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Diffstat (limited to 'Documentation/devicetree/bindings/input/touchscreen/melfas,mms114.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/melfas,mms114.yaml | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/melfas,mms114.yaml b/Documentation/devicetree/bindings/input/touchscreen/melfas,mms114.yaml new file mode 100644 index 0000000000..07f9dd6b1c --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/melfas,mms114.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/melfas,mms114.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Melfas MMS114 family touchscreen controller + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +allOf: + - $ref: touchscreen.yaml# + +properties: + $nodename: + pattern: "^touchscreen(@.*)?$" + + compatible: + items: + - enum: + - melfas,mms114 + - melfas,mms134s + - melfas,mms136 + - melfas,mms152 + - melfas,mms345l + + reg: + description: I2C address + + clock-frequency: + description: I2C client clock frequency, defined for host + minimum: 100000 + maximum: 400000 + + interrupts: + maxItems: 1 + + avdd-supply: + description: Analog power supply regulator on AVDD pin + + vdd-supply: + description: Digital power supply regulator on VDD pin + + touchscreen-size-x: true + touchscreen-size-y: true + touchscreen-fuzz-x: true + touchscreen-fuzz-y: true + touchscreen-fuzz-pressure: true + touchscreen-inverted-x: true + touchscreen-inverted-y: true + touchscreen-swapped-x-y: true + touchscreen-max-pressure: true + + linux,keycodes: + description: Keycodes for the touch keys + minItems: 1 + maxItems: 15 + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - touchscreen-size-x + - touchscreen-size-y + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + touchscreen@48 { + compatible = "melfas,mms114"; + reg = <0x48>; + interrupt-parent = <&gpio>; + interrupts = <39 IRQ_TYPE_EDGE_FALLING>; + avdd-supply = <&ldo1_reg>; + vdd-supply = <&ldo2_reg>; + touchscreen-size-x = <720>; + touchscreen-size-y = <1280>; + touchscreen-fuzz-x = <10>; + touchscreen-fuzz-y = <10>; + touchscreen-fuzz-pressure = <10>; + touchscreen-inverted-x; + touchscreen-inverted-y; + }; + }; + +... |