+ i2c-scl-falling-time-ns = <50>;
+ i2c-scl-rising-time-ns = <300>;
+
+ digitizer: digitizer@9 {
+ /* wacom,w9013 */
+ compatible = "hid-over-i2c";
+ reg = <0x9>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&cpu1_dig_irq_l &cpu1_dig_pdct_l>;
+
+ vdd-supply = <&p3_3v_dig>;
+ post-power-on-delay-ms = <100>;
+
+ interrupt-parent = <&gpio2>;
+ interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
+
+ hid-descr-addr = <0x1>;
+ };
+};
+
+/* Adjustments to things in the gru baseboard */
+
+&ap_i2c_tp {
+ trackpad@4a {
+ compatible = "atmel,maxtouch";
+ reg = <0x4a>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&trackpad_int_l>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
+ linux,gpio-keymap = <KEY_RESERVED
+ KEY_RESERVED
+ KEY_RESERVED
+ BTN_LEFT>;
+ wakeup-source;
+ };
+};
+
+&ap_i2c_ts {
+ touchscreen@4b {
+ compatible = "atmel,maxtouch";
+ reg = <0x4b>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&touch_int_l>;
+ interrupt-parent = <&gpio3>;
+ interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
+ };
+};
+
+&ppvar_bigcpu_pwm {
+ regulator-min-microvolt = <798674>;
+ regulator-max-microvolt = <1302172>;
+};
+
+&ppvar_bigcpu {
+ regulator-min-microvolt = <798674>;
+ regulator-max-microvolt = <1302172>;
+ ctrl-voltage-range = <798674 1302172>;
+};
+
+&ppvar_litcpu_pwm {
+ regulator-min-microvolt = <799065>;
+ regulator-max-microvolt = <1303738>;
+};
+
+&ppvar_litcpu {
+ regulator-min-microvolt = <799065>;
+ regulator-max-microvolt = <1303738>;
+ ctrl-voltage-range = <799065 1303738>;
+};
+
+&ppvar_gpu_pwm {
+ regulator-min-microvolt = <785782>;
+ regulator-max-microvolt = <1217729>;
+};
+
+&ppvar_gpu {
+ regulator-min-microvolt = <785782>;
+ regulator-max-microvolt = <1217729>;
+ ctrl-voltage-range = <785782 1217729>;
+};
+
+&ppvar_centerlogic_pwm {
+ regulator-min-microvolt = <800069>;
+ regulator-max-microvolt = <1049692>;
+};
+
+&ppvar_centerlogic {
+ regulator-min-microvolt = <800069>;
+ regulator-max-microvolt = <1049692>;
+ ctrl-voltage-range = <800069 1049692>;
+};
+
+&saradc {
+ status = "okay";
+ vref-supply = <&pp1800_ap_io>;
+};
+
+&mvl_wifi {
+ marvell,wakeup-pin = <14>; /* GPIO_14 on Marvell */
+};
+
+&pinctrl {
+ digitizer {
+ /* Has external pullup */
+ cpu1_dig_irq_l: cpu1-dig-irq-l {
+ rockchip,pins = <2 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ /* Has external pullup */
+ cpu1_dig_pdct_l: cpu1-dig-pdct-l {
+ rockchip,pins = <2 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ discrete-regulators {
+ cpu3_pen_pwr_en: cpu3-pen-pwr-en {
+ rockchip,pins = <4 RK_PD6 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ pen {
+ cpu1_pen_eject: cpu1-pen-eject {
+ rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+};