arch/arm/boot/dts/rk3288-veyron-analog-audio.dtsi

   1 /*
   2  * Google Veyron (and derivatives) fragment for the  max98090 audio
   3  * codec and analog headphone jack.
   4  *
   5  * Copyright 2016 Google, Inc
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 / {
  13         sound {
  14                 compatible = "rockchip,rockchip-audio-max98090";
  15                 pinctrl-names = "default";
  16                 pinctrl-0 = <&mic_det>, <&hp_det>;
  17                 rockchip,model = "VEYRON-I2S";
  18                 rockchip,i2s-controller = <&i2s>;
  19                 rockchip,audio-codec = <&max98090>;
  20                 rockchip,hp-det-gpios = <&gpio6 RK_PA5 GPIO_ACTIVE_HIGH>;
  21                 rockchip,mic-det-gpios = <&gpio6 RK_PB3 GPIO_ACTIVE_LOW>;
  22                 rockchip,headset-codec = <&headsetcodec>;
  23         };
  24 };
  25
  26 &i2c2 {
  27         max98090: max98090@10 {
  28                 compatible = "maxim,max98090";
  29                 reg = <0x10>;
  30                 interrupt-parent = <&gpio6>;
  31                 interrupts = <RK_PA7 IRQ_TYPE_EDGE_FALLING>;
  32                 clock-names = "mclk";
  33                 clocks = <&cru SCLK_I2S0_OUT>;
  34                 pinctrl-names = "default";
  35                 pinctrl-0 = <&int_codec>;
  36         };
  37 };
  38
  39 &i2c4 {
  40         headsetcodec: ts3a227e@3b {
  41                 compatible = "ti,ts3a227e";
  42                 reg = <0x3b>;
  43                 interrupt-parent = <&gpio0>;
  44                 interrupts = <RK_PA3 IRQ_TYPE_LEVEL_LOW>;
  45                 pinctrl-names = "default";
  46                 pinctrl-0 = <&ts3a227e_int_l>;
  47                 ti,micbias = <7>;               /* MICBIAS = 2.8V */
  48         };
  49 };
  50
  51 &i2s {
  52         status = "okay";
  53 };
  54
  55 &io_domains {
  56         audio-supply = <&vcc18_codec>;
  57 };
  58
  59 &rk808 {
  60         vcc10-supply = <&vcc33_sys>;
  61
  62         regulators {
  63                 vcc18_codec: LDO_REG6 {
  64                         regulator-name = "vcc18_codec";
  65                         regulator-always-on;
  66                         regulator-boot-on;
  67                         regulator-min-microvolt = <1800000>;
  68                         regulator-max-microvolt = <1800000>;
  69                         regulator-state-mem {
  70                                 regulator-off-in-suspend;
  71                         };
  72                 };
  73         };
  74 };
  75
  76 &pinctrl {
  77         codec {
  78                 hp_det: hp-det {
  79                         rockchip,pins = <6 5 RK_FUNC_GPIO &pcfg_pull_up>;
  80                 };
  81
  82                 /*
  83                  * HACK: We're going to _pull down_ this _active low_ interrupt
  84                  * so that it never fires.  We don't need this interrupt because
  85                  * we've got a ts3a227e chip but the driver requires it.
  86                  */
  87                 int_codec: int-codec {
  88                         rockchip,pins = <6 7 RK_FUNC_GPIO &pcfg_pull_down>;
  89                 };
  90
  91                 mic_det: mic-det {
  92                         rockchip,pins = <6 11 RK_FUNC_GPIO &pcfg_pull_up>;
  93                 };
  94         };
  95
  96         headset {
  97                 ts3a227e_int_l: ts3a227e-int-l {
  98                         rockchip,pins = <0 3 RK_FUNC_GPIO &pcfg_pull_up>;
  99                 };
 100         };
 101 };