Commit 2fab5aba authored by James Ogletree's avatar James Ogletree Committed by Lee Jones
Browse files

dt-bindings: input: cirrus,cs40l50: Add initial DT binding



CS40L50 is a haptic driver with waveform memory,
integrated DSP, and closed-loop algorithms.

Add a YAML DT binding document for this device.

Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarJames Ogletree <jogletre@opensource.cirrus.com>
Reviewed-by: default avatarJeff LaBundy <jeff@labundy.com>
Link: https://lore.kernel.org/r/20240620161745.2312359-3-jogletre@opensource.cirrus.com


Signed-off-by: default avatarLee Jones <lee@kernel.org>
parent 205fdba5
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/input/cirrus,cs40l50.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Cirrus Logic CS40L50 Advanced Haptic Driver

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

description:
  CS40L50 is a haptic driver with waveform memory,
  integrated DSP, and closed-loop algorithms.

properties:
  compatible:
    enum:
      - cirrus,cs40l50

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  reset-gpios:
    maxItems: 1

  vdd-a-supply:
    description: Power supply for internal analog circuits.

  vdd-p-supply:
    description: Power supply for always-on circuits.

  vdd-io-supply:
    description: Power supply for digital input/output.

  vdd-b-supply:
    description: Power supply for the boost converter.

required:
  - compatible
  - reg
  - interrupts
  - reset-gpios
  - vdd-io-supply

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/interrupt-controller/irq.h>

    i2c {
      #address-cells = <1>;
      #size-cells = <0>;

      haptic-driver@34 {
        compatible = "cirrus,cs40l50";
        reg = <0x34>;
        interrupt-parent = <&gpio>;
        interrupts = <113 IRQ_TYPE_LEVEL_LOW>;
        reset-gpios = <&gpio 112 GPIO_ACTIVE_LOW>;
        vdd-io-supply = <&vreg>;
      };
    };
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@@ -5206,6 +5206,14 @@ F: sound/pci/hda/hda_component*
F:	sound/pci/hda/hda_cs_dsp_ctl.*
F:	sound/soc/codecs/cs*
CIRRUS LOGIC HAPTIC DRIVERS
M:	James Ogletree <jogletre@opensource.cirrus.com>
M:	Fred Treven <fred.treven@cirrus.com>
M:	Ben Bright <ben.bright@cirrus.com>
L:	patches@opensource.cirrus.com
S:	Supported
F:	Documentation/devicetree/bindings/input/cirrus,cs40l50.yaml
CIRRUS LOGIC DSP FIRMWARE DRIVER
M:	Simon Trimmer <simont@opensource.cirrus.com>
M:	Charles Keepax <ckeepax@opensource.cirrus.com>