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| author |   Vincent Knecht <vincent.knecht@mailoo.org> | 2021-04-09 13:16:49 -0700 |
|---|---|---|
| committer |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2021-04-09 22:42:31 -0700 |
| commit | 2911ce35faf3df41eb09610cc5c55796fe69104b (patch) | |
| tree | 64b644bbdae643210f40687be19f403ac29beef8 /Documentation | |
| parent | Input: silead - add workaround for x86 BIOS-es which bring the chip up in a stuck state (diff) | |
| download | linux-dev-2911ce35faf3df41eb09610cc5c55796fe69104b.tar.xz linux-dev-2911ce35faf3df41eb09610cc5c55796fe69104b.zip | |
dt-bindings: input/touchscreen: add bindings for msg2638
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>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210305153815.126937-1-vincent.knecht@mailoo.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml | 69 |
1 files changed, 69 insertions, 0 deletions
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>; + }; + }; + +... |