mirror of
https://github.com/Qortal/Brooklyn.git
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149 lines
2.9 KiB
Plaintext
149 lines
2.9 KiB
Plaintext
/*
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* Device Tree overlay for HY28b display shield by Texy
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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 = <&spidev1>;
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__overlay__ {
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status = "disabled";
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};
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};
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fragment@3 {
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target = <&gpio>;
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__overlay__ {
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hy28b_pins: hy28b_pins {
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brcm,pins = <17 25 18>;
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brcm,function = <0 1 1>; /* in out out */
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};
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};
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};
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fragment@4 {
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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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hy28b: hy28b@0{
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compatible = "ilitek,ili9325";
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reg = <0>;
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pinctrl-names = "default";
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pinctrl-0 = <&hy28b_pins>;
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spi-max-frequency = <48000000>;
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spi-cpol;
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spi-cpha;
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rotate = <270>;
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bgr;
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fps = <50>;
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buswidth = <8>;
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startbyte = <0x70>;
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reset-gpios = <&gpio 25 1>;
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led-gpios = <&gpio 18 1>;
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gamma = "04 1F 4 7 7 0 7 7 6 0\n0F 00 1 7 4 0 0 0 6 7";
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init = <0x10000e7 0x0010
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0x1000000 0x0001
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0x1000001 0x0100
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0x1000002 0x0700
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0x1000003 0x1030
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0x1000004 0x0000
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0x1000008 0x0207
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0x1000009 0x0000
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0x100000a 0x0000
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0x100000c 0x0001
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0x100000d 0x0000
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0x100000f 0x0000
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0x1000010 0x0000
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0x1000011 0x0007
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0x1000012 0x0000
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0x1000013 0x0000
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0x2000032
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0x1000010 0x1590
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0x1000011 0x0227
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0x2000032
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0x1000012 0x009c
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0x2000032
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0x1000013 0x1900
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0x1000029 0x0023
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0x100002b 0x000e
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0x2000032
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0x1000020 0x0000
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0x1000021 0x0000
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0x2000032
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0x1000050 0x0000
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0x1000051 0x00ef
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0x1000052 0x0000
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0x1000053 0x013f
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0x1000060 0xa700
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0x1000061 0x0001
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0x100006a 0x0000
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0x1000080 0x0000
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0x1000081 0x0000
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0x1000082 0x0000
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0x1000083 0x0000
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0x1000084 0x0000
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0x1000085 0x0000
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0x1000090 0x0010
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0x1000092 0x0000
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0x1000093 0x0003
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0x1000095 0x0110
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0x1000097 0x0000
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0x1000098 0x0000
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0x1000007 0x0133
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0x1000020 0x0000
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0x1000021 0x0000
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0x2000064>;
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debug = <0>;
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};
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hy28b_ts: hy28b-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 = <17 2>; /* high-to-low edge triggered */
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interrupt-parent = <&gpio>;
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pendown-gpio = <&gpio 17 0>;
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ti,x-plate-ohms = /bits/ 16 <100>;
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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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__overrides__ {
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speed = <&hy28b>,"spi-max-frequency:0";
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rotate = <&hy28b>,"rotate:0";
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fps = <&hy28b>,"fps:0";
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debug = <&hy28b>,"debug:0";
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xohms = <&hy28b_ts>,"ti,x-plate-ohms;0";
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resetgpio = <&hy28b>,"reset-gpios:4",
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<&hy28b_pins>, "brcm,pins:4";
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ledgpio = <&hy28b>,"led-gpios:4",
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<&hy28b_pins>, "brcm,pins:8";
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};
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};
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