target/linux/brcm2708/patches-4.4/0446-BCM270X-Add-the-DSI-and-DSI-panel-nodes-to-the-VC4-o.patch

   1 From 64871d96e1d387437fa52d8398f2212722890bcd 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: Add the DSI and DSI panel nodes to the VC4 overlay.
   5
   6 Signed-off-by: Eric Anholt <eric@anholt.net>
   7 ---
   8  arch/arm/boot/dts/bcm2708_common.dtsi              | 24 ++++++++++++++++++++--
   9  arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts | 16 +++++++++++++++
  10  2 files changed, 38 insertions(+), 2 deletions(-)
  11
  12 --- a/arch/arm/boot/dts/bcm2708_common.dtsi
  13 +++ b/arch/arm/boot/dts/bcm2708_common.dtsi
  14 @@ -2,6 +2,7 @@
  15  #include <dt-bindings/clock/bcm2835-aux.h>
  16  #include "dt-bindings/power/raspberrypi-power.h"
  17  #include "dt-bindings/gpio/gpio.h"
  18 +#include "dt-bindings/pinctrl/bcm2835.h"
  19  #include "skeleton.dtsi"
  20
  21  / {
  22 @@ -110,9 +111,10 @@
  23                         reg = <0x7e101000 0x2000>;
  24
  25                         /* CPRMAN derives everything from the platform's
  26 -                        * oscillator.
  27 +                        * oscillator except for a few clocks that may
  28 +                        * derive from something else derived from CPRMAN..
  29                          */
  30 -                       clocks = <&clk_osc>;
  31 +                       clocks = <&clk_osc>, <&dsi1 0>, <&dsi1 1>, <&dsi1 2>;
  32                         status = "disabled";
  33                 };
  34
  35 @@ -282,6 +284,24 @@
  36                         status = "disabled";
  37                 };
  38
  39 +               dsi1: dsi@7e700000 {
  40 +                       #address-cells = <1>;
  41 +                       #size-cells = <0>;
  42 +                       #clock-cells = <1>;
  43 +
  44 +                       compatible = "brcm,bcm2835-dsi1";
  45 +                       reg = <0x7e700000 0x8c>;
  46 +                       interrupts = <2 12>;
  47 +
  48 +                       clocks = <&cprman BCM2835_PLLD_DSI1>,
  49 +                                <&cprman BCM2835_CLOCK_DSI1E>,
  50 +                                <&cprman BCM2835_CLOCK_DSI1P>;
  51 +                       clock-names = "phy", "escape", "pixel";
  52 +                       clock-output-names = "dsi1_byte", "dsi1_ddr2", "dsi1_ddr";
  53 +                       status = "disabled";
  54 +                       power-domains = <&power RPI_POWER_DOMAIN_DSI1>;
  55 +               };
  56 +
  57                 i2c1: i2c@7e804000 {
  58                         compatible = "brcm,bcm2708-i2c";
  59                         reg = <0x7e804000 0x1000>;
  60 --- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
  61 +++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
  62 @@ -126,6 +126,22 @@
  63                 };
  64         };
  65
  66 +       fragment@16 {
  67 +               target = <&dsi1>;
  68 +               __overlay__  {
  69 +                       #address-cells = <1>;
  70 +                       #size-cells = <0>;
  71 +                       status = "okay";
  72 +
  73 +                       brcm,panel = <&pitouchscreen>;
  74 +
  75 +                       pitouchscreen: panel {
  76 +                               compatible = "raspberrypi,touchscreen";
  77 +                               reg = <0>;
  78 +                       };
  79 +               };
  80 +       };
  81 +
  82         __overrides__ {
  83                 cma-256 = <0>,"+0-1-2-3-4";
  84                 cma-192 = <0>,"-0+1-2-3-4";