[PATCH v2 1/1] dt-bindings: input: convert tca8418_keypad.txt to yaml format
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From: Frank Li <Frank.Li@nxp.com>
Date: 2025-09-16 17:13:48
Also in:
imx, linux-devicetree, lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Dmitry Torokhov, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Landed in mainline as 1b7d2e174242 on 2025-09-18.
Convert tca8418_keypad.txt to yaml format. Signed-off-by: Frank Li <Frank.Li@nxp.com> --- change in v2 - add TCA8418 to title --- .../bindings/input/tca8418_keypad.txt | 10 --- .../devicetree/bindings/input/ti,tca8418.yaml | 61 +++++++++++++++++++ 2 files changed, 61 insertions(+), 10 deletions(-) delete mode 100644 Documentation/devicetree/bindings/input/tca8418_keypad.txt create mode 100644 Documentation/devicetree/bindings/input/ti,tca8418.yaml
diff --git a/Documentation/devicetree/bindings/input/tca8418_keypad.txt b/Documentation/devicetree/bindings/input/tca8418_keypad.txt
deleted file mode 100644
index 2551850091678..0000000000000
--- a/Documentation/devicetree/bindings/input/tca8418_keypad.txt
+++ /dev/null@@ -1,10 +0,0 @@ -This binding is based on the matrix-keymap binding with the following -changes: - -keypad,num-rows and keypad,num-columns are required. - -Required properties: -- compatible: "ti,tca8418" -- reg: the I2C address -- interrupts: IRQ line number, should trigger on falling edge -- linux,keymap: Keys definitions, see keypad-matrix.
diff --git a/Documentation/devicetree/bindings/input/ti,tca8418.yaml b/Documentation/devicetree/bindings/input/ti,tca8418.yaml
new file mode 100644
index 0000000000000..624a1830d0b0d
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/ti,tca8418.yaml@@ -0,0 +1,61 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/ti,tca8418.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI TCA8418 I2C/SMBus keypad scanner + +maintainers: + - Frank Li <Frank.Li@nxp.com> + +properties: + compatible: + enum: + - ti,tca8418 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +allOf: + - $ref: matrix-keymap.yaml# + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/input/input.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + keypad@34 { + compatible = "ti,tca8418"; + reg = <0x34>; + interrupt-parent = <&gpio5>; + interrupts = <11 IRQ_TYPE_EDGE_FALLING>; + keypad,num-rows = <4>; + keypad,num-columns = <4>; + linux,keymap = < MATRIX_KEY(0x00, 0x01, BTN_0) + MATRIX_KEY(0x00, 0x00, BTN_1) + MATRIX_KEY(0x01, 0x01, BTN_2) + MATRIX_KEY(0x01, 0x00, BTN_3) + MATRIX_KEY(0x02, 0x00, BTN_4) + MATRIX_KEY(0x00, 0x03, BTN_5) + MATRIX_KEY(0x00, 0x02, BTN_6) + MATRIX_KEY(0x01, 0x03, BTN_7) + MATRIX_KEY(0x01, 0x02, BTN_8) + MATRIX_KEY(0x02, 0x02, BTN_9) + >; + }; + };
--
2.34.1