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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/waveshare,dsi-touch-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Waveshare GPIO controller on DSI TOUCH panels
maintainers:
- Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
description:
Waveshare DSI TOUCH panel kits contain separate GPIO controller for toggling
power supplies and panel / touchscreen resets.
properties:
compatible:
const: waveshare,dsi-touch-gpio
reg:
maxItems: 1
gpio-controller: true
'#gpio-cells':
const: 2
required:
- compatible
- reg
- gpio-controller
- "#gpio-cells"
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
wsgpio: gpio@45 {
compatible = "waveshare,dsi-touch-gpio";
reg = <0x45>;
gpio-controller;
#gpio-cells = <2>;
};
};
panel_avdd: regulator-panel-avdd {
compatible = "regulator-fixed";
regulator-name = "panel-avdd";
gpios = <&wsgpio 0 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
panel_iovcc: regulator-panel-iovcc {
compatible = "regulator-fixed";
regulator-name = "panel-iovcc";
gpios = <&wsgpio 4 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
panel_vcc: regulator-panel-vcc {
compatible = "regulator-fixed";
regulator-name = "panel-vcc";
gpios = <&wsgpio 8 GPIO_ACTIVE_HIGH>;
enable-active-high;
regulator-always-on;
};
...
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