arch/arm/boot/dts/overlays/vc4-kms-dpi-hyperpixel2r-overlay.dts

   1 /*
   2  * vc4-kms-dpi-hyperpixel2r-overlay.dts
   3  */
   4
   5 #include <dt-bindings/gpio/gpio.h>
   6 #include <dt-bindings/pinctrl/bcm2835.h>
   7
   8 /dts-v1/;
   9 /plugin/;
  10
  11 / {
  12         compatible = "brcm,bcm2835";
  13
  14         fragment@0 {
  15                 target-path = "/";
  16                 __overlay__ {
  17                         spi {
  18                                 compatible = "spi-gpio";
  19                                 #address-cells = <1>;
  20                                 #size-cells = <0>;
  21                                 pinctrl-0 = <&spi_pins>;
  22                                 pinctrl-names = "default";
  23
  24                                 sck-gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;
  25                                 mosi-gpios = <&gpio 10 GPIO_ACTIVE_HIGH>;
  26                                 cs-gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
  27                                 num-chipselects = <1>;
  28
  29                                 panel: display@0 {
  30                                         compatible = "pimoroni,hyperpixel2round";
  31                                         reg = <0>;
  32                                         /* 100 kHz */
  33                                         spi-max-frequency = <100000>;
  34                                         backlight = <&backlight>;
  35                                         rotation = <0>;
  36
  37                                         port {
  38                                                 panel_in: endpoint {
  39                                                         remote-endpoint = <&dpi_out>;
  40                                                 };
  41                                         };
  42                                 };
  43                         };
  44
  45                         backlight: backlight {
  46                                 compatible = "gpio-backlight";
  47                                 gpios = <&gpio 19 0>;
  48                         };
  49                 };
  50         };
  51
  52         fragment@1 {
  53                 target = <&dpi>;
  54                 __overlay__  {
  55                         status = "okay";
  56
  57                         pinctrl-names = "default";
  58                         pinctrl-0 = <&dpi_18bit_cpadhi_gpio0>;
  59
  60                         port {
  61                                 dpi_out: endpoint {
  62                                         remote-endpoint = <&panel_in>;
  63                                 };
  64                         };
  65                 };
  66         };
  67
  68         fragment@2 {
  69                 target = <&gpio>;
  70                 __overlay__ {
  71                         spi_pins: hyperpixel4_spi_pins {
  72                                 brcm,pins = <27 18 26>;
  73                                 brcm,pull = <BCM2835_PUD_UP BCM2835_PUD_UP BCM2835_PUD_OFF>;
  74                                 brcm,function = <0>;
  75                         };
  76                 };
  77         };
  78
  79         fragment@3 {
  80                 target-path = "/";
  81                 __overlay__ {
  82                         i2c_gpio: i2c@0 {
  83                                 compatible = "i2c-gpio";
  84                                 status = "disabled";
  85
  86                                 gpios = <&gpio 10 GPIO_ACTIVE_HIGH /* sda */
  87                                          &gpio 11 GPIO_ACTIVE_HIGH>; /* scl */
  88                                 i2c-gpio,delay-us = <4>;        /* ~100 kHz */
  89                                 #address-cells = <1>;
  90                                 #size-cells = <0>;
  91
  92                                 polytouch: edt-ft5x06@15 {
  93                                         #address-cells = <1>;
  94                                         #size-cells = <0>;
  95                                         compatible = "edt,edt-ft5406";
  96                                         reg = <0x15>;
  97                                         interrupt-parent = <&gpio>;
  98                                         interrupts = <27 0x02>;
  99                                         touchscreen-size-x = <240>;
 100                                         touchscreen-size-y = <240>;
 101                                 };
 102                         };
 103                 };
 104         };
 105
 106         __overrides__ {
 107                 disable-touch = <0>,"-3";
 108                 touchscreen-inverted-x = <&polytouch>,"touchscreen-inverted-x?";
 109                 touchscreen-inverted-y = <&polytouch>,"touchscreen-inverted-y!";
 110                 touchscreen-swapped-x-y = <&polytouch>,"touchscreen-swapped-x-y!";
 111                 rotate = <&panel>, "rotation:0";
 112         };
 113
 114 };