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2fab5abad1
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>
69 lines
1.4 KiB
YAML
69 lines
1.4 KiB
YAML
# 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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