target/linux/bcm27xx/patches-5.15/950-0705-dtoverlays-add-rgb565-padhi-output-to-vc4-kms-dpi-ge.patch

   1 From c4d228323c9c302b355cfd27cd59809110d7c74e Mon Sep 17 00:00:00 2001
   2 From: Grigori Goronzy <greg@kinoho.net>
   3 Date: Wed, 9 Feb 2022 22:23:11 +0100
   4 Subject: [PATCH] dtoverlays: add rgb565-padhi output to
   5  vc4-kms-dpi-generic
   6
   7 This mode is used by some DPI based display adapters, such as the
   8 'VGA565' and 'VGA Zero' low-cost VGA adapters for the Raspberry Pi.
   9
  10 Signed-off-by: Grigori Goronzy <greg@kinoho.net>
  11 ---
  12  arch/arm/boot/dts/overlays/README                          | 2 ++
  13  arch/arm/boot/dts/overlays/vc4-kms-dpi-generic-overlay.dts | 2 ++
  14  2 files changed, 4 insertions(+)
  15
  16 --- a/arch/arm/boot/dts/overlays/README
  17 +++ b/arch/arm/boot/dts/overlays/README
  18 @@ -3649,6 +3649,8 @@ Params: clock-frequency         Display
  19          width-mm                Define the screen width in mm
  20          height-mm               Define the screen height in mm
  21          rgb565                  Change to RGB565 output on GPIOs 0-19
  22 +        rgb565-padhi            Change to RGB565 output on GPIOs 0-8, 12-17, and
  23 +                                20-24
  24          rgb666-padhi            Change to RGB666 output on GPIOs 0-9, 12-17, and
  25                                  20-25
  26          rgb888                  Change to RGB888 output on GPIOs 0-27
  27 --- a/arch/arm/boot/dts/overlays/vc4-kms-dpi-generic-overlay.dts
  28 +++ b/arch/arm/boot/dts/overlays/vc4-kms-dpi-generic-overlay.dts
  29 @@ -65,6 +65,8 @@
  30
  31                 rgb565 = <&panel_generic>, "bus-format:0=0x1017",
  32                         <&dpi_node_generic>, "pinctrl-0:0=",<&dpi_16bit_gpio0>;
  33 +               rgb565-padhi = <&panel_generic>, "bus-format:0=0x1020",
  34 +                       <&dpi_node_generic>, "pinctrl-0:0=",<&dpi_16bit_cpadhi_gpio0>;
  35                 rgb666-padhi = <&panel_generic>, "bus-format:0=0x1015",
  36                         <&dpi_node_generic>, "pinctrl-0:0=",<&dpi_18bit_cpadhi_gpio0>;
  37                 rgb888 = <&panel_generic>, "bus-format:0=0x100a",