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

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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: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: James Ogletree <jogletre@opensource.cirrus.com>
Reviewed-by: Jeff LaBundy <jeff@labundy.com>
Link: https://lore.kernel.org/r/20240620161745.2312359-3-jogletre@opensource.cirrus.com
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
James Ogletree 2024-06-20 16:17:42 +00:00 committed by Lee Jones
parent 205fdba5d0
commit 2fab5abad1
2 changed files with 76 additions and 0 deletions
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68
Documentation/devicetree/bindings/input/cirrus,cs40l50.yaml Normal file
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@ -0,0 +1,68 @@
# 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>;
};
};

8
MAINTAINERS
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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>