target/linux/bcm27xx/patches-5.15/950-0639-Add-panel-overlay-for-CutiePi.patch

   1 From dabd32c62cb2faa42feacafc6edbe8ab4b3395cb Mon Sep 17 00:00:00 2001
   2 From: Penk Chen <penk@cutiepi.io>
   3 Date: Mon, 20 Dec 2021 03:46:26 +0900
   4 Subject: [PATCH] Add panel overlay for CutiePi
   5
   6 Signed-off-by: Penk Chen <penk@cutiepi.io>
   7 ---
   8  arch/arm/boot/dts/overlays/Makefile           |   1 +
   9  arch/arm/boot/dts/overlays/README             |   6 +
  10  .../dts/overlays/cutiepi-panel-overlay.dts    | 117 ++++++++++++++++++
  11  arch/arm/boot/dts/overlays/overlay_map.dts    |   4 +
  12  4 files changed, 128 insertions(+)
  13  create mode 100644 arch/arm/boot/dts/overlays/cutiepi-panel-overlay.dts
  14
  15 --- a/arch/arm/boot/dts/overlays/Makefile
  16 +++ b/arch/arm/boot/dts/overlays/Makefile
  17 @@ -34,6 +34,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
  18         cap1106.dtbo \
  19         chipdip-dac.dtbo \
  20         cma.dtbo \
  21 +       cutiepi-panel.dtbo \
  22         dht11.dtbo \
  23         dionaudio-loco.dtbo \
  24         dionaudio-loco-v2.dtbo \
  25 --- a/arch/arm/boot/dts/overlays/README
  26 +++ b/arch/arm/boot/dts/overlays/README
  27 @@ -679,6 +679,12 @@ Params: cma-512                 CMA is 5
  28          cma-default             Use upstream's default value
  29
  30
  31 +Name:   cutiepi-panel
  32 +Info:   8" TFT LCD display and touch panel used by cutiepi.io
  33 +Load:   dtoverlay=cutiepi-panel
  34 +Params: <None>
  35 +
  36 +
  37  Name:   dht11
  38  Info:   Overlay for the DHT11/DHT21/DHT22 humidity/temperature sensors
  39          Also sometimes found with the part number(s) AM230x.
  40 --- /dev/null
  41 +++ b/arch/arm/boot/dts/overlays/cutiepi-panel-overlay.dts
  42 @@ -0,0 +1,117 @@
  43 +/dts-v1/;
  44 +/plugin/;
  45 +
  46 +/ {
  47 +    compatible = "brcm,bcm2711";
  48 +
  49 +    fragment@0 {
  50 +        target=<&dsi1>;
  51 +
  52 +        __overlay__ {
  53 +            status = "okay";
  54 +
  55 +            #address-cells = <1>;
  56 +            #size-cells = <0>;
  57 +
  58 +            port {
  59 +                dsi1_out_port: endpoint {
  60 +                    remote-endpoint = <&panel_dsi_in1>;
  61 +                };
  62 +            };
  63 +
  64 +            display1: panel@0 {
  65 +                compatible = "nwe,nwe080";
  66 +                reg=<0>;
  67 +                backlight = <&rpi_backlight>;
  68 +                reset-gpios = <&gpio 20 0>;
  69 +                port {
  70 +                    panel_dsi_in1: endpoint {
  71 +                        remote-endpoint = <&dsi1_out_port>;
  72 +                    };
  73 +                };
  74 +            };
  75 +        };
  76 +    };
  77 +
  78 +    fragment@1 {
  79 +        target = <&gpio>;
  80 +        __overlay__ {
  81 +            pwm_pins: pwm_pins {
  82 +                brcm,pins = <12>;
  83 +                brcm,function = <4>; // ALT0
  84 +            };
  85 +        };
  86 +    };
  87 +
  88 +    fragment@2 {
  89 +        target = <&pwm>;
  90 +        frag1: __overlay__ {
  91 +            pinctrl-names = "default";
  92 +            pinctrl-0 = <&pwm_pins>;
  93 +            assigned-clock-rates = <1000000>;
  94 +            status = "okay";
  95 +        };
  96 +    };
  97 +
  98 +    fragment@3 {
  99 +        target-path = "/";
 100 +        __overlay__ {
 101 +            rpi_backlight: rpi_backlight {
 102 +                compatible = "pwm-backlight";
 103 +                brightness-levels = <0 6 8 12 16 24 32 40 48 64 96 128 160 192 224 255>;
 104 +                default-brightness-level = <6>;
 105 +                pwms = <&pwm 0 200000>;
 106 +                power-supply = <&vdd_3v3_reg>;
 107 +                status = "okay";
 108 +            };
 109 +        };
 110 +    };
 111 +
 112 +    fragment@4 {
 113 +        target = <&i2c6>;
 114 +        frag0: __overlay__ {
 115 +            status = "okay";
 116 +            pinctrl-names = "default";
 117 +            pinctrl-0 = <&i2c6_pins>;
 118 +            clock-frequency = <100000>;
 119 +        };
 120 +    };
 121 +
 122 +    fragment@5 {
 123 +        target = <&i2c6_pins>;
 124 +        __overlay__ {
 125 +            brcm,pins = <22 23>;
 126 +        };
 127 +    };
 128 +
 129 +    fragment@6 {
 130 +            target = <&gpio>;
 131 +            __overlay__ {
 132 +                goodix_pins: goodix_pins {
 133 +                    brcm,pins = <21 26>; // interrupt and reset
 134 +                    brcm,function = <0 0>; // in
 135 +                    brcm,pull = <2 2>; // pull-up
 136 +                };
 137 +            };
 138 +    };
 139 +
 140 +    fragment@7 {
 141 +        target = <&i2c6>;
 142 +        __overlay__ {
 143 +            #address-cells = <1>;
 144 +            #size-cells = <0>;
 145 +            status = "okay";
 146 +
 147 +            gt9xx: gt9xx@5d {
 148 +                compatible = "goodix,gt9271";
 149 +                reg = <0x5D>;
 150 +                pinctrl-names = "default";
 151 +                pinctrl-0 = <&goodix_pins>;
 152 +                interrupt-parent = <&gpio>;
 153 +                interrupts = <21 2>; // high-to-low edge triggered
 154 +                irq-gpios = <&gpio 21 0>;
 155 +                reset-gpios = <&gpio 26 0>;
 156 +            };
 157 +        };
 158 +    };
 159 +};
 160 --- a/arch/arm/boot/dts/overlays/overlay_map.dts
 161 +++ b/arch/arm/boot/dts/overlays/overlay_map.dts
 162 @@ -5,6 +5,10 @@
 163                 deprecated = "use i2c-sensor,bmp085";
 164         };
 165
 166 +       cutiepi-panel {
 167 +               bcm2711;
 168 +       };
 169 +
 170         highperi {
 171                 bcm2711;
 172         };