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dt-bindings: input: Convert mtk-pmic-keys to DT schema
Convert the mtk-pmic-keys to DT schema format. The old binding was missing documentation for key press/release interrupts, even though it was supported in hardware and driver, so support for the same was added during the conversion. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20220914103021.43593-2-angelogioacchino.delregno@collabora.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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2 changed files with 113 additions and 46 deletions
113
Documentation/devicetree/bindings/input/mediatek,pmic-keys.yaml
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Documentation/devicetree/bindings/input/mediatek,pmic-keys.yaml
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/input/mediatek,pmic-keys.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: MediaTek PMIC Keys
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maintainers:
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- Chen Zhong <chen.zhong@mediatek.com>
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allOf:
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- $ref: input.yaml#
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description: |
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There are two key functions provided by MT6397, MT6323 and other MediaTek
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PMICs: pwrkey and homekey.
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The key functions are defined as the subnode of the function node provided
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by the PMIC that is defined as a Multi-Function Device (MFD).
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For MediaTek MT6323/MT6397 PMIC bindings see
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Documentation/devicetree/bindings/mfd/mt6397.txt
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properties:
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compatible:
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enum:
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- mediatek,mt6323-keys
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- mediatek,mt6358-keys
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- mediatek,mt6397-keys
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power-off-time-sec: true
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mediatek,long-press-mode:
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description: |
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Key long-press force shutdown setting
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0 - disabled
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1 - pwrkey
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2 - pwrkey+homekey
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$ref: /schemas/types.yaml#/definitions/uint32
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default: 0
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maximum: 2
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patternProperties:
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"^((power|home)|(key-[a-z0-9-]+|[a-z0-9-]+-key))$":
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$ref: input.yaml#
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properties:
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interrupts:
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minItems: 1
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items:
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- description: Key press interrupt
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- description: Key release interrupt
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interrupt-names: true
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linux-keycodes:
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maxItems: 1
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wakeup-source: true
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required:
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- linux,keycodes
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if:
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properties:
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interrupt-names:
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contains:
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const: powerkey
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then:
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properties:
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interrupt-names:
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minItems: 1
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items:
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- const: powerkey
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- const: powerkey_r
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else:
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properties:
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interrupt-names:
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minItems: 1
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items:
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- const: homekey
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- const: homekey_r
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unevaluatedProperties: false
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required:
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- compatible
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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pmic {
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compatible = "mediatek,mt6397";
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keys {
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compatible = "mediatek,mt6397-keys";
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mediatek,long-press-mode = <1>;
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power-off-time-sec = <0>;
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key-power {
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linux,keycodes = <KEY_POWER>;
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wakeup-source;
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};
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key-home {
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linux,keycodes = <KEY_VOLUMEDOWN>;
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};
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};
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};
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@ -1,46 +0,0 @@
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MediaTek MT6397/MT6323 PMIC Keys Device Driver
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There are two key functions provided by MT6397/MT6323 PMIC, pwrkey
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and homekey. The key functions are defined as the subnode of the function
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node provided by MT6397/MT6323 PMIC that is being defined as one kind
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of Muti-Function Device (MFD)
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For MT6397/MT6323 MFD bindings see:
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Documentation/devicetree/bindings/mfd/mt6397.txt
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Required properties:
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- compatible: Should be one of:
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- "mediatek,mt6397-keys"
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- "mediatek,mt6323-keys"
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- "mediatek,mt6358-keys"
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- linux,keycodes: See Documentation/devicetree/bindings/input/input.yaml
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Optional Properties:
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- wakeup-source: See Documentation/devicetree/bindings/power/wakeup-source.txt
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- mediatek,long-press-mode: Long press key shutdown setting, 1 for
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pwrkey only, 2 for pwrkey/homekey together, others for disabled.
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- power-off-time-sec: See Documentation/devicetree/bindings/input/input.yaml
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Example:
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pmic: mt6397 {
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compatible = "mediatek,mt6397";
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...
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mt6397keys: mt6397keys {
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compatible = "mediatek,mt6397-keys";
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mediatek,long-press-mode = <1>;
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power-off-time-sec = <0>;
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power {
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linux,keycodes = <116>;
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wakeup-source;
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};
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home {
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linux,keycodes = <114>;
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};
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};
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};
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