Message ID | 20210305153815.126937-1-vincent.knecht@mailoo.org |
---|---|
State | Accepted |
Commit | 2911ce35faf3df41eb09610cc5c55796fe69104b |
Headers | show |
Series | [v6,1/2] dt-bindings: input/touchscreen: add bindings for msg2638 | expand |
On Fri, 05 Mar 2021 16:38:04 +0100, Vincent Knecht wrote: > This adds dts bindings for the mstar msg2638 touchscreen. > > Reviewed-by: Linus Walleij <linus.walleij@linaro.org> > Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org> > --- > Changed in v6: > - change touchscreen-size-x/y values in example section to reflect > scaling removal in driver (Dmitry) > - add Linus W. Reviewed-by > Changed in v5: nothing > Changed in v4: > - don't use wildcards in compatible strings (Rob H) > - rename from msg26xx to msg2638 > - rename example pinctrl-0 to &ts_int_reset_default for consistency > 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,msg2638.yaml | 69 +++++++++++++++++++ > 1 file changed, 69 insertions(+) > create mode 100644 Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml b/Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml new file mode 100644 index 000000000000..3a42c23faf6f --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/mstar,msg2638.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MStar msg2638 touchscreen controller Bindings + +maintainers: + - Vincent Knecht <vincent.knecht@mailoo.org> + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + const: mstar,msg2638 + + 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,msg2638"; + 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_reset_default>; + vdd-supply = <&pm8916_l17>; + vddio-supply = <&pm8916_l5>; + touchscreen-size-x = <2048>; + touchscreen-size-y = <2048>; + }; + }; + +...