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a=ed25519-sha256; t=1708932678; l=3131; i=nikita.shubin@maquefel.me; s=20230718; h=from:subject:message-id; bh=BmV75DVRygMtC4JmBqsWTX4r3uOQf/4IH1RLZhibCAg=; =?utf-8?q?b=3DLYxd2sulUikn?= =?utf-8?q?SIE3JxEzX0WpXZ4vf0Dv2qRC2aMBKtgqi7k8o2CE2PmiMib2JVFEc2Y469oG37sO?= DJkxPc67A33Pus9EJt6SkxFnLsFIY1bE0Qu/dgTEGjhHGtSxglU5 X-Developer-Key: i=nikita.shubin@maquefel.me; a=ed25519; pk=vqf5YIUJ7BJv3EJFaNNxWZgGuMgDH6rwufTLflwU9ac= X-Endpoint-Received: by B4 Relay for nikita.shubin@maquefel.me/20230718 with auth_id=65 X-Original-From: Nikita Shubin Reply-To: From: Nikita Shubin Add YAML bindings for ep93xx SoC keypad. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Nikita Shubin --- .../bindings/input/cirrus,ep9307-keypad.yaml | 87 ++++++++++++++++++++++ 1 file changed, 87 insertions(+) diff --git a/Documentation/devicetree/bindings/input/cirrus,ep9307-keypad.yaml b/Documentation/devicetree/bindings/input/cirrus,ep9307-keypad.yaml new file mode 100644 index 000000000000..a0d2460c55ab --- /dev/null +++ b/Documentation/devicetree/bindings/input/cirrus,ep9307-keypad.yaml @@ -0,0 +1,87 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/cirrus,ep9307-keypad.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cirrus ep93xx keypad + +maintainers: + - Alexander Sverdlin + +allOf: + - $ref: /schemas/input/matrix-keymap.yaml# + +description: + The KPP is designed to interface with a keypad matrix with 2-point contact + or 3-point contact keys. The KPP is designed to simplify the software task + of scanning a keypad matrix. The KPP is capable of detecting, debouncing, + and decoding one or multiple keys pressed simultaneously on a keypad. + +properties: + compatible: + oneOf: + - const: cirrus,ep9307-keypad + - items: + - enum: + - cirrus,ep9312-keypad + - cirrus,ep9315-keypad + - const: cirrus,ep9307-keypad + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + debounce-delay-ms: + description: | + Time in microseconds that key must be pressed or + released for state change interrupt to trigger. + + cirrus,prescale: + description: row/column counter pre-scaler load value + $ref: /schemas/types.yaml#/definitions/uint16 + maximum: 1023 + +required: + - compatible + - reg + - interrupts + - clocks + - linux,keymap + +unevaluatedProperties: false + +examples: + - | + #include + #include + keypad@800f0000 { + compatible = "cirrus,ep9307-keypad"; + reg = <0x800f0000 0x0c>; + interrupt-parent = <&vic0>; + interrupts = <29>; + clocks = <&eclk EP93XX_CLK_KEYPAD>; + pinctrl-names = "default"; + pinctrl-0 = <&keypad_default_pins>; + linux,keymap = , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + ; + };