linux-stable/Documentation/devicetree/bindings/leds/nxp,pca953x.yaml
Wadim Egorov 9f6ffd0da6 dt-bindings: leds: Convert PCA9532 to dtschema
Convert the PCA9532 LED Dimmer to dtschema.
While at it, update the example to match recommended node names and
the link to the product datasheet. Also add GPIO properties since
the driver allows to use unused pins as GPIOs.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230412140552.451527-1-w.egorov@phytec.de
2023-04-20 12:28:02 +01:00

90 lines
1.8 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/leds/nxp,pca953x.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: NXP PCA9532 LED Dimmer
maintainers:
- Riku Voipio <riku.voipio@iki.fi>
description: |
The PCA9532 family is SMBus I/O expander optimized for dimming LEDs.
The PWM support 256 steps.
For more product information please see the link below:
https://www.nxp.com/docs/en/data-sheet/PCA9532.pdf
properties:
compatible:
enum:
- nxp,pca9530
- nxp,pca9531
- nxp,pca9532
- nxp,pca9533
reg:
maxItems: 1
gpio-controller: true
'#gpio-cells':
const: 2
patternProperties:
"^led-[0-9a-z]+$":
type: object
$ref: common.yaml#
unevaluatedProperties: false
properties:
type:
description: |
Output configuration, see include/dt-bindings/leds/leds-pca9532.h
$ref: /schemas/types.yaml#/definitions/uint32
default: 0
minimum: 0
maximum: 4
required:
- compatible
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/leds/leds-pca9532.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
led-controller@62 {
compatible = "nxp,pca9533";
reg = <0x62>;
led-1 {
label = "pca:red:power";
type = <PCA9532_TYPE_LED>;
};
led-2 {
label = "pca:green:power";
type = <PCA9532_TYPE_LED>;
};
led-3 {
type = <PCA9532_TYPE_LED>;
default-state = "on";
};
led-4 {
type = <PCA9532_TYPE_LED>;
default-state = "keep";
};
};
};
...