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92 lines
2.8 KiB
Plaintext
92 lines
2.8 KiB
Plaintext
/*
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* Device Tree overlay for Adafruit PiTFT 2.8" capacitive touch screen
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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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};
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};
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fragment@1 {
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target = <&spidev0>;
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__overlay__ {
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status = "disabled";
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};
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};
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fragment@2 {
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target = <&gpio>;
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__overlay__ {
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pitft_pins: pitft_pins {
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brcm,pins = <24 25>;
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brcm,function = <0 1>; /* in out */
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brcm,pull = <2 0>; /* pullup none */
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};
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};
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};
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fragment@3 {
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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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pitft: pitft@0{
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compatible = "ilitek,ili9340";
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reg = <0>;
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pinctrl-names = "default";
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pinctrl-0 = <&pitft_pins>;
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spi-max-frequency = <32000000>;
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rotate = <90>;
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fps = <25>;
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bgr;
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buswidth = <8>;
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dc-gpios = <&gpio 25 0>;
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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 = <&i2c1>;
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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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ft6236: ft6236@38 {
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compatible = "focaltech,ft6236";
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reg = <0x38>;
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interrupt-parent = <&gpio>;
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interrupts = <24 2>;
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touchscreen-size-x = <240>;
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touchscreen-size-y = <320>;
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};
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};
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};
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__overrides__ {
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speed = <&pitft>,"spi-max-frequency:0";
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rotate = <&pitft>,"rotate:0";
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fps = <&pitft>,"fps:0";
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debug = <&pitft>,"debug:0";
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touch-sizex = <&ft6236>,"touchscreen-size-x?";
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touch-sizey = <&ft6236>,"touchscreen-size-y?";
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touch-invx = <&ft6236>,"touchscreen-inverted-x?";
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touch-invy = <&ft6236>,"touchscreen-inverted-y?";
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touch-swapxy = <&ft6236>,"touchscreen-swapped-x-y?";
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};
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};
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