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/*
* Device Tree overlay for rpi-display by Watterott
*
*/
/dts-v1/;
/plugin/;
/ {
compatible = "brcm,bcm2835";
fragment@0 {
target = <&spi0>;
__overlay__ {
status = "okay";
};
};
fragment@1 {
target = <&spidev0>;
__overlay__ {
status = "disabled";
};
};
fragment@2 {
target = <&spidev1>;
__overlay__ {
status = "disabled";
};
};
fragment@3 {
target = <&gpio>;
__overlay__ {
rpi_display_pins: rpi_display_pins {
brcm,pins = <18 23 24 25>;
brcm,function = <1 1 1 0>; /* out out out in */
brcm,pull = <0 0 0 2>; /* - - - up */
};
};
};
fragment@4 {
target = <&spi0>;
__overlay__ {
/* needed to avoid dtc warning */
#address-cells = <1>;
#size-cells = <0>;
rpidisplay: rpi-display@0{
compatible = "ilitek,ili9341";
reg = <0>;
pinctrl-names = "default";
pinctrl-0 = <&rpi_display_pins>;
spi-max-frequency = <32000000>;
rotate = <270>;
bgr;
fps = <30>;
buswidth = <8>;
reset-gpios = <&gpio 23 0>;
dc-gpios = <&gpio 24 0>;
led-gpios = <&gpio 18 1>;
debug = <0>;
};
rpidisplay_ts: rpi-display-ts@1 {
compatible = "ti,ads7846";
reg = <1>;
spi-max-frequency = <2000000>;
interrupts = <25 2>; /* high-to-low edge triggered */
interrupt-parent = <&gpio>;
pendown-gpio = <&gpio 25 0>;
ti,x-plate-ohms = /bits/ 16 <60>;
ti,pressure-max = /bits/ 16 <255>;
};
};
};
__overrides__ {
speed = <&rpidisplay>,"spi-max-frequency:0";
rotate = <&rpidisplay>,"rotate:0";
fps = <&rpidisplay>,"fps:0";
debug = <&rpidisplay>,"debug:0";
xohms = <&rpidisplay_ts>,"ti,x-plate-ohms;0";
swapxy = <&rpidisplay_ts>,"ti,swap-xy?";
backlight = <&rpidisplay>,"led-gpios:4",
<&rpi_display_pins>,"brcm,pins:0";
};
};
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