forked from Qortal/Brooklyn
135 lines
2.8 KiB
Plaintext
135 lines
2.8 KiB
Plaintext
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/*
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* Device Tree overlay for Media Center HAT by Pi Supply
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*
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*/
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/dts-v1/;
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/plugin/;
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/ {
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compatible = "brcm,bcm2835";
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fragment@0 {
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target = <&spi0>;
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__overlay__ {
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status = "okay";
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spidev@0{
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status = "disabled";
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};
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spidev@1{
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status = "disabled";
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};
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};
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};
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fragment@1 {
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target = <&gpio>;
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__overlay__ {
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rpi_display_pins: rpi_display_pins {
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brcm,pins = <12 23 24 25>;
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brcm,function = <1 1 1 0>; /* out out out in */
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brcm,pull = <0 0 0 2>; /* - - - up */
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};
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};
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};
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fragment@2 {
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target = <&spi0>;
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__overlay__ {
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/* needed to avoid dtc warning */
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#address-cells = <1>;
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#size-cells = <0>;
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rpidisplay: rpi-display@0{
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compatible = "ilitek,ili9341";
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reg = <0>;
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pinctrl-names = "default";
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pinctrl-0 = <&rpi_display_pins>;
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spi-max-frequency = <32000000>;
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rotate = <90>;
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bgr;
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fps = <30>;
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buswidth = <8>;
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reset-gpios = <&gpio 23 1>;
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dc-gpios = <&gpio 24 0>;
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led-gpios = <&gpio 12 0>;
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debug = <0>;
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};
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rpidisplay_ts: rpi-display-ts@1 {
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compatible = "ti,ads7846";
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reg = <1>;
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spi-max-frequency = <2000000>;
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interrupts = <25 2>; /* high-to-low edge triggered */
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interrupt-parent = <&gpio>;
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pendown-gpio = <&gpio 25 1>;
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ti,x-plate-ohms = /bits/ 16 <60>;
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ti,pressure-max = /bits/ 16 <255>;
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};
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};
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};
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fragment@3 {
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target-path = "/";
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__overlay__ {
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lirc_rpi: lirc_rpi {
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compatible = "rpi,lirc-rpi";
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pinctrl-names = "default";
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pinctrl-0 = <&lirc_pins>;
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status = "okay";
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// Override autodetection of IR receiver circuit
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// (0 = active high, 1 = active low, -1 = no override )
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rpi,sense = <0xffffffff>;
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// Software carrier
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// (0 = off, 1 = on)
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rpi,softcarrier = <1>;
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// Invert output
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// (0 = off, 1 = on)
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rpi,invert = <0>;
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// Enable debugging messages
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// (0 = off, 1 = on)
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rpi,debug = <0>;
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};
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};
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};
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fragment@4 {
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target = <&gpio>;
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__overlay__ {
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lirc_pins: lirc_pins {
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brcm,pins = <6 5>;
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brcm,function = <1 0>; // out in
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brcm,pull = <0 1>; // off down
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};
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};
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};
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__overrides__ {
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speed = <&rpidisplay>,"spi-max-frequency:0";
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rotate = <&rpidisplay>,"rotate:0";
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fps = <&rpidisplay>,"fps:0";
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debug = <&rpidisplay>,"debug:0",
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<&lirc_rpi>,"rpi,debug:0";
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xohms = <&rpidisplay_ts>,"ti,x-plate-ohms;0";
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swapxy = <&rpidisplay_ts>,"ti,swap-xy?";
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backlight = <&rpidisplay>,"led-gpios:4",
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<&rpi_display_pins>,"brcm,pins:0";
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gpio_out_pin = <&lirc_pins>,"brcm,pins:0";
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gpio_in_pin = <&lirc_pins>,"brcm,pins:4";
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gpio_in_pull = <&lirc_pins>,"brcm,pull:4";
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sense = <&lirc_rpi>,"rpi,sense:0";
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softcarrier = <&lirc_rpi>,"rpi,softcarrier:0";
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invert = <&lirc_rpi>,"rpi,invert:0";
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};
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};
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