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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Google Veyron (and derivatives) fragment for the  max98090 audio
   4  * codec and analog headphone jack.
   5  *
   6  * Copyright 2016 Google, Inc
   7  */
   8
   9 / {
  10         sound {
  11                 compatible = "rockchip,rockchip-audio-max98090";
  12                 pinctrl-names = "default";
  13                 pinctrl-0 = <&mic_det>, <&hp_det>;
  14                 rockchip,model = "VEYRON-I2S";
  15                 rockchip,i2s-controller = <&i2s>;
  16                 rockchip,audio-codec = <&max98090>;
  17                 rockchip,hp-det-gpios = <&gpio6 RK_PA5 GPIO_ACTIVE_HIGH>;
  18                 rockchip,mic-det-gpios = <&gpio6 RK_PB3 GPIO_ACTIVE_LOW>;
  19                 rockchip,headset-codec = <&headsetcodec>;
  20         };
  21 };
  22
  23 &i2c2 {
  24         max98090: max98090@10 {
  25                 compatible = "maxim,max98090";
  26                 reg = <0x10>;
  27                 interrupt-parent = <&gpio6>;
  28                 interrupts = <RK_PA7 IRQ_TYPE_EDGE_FALLING>;
  29                 clock-names = "mclk";
  30                 clocks = <&cru SCLK_I2S0_OUT>;
  31                 pinctrl-names = "default";
  32                 pinctrl-0 = <&int_codec>;
  33         };
  34 };
  35
  36 &i2c4 {
  37         headsetcodec: ts3a227e@3b {
  38                 compatible = "ti,ts3a227e";
  39                 reg = <0x3b>;
  40                 interrupt-parent = <&gpio0>;
  41                 interrupts = <RK_PA3 IRQ_TYPE_LEVEL_LOW>;
  42                 pinctrl-names = "default";
  43                 pinctrl-0 = <&ts3a227e_int_l>;
  44                 ti,micbias = <7>;               /* MICBIAS = 2.8V */
  45         };
  46 };
  47
  48 &i2s {
  49         status = "okay";
  50 };
  51
  52 &io_domains {
  53         audio-supply = <&vcc18_codec>;
  54 };
  55
  56 &rk808 {
  57         vcc10-supply = <&vcc33_sys>;
  58
  59         regulators {
  60                 vcc18_codec: LDO_REG6 {
  61                         regulator-name = "vcc18_codec";
  62                         regulator-always-on;
  63                         regulator-boot-on;
  64                         regulator-min-microvolt = <1800000>;
  65                         regulator-max-microvolt = <1800000>;
  66                         regulator-state-mem {
  67                                 regulator-off-in-suspend;
  68                         };
  69                 };
  70         };
  71 };
  72
  73 &pinctrl {
  74         codec {
  75                 hp_det: hp-det {
  76                         rockchip,pins = <6 5 RK_FUNC_GPIO &pcfg_pull_up>;
  77                 };
  78
  79                 /*
  80                  * HACK: We're going to _pull down_ this _active low_ interrupt
  81                  * so that it never fires.  We don't need this interrupt because
  82                  * we've got a ts3a227e chip but the driver requires it.
  83                  */
  84                 int_codec: int-codec {
  85                         rockchip,pins = <6 7 RK_FUNC_GPIO &pcfg_pull_down>;
  86                 };
  87
  88                 mic_det: mic-det {
  89                         rockchip,pins = <6 11 RK_FUNC_GPIO &pcfg_pull_up>;
  90                 };
  91         };
  92
  93         headset {
  94                 ts3a227e_int_l: ts3a227e-int-l {
  95                         rockchip,pins = <0 3 RK_FUNC_GPIO &pcfg_pull_up>;
  96                 };
  97         };
  98 };