From: mjchen <mjchen@xxxxxxxxxxx> Add YAML bindings for MA35D1 SoC keypad. Signed-off-by: mjchen <mjchen@xxxxxxxxxxx> --- .../bindings/input/nvt,ma35d1-keypad.yaml | 88 +++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100755 Documentation/devicetree/bindings/input/nvt,ma35d1-keypad.yaml diff --git a/Documentation/devicetree/bindings/input/nvt,ma35d1-keypad.yaml b/Documentation/devicetree/bindings/input/nvt,ma35d1-keypad.yaml new file mode 100755 index 000000000000..3d9fc26cc132 --- /dev/null +++ b/Documentation/devicetree/bindings/input/nvt,ma35d1-keypad.yaml @@ -0,0 +1,88 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/nvt,ma35d1-keypad.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVT MA35D1 Keypad + +maintainers: + - Ming-jen Chen <mjchen0829@xxxxxxxxx> + +allOf: + - $ref: /schemas/input/matrix-keymap.yaml# + +properties: + compatible: + const: nuvoton,ma35d1-kpi + + debounce-period: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + key debounce period select + 0 = 0 clock + 1 = 0 clock + 2 = 0 clock + 3 = 8 clocks + 4 = 16 clocks + 5 = 32 clocks + 6 = 64 clocks + 7 = 128 clocks + 8 = 256 clocks + 9 = 512 clocks + 10 = 1024 clocks + 11 = 2048 clocks + 12 = 4096 clocks + 13 = 8192 clocks + + per-scale: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Row Scan Cycle Pre-scale Value (1 to 256). + + per-scalediv: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Per-scale divider (1 to 256). + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - linux,keymap + - debounce-period + - per-scale + - per-scalediv + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/input/input.h> + keypad: keypad@404A0000 { + compatible = "nuvoton,ma35d1-kpi"; + reg = <0x404A0000 0x10000>; + interrupts = <79>; + clocks = <&clk>; + keypad,num-rows = <2>; + keypad,num-columns = <2>; + + linux,keymap = < + MATRIX_KEY(0, 0, KEY_ENTER) + MATRIX_KEY(0, 1, KEY_ENTER) + MATRIX_KEY(1, 0, KEY_SPACE) + MATRIX_KEY(1, 1, KEY_Z) + >; + + debounce-period = <1>; + per-scale = <1>; + per-scalediv = <24>; + }; -- 2.17.1
