target/linux/bcm27xx/patches-4.19/950-0142-overlays-Add-an-overlay-for-the-Adafruit-Kippah-with.patch

   1 From 467e9cb87261c27b6c70ec714ae3cb58b48d0f6b Mon Sep 17 00:00:00 2001
   2 From: Eric Anholt <eric@anholt.net>
   3 Date: Fri, 9 Mar 2018 13:20:21 -0800
   4 Subject: [PATCH] overlays: Add an overlay for the Adafruit Kippah with
   5  their 7" panel
   6
   7 Signed-off-by: Eric Anholt <eric@anholt.net>
   8 ---
   9  arch/arm/boot/dts/overlays/Makefile           |  1 +
  10  arch/arm/boot/dts/overlays/README             |  7 +++
  11  .../overlays/vc4-kms-kippah-7inch-overlay.dts | 43 +++++++++++++++++++
  12  3 files changed, 51 insertions(+)
  13  create mode 100644 arch/arm/boot/dts/overlays/vc4-kms-kippah-7inch-overlay.dts
  14
  15 --- a/arch/arm/boot/dts/overlays/Makefile
  16 +++ b/arch/arm/boot/dts/overlays/Makefile
  17 @@ -134,6 +134,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
  18         upstream.dtbo \
  19         upstream-aux-interrupt.dtbo \
  20         vc4-fkms-v3d.dtbo \
  21 +       vc4-kms-kippah-7inch.dtbo \
  22         vc4-kms-v3d.dtbo \
  23         vga666.dtbo \
  24         w1-gpio.dtbo \
  25 --- a/arch/arm/boot/dts/overlays/README
  26 +++ b/arch/arm/boot/dts/overlays/README
  27 @@ -1920,6 +1920,13 @@ Params: cma-256                 CMA is 2
  28          cma-64                  CMA is 64MB, 64MB-aligned
  29
  30
  31 +Name:   vc4-kms-kippah-7inch
  32 +Info:   Enable the Adafruit DPI Kippah with the 7" Ontat panel attached.
  33 +        Requires vc4-kms-v3d to be loaded.
  34 +Load:   dtoverlay=vc4-kms-kippah-7inch
  35 +Params: <None>
  36 +
  37 +
  38  Name:   vc4-kms-v3d
  39  Info:   Enable Eric Anholt's DRM VC4 HDMI/HVS/V3D driver. Running startx or
  40          booting to GUI while this overlay is in use will cause interesting
  41 --- /dev/null
  42 +++ b/arch/arm/boot/dts/overlays/vc4-kms-kippah-7inch-overlay.dts
  43 @@ -0,0 +1,43 @@
  44 +/*
  45 + * vc4-kms-v3d-overlay.dts
  46 + */
  47 +
  48 +/dts-v1/;
  49 +/plugin/;
  50 +
  51 +#include <dt-bindings/pinctrl/bcm2835.h>
  52 +
  53 +/ {
  54 +       compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
  55 +
  56 +       fragment@0 {
  57 +               target-path = "/";
  58 +               __overlay__ {
  59 +                       panel: panel {
  60 +                               compatible = "ontat,yx700wv03", "simple-panel";
  61 +
  62 +                               port {
  63 +                                       panel_in: endpoint {
  64 +                                               remote-endpoint = <&dpi_out>;
  65 +                                       };
  66 +                               };
  67 +                       };
  68 +               };
  69 +       };
  70 +
  71 +       fragment@1 {
  72 +               target = <&dpi>;
  73 +               __overlay__  {
  74 +                       status = "okay";
  75 +
  76 +                       pinctrl-names = "default";
  77 +                       pinctrl-0 = <&dpi_18bit_gpio0>;
  78 +
  79 +                       port {
  80 +                               dpi_out: endpoint@0 {
  81 +                                       remote-endpoint = <&panel_in>;
  82 +                               };
  83 +                       };
  84 +               };
  85 +       };
  86 +};