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The LP5860 is a LED matrix driver with 18 constant current sinks and 11 scan switches for 198 LED dots: * Supply range from 2.7 V to 5.5 V * 0.1mA - 50mA per current sink * 1MHz I2C and 12MHz SPI control interface * 8-bit analog dimming * 8/16-bit PWM dimming * individual ON and OFF control for each LED dot * globat 3-bit Maximum Current setting for all LED dots * individual LED dot open/short detection Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/20251201-v6-14-topic-ti-lp5860-v6-1-be9a21218157@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
112 lines
2.3 KiB
YAML
112 lines
2.3 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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$id: http://devicetree.org/schemas/leds/leds-lp5860.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: LED driver for LP5860 RGB LED from Texas Instruments.
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maintainers:
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- Steffen Trumtrar <kernel@pengutronix.de>
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description: |
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The LP5860 is multi-channel, I2C and SPI RGB LED Driver that can group RGB LEDs
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into a LED group or control them individually.
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For more product information please see the link below:
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https://www.ti.com/lit/ds/symlink/lp5860.pdf
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allOf:
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- $ref: /schemas/spi/spi-peripheral-props.yaml#
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properties:
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compatible:
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enum:
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- ti,lp5860
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reg:
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maxItems: 1
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'#address-cells':
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const: 1
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'#size-cells':
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const: 0
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patternProperties:
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'^multi-led@[0-9a-f]+$':
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type: object
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$ref: leds-class-multicolor.yaml#
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unevaluatedProperties: false
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properties:
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reg:
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minimum: 0
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maximum: 198
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description:
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This property denotes the LED module number that is used
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for the child node.
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'#address-cells':
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const: 1
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'#size-cells':
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const: 0
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patternProperties:
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"^led@[0-9a-f]+$":
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type: object
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$ref: common.yaml#
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unevaluatedProperties: false
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properties:
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reg:
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maxItems: 1
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required:
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- reg
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required:
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- compatible
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- reg
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/leds/common.h>
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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led-controller@0 {
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compatible = "ti,lp5860";
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reg = <0x0>;
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#address-cells = <1>;
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#size-cells = <0>;
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multi-led@0 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0x0>;
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color = <LED_COLOR_ID_RGB>;
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led@0 {
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reg = <0x0>;
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color = <LED_COLOR_ID_RED>;
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};
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led@1 {
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reg = <0x1>;
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color = <LED_COLOR_ID_GREEN>;
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};
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led@2 {
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reg = <0x2>;
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color = <LED_COLOR_ID_BLUE>;
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};
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};
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};
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};
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