target/linux/brcm2708/patches-4.9/950-0161-BCM270X-Enable-the-DSI-panel-node-in-the-VC4-overlay.patch

   1 From 2c62d430b6b3c20867e55465e0557a1543088f09 Mon Sep 17 00:00:00 2001
   2 From: Eric Anholt <eric@anholt.net>
   3 Date: Thu, 2 Jun 2016 15:09:35 -0700
   4 Subject: [PATCH] BCM270X: Enable the DSI panel node in the VC4 overlay.
   5
   6 Signed-off-by: Eric Anholt <eric@anholt.net>
   7 ---
   8  arch/arm/boot/dts/bcm2708-rpi-b-plus.dts           |  5 ++++
   9  arch/arm/boot/dts/bcm2708-rpi-b.dts                |  5 ++++
  10  arch/arm/boot/dts/bcm2709-rpi-2-b.dts              |  5 ++++
  11  arch/arm/boot/dts/bcm270x.dtsi                     | 27 ++++++++++++++++++++++
  12  arch/arm/boot/dts/bcm2710-rpi-3-b.dts              |  5 ++++
  13  arch/arm/boot/dts/bcm2710.dtsi                     |  1 -
  14  arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts | 22 ++++++++++++++++++
  15  7 files changed, 69 insertions(+), 1 deletion(-)
  16
  17 --- a/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
  18 +++ b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
  19 @@ -154,3 +154,8 @@
  20                 sd_debug     = <&sdhost>,"brcm,debug";
  21         };
  22  };
  23 +
  24 +&i2c_dsi {
  25 +       gpios = <&gpio 28 0
  26 +                &gpio 29 0>;
  27 +};
  28 --- a/arch/arm/boot/dts/bcm2708-rpi-b.dts
  29 +++ b/arch/arm/boot/dts/bcm2708-rpi-b.dts
  30 @@ -144,3 +144,8 @@
  31                 sd_debug     = <&sdhost>,"brcm,debug";
  32         };
  33  };
  34 +
  35 +&i2c_dsi {
  36 +       gpios = <&gpio 2 0
  37 +                &gpio 3 0>;
  38 +};
  39 --- a/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
  40 +++ b/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
  41 @@ -154,3 +154,8 @@
  42                 sd_debug     = <&sdhost>,"brcm,debug";
  43         };
  44  };
  45 +
  46 +&i2c_dsi {
  47 +       gpios = <&gpio 28 0
  48 +                &gpio 29 0>;
  49 +};
  50 --- a/arch/arm/boot/dts/bcm270x.dtsi
  51 +++ b/arch/arm/boot/dts/bcm270x.dtsi
  52 @@ -137,6 +137,29 @@
  53                         /* Add alias */
  54                         status = "disabled";
  55                 };
  56 +
  57 +               i2c_dsi: i2cdsi {
  58 +                       /* We have to use i2c-gpio because the
  59 +                        * firmware is also polling another device
  60 +                        * using the only hardware I2C bus that could
  61 +                        * connect to these pins.
  62 +                        */
  63 +                       compatible = "i2c-gpio";
  64 +                       #address-cells = <1>;
  65 +                       #size-cells = <0>;
  66 +                       status = "disabled";
  67 +
  68 +                       pitouchscreen_bridge: bridge@45 {
  69 +                               compatible = "raspberrypi,touchscreen-bridge-i2c";
  70 +                               reg = <0x45>;
  71 +                       };
  72 +
  73 +                       pitouchscreen_touch: bridge@38 {
  74 +                               compatible = "raspberrypi,touchscreen-ts-i2c";
  75 +                               reg = <0x38>;
  76 +                       };
  77 +               };
  78 +
  79         };
  80
  81         vdd_5v0_reg: fixedregulator_5v0 {
  82 @@ -155,3 +178,7 @@
  83                 regulator-always-on;
  84         };
  85  };
  86 +
  87 +&dsi1 {
  88 +       power-domains = <&power RPI_POWER_DOMAIN_DSI1>;
  89 +};
  90 --- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
  91 +++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
  92 @@ -201,3 +201,8 @@
  93                 sd_debug     = <&sdhost>,"brcm,debug";
  94         };
  95  };
  96 +
  97 +&i2c_dsi {
  98 +       gpios = <&gpio 44 0
  99 +                &gpio 45 0>;
 100 +};
 101 --- a/arch/arm/boot/dts/bcm2710.dtsi
 102 +++ b/arch/arm/boot/dts/bcm2710.dtsi
 103 @@ -145,4 +145,3 @@
 104         interrupt-parent = <&local_intc>;
 105         interrupts = <8>;
 106  };
 107 -
 108 --- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
 109 +++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
 110 @@ -126,6 +126,28 @@
 111                 };
 112         };
 113
 114 +       fragment@16 {
 115 +               target = <&dsi1>;
 116 +               __overlay__  {
 117 +                       #address-cells = <1>;
 118 +                       #size-cells = <0>;
 119 +                       status = "okay";
 120 +
 121 +                       pitouchscreen: panel@0 {
 122 +                               compatible = "raspberrypi,touchscreen";
 123 +                               reg = <0>;
 124 +                               raspberrypi,touchscreen-bridge = <&pitouchscreen_bridge>;
 125 +                       };
 126 +               };
 127 +       };
 128 +
 129 +       fragment@17 {
 130 +               target = <&i2c_dsi>;
 131 +               __overlay__  {
 132 +                       status = "okay";
 133 +               };
 134 +       };
 135 +
 136         __overrides__ {
 137                 cma-256 = <0>,"+0-1-2-3-4";
 138                 cma-192 = <0>,"-0+1-2-3-4";