arch/arm/boot/dts/overlays/merus-amp-overlay.dts

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 // Definitions for Infineon Merus-Amp
   3 /dts-v1/;
   4 /plugin/;
   5 #include <dt-bindings/pinctrl/bcm2835.h>
   6 #include <dt-bindings/gpio/gpio.h>
   7
   8 / {
   9         compatible = "brcm,bcm2835";
  10
  11         fragment@0 {
  12                 target = <&i2s>;
  13                 __overlay__ {
  14                         status = "okay";
  15                 };
  16         };
  17
  18         fragment@1 {
  19                 target = <&gpio>;
  20                 __overlay__ {
  21                         merus_amp_pins: merus_amp_pins {
  22                                 brcm,pins = <23 8>;
  23                                 brcm,function = <0 0>;
  24                                 brcm,pull = <2 0>;
  25                         };
  26                 };
  27         };
  28
  29         fragment@2 {
  30                 target = <&i2c1>;
  31                 __overlay__ {
  32                         #address-cells = <1>;
  33                         #size-cells = <0>;
  34                         status = "okay";
  35
  36                         merus_amp: ma120x0p@20 {
  37                                 #sound-dai-cells = <0>;
  38                                 compatible = "ma,ma120x0p";
  39                                 reg = <0x20>;
  40                                 status = "okay";
  41                                 pinctrl-names = "default";
  42                                 pinctrl-0 = <&merus_amp_pins>;
  43                                 enable_gp-gpios = <&gpio 14 GPIO_ACTIVE_HIGH>;
  44                                 mute_gp-gpios = <&gpio 15 GPIO_ACTIVE_HIGH>;
  45                                 booster_gp-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
  46                                 error_gp-gpios = <&gpio 23 GPIO_ACTIVE_HIGH>;
  47                         };
  48                 };
  49         };
  50
  51         fragment@3 {
  52                 target = <&sound>;
  53                 __overlay__ {
  54                         compatible = "merus,merus-amp";
  55                         i2s-controller = <&i2s>;
  56                         status = "okay";
  57                 };
  58         };
  59 };