target/linux/bcm27xx/patches-5.4/950-1039-overlays-add-wm8960-soundcard-overlay.patch

   1 From 4b26aad69c65e141e7ad5187c558d20304eb4bd8 Mon Sep 17 00:00:00 2001
   2 From: Aaron Shaw <shawaj@gmail.com>
   3 Date: Sat, 2 Jan 2021 02:34:03 +0000
   4 Subject: [PATCH] overlays: add wm8960-soundcard overlay
   5
   6 add overlay for waveshare wm8960 simple-audio-card
   7
   8 Change-type: patch
   9 Signed-off-by: Aaron Shaw <shawaj@gmail.com>
  10 ---
  11  arch/arm/boot/dts/overlays/Makefile           |  3 +-
  12  arch/arm/boot/dts/overlays/README             |  7 ++
  13  .../dts/overlays/wm8960-soundcard-overlay.dts | 82 +++++++++++++++++++
  14  3 files changed, 91 insertions(+), 1 deletion(-)
  15  create mode 100644 arch/arm/boot/dts/overlays/wm8960-soundcard-overlay.dts
  16
  17 --- a/arch/arm/boot/dts/overlays/Makefile
  18 +++ b/arch/arm/boot/dts/overlays/Makefile
  19 @@ -210,7 +210,8 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
  20         w1-gpio.dtbo \
  21         w1-gpio-pullup.dtbo \
  22         w5500.dtbo \
  23 -       wittypi.dtbo
  24 +       wittypi.dtbo \
  25 +       wm8960-soundcard.dtbo
  26
  27  targets += dtbs dtbs_install
  28  targets += $(dtbo-y)
  29 --- a/arch/arm/boot/dts/overlays/README
  30 +++ b/arch/arm/boot/dts/overlays/README
  31 @@ -3073,6 +3073,13 @@ Params: led_gpio                GPIO for
  32                                  "default-on")
  33
  34
  35 +Name:   wm8960-soundcard
  36 +Info:   Overlay for the Waveshare wm8960 soundcard
  37 +Load:   dtoverlay=wm8960-soundcard,<param>=<val>
  38 +Params: alsaname                Changes the card name in ALSA
  39 +        compatible              Changes the codec compatibility
  40 +
  41 +
  42  Troubleshooting
  43  ===============
  44
  45 --- /dev/null
  46 +++ b/arch/arm/boot/dts/overlays/wm8960-soundcard-overlay.dts
  47 @@ -0,0 +1,82 @@
  48 +// Definitions for Waveshare WM8960 https://github.com/waveshare/WM8960-Audio-HAT
  49 +/dts-v1/;
  50 +/plugin/;
  51 +
  52 +/ {
  53 +       compatible = "brcm,bcm2835";
  54 +
  55 +       fragment@0 {
  56 +               target = <&i2s>;
  57 +               __overlay__ {
  58 +                       status = "okay";
  59 +               };
  60 +       };
  61 +
  62 +       fragment@1 {
  63 +               target-path="/";
  64 +               __overlay__ {
  65 +                       wm8960_mclk: wm8960_mclk {
  66 +                               compatible = "fixed-clock";
  67 +                               #clock-cells = <0>;
  68 +                               clock-frequency = <12288000>;
  69 +                       };
  70 +               };
  71 +       };
  72 +       fragment@2 {
  73 +               target = <&i2c1>;
  74 +               __overlay__ {
  75 +                       #address-cells = <1>;
  76 +                       #size-cells = <0>;
  77 +                       status = "okay";
  78 +
  79 +                       wm8960: wm8960 {
  80 +                               compatible = "wlf,wm8960";
  81 +                               reg = <0x1a>;
  82 +                               #sound-dai-cells = <0>;
  83 +                               AVDD-supply = <&vdd_5v0_reg>;
  84 +                               DVDD-supply = <&vdd_3v3_reg>;
  85 +                       };
  86 +               };
  87 +       };
  88 +
  89 +
  90 +       fragment@3 {
  91 +               target = <&sound>;
  92 +               slave_overlay: __overlay__ {
  93 +                       compatible = "simple-audio-card";
  94 +                       simple-audio-card,format = "i2s";
  95 +                       simple-audio-card,name = "wm8960-soundcard";
  96 +                       status = "okay";
  97 +
  98 +                       simple-audio-card,widgets =
  99 +                               "Microphone", "Mic Jack",
 100 +                               "Line", "Line In",
 101 +                               "Line", "Line Out",
 102 +                               "Speaker", "Speaker",
 103 +                               "Headphone", "Headphone Jack";
 104 +                       simple-audio-card,routing =
 105 +                               "Headphone Jack", "HP_L",
 106 +                               "Headphone Jack", "HP_R",
 107 +                               "Speaker", "SPK_LP",
 108 +                               "Speaker", "SPK_LN",
 109 +                               "LINPUT1", "Mic Jack",
 110 +                               "LINPUT3", "Mic Jack",
 111 +                               "RINPUT1", "Mic Jack",
 112 +                               "RINPUT2", "Mic Jack";
 113 +
 114 +                       simple-audio-card,cpu {
 115 +                               sound-dai = <&i2s>;
 116 +                       };
 117 +                       dailink0_slave: simple-audio-card,codec {
 118 +                               sound-dai = <&wm8960>;
 119 +                               clocks = <&wm8960_mclk>;
 120 +                               clock-names = "mclk";
 121 +                       };
 122 +               };
 123 +       };
 124 +
 125 +       __overrides__ {
 126 +               alsaname = <&slave_overlay>,"simple-audio-card,name";
 127 +               compatible = <&wm8960>,"compatible";
 128 +       };
 129 +};