This patch adds the devicetree documentation for the Cirrus Logic
CLPS711X keypad.
Signed-off-by: Alexander Shiyan <shc_work@xxxxxxx>
---
.../devicetree/bindings/input/clps711x-keypad.txt | 29 ++++++++++++++++++++++
1 file changed, 29 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/clps711x-keypad.txt
diff --git a/Documentation/devicetree/bindings/input/clps711x-keypad.txt b/Documentation/devicetree/bindings/input/clps711x-keypad.txt
new file mode 100644
index 0000000..bcf5f02
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/clps711x-keypad.txt
@@ -0,0 +1,29 @@
+* Cirrus Logic CLPS711X matrix keypad device tree bindings
+
+Required Properties:
+- compatible: Should be "cirrus,clps711x-keypad".
+- syscon: phandle to syscon device node which control keypad (SYSCON1).
+- row-gpios: List of GPIOs used as row lines.
+- poll-interval: Poll interval time in milliseconds.
+- linux,keymap: The definition can be found at
+ bindings/input/matrix-keymap.txt.
+
+Optional Properties:
+- autorepeat: Enable autorepeat feature.
+
+Example:
+ keypad {
+ compatible = "cirrus,clps711x-keypad";
+ syscon = <&syscon1>;
+ autorepeat;
+ poll-interval = <120>;
+ row-gpios = <&porta 0 0>,
+ <&porta 1 0>;
+
+ linux,keymap = <
+ MATRIX_KEY(0, 0, KEY_UP)
+ MATRIX_KEY(0, 1, KEY_DOWN)
+ MATRIX_KEY(1, 0, KEY_LEFT)
+ MATRIX_KEY(1, 1, KEY_RIGHT)
+ >;
+ };
--
1.8.3.2
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