target/linux/bcm27xx/patches-5.10/950-0651-overlays-Add-dpi18cpadhi-vc4-kms-dpi-at056tn53v1.patch

   1 From 5f7c6159c8bfa019b3d8d0fd7af930187f29dbad Mon Sep 17 00:00:00 2001
   2 From: Joerg Quinten <aBUGSworstnightmare@gmail.com>
   3 Date: Mon, 21 Jun 2021 16:10:32 +0200
   4 Subject: [PATCH] overlays: Add dpi18cpadhi, vc4-kms-dpi-at056tn53v1
   5
   6 Signed-off-by: Joerg Quinten <aBUGSworstnightmare@gmail.com>
   7 ---
   8  arch/arm/boot/dts/bcm270x.dtsi                | 13 ++++++
   9  arch/arm/boot/dts/overlays/Makefile           |  2 +
  10  arch/arm/boot/dts/overlays/README             | 15 +++++++
  11  .../boot/dts/overlays/dpi18cpadhi-overlay.dts | 26 +++++++++++
  12  .../vc4-kms-dpi-at056tn53v1-overlay.dts       | 44 +++++++++++++++++++
  13  5 files changed, 100 insertions(+)
  14  create mode 100644 arch/arm/boot/dts/overlays/dpi18cpadhi-overlay.dts
  15  create mode 100644 arch/arm/boot/dts/overlays/vc4-kms-dpi-at056tn53v1-overlay.dts
  16
  17 --- a/arch/arm/boot/dts/bcm270x.dtsi
  18 +++ b/arch/arm/boot/dts/bcm270x.dtsi
  19 @@ -164,6 +164,19 @@
  20  &gpio {
  21         interrupts = <2 17>, <2 18>;
  22
  23 +       dpi_18bit_cpadhi_gpio0: dpi_18bit_cpadhi_gpio0 {
  24 +               brcm,pins = <0 1 2 3 4 5 6 7 8 9
  25 +                            12 13 14 15 16 17
  26 +                            20 21 22 23 24 25>;
  27 +               brcm,function = <BCM2835_FSEL_ALT2>;
  28 +               brcm,pull = <0>; /* no pull */
  29 +       };
  30 +       dpi_18bit_cpadhi_gpio2: dpi_18bit_cpadhi_gpio2 {
  31 +               brcm,pins = <2 3 4 5 6 7 8 9
  32 +                            12 13 14 15 16 17
  33 +                            20 21 22 23 24 25>;
  34 +               brcm,function = <BCM2835_FSEL_ALT2>;
  35 +       };
  36         dpi_18bit_gpio0: dpi_18bit_gpio0 {
  37                 brcm,pins = <0 1 2 3 4 5 6 7 8 9 10 11
  38                              12 13 14 15 16 17 18 19
  39 --- a/arch/arm/boot/dts/overlays/Makefile
  40 +++ b/arch/arm/boot/dts/overlays/Makefile
  41 @@ -37,6 +37,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
  42         disable-bt.dtbo \
  43         disable-wifi.dtbo \
  44         dpi18.dtbo \
  45 +       dpi18cpadhi.dtbo \
  46         dpi24.dtbo \
  47         draws.dtbo \
  48         dwc-otg.dtbo \
  49 @@ -215,6 +216,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
  50         upstream.dtbo \
  51         upstream-pi4.dtbo \
  52         vc4-fkms-v3d.dtbo \
  53 +       vc4-kms-dpi-at056tn53v1.dtbo \
  54         vc4-kms-dsi-7inch.dtbo \
  55         vc4-kms-dsi-lt070me05000.dtbo \
  56         vc4-kms-dsi-lt070me05000-v2.dtbo \
  57 --- a/arch/arm/boot/dts/overlays/README
  58 +++ b/arch/arm/boot/dts/overlays/README
  59 @@ -695,6 +695,14 @@ Load:   dtoverlay=dpi18
  60  Params: <None>
  61
  62
  63 +Name:   dpi18cpadhi
  64 +Info:   Overlay for a generic 18-bit DPI display (in 'mode 6' connection scheme)
  65 +        This uses GPIOs 0-9,12-17,20-25 (so no I2C, uart etc.), and activates
  66 +        the output 3-3 seconds after the kernel has started.
  67 +Load:   dtoverlay=dpi18cpadhi
  68 +Params: <None>
  69 +
  70 +
  71  Name:   dpi24
  72  Info:   Overlay for a generic 24-bit DPI display
  73          This uses GPIOs 0-27 (so no I2C, uart etc.), and activates the output
  74 @@ -3219,6 +3227,13 @@ Params: cma-512                 CMA is 5
  75          cma-default             Use upstream's default value
  76
  77
  78 +Name:   vc4-kms-dpi-at056tn53v1
  79 +Info:   Enable an Innolux 5.6in VGA TFT connected to DPI interface under KMS.
  80 +        Requires vc4-kms-v3d to be loaded.
  81 +Load:   dtoverlay=vc4-kms-dpi-at056tn53v1
  82 +Params: <None>
  83 +
  84 +
  85  Name:   vc4-kms-dsi-7inch
  86  Info:   Enable the Raspberry Pi DSI 7" screen.
  87          Use edt-ft5406 for the touchscreen element.
  88 --- /dev/null
  89 +++ b/arch/arm/boot/dts/overlays/dpi18cpadhi-overlay.dts
  90 @@ -0,0 +1,26 @@
  91 +/*
  92 + * dpi18cpadhi-overlay.dts
  93 + */
  94 +
  95 +/dts-v1/;
  96 +/plugin/;
  97 +
  98 +/{
  99 +       compatible = "brcm,bcm2835";
 100 +
 101 +       fragment@0 {
 102 +               target = <&fb>;
 103 +               __overlay__ {
 104 +                       pinctrl-names = "default";
 105 +                       pinctrl-0 = <&dpi_18bit_cpadhi_gpio0>;
 106 +               };
 107 +       };
 108 +
 109 +       fragment@1 {
 110 +               target = <&vc4>;
 111 +               __overlay__ {
 112 +                       pinctrl-names = "default";
 113 +                       pinctrl-0 = <&dpi_18bit_cpadhi_gpio0>;
 114 +               };
 115 +       };
 116 +};
 117 --- /dev/null
 118 +++ b/arch/arm/boot/dts/overlays/vc4-kms-dpi-at056tn53v1-overlay.dts
 119 @@ -0,0 +1,44 @@
 120 +/*
 121 + * vc4-kms-dpi-at056tn53v1-overlay.dts
 122 + */
 123 +
 124 +/dts-v1/;
 125 +/plugin/;
 126 +
 127 +#include <dt-bindings/gpio/gpio.h>
 128 +#include <dt-bindings/pinctrl/bcm2835.h>
 129 +
 130 +/ {
 131 +       compatible = "brcm,bcm2835";
 132 +
 133 +       fragment@0 {
 134 +               target-path = "/";
 135 +               __overlay__ {
 136 +                       panel: panel {
 137 +                               compatible = "innolux,at056tn53v1", "simple-panel";
 138 +
 139 +                               port {
 140 +                                       panel_in: endpoint {
 141 +                                               remote-endpoint = <&dpi_out>;
 142 +                                       };
 143 +                               };
 144 +                       };
 145 +               };
 146 +       };
 147 +
 148 +       fragment@1 {
 149 +               target = <&dpi>;
 150 +               __overlay__  {
 151 +                       status = "okay";
 152 +
 153 +                       pinctrl-names = "default";
 154 +                       pinctrl-0 = <&dpi_18bit_cpadhi_gpio0>;
 155 +
 156 +                       port {
 157 +                               dpi_out: endpoint {
 158 +                                       remote-endpoint = <&panel_in>;
 159 +                               };
 160 +                       };
 161 +               };
 162 +       };
 163 +};