target/linux/bcm27xx/patches-5.10/950-0366-PiFi-40-Devicetree-files.patch

   1 From 5dd5b4625a4435f64ee6a1c9f47e3609e771f14b Mon Sep 17 00:00:00 2001
   2 From: David Knell <david.knell@gmail.com>
   3 Date: Wed, 28 Oct 2020 14:20:56 +0000
   4 Subject: [PATCH] PiFi-40 Devicetree files
   5
   6 Signed-off-by: David Knell <david.knell@gmail.com>
   7 ---
   8  arch/arm/boot/dts/overlays/Makefile           |  1 +
   9  arch/arm/boot/dts/overlays/README             |  6 +++
  10  .../arm/boot/dts/overlays/pifi-40-overlay.dts | 50 +++++++++++++++++++
  11  3 files changed, 57 insertions(+)
  12  create mode 100644 arch/arm/boot/dts/overlays/pifi-40-overlay.dts
  13
  14 --- a/arch/arm/boot/dts/overlays/Makefile
  15 +++ b/arch/arm/boot/dts/overlays/Makefile
  16 @@ -125,6 +125,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
  17         pca953x.dtbo \
  18         pibell.dtbo \
  19         pifacedigital.dtbo \
  20 +       pifi-40.dtbo \
  21         piglow.dtbo \
  22         piscreen.dtbo \
  23         piscreen2r.dtbo \
  24 --- a/arch/arm/boot/dts/overlays/README
  25 +++ b/arch/arm/boot/dts/overlays/README
  26 @@ -2000,6 +2000,12 @@ Params: spi-present-mask        8-bit in
  27                                  0-3, which can be configured with JP1 and JP2.
  28
  29
  30 +Name:   pifi-40
  31 +Info:   Configures the PiFi 40W stereo amplifier
  32 +Load:   dtoverlay=pifi-40
  33 +Params: <None>
  34 +
  35 +
  36  Name:   piglow
  37  Info:   Configures the PiGlow by pimoroni.com
  38  Load:   dtoverlay=piglow
  39 --- /dev/null
  40 +++ b/arch/arm/boot/dts/overlays/pifi-40-overlay.dts
  41 @@ -0,0 +1,50 @@
  42 +// Definitions for PiFi-40 Amp
  43 +/dts-v1/;
  44 +/plugin/;
  45 +#include <dt-bindings/gpio/gpio.h>
  46 +/ {
  47 +       compatible = "brcm,bcm2835";
  48 +
  49 +       fragment@0 {
  50 +               target = <&i2s>;
  51 +               __overlay__ {
  52 +                       status = "okay";
  53 +               };
  54 +       };
  55 +
  56 +       fragment@1 {
  57 +               target = <&i2c1>;
  58 +               __overlay__ {
  59 +                       #address-cells = <1>;
  60 +                       #size-cells = <0>;
  61 +                       status = "okay";
  62 +
  63 +                       tas5711l: audio-codec@1a {
  64 +                               compatible = "ti,tas5711";
  65 +                               reg = <0x1a>;
  66 +                               #sound-dai-cells = <0>;
  67 +                               sound-name-prefix = "Left";
  68 +                               status = "okay";
  69 +                       };
  70 +
  71 +                       tas5711r: audio-codec@1b {
  72 +                               compatible = "ti,tas5711";
  73 +                               reg = <0x1b>;
  74 +                               #sound-dai-cells = <0>;
  75 +                               sound-name-prefix = "Right";
  76 +                               status = "okay";
  77 +                       };
  78 +               };
  79 +       };
  80 +
  81 +       fragment@2 {
  82 +               target = <&sound>;
  83 +               pifi_40: __overlay__ {
  84 +                       compatible = "pifi,pifi-40";
  85 +                       audio-codec = <&tas5711l &tas5711r>;
  86 +                       i2s-controller = <&i2s>;
  87 +                       pdn-gpios = <&gpio 23 1>;
  88 +                       status = "okay";
  89 +               };
  90 +       };
  91 +};