target/linux/brcm2708/patches-4.9/950-0160-ARM-bcm2835-dt-Add-the-DSI-module-nodes-and-clocks.patch

   1 From fc25cd03ca1c696dacb74d2006c0f176ce800566 Mon Sep 17 00:00:00 2001
   2 From: Eric Anholt <eric@anholt.net>
   3 Date: Tue, 13 Dec 2016 15:15:10 -0800
   4 Subject: [PATCH] ARM: bcm2835: dt: Add the DSI module nodes and clocks.
   5
   6 The modules stay disabled by default, and if you want to enable DSI
   7 you'll need an overlay that connects a panel to it.
   8
   9 Signed-off-by: Eric Anholt <eric@anholt.net>
  10 ---
  11  arch/arm/boot/dts/bcm2835-rpi.dtsi |  8 +++++++
  12  arch/arm/boot/dts/bcm283x.dtsi     | 49 +++++++++++++++++++++++++++++++++++---
  13  2 files changed, 54 insertions(+), 3 deletions(-)
  14
  15 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
  16 +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
  17 @@ -84,3 +84,11 @@
  18         power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
  19         status = "okay";
  20  };
  21 +
  22 +&dsi0 {
  23 +       power-domains = <&power RPI_POWER_DOMAIN_DSI0>;
  24 +};
  25 +
  26 +&dsi1 {
  27 +       power-domains = <&power RPI_POWER_DOMAIN_DSI1>;
  28 +};
  29 --- a/arch/arm/boot/dts/bcm283x.dtsi
  30 +++ b/arch/arm/boot/dts/bcm283x.dtsi
  31 @@ -93,10 +93,13 @@
  32                         #clock-cells = <1>;
  33                         reg = <0x7e101000 0x2000>;
  34
  35 -                       /* CPRMAN derives everything from the platform's
  36 -                        * oscillator.
  37 +                       /* CPRMAN derives almost everything from the
  38 +                        * platform's oscillator.  However, the DSI
  39 +                        * pixel clocks come from the DSI analog PHY.
  40                          */
  41 -                       clocks = <&clk_osc>;
  42 +                       clocks = <&clk_osc>,
  43 +                               <&dsi0 0>, <&dsi0 1>, <&dsi0 2>,
  44 +                               <&dsi1 0>, <&dsi1 1>, <&dsi1 2>;
  45                 };
  46
  47                 rng@7e104000 {
  48 @@ -188,6 +191,26 @@
  49                         interrupts = <2 14>; /* pwa1 */
  50                 };
  51
  52 +               dsi0: dsi@7e209000 {
  53 +                       compatible = "brcm,bcm2835-dsi0";
  54 +                       reg = <0x7e209000 0x78>;
  55 +                       interrupts = <2 4>;
  56 +                       #address-cells = <1>;
  57 +                       #size-cells = <0>;
  58 +                       #clock-cells = <1>;
  59 +
  60 +                       clocks = <&clocks BCM2835_PLLA_DSI0>,
  61 +                                <&clocks BCM2835_CLOCK_DSI0E>,
  62 +                                <&clocks BCM2835_CLOCK_DSI0P>;
  63 +                       clock-names = "phy", "escape", "pixel";
  64 +
  65 +                       clock-output-names = "dsi0_byte",
  66 +                                            "dsi0_ddr2",
  67 +                                            "dsi0_ddr";
  68 +
  69 +                       status = "disabled";
  70 +               };
  71 +
  72                 aux: aux@0x7e215000 {
  73                         compatible = "brcm,bcm2835-aux";
  74                         #clock-cells = <1>;
  75 @@ -247,6 +270,26 @@
  76                         interrupts = <2 1>;
  77                 };
  78
  79 +               dsi1: dsi@7e700000 {
  80 +                       compatible = "brcm,bcm2835-dsi1";
  81 +                       reg = <0x7e700000 0x8c>;
  82 +                       interrupts = <2 12>;
  83 +                       #address-cells = <1>;
  84 +                       #size-cells = <0>;
  85 +                       #clock-cells = <1>;
  86 +
  87 +                       clocks = <&clocks BCM2835_PLLD_DSI1>,
  88 +                                <&clocks BCM2835_CLOCK_DSI1E>,
  89 +                                <&clocks BCM2835_CLOCK_DSI1P>;
  90 +                       clock-names = "phy", "escape", "pixel";
  91 +
  92 +                       clock-output-names = "dsi1_byte",
  93 +                                            "dsi1_ddr2",
  94 +                                            "dsi1_ddr";
  95 +
  96 +                       status = "disabled";
  97 +               };
  98 +
  99                 i2c1: i2c@7e804000 {
 100                         compatible = "brcm,bcm2835-i2c";
 101                         reg = <0x7e804000 0x1000>;