This adds dts bindings for the mstar msg26xx touchscreen. Signed-off-by: Vincent Knecht <vincent.knecht@xxxxxxxxxx> --- Changed in v3: - added `touchscreen-size-x: true` and `touchscreen-size-y: true` properties Changed in v2: - changed M-Star to MStar in title line - changed reset gpio to active-low in example section --- .../input/touchscreen/mstar,msg26xx.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/mstar,msg26xx.yaml diff --git a/Documentation/devicetree/bindings/input/touchscreen/mstar,msg26xx.yaml b/Documentation/devicetree/bindings/input/touchscreen/mstar,msg26xx.yaml new file mode 100644 index 000000000000..5d26a1008bf1 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/mstar,msg26xx.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/mstar,msg26xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MStar msg26xx touchscreen controller Bindings + +maintainers: + - Vincent Knecht <vincent.knecht@xxxxxxxxxx> + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + const: mstar,msg26xx + + reg: + const: 0x26 + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + vdd-supply: + description: Power supply regulator for the chip + + vddio-supply: + description: Power supply regulator for the I2C bus + + touchscreen-size-x: true + touchscreen-size-y: true + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - reset-gpios + - touchscreen-size-x + - touchscreen-size-y + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + touchscreen@26 { + compatible = "mstar,msg26xx"; + reg = <0x26>; + interrupt-parent = <&msmgpio>; + interrupts = <13 IRQ_TYPE_EDGE_FALLING>; + reset-gpios = <&msmgpio 100 GPIO_ACTIVE_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&ts_int_active>; + vdd-supply = <&pm8916_l17>; + vddio-supply = <&pm8916_l5>; + touchscreen-size-x = <720>; + touchscreen-size-y = <1280>; + }; + }; + +... -- 2.29.2
