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Message-Id: <20241022063158.5910-2-mjchen0829@gmail.com>
Date: Tue, 22 Oct 2024 06:31:57 +0000
From: mjchen <mjchen0829@...il.com>
To: linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org,
linux-input@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
mjchen0829@...il.com,
mjchen@...oton.com,
peng.fan@....com,
sudeep.holla@....com,
arnd@...db.de,
conor+dt@...nel.org,
krzk+dt@...nel.org,
robh@...nel.org,
dmitry.torokhov@...il.com
Subject: [PATCH 1/2] dt-bindings: input: Add Nuvoton MA35D1 keypad
From: mjchen <mjchen@...oton.com>
Add YAML bindings for MA35D1 SoC keypad.
Signed-off-by: mjchen <mjchen@...oton.com>
---
.../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@...il.com>
+
+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@...A0000 {
+ 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
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