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dt-bindings: mfd: adp5585: add properties for input events
Add properties related to input events. These devices can act as keyboards and can support events either via a keymap Matrix or through GPIs. Note that the device needs to be an interrupt controller for GPIs based events. We specifically need a property specifying the pins used by the keymap matrix since these devices have no requirement for rows and columns to be contiguous without holes which is enforced by the standard input properties. Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org> Signed-off-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20250701-dev-adp5589-fw-v7-11-b1fcfe9e9826@analog.com Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Nuno Sá
@@ -49,6 +49,84 @@ properties:
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"#pwm-cells":
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const: 3
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interrupt-controller: true
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'#interrupt-cells':
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const: 2
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poll-interval:
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enum: [10, 20, 30, 40]
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default: 10
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adi,keypad-pins:
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description: Specifies the pins used for the keypad matrix.
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$ref: /schemas/types.yaml#/definitions/uint32-array
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adi,unlock-events:
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description:
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Specifies a maximum of 2 events that can be used to unlock the keypad.
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If this property is set, the keyboard will be locked and only unlocked
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after these keys/gpis are pressed. The value 127 serves as a wildcard which
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means any key can be used for unlocking.
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$ref: /schemas/types.yaml#/definitions/uint32-array
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minItems: 1
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maxItems: 2
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items:
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anyOf:
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- minimum: 1
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maximum: 88
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- minimum: 97
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maximum: 115
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- const: 127
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adi,unlock-trigger-sec:
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description:
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Defines the time in which the second unlock event must occur after the
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first unlock event has occurred.
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maximum: 7
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default: 0
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adi,reset1-events:
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description:
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Defines the trigger events (key/gpi presses) that can generate reset
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conditions one the reset1 block.
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$ref: /schemas/types.yaml#/definitions/uint32-array
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minItems: 1
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maxItems: 3
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adi,reset2-events:
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description:
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Defines the trigger events (key/gpi presses) that can generate reset
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conditions one the reset2 block.
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$ref: /schemas/types.yaml#/definitions/uint32-array
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minItems: 1
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maxItems: 2
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adi,reset1-active-high:
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description: Sets the reset1 signal as active high.
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type: boolean
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adi,reset2-active-high:
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description: Sets the reset2 signal as active high.
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type: boolean
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adi,rst-passthrough-enable:
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description: Allows the RST pin to override (OR with) the reset1 signal.
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type: boolean
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adi,reset-trigger-ms:
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description:
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Defines the length of time that the reset events must be active before a
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reset signal is generated. All events must be active at the same time for
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the same duration.
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enum: [0, 1000, 1500, 2000, 2500, 3000, 3500, 4000]
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default: 0
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adi,reset-pulse-width-us:
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description: Defines the pulse width of the reset signals.
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enum: [500, 1000, 2000, 10000]
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default: 500
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patternProperties:
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"-hog(-[0-9]+)?$":
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type: object
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@@ -56,11 +134,28 @@ patternProperties:
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required:
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- gpio-hog
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dependencies:
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linux,keymap:
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- adi,keypad-pins
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- interrupts
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interrupt-controller:
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- interrupts
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adi,unlock-trigger-sec:
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- adi,unlock-events
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adi,reset1-active-high:
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- adi,reset1-events
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adi,rst-passtrough-enable:
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- adi,reset1-events
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adi,reset2-active-high:
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- adi,reset2-events
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required:
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- compatible
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- reg
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allOf:
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- $ref: /schemas/input/matrix-keymap.yaml#
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- $ref: /schemas/input/input.yaml#
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- if:
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properties:
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compatible:
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@@ -68,8 +163,29 @@ allOf:
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const: adi,adp5585-01
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then:
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properties:
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adi,unlock-events: false
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adi,unlock-trigger-sec: false
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gpio-reserved-ranges: false
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adi,keypad-pins:
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minItems: 2
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maxItems: 11
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items:
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minimum: 0
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maximum: 10
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adi,reset1-events:
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items:
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anyOf:
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- minimum: 1
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maximum: 30
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- minimum: 37
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maximum: 47
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adi,reset2-events:
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items:
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anyOf:
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- minimum: 1
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maximum: 30
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- minimum: 37
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maximum: 47
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- if:
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properties:
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compatible:
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@@ -81,6 +197,25 @@ allOf:
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- adi,adp5585-04
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then:
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properties:
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adi,unlock-events: false
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adi,unlock-trigger-sec: false
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adi,keypad-pins:
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minItems: 2
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maxItems: 10
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items:
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enum: [0, 1, 2, 3, 4, 6, 7, 8, 9, 10]
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adi,reset1-events:
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items:
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anyOf:
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- minimum: 1
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maximum: 25
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- enum: [37, 38, 39, 40, 41, 43, 44, 45, 46, 47]
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adi,reset2-events:
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items:
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anyOf:
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- minimum: 1
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maximum: 25
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- enum: [37, 38, 39, 40, 41, 43, 44, 45, 46, 47]
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gpio-reserved-ranges:
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maxItems: 1
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items:
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@@ -99,11 +234,33 @@ allOf:
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then:
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properties:
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gpio-reserved-ranges: false
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adi,keypad-pins:
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minItems: 2
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maxItems: 19
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items:
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minimum: 0
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maximum: 18
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adi,reset1-events:
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items:
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anyOf:
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- minimum: 1
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maximum: 88
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- minimum: 97
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maximum: 115
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adi,reset2-events:
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items:
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anyOf:
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- minimum: 1
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maximum: 88
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- minimum: 97
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maximum: 115
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additionalProperties: false
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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/irq.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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@@ -119,6 +276,33 @@ examples:
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gpio-reserved-ranges = <5 1>;
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#pwm-cells = <3>;
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interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
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interrupt-parent = <&gpio>;
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adi,reset1-events = <1 43>;
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adi,reset2-events = <2 3>;
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adi,reset-trigger-ms = <2000>;
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/*
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* col0, col1, col2
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* row0, row1, row2
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*/
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adi,keypad-pins = <0 1 2 6 7 8>;
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linux,keymap = <
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MATRIX_KEY(0x00, 0x00, KEY_1)
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MATRIX_KEY(0x00, 0x01, KEY_2)
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MATRIX_KEY(0x00, 0x02, KEY_3)
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MATRIX_KEY(0x01, 0x00, KEY_A)
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MATRIX_KEY(0x01, 0x01, KEY_B)
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MATRIX_KEY(0x01, 0x02, KEY_C)
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MATRIX_KEY(0x02, 0x00, BTN_1)
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MATRIX_KEY(0x02, 0x01, BTN_2)
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MATRIX_KEY(0x02, 0x02, BTN_3)
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>;
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};
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};
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