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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/input/cirrus,cs40l50.yaml
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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/cirrus,cs40l50.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: Cirrus Logic CS40L50 Advanced Haptic Driver

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maintainers:

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  - James Ogletree <jogletre@opensource.cirrus.com>

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description:

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  CS40L50 is a haptic driver with waveform memory,

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  integrated DSP, and closed-loop algorithms.

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properties:

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  compatible:

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    enum:

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      - cirrus,cs40l50

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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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  reset-gpios:

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    maxItems: 1

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  vdd-a-supply:

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    description: Power supply for internal analog circuits.

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  vdd-p-supply:

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    description: Power supply for always-on circuits.

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  vdd-io-supply:

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    description: Power supply for digital input/output.

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  vdd-b-supply:

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    description: Power supply for the boost converter.

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required:

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  - compatible

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  - reg

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  - interrupts

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  - reset-gpios

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  - vdd-io-supply

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additionalProperties: false

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examples:

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  - |

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    #include <dt-bindings/gpio/gpio.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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      haptic-driver@34 {

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        compatible = "cirrus,cs40l50";

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        reg = <0x34>;

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        interrupt-parent = <&gpio>;

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        interrupts = <113 IRQ_TYPE_LEVEL_LOW>;

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        reset-gpios = <&gpio 112 GPIO_ACTIVE_LOW>;

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        vdd-io-supply = <&vreg>;

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      };

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    };

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