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63 lines
1.7 KiB
Diff
63 lines
1.7 KiB
Diff
From d4674413e91a1161ae850e1fae3b8d5959bd4c24 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Wed, 2 Aug 2023 11:38:03 +0100
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Subject: [PATCH] dt-bindings: input: Add bindings for raspberrypi-button
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Add bindings for the firmware-based button driver.
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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.../input/raspberrypi,firmware-button.yaml | 47 +++++++++++++++++++
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1 file changed, 47 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/input/raspberrypi,firmware-button.yaml
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/input/raspberrypi,firmware-button.yaml
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@@ -0,0 +1,47 @@
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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+%YAML 1.2
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+---
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+$id: http://devicetree.org/schemas/input/raspberrypi,firmware-button.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: Raspberry Pi firmware buttons
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+
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+maintainers:
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+ - Phil Elwell <phil@raspberrypi.com>
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+
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+description: >
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+ The Raspberry Pi 5 firmware exposes the state of the power button. The
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+ raspberrypi-button driver generates a keycode when it is pressed.
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+
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+properties:
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+ compatible:
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+ enum:
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+ - raspberrypi,firmware-button
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+
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+ id:
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+ description: A numeric identifier of the button
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+
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+ label:
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+ description: Descriptive name of the button.
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+
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+ linux,code:
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+ description: Key code to emit.
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+
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+required:
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+ - compatible
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+ - linux,code
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+
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+additionalProperties: false
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+
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+examples:
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+ - |
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+ #include <dt-bindings/input/raspberrypi-button.h>
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+
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+ pwr_button: pwr_button {
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+ compatible = "raspberrypi,firmware-button";
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+ id = <RASPBERRYPI_BUTTON_POWER>;
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+ label = "pwr_button";
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+ linux,code = <116>; // KEY_POWER
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+ };
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+
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+...
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