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