398 lines
8.3 KiB
Plaintext
Executable file
398 lines
8.3 KiB
Plaintext
Executable file
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Google Gru-Chromebook shared properties
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*
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* Copyright 2018 Google, Inc
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*/
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#include "rk3399-gru.dtsi"
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/ {
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pp900_ap: pp900-ap {
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compatible = "regulator-fixed";
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regulator-name = "pp900_ap";
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/* EC turns on w/ pp900_ap_en; always on for AP */
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <900000>;
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regulator-max-microvolt = <900000>;
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vin-supply = <&ppvar_sys>;
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};
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/* EC turns on w/ pp900_usb_en */
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pp900_usb: pp900-ap {
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};
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/* EC turns on w/ pp900_pcie_en */
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pp900_pcie: pp900-ap {
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};
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pp3000: pp3000 {
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compatible = "regulator-fixed";
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regulator-name = "pp3000";
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pinctrl-names = "default";
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pinctrl-0 = <&pp3000_en>;
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enable-active-high;
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gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3000000>;
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vin-supply = <&ppvar_sys>;
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};
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ppvar_centerlogic_pwm: ppvar-centerlogic-pwm {
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compatible = "pwm-regulator";
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regulator-name = "ppvar_centerlogic_pwm";
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pwms = <&pwm3 0 3337 0>;
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pwm-supply = <&ppvar_sys>;
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pwm-dutycycle-range = <100 0>;
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pwm-dutycycle-unit = <100>;
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/* EC turns on w/ ppvar_centerlogic_en; always on for AP */
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <799434>;
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regulator-max-microvolt = <1049925>;
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};
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ppvar_centerlogic: ppvar-centerlogic {
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compatible = "vctrl-regulator";
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regulator-name = "ppvar_centerlogic";
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regulator-min-microvolt = <799434>;
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regulator-max-microvolt = <1049925>;
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ctrl-supply = <&ppvar_centerlogic_pwm>;
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ctrl-voltage-range = <799434 1049925>;
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regulator-settling-time-up-us = <378>;
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min-slew-down-rate = <225>;
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ovp-threshold-percent = <16>;
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};
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/* Schematics call this PPVAR even though it's fixed */
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ppvar_logic: ppvar-logic {
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compatible = "regulator-fixed";
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regulator-name = "ppvar_logic";
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/* EC turns on w/ ppvar_logic_en; always on for AP */
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <900000>;
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regulator-max-microvolt = <900000>;
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vin-supply = <&ppvar_sys>;
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};
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pp1800_audio: pp1800-audio {
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compatible = "regulator-fixed";
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regulator-name = "pp1800_audio";
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pinctrl-names = "default";
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pinctrl-0 = <&pp1800_audio_en>;
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enable-active-high;
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gpio = <&gpio0 2 GPIO_ACTIVE_HIGH>;
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regulator-always-on;
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regulator-boot-on;
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vin-supply = <&pp1800>;
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};
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/* gpio is shared with pp3300_wifi_bt */
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pp1800_pcie: pp1800-pcie {
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compatible = "regulator-fixed";
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regulator-name = "pp1800_pcie";
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pinctrl-names = "default";
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pinctrl-0 = <&wlan_module_pd_l>;
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enable-active-high;
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gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
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/*
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* Need to wait 1ms + ramp-up time before we can power on WiFi.
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* This has been approximated as 8ms total.
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*/
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regulator-enable-ramp-delay = <8000>;
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vin-supply = <&pp1800>;
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};
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/* Always on; plain and simple */
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pp3000_ap: pp3000_emmc: pp3000 {
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};
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pp1500_ap_io: pp1500-ap-io {
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compatible = "regulator-fixed";
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regulator-name = "pp1500_ap_io";
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pinctrl-names = "default";
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pinctrl-0 = <&pp1500_en>;
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enable-active-high;
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gpio = <&gpio0 10 GPIO_ACTIVE_HIGH>;
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <1500000>;
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regulator-max-microvolt = <1500000>;
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vin-supply = <&pp1800>;
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};
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pp3300_disp: pp3300-disp {
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compatible = "regulator-fixed";
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regulator-name = "pp3300_disp";
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pinctrl-names = "default";
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pinctrl-0 = <&pp3300_disp_en>;
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enable-active-high;
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gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;
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startup-delay-us = <2000>;
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vin-supply = <&pp3300>;
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};
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/* EC turns on w/ pp3300_usb_en_l */
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pp3300_usb: pp3300 {
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};
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/* gpio is shared with pp1800_pcie and pinctrl is set there */
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pp3300_wifi_bt: pp3300-wifi-bt {
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compatible = "regulator-fixed";
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regulator-name = "pp3300_wifi_bt";
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enable-active-high;
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gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
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vin-supply = <&pp3300>;
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};
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/*
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* This is a bit of a hack. The WiFi module should be reset at least
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* 1ms after its regulators have ramped up (max rampup time is ~7ms).
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* With some stretching of the imagination, we can call the 1.8V
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* regulator a supply.
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*/
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wlan_pd_n: wlan-pd-n {
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compatible = "regulator-fixed";
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regulator-name = "wlan_pd_n";
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pinctrl-names = "default";
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pinctrl-0 = <&wlan_module_reset_l>;
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enable-active-high;
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gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;
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vin-supply = <&pp1800_pcie>;
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};
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backlight: backlight {
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compatible = "pwm-backlight";
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brightness-levels = <0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
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17 18 19 20 21 22 23 24 25 26 27 28 29 30
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31 32 33 34 35 36 37 38 39 40 41 42 43 44
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45 46 47 48 49 50 51 52 53 54 55 56 57 58
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59 60 61 62 63 64 65 66 67 68 69 70 71 72
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73 74 75 76 77 78 79 80 81 82 83 84 85 86
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87 88 89 90 91 92 93 94 95 96 97 98 99 100>;
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default-brightness-level = <51>;
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enable-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
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power-supply = <&pp3300_disp>;
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pinctrl-names = "default";
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pinctrl-0 = <&bl_en>;
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pwm-delay-us = <10000>;
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};
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};
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&ppvar_bigcpu {
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min-slew-down-rate = <225>;
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ovp-threshold-percent = <16>;
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};
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&ppvar_litcpu {
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min-slew-down-rate = <225>;
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ovp-threshold-percent = <16>;
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};
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&ppvar_gpu {
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min-slew-down-rate = <225>;
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ovp-threshold-percent = <16>;
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};
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&cdn_dp {
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extcon = <&usbc_extcon0>, <&usbc_extcon1>;
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};
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&edp {
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status = "okay";
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ports {
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edp_out: port@1 {
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reg = <1>;
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#address-cells = <1>;
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#size-cells = <0>;
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edp_out_panel: endpoint@0 {
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reg = <0>;
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remote-endpoint = <&panel_in_edp>;
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};
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};
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};
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};
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ap_i2c_mic: &i2c1 {
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status = "okay";
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clock-frequency = <400000>;
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/* These are relatively safe rise/fall times */
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i2c-scl-falling-time-ns = <50>;
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i2c-scl-rising-time-ns = <300>;
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headsetcodec: rt5514@57 {
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compatible = "realtek,rt5514";
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reg = <0x57>;
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realtek,dmic-init-delay-ms = <20>;
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};
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};
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ap_i2c_tp: &i2c5 {
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status = "okay";
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clock-frequency = <400000>;
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/* These are relatively safe rise/fall times */
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i2c-scl-falling-time-ns = <50>;
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i2c-scl-rising-time-ns = <300>;
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/*
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* Note strange pullup enable. Apparently this avoids leakage but
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* still allows us to get nice 4.7K pullups for high speed i2c
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* transfers. Basically we want the pullup on whenever the ap is
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* alive, so the "en" pin just gets set to output high.
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*/
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pinctrl-0 = <&i2c5_xfer &ap_i2c_tp_pu_en>;
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};
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&cros_ec {
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cros_ec_pwm: ec-pwm {
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compatible = "google,cros-ec-pwm";
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#pwm-cells = <1>;
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};
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usbc_extcon1: extcon@1 {
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compatible = "google,extcon-usbc-cros-ec";
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google,usb-port-id = <1>;
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#extcon-cells = <0>;
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};
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};
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&sound {
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rockchip,codec = <&max98357a &headsetcodec
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&codec &wacky_spi_audio &cdn_dp>;
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};
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&spi2 {
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wacky_spi_audio: spi2@0 {
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compatible = "realtek,rt5514";
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reg = <0>;
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interrupt-parent = <&gpio1>;
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interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
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pinctrl-names = "default";
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pinctrl-0 = <&mic_int>;
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/* May run faster once verified. */
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spi-max-frequency = <10000000>;
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wakeup-source;
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};
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};
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&pci_rootport {
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mvl_wifi: wifi@0,0 {
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compatible = "pci1b4b,2b42";
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reg = <0x83010000 0x0 0x00000000 0x0 0x00100000
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0x83010000 0x0 0x00100000 0x0 0x00100000>;
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interrupt-parent = <&gpio0>;
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interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
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pinctrl-names = "default";
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pinctrl-0 = <&wlan_host_wake_l>;
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wakeup-source;
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};
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};
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&tcphy1 {
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status = "okay";
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extcon = <&usbc_extcon1>;
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};
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&u2phy1 {
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status = "okay";
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};
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&usb_host0_ehci {
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status = "okay";
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};
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&usb_host1_ehci {
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status = "okay";
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};
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&usb_host1_ohci {
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status = "okay";
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};
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&usbdrd3_1 {
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status = "okay";
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extcon = <&usbc_extcon1>;
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};
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&usbdrd_dwc3_1 {
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status = "okay";
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dr_mode = "host";
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};
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&pinctrl {
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discrete-regulators {
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pp1500_en: pp1500-en {
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rockchip,pins = <RK_GPIO0 10 RK_FUNC_GPIO
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&pcfg_pull_none>;
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};
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pp1800_audio_en: pp1800-audio-en {
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rockchip,pins = <RK_GPIO0 2 RK_FUNC_GPIO
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&pcfg_pull_down>;
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};
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pp3000_en: pp3000-en {
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rockchip,pins = <RK_GPIO0 12 RK_FUNC_GPIO
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&pcfg_pull_none>;
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};
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pp3300_disp_en: pp3300-disp-en {
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rockchip,pins = <RK_GPIO4 27 RK_FUNC_GPIO
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&pcfg_pull_none>;
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};
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wlan_module_pd_l: wlan-module-pd-l {
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rockchip,pins = <RK_GPIO0 4 RK_FUNC_GPIO
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&pcfg_pull_down>;
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};
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};
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};
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&wifi {
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wifi_perst_l: wifi-perst-l {
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rockchip,pins = <2 27 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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wlan_host_wake_l: wlan-host-wake-l {
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rockchip,pins = <0 8 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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};
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