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From 07419175fdb507be2c9d3aaf4b7d18306a336348 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Wed, 2 Aug 2023 11:38:03 +0100
Subject: [PATCH] dt-bindings: input: Add bindings for raspberrypi-button
Add bindings for the firmware-based button driver.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
.../input/raspberrypi,firmware-button.yaml | 47 +++++++++++++++++++
1 file changed, 47 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/raspberrypi,firmware-button.yaml
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/raspberrypi,firmware-button.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/raspberrypi,firmware-button.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Raspberry Pi firmware buttons
+
+maintainers:
+ - Phil Elwell <phil@raspberrypi.com>
+
+description: >
+ The Raspberry Pi 5 firmware exposes the state of the power button. The
+ raspberrypi-button driver generates a keycode when it is pressed.
+
+properties:
+ compatible:
+ enum:
+ - raspberrypi,firmware-button
+
+ id:
+ description: A numeric identifier of the button
+
+ label:
+ description: Descriptive name of the button.
+
+ linux,code:
+ description: Key code to emit.
+
+required:
+ - compatible
+ - linux,code
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/input/raspberrypi-button.h>
+
+ pwr_button: pwr_button {
+ compatible = "raspberrypi,firmware-button";
+ id = <RASPBERRYPI_BUTTON_POWER>;
+ label = "pwr_button";
+ linux,code = <116>; // KEY_POWER
+ };
+
+...
|
