| # 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; | |
| }; | |
| ... |