target/linux/bcm27xx/patches-5.4/950-0968-overlays-Add-parameters-to-adafruit18-sainsmart18.patch

   1 From 9249fb1ac6b8bfcc0056fe2a871d4965b774c667 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.com>
   3 Date: Mon, 14 Sep 2020 15:48:16 +0100
   4 Subject: [PATCH] overlays: Add parameters to adafruit18, sainsmart18
   5
   6 Also fix polarity of the reset GPIO.
   7
   8 Signed-off-by: Phil Elwell <phil@raspberrypi.com>
   9 ---
  10  arch/arm/boot/dts/overlays/README                  | 13 +++++++++++++
  11  arch/arm/boot/dts/overlays/adafruit18-overlay.dts  | 11 +++++++++--
  12  arch/arm/boot/dts/overlays/sainsmart18-overlay.dts | 10 ++++++++--
  13  3 files changed, 30 insertions(+), 4 deletions(-)
  14
  15 --- a/arch/arm/boot/dts/overlays/README
  16 +++ b/arch/arm/boot/dts/overlays/README
  17 @@ -267,6 +267,13 @@ Info:   Overlay for the SPI-connected Ad
  18  Load:   dtoverlay=adafruit18,<param>=<val>
  19  Params: green                   Use the adafruit18_green variant.
  20          rotate                  Display rotation {0,90,180,270}
  21 +        speed                   SPI bus speed in Hz (default 4000000)
  22 +        fps                     Display frame rate in Hz
  23 +        bgr                     Enable BGR mode (default on)
  24 +        debug                   Debug output level {0-7}
  25 +        dc_pin                  GPIO pin for D/C (default 24)
  26 +        reset_pin               GPIO pin for RESET (default 25)
  27 +        led_pin                 GPIO used to control backlight (default 18)
  28
  29
  30  Name:   adau1977-adc
  31 @@ -2271,6 +2278,12 @@ Info:   Overlay for the SPI-connected Sa
  32          ST7735R chip).
  33  Load:   dtoverlay=sainsmart18,<param>=<val>
  34  Params: rotate                  Display rotation {0,90,180,270}
  35 +        speed                   SPI bus speed in Hz (default 4000000)
  36 +        fps                     Display frame rate in Hz
  37 +        bgr                     Enable BGR mode (default on)
  38 +        debug                   Debug output level {0-7}
  39 +        dc_pin                  GPIO pin for D/C (default 24)
  40 +        reset_pin               GPIO pin for RESET (default 25)
  41
  42
  43  Name:   sc16is750-i2c
  44 --- a/arch/arm/boot/dts/overlays/adafruit18-overlay.dts
  45 +++ b/arch/arm/boot/dts/overlays/adafruit18-overlay.dts
  46 @@ -33,7 +33,7 @@
  47                                 fps = <50>;
  48                                 height = <160>;
  49                                 width = <128>;
  50 -                               reset-gpios = <&gpio 25 0>;
  51 +                               reset-gpios = <&gpio 25 1>;
  52                                 dc-gpios = <&gpio 24 0>;
  53                                 led-gpios = <&gpio 18 0>;
  54                                 bgr;
  55 @@ -44,6 +44,13 @@
  56
  57         __overrides__ {
  58                 green = <&af18>, "compatible=fbtft,adafruit18_green";
  59 -               rotate = <&af18>, "rotate:0";
  60 +               speed     = <&af18>,"spi-max-frequency:0";
  61 +               rotate    = <&af18>,"rotate:0";
  62 +               fps       = <&af18>,"fps:0";
  63 +               bgr       = <&af18>,"bgr?";
  64 +               debug     = <&af18>,"debug:0";
  65 +               dc_pin    = <&af18>,"dc-gpios:4";
  66 +               reset_pin = <&af18>,"reset-gpios:4";
  67 +               led_pin   = <&af18>,"led-gpios:4";
  68         };
  69  };
  70 --- a/arch/arm/boot/dts/overlays/sainsmart18-overlay.dts
  71 +++ b/arch/arm/boot/dts/overlays/sainsmart18-overlay.dts
  72 @@ -33,7 +33,7 @@
  73                                 fps = <50>;
  74                                 height = <160>;
  75                                 width = <128>;
  76 -                               reset-gpios = <&gpio 25 0>;
  77 +                               reset-gpios = <&gpio 25 1>;
  78                                 dc-gpios = <&gpio 24 0>;
  79                                 bgr;
  80                                 debug = <0>;
  81 @@ -42,6 +42,12 @@
  82         };
  83
  84         __overrides__ {
  85 -               rotate = <&ss18>, "rotate:0";
  86 +               speed     = <&ss18>,"spi-max-frequency:0";
  87 +               rotate    = <&ss18>,"rotate:0";
  88 +               fps       = <&ss18>,"fps:0";
  89 +               bgr       = <&ss18>,"bgr?";
  90 +               debug     = <&ss18>,"debug:0";
  91 +               dc_pin    = <&ss18>,"dc-gpios:4";
  92 +               reset_pin = <&ss18>,"reset-gpios:4";
  93         };
  94  };