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/emmc-pwrseq;
  18 };
  19
  20 &emmc {
  21         /*
  22          * Use a pullup instead of a drive since the output is 3.3V and
  23          * really should be 1.8V (oops).  The external pulldown will help
  24          * bring the voltage down if we only drive with a pullup here.
  25          * Therefore disable the powerseq (and actual reset) for pinky.
  26          */
  27         /delete-property/mmc-pwrseq;
  28         pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8 &emmc_reset>;
  29 };
  30
  31 &edp {
  32         /delete-property/pinctrl-names;
  33         /delete-property/pinctrl-0;
  34
  35         force-hpd;
  36 };
  37
  38 &lid_switch {
  39         pinctrl-0 = <&pwr_key_h &ap_lid_int_l>;
  40
  41         power {
  42                 gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_HIGH>;
  43         };
  44 };
  45
  46 /* Touchpad connector */
  47 &i2c3 {
  48         status = "okay";
  49
  50         clock-frequency = <400000>;
  51         i2c-scl-falling-time-ns = <50>;
  52         i2c-scl-rising-time-ns = <300>;
  53 };
  54
  55 &pinctrl {
  56         buttons {
  57                 pwr_key_h: pwr-key-h {
  58                         rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
  59                 };
  60         };
  61
  62         emmc {
  63                 emmc_reset: emmc-reset {
  64                         rockchip,pins = <7 RK_PB4 RK_FUNC_GPIO &pcfg_pull_up>;
  65                 };
  66         };
  67
  68         sdmmc {
  69                 sdmmc_wp_gpio: sdmmc-wp-gpio {
  70                         rockchip,pins = <7 RK_PB2 RK_FUNC_GPIO &pcfg_pull_up>;
  71                 };
  72         };
  73 };
  74
  75 &rk808 {
  76         regulators {
  77                 vcc18_lcd: SWITCH_REG2 {
  78                         regulator-always-on;
  79                         regulator-boot-on;
  80                         regulator-name = "vcc18_lcd";
  81                         regulator-state-mem {
  82                                 regulator-off-in-suspend;
  83                         };
  84                 };
  85         };
  86 };
  87
  88 &sdmmc {
  89         pinctrl-names = "default";
  90         pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd_disabled &sdmmc_cd_gpio
  91                      &sdmmc_wp_gpio &sdmmc_bus4>;
  92         wp-gpios = <&gpio7 RK_PB2 GPIO_ACTIVE_HIGH>;
  93 };
  94
  95 &tsadc {
  96         /* Some connection is flaky making the tsadc hang the system */
  97         status = "disabled";
  98 };