mirror of
https://github.com/Qortal/Brooklyn.git
synced 2025-01-31 15:22:18 +00:00
107 lines
2.4 KiB
Plaintext
107 lines
2.4 KiB
Plaintext
/*
|
|
* Device Tree overlay for PiScreen2 3.5" TFT with resistive touch by Ozzmaker.com
|
|
*
|
|
*/
|
|
|
|
/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__ {
|
|
piscreen2_pins: piscreen2_pins {
|
|
brcm,pins = <17 25 24 22>;
|
|
brcm,function = <0 1 1 1>; /* in out out out */
|
|
};
|
|
};
|
|
};
|
|
|
|
fragment@4 {
|
|
target = <&spi0>;
|
|
__overlay__ {
|
|
/* needed to avoid dtc warning */
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
piscreen2: piscreen2@0{
|
|
compatible = "ilitek,ili9486";
|
|
reg = <0>;
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&piscreen2_pins>;
|
|
bgr;
|
|
spi-max-frequency = <64000000>;
|
|
rotate = <90>;
|
|
fps = <30>;
|
|
buswidth = <8>;
|
|
regwidth = <16>;
|
|
txbuflen = <32768>;
|
|
reset-gpios = <&gpio 25 1>;
|
|
dc-gpios = <&gpio 24 0>;
|
|
led-gpios = <&gpio 22 0>;
|
|
debug = <0>;
|
|
|
|
init = <0x10000b0 0x00
|
|
0x1000011
|
|
0x20000ff
|
|
0x100003a 0x55
|
|
0x1000036 0x28
|
|
0x10000c0 0x11 0x09
|
|
0x10000c1 0x41
|
|
0x10000c5 0x00 0x00 0x00 0x00
|
|
0x10000b6 0x00 0x02
|
|
0x10000f7 0xa9 0x51 0x2c 0x2
|
|
0x10000be 0x00 0x04
|
|
0x10000e9 0x00
|
|
0x1000011
|
|
0x1000029>;
|
|
|
|
};
|
|
|
|
piscreen2_ts: piscreen2-ts@1 {
|
|
compatible = "ti,ads7846";
|
|
reg = <1>;
|
|
|
|
spi-max-frequency = <2000000>;
|
|
interrupts = <17 2>; /* high-to-low edge triggered */
|
|
interrupt-parent = <&gpio>;
|
|
pendown-gpio = <&gpio 17 0>;
|
|
ti,swap-xy;
|
|
ti,x-plate-ohms = /bits/ 16 <100>;
|
|
ti,pressure-max = /bits/ 16 <255>;
|
|
};
|
|
};
|
|
};
|
|
__overrides__ {
|
|
speed = <&piscreen2>,"spi-max-frequency:0";
|
|
rotate = <&piscreen2>,"rotate:0";
|
|
fps = <&piscreen2>,"fps:0";
|
|
debug = <&piscreen2>,"debug:0";
|
|
xohms = <&piscreen2_ts>,"ti,x-plate-ohms;0";
|
|
};
|
|
};
|
|
|