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add ili9341 + tsc2007 overlay

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Timon 2023-12-21 17:11:57 +01:00
parent 46632797b5
commit 82accfadef
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overlays/ili9341-2_4inch_w_backlight.dts Normal file
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/*
* Device Tree overlay for Adafruit PiTFT 2.8" resistive touch screen
*
*/
/dts-v1/;
/plugin/;
/ {
compatible = "brcm,bcm2835";
fragment@0 {
target = <&spi0>;
__overlay__ {
status = "okay";
};
};
fragment@2 {
target = <&spidev0>;
__overlay__ {
status = "disabled";
};
};
fragment@3 {
target = <&spidev1>;
__overlay__ {
status = "disabled";
};
};
fragment@4 {
target = <&gpio>;
__overlay__ {
adafruit_2_4_tft_pins: adafruit_2_4_tft_pins {
brcm,pins = <22 23 17 12>;
brcm,function = <1 1 0 1>; /* out out in out*/
brcm,pull = <0 0 1 2>; /* none none down up */
};
};
};
fragment@5 {
target = <&spi0>;
__overlay__ {
/* needed to avoid dtc warning */
#address-cells = <1>;
#size-cells = <0>;
cs-gpios = <&gpio 27 1>;
adafruit_2_4_tft: adafruit_2_4_tft@0{
compatible = "adafruit,yx240qv29";
reg = <0>;
pinctrl-names = "default";
pinctrl-0 = <&adafruit_2_4_tft_pins>;
spi-max-frequency = <32000000>;
rotation = <90>;
reset-gpios = <&gpio 23 0>;
dc-gpios = <&gpio 22 0>;
};
};
};
fragment@7 {
target = <&i2c1>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
tsc2007: tsc2007@48 {
compatible = "ti,tsc2007";
reg = <0x48>;
touchscreen-swapped-x-y;
touchscreen-inverted-x;
touchscreen-min-x = <350>;
touchscreen-size-x = <3700>;
touchscreen-fuzz-x = <4>;
touchscreen-min-y = <320>;
touchscreen-size-y = <3700>;
touchscreen-fuzz-y = <4>;
touchscreen-min-pressure = <1000>;
touchscreen-max-pressure = <3700>;
touchscreen-fuzz-pressure = <4>;
touchscreen-x-plate-ohms = <180>;
panel = <&adafruit_2_4_tft>;
pinctrl-0 = <&adafruit_2_4_tft_pins>;
interrupt-parent = <&gpio>;
interrupts = <17 2>;
gpios = <&gpio 17 1>;
};
};
};
fragment@8 {
target-path = "/soc";
__overlay__ {
backlight: backlight {
compatible = "gpio-backlight";
pinctrl-0 = <&adafruit_2_4_tft_pins>;
gpios = <&gpio 12 2>;
default-on;
};
};
};
__overrides__ {
speed = <&adafruit_2_4_tft>,"spi-max-frequency:0";
rotate = <&adafruit_2_4_tft>,"rotation:0";
fps = <&adafruit_2_4_tft>,"fps:0";
debug = <&adafruit_2_4_tft>,"debug:0";
xohms = <&tsc2007>,"touchscreen-x-plate-ohms;0";
swapxy = <&tsc2007>,"touchscreen-swapped-x-y?";
};
};