target/linux/brcm2708/patches-4.9/0136-ASoC-A-simple-card-overlay-for-ADAU7002.patch

   1 From 1cd1f19adbe020544e18193a006af9c71c8c82ca Mon Sep 17 00:00:00 2001
   2 From: chris johnson <plasticchris@gmail.com>
   3 Date: Sun, 22 Jan 2017 03:27:31 +0000
   4 Subject: [PATCH] ASoC: A simple-card overlay for ADAU7002
   5
   6 Usage: `dtoverlay=adau7002-simple`
   7 ---
   8  arch/arm/boot/dts/overlays/Makefile                |  1 +
   9  arch/arm/boot/dts/overlays/README                  |  6 +++
  10  .../boot/dts/overlays/adau7002-simple-overlay.dts  | 52 ++++++++++++++++++++++
  11  3 files changed, 59 insertions(+)
  12  create mode 100644 arch/arm/boot/dts/overlays/adau7002-simple-overlay.dts
  13
  14 --- a/arch/arm/boot/dts/overlays/Makefile
  15 +++ b/arch/arm/boot/dts/overlays/Makefile
  16 @@ -2,6 +2,7 @@
  17
  18  dtbo-$(CONFIG_ARCH_BCM2835) += \
  19         adau1977-adc.dtbo \
  20 +       adau7002-simple.dtbo \
  21         ads1015.dtbo \
  22         ads7846.dtbo \
  23         akkordion-iqdacplus.dtbo \
  24 --- a/arch/arm/boot/dts/overlays/README
  25 +++ b/arch/arm/boot/dts/overlays/README
  26 @@ -168,6 +168,12 @@ Load:   dtoverlay=adau1977-adc
  27  Params: <None>
  28
  29
  30 +Name:   adau7002-simple
  31 +Info:   Overlay for the activation of ADAU7002 stereo PDM to I2S converter.
  32 +Load:   dtoverlay=adau7002-simple,<param>=<val>
  33 +Params: card-name               Override the default, "adau7002", card name.
  34 +
  35 +
  36  Name:   ads1015
  37  Info:   Overlay for activation of Texas Instruments ADS1015 ADC over I2C
  38  Load:   dtoverlay=ads1015,<param>=<val>
  39 --- /dev/null
  40 +++ b/arch/arm/boot/dts/overlays/adau7002-simple-overlay.dts
  41 @@ -0,0 +1,52 @@
  42 +/dts-v1/;
  43 +/plugin/;
  44 +
  45 +/ {
  46 +    compatible = "brcm,bcm2708";
  47 +
  48 +    fragment@0 {
  49 +        target = <&i2s>;
  50 +        __overlay__ {
  51 +            status = "okay";
  52 +        };
  53 +    };
  54 +
  55 +    fragment@1 {
  56 +        target-path = "/";
  57 +        __overlay__ {
  58 +                adau7002_codec: adau7002-codec {
  59 +                #sound-dai-cells = <0>;
  60 +                compatible = "adi,adau7002";
  61 +/*                IOVDD-supply = <&supply>;*/
  62 +                status = "okay";
  63 +            };
  64 +        };
  65 +    };
  66 +
  67 +    fragment@2 {
  68 +        target = <&sound>;
  69 +            sound_overlay: __overlay__ {
  70 +            compatible = "simple-audio-card";
  71 +            simple-audio-card,format = "i2s";
  72 +            simple-audio-card,name = "adau7002";
  73 +            simple-audio-card,bitclock-slave = <&dailink0_slave>;
  74 +            simple-audio-card,frame-slave = <&dailink0_slave>;
  75 +            simple-audio-card,widgets =
  76 +                    "Microphone", "Microphone Jack";
  77 +            simple-audio-card,routing =
  78 +                    "PDM_DAT", "Microphone Jack";
  79 +            status = "okay";
  80 +            simple-audio-card,cpu {
  81 +                sound-dai = <&i2s>;
  82 +            };
  83 +            dailink0_slave: simple-audio-card,codec {
  84 +                sound-dai = <&adau7002_codec>;
  85 +            };
  86 +        };
  87 +    };
  88 +
  89 +
  90 +    __overrides__ {
  91 +        card-name = <&sound_overlay>,"simple-audio-card,name";
  92 +    };
  93 +};