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78 lines
1.4 KiB
78 lines
1.4 KiB
/*
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* Device Tree overlay for Adafruit Mini PiTFT 1.14" Display
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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", "brcm,bcm2708", "brcm,bcm2709";
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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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};
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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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pitft_pins: pitft_pins {
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brcm,pins = <25>; /* dc pin */
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brcm,function = <1>; /* out */
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brcm,pull = <0>; /* no pull */
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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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pitft: pitft@0{
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compatible = "multi-inno,mi0283qt";
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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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rotation = <90>;
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width = <136>;
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height = <240>;
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col_offset = <53>;
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row_offset = <40>;
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dc-gpios = <&gpio 25 0>;
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backlight = <&backlight>;
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};
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};
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};
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fragment@3 {
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target-path = "/soc";
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__overlay__ {
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backlight: backlight {
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compatible = "gpio-backlight";
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gpios = <&gpio 22 0>;
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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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rotation = <&pitft>,"rotation:0";
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width = <&pitft>,"width:0";
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height = <&pitft>,"height:0";
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col_offset = <&pitft>,"col_offset:0";
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row_offset = <&pitft>,"row_offset:0";
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};
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};
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