mirror of
https://github.com/Qortal/Brooklyn.git
synced 2025-01-31 23:32:17 +00:00
60 lines
1.3 KiB
Plaintext
60 lines
1.3 KiB
Plaintext
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
||
|
|
// Definitions for Azoteq IQS550 trackpad/touchscreen controller
|
||
|
|
/dts-v1/;
|
||
|
|
/plugin/;
|
||
|
|
#include <dt-bindings/gpio/gpio.h>
|
||
|
|
#include <dt-bindings/interrupt-controller/irq.h>
|
||
|
|
|
||
|
|
/ {
|
||
|
|
compatible = "brcm,bcm2835";
|
||
|
|
|
||
|
|
fragment@0 {
|
||
|
|
target = <&i2c1>;
|
||
|
|
__overlay__ {
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <0>;
|
||
|
|
status = "okay";
|
||
|
|
|
||
|
|
iqs550: iqs550@74 {
|
||
|
|
compatible = "azoteq,iqs550";
|
||
|
|
reg = <0x74>;
|
||
|
|
interrupt-parent = <&gpio>;
|
||
|
|
interrupts = <4 IRQ_TYPE_LEVEL_HIGH>;
|
||
|
|
pinctrl-names = "default";
|
||
|
|
pinctrl-0 = <&iqs550_pins>;
|
||
|
|
touchscreen-size-x = <800>;
|
||
|
|
touchscreen-size-y = <480>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
fragment@1 {
|
||
|
|
target = <&iqs550>;
|
||
|
|
iqs550_reset: __dormant__ {
|
||
|
|
reset-gpios = <&gpio 255 (GPIO_ACTIVE_LOW |
|
||
|
|
GPIO_PUSH_PULL)>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
fragment@2 {
|
||
|
|
target = <&gpio>;
|
||
|
|
__overlay__ {
|
||
|
|
iqs550_pins: iqs550_pins {
|
||
|
|
brcm,pins = <4>;
|
||
|
|
brcm,pull = <1>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
__overrides__ {
|
||
|
|
interrupt = <&iqs550>,"interrupts:0",
|
||
|
|
<&iqs550_pins>,"brcm,pins:0";
|
||
|
|
reset = <0>,"+1", <&iqs550_reset>,"reset-gpios:4";
|
||
|
|
sizex = <&iqs550>,"touchscreen-size-x:0";
|
||
|
|
sizey = <&iqs550>,"touchscreen-size-y:0";
|
||
|
|
invx = <&iqs550>,"touchscreen-inverted-x?";
|
||
|
|
invy = <&iqs550>,"touchscreen-inverted-y?";
|
||
|
|
swapxy = <&iqs550>,"touchscreen-swapped-x-y?";
|
||
|
|
};
|
||
|
|
};
|