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46 lines
953 B
Plaintext
46 lines
953 B
Plaintext
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// Device tree overlay for I2C connected Ilitek multiple touch controller
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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 = <&gpio>;
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__overlay__ {
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ili251x_pins: ili251x_pins {
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brcm,pins = <4>; // interrupt
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brcm,function = <0>; // in
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brcm,pull = <2>; // pull-up //
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};
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};
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};
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fragment@1 {
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target = <&i2c1>;
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__overlay__ {
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#address-cells = <1>;
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#size-cells = <0>;
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status = "okay";
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ili251x: ili251x@41 {
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compatible = "ilitek,ili251x";
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reg = <0x41>;
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pinctrl-names = "default";
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pinctrl-0 = <&ili251x_pins>;
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interrupt-parent = <&gpio>;
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interrupts = <4 8>; // high-to-low edge triggered
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touchscreen-size-x = <16384>;
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touchscreen-size-y = <9600>;
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};
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};
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};
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__overrides__ {
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interrupt = <&ili251x_pins>,"brcm,pins:0",
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<&ili251x>,"interrupts:0";
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sizex = <&ili251x>,"touchscreen-size-x:0";
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sizey = <&ili251x>,"touchscreen-size-y:0";
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};
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};
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