mirror of
https://github.com/torvalds/linux.git
synced 2026-04-18 14:53:58 -04:00
b2c87f5e98
Convert the TI LM3697 LED driver binding to DT schema format. It's a straight-forward conversion. Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/20260121235746.370607-1-robh@kernel.org Signed-off-by: Lee Jones <lee@kernel.org>
126 lines
2.8 KiB
YAML
126 lines
2.8 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/leds/ti,lm3697.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: TI LM3697 Highly Efficient White LED Driver
|
|
|
|
maintainers:
|
|
- Dan Murphy <dmurphy@ti.com>
|
|
|
|
description: >
|
|
The LM3697 11-bit LED driver provides high-performance backlight dimming for
|
|
1, 2, or 3 series LED strings while delivering up to 90% efficiency.
|
|
|
|
This device is suitable for display and keypad lighting.
|
|
|
|
properties:
|
|
compatible:
|
|
const: ti,lm3697
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
'#address-cells':
|
|
const: 1
|
|
|
|
'#size-cells':
|
|
const: 0
|
|
|
|
enable-gpios:
|
|
description: GPIO pin to enable or disable the device.
|
|
maxItems: 1
|
|
|
|
vled-supply:
|
|
description: LED supply for the device.
|
|
|
|
patternProperties:
|
|
'^led@[01]$':
|
|
description: LED control bank nodes.
|
|
$ref: common.yaml#
|
|
unevaluatedProperties: false
|
|
|
|
properties:
|
|
reg:
|
|
description: Control bank selection (0 = bank A, 1 = bank B).
|
|
maximum: 1
|
|
|
|
led-sources:
|
|
description: >
|
|
HVLED strings associated with this control bank:
|
|
|
|
0 - HVLED1
|
|
1 - HVLED2
|
|
2 - HVLED3
|
|
minItems: 1
|
|
maxItems: 3
|
|
items:
|
|
maximum: 2
|
|
|
|
ti,brightness-resolution:
|
|
description: Brightness resolution for the LED string.
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
maximum: 2047
|
|
|
|
ramp-up-us:
|
|
description: Ramp-up time in microseconds.
|
|
minimum: 117
|
|
maximum: 2048
|
|
|
|
ramp-down-us:
|
|
description: Ramp-down time in microseconds.
|
|
minimum: 117
|
|
maximum: 2048
|
|
|
|
required:
|
|
- reg
|
|
- led-sources
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- '#address-cells'
|
|
- '#size-cells'
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/gpio/gpio.h>
|
|
|
|
i2c {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
led-controller@36 {
|
|
compatible = "ti,lm3697";
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
reg = <0x36>;
|
|
|
|
enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
|
|
vled-supply = <&vbatt>;
|
|
|
|
led@0 {
|
|
reg = <0>;
|
|
led-sources = <0 2>;
|
|
ti,brightness-resolution = <2047>;
|
|
ramp-up-us = <500>;
|
|
ramp-down-us = <1000>;
|
|
label = "white:first_backlight_cluster";
|
|
linux,default-trigger = "backlight";
|
|
};
|
|
|
|
led@1 {
|
|
reg = <1>;
|
|
led-sources = <1>;
|
|
ti,brightness-resolution = <255>;
|
|
ramp-up-us = <500>;
|
|
ramp-down-us = <1000>;
|
|
label = "white:second_backlight_cluster";
|
|
linux,default-trigger = "backlight";
|
|
};
|
|
};
|
|
};
|