arch/arm/boot/dts/rk3288-veyron-pinky.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Google Veyron Pinky Rev 2 board device tree source
   4  *
   5  * Copyright 2015 Google, Inc
   6  */
   7
   8 /dts-v1/;
   9 #include "rk3288-veyron-chromebook.dtsi"
  10 #include "cros-ec-sbs.dtsi"
  11
  12 / {
  13         model = "Google Pinky";
  14         compatible = "google,veyron-pinky-rev2", "google,veyron-pinky",
  15                      "google,veyron", "rockchip,rk3288";
  16
  17         /delete-node/backlight-regulator;
  18         /delete-node/panel-regulator;
  19         /delete-node/emmc-pwrseq;
  20         /delete-node/vcc18-lcd;
  21 };
  22
  23 &backlight {
  24         /delete-property/power-supply;
  25 };
  26
  27 &emmc {
  28         /*
  29          * Use a pullup instead of a drive since the output is 3.3V and
  30          * really should be 1.8V (oops).  The external pulldown will help
  31          * bring the voltage down if we only drive with a pullup here.
  32          * Therefore disable the powerseq (and actual reset) for pinky.
  33          */
  34         /delete-property/mmc-pwrseq;
  35         pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8 &emmc_reset>;
  36 };
  37
  38 &edp {
  39         /delete-property/pinctrl-names;
  40         /delete-property/pinctrl-0;
  41
  42         force-hpd;
  43 };
  44
  45 &lid_switch {
  46         pinctrl-0 = <&pwr_key_h &ap_lid_int_l>;
  47
  48         power {
  49                 gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_HIGH>;
  50         };
  51 };
  52
  53 /* Touchpad connector */
  54 &i2c3 {
  55         status = "okay";
  56
  57         clock-frequency = <400000>;
  58         i2c-scl-falling-time-ns = <50>;
  59         i2c-scl-rising-time-ns = <300>;
  60 };
  61
  62 &panel {
  63         power-supply = <&vcc33_lcd>;
  64 };
  65
  66 &pinctrl {
  67         pinctrl-names = "default", "sleep";
  68         pinctrl-0 = <
  69                 /* Common for sleep and wake, but no owners */
  70                 &ddr0_retention
  71                 &ddrio_pwroff
  72                 &global_pwroff
  73
  74                 /* Wake only */
  75                 &suspend_l_wake
  76                 &bt_dev_wake_awake
  77         >;
  78         pinctrl-1 = <
  79                 /* Common for sleep and wake, but no owners */
  80                 &ddr0_retention
  81                 &ddrio_pwroff
  82                 &global_pwroff
  83
  84                 /* Sleep only */
  85                 &suspend_l_sleep
  86                 &bt_dev_wake_sleep
  87         >;
  88
  89         /delete-node/ lcd;
  90
  91         backlight {
  92                 /delete-node/ bl_pwr_en;
  93         };
  94
  95         buttons {
  96                 pwr_key_h: pwr-key-h {
  97                         rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
  98                 };
  99         };
 100
 101         emmc {
 102                 emmc_reset: emmc-reset {
 103                         rockchip,pins = <7 RK_PB4 RK_FUNC_GPIO &pcfg_pull_up>;
 104                 };
 105         };
 106
 107         sdmmc {
 108                 sdmmc_wp_pin: sdmmc-wp-pin {
 109                         rockchip,pins = <7 RK_PB2 RK_FUNC_GPIO &pcfg_pull_up>;
 110                 };
 111         };
 112 };
 113
 114 &rk808 {
 115         regulators {
 116                 vcc18_lcd: SWITCH_REG2 {
 117                         regulator-always-on;
 118                         regulator-boot-on;
 119                         regulator-name = "vcc18_lcd";
 120                         regulator-state-mem {
 121                                 regulator-off-in-suspend;
 122                         };
 123                 };
 124         };
 125 };
 126
 127 &sdmmc {
 128         pinctrl-names = "default";
 129         pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd_disabled &sdmmc_cd_pin
 130                      &sdmmc_wp_pin &sdmmc_bus4>;
 131         wp-gpios = <&gpio7 RK_PB2 GPIO_ACTIVE_HIGH>;
 132 };
 133
 134 &tsadc {
 135         /* Some connection is flaky making the tsadc hang the system */
 136         status = "disabled";
 137 };