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9bfaf9c729
*-supply properties are always a single phandle, so binding schemas don't need a type $ref nor 'maxItems'. A meta-schema check for this is pending once these existing cases are fixed. Cc: Jonathan Cameron <jic23@kernel.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Maxime Ripard <mripard@kernel.org> Cc: dri-devel@lists.freedesktop.org Cc: linux-iio@vger.kernel.org Cc: linux-input@vger.kernel.org Cc: linux-media@vger.kernel.org Acked-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20201221234659.824881-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
91 lines
2.1 KiB
YAML
91 lines
2.1 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/input/fsl,mpr121-touchkey.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Freescale MPR121 capacitive touch sensor controller
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maintainers:
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- Dmitry Torokhov <dmitry.torokhov@gmail.com>
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description: |
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The MPR121 supports up to 12 completely independent electrodes/capacitance
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sensing inputs in which 8 are multifunctional for LED driving and GPIO.
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https://www.nxp.com/docs/en/data-sheet/MPR121.pdf
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allOf:
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- $ref: input.yaml#
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anyOf:
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- required: [ interrupts ]
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- required: [ poll-interval ]
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properties:
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compatible:
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const: fsl,mpr121-touchkey
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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vdd-supply: true
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linux,keycodes:
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minItems: 1
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maxItems: 12
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wakeup-source:
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description: Use any event on keypad as wakeup event.
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type: boolean
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required:
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- compatible
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- reg
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- vdd-supply
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- linux,keycodes
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unevaluatedProperties: false
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examples:
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- |
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// Example with interrupts
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#include "dt-bindings/input/input.h"
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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mpr121@5a {
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compatible = "fsl,mpr121-touchkey";
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reg = <0x5a>;
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interrupt-parent = <&gpio1>;
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interrupts = <28 2>;
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autorepeat;
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vdd-supply = <&ldo4_reg>;
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linux,keycodes = <KEY_0>, <KEY_1>, <KEY_2>, <KEY_3>,
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<KEY_4>, <KEY_5>, <KEY_6>, <KEY_7>,
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<KEY_8>, <KEY_9>, <KEY_A>, <KEY_B>;
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};
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};
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- |
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// Example with polling
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#include "dt-bindings/input/input.h"
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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mpr121@5a {
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compatible = "fsl,mpr121-touchkey";
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reg = <0x5a>;
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poll-interval = <20>;
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autorepeat;
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vdd-supply = <&ldo4_reg>;
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linux,keycodes = <KEY_0>, <KEY_1>, <KEY_2>, <KEY_3>,
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<KEY_4>, <KEY_5>, <KEY_6>, <KEY_7>,
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<KEY_8>, <KEY_9>, <KEY_A>, <KEY_B>;
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};
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};
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