282 lines
7.0 KiB
YAML
282 lines
7.0 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/leds/leds-lp55xx.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: TI/National Semiconductor LP55xx and LP8501 LED Drivers
|
|
|
|
maintainers:
|
|
- Jacek Anaszewski <jacek.anaszewski@gmail.com>
|
|
- Pavel Machek <pavel@ucw.cz>
|
|
|
|
description: |
|
|
Bindings for the TI/National Semiconductor LP55xx and LP8501 multi channel
|
|
LED Drivers.
|
|
|
|
For more product information please see the link below:
|
|
https://www.ti.com/lit/gpn/lp5521
|
|
https://www.ti.com/lit/gpn/lp5523
|
|
https://www.ti.com/lit/gpn/lp55231
|
|
https://www.ti.com/lit/gpn/lp5562
|
|
https://www.ti.com/lit/gpn/lp8501
|
|
|
|
properties:
|
|
compatible:
|
|
enum:
|
|
- national,lp5521
|
|
- national,lp5523
|
|
- ti,lp55231
|
|
- ti,lp5562
|
|
- ti,lp8501
|
|
|
|
reg:
|
|
maxItems: 1
|
|
description: I2C slave address
|
|
|
|
clock-mode:
|
|
$ref: /schemas/types.yaml#/definitions/uint8
|
|
description: |
|
|
Input clock mode
|
|
enum:
|
|
- 0 # automode
|
|
- 1 # internal
|
|
- 2 # external
|
|
|
|
enable-gpios:
|
|
maxItems: 1
|
|
description: |
|
|
GPIO attached to the chip's enable pin
|
|
|
|
label: true
|
|
|
|
pwr-sel:
|
|
$ref: /schemas/types.yaml#/definitions/uint8
|
|
description: |
|
|
LP8501 specific property. Power selection for output channels.
|
|
enum:
|
|
- 0 # D1~9 are connected to VDD
|
|
- 1 # D1~6 with VDD, D7~9 with VOUT
|
|
- 2 # D1~6 with VOUT, D7~9 with VDD
|
|
- 3 # D1~9 are connected to VOUT
|
|
|
|
'#address-cells':
|
|
const: 1
|
|
|
|
'#size-cells':
|
|
const: 0
|
|
|
|
ti,charge-pump-mode:
|
|
description:
|
|
Set the operating mode of the internal charge pump as defined in
|
|
<dt-bindings/leds/leds-lp55xx.h>.
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
default: 3 # auto
|
|
maximum: 3
|
|
|
|
patternProperties:
|
|
'^multi-led@[0-8]$':
|
|
type: object
|
|
$ref: leds-class-multicolor.yaml#
|
|
unevaluatedProperties: false
|
|
|
|
properties:
|
|
reg:
|
|
maximum: 8
|
|
|
|
'#address-cells':
|
|
const: 1
|
|
|
|
'#size-cells':
|
|
const: 0
|
|
|
|
patternProperties:
|
|
"^led@[0-8]$":
|
|
type: object
|
|
$ref: common.yaml#
|
|
unevaluatedProperties: false
|
|
|
|
properties:
|
|
led-cur:
|
|
$ref: /schemas/types.yaml#/definitions/uint8
|
|
description: |
|
|
Current setting at each LED channel (mA x10, 0 if LED is not connected)
|
|
minimum: 0
|
|
maximum: 255
|
|
|
|
max-cur:
|
|
$ref: /schemas/types.yaml#/definitions/uint8
|
|
description: Maximum current at each LED channel.
|
|
|
|
reg:
|
|
maximum: 8
|
|
|
|
required:
|
|
- reg
|
|
|
|
"^led@[0-8]$":
|
|
type: object
|
|
$ref: common.yaml#
|
|
unevaluatedProperties: false
|
|
|
|
properties:
|
|
led-cur:
|
|
$ref: /schemas/types.yaml#/definitions/uint8
|
|
description: |
|
|
Current setting at each LED channel (mA x10, 0 if LED is not connected)
|
|
minimum: 0
|
|
maximum: 255
|
|
|
|
max-cur:
|
|
$ref: /schemas/types.yaml#/definitions/uint8
|
|
description: Maximum current at each LED channel.
|
|
|
|
reg:
|
|
description: |
|
|
Output channel for the LED. This is zero based channel identifier and
|
|
the data sheet is a one based channel identifier.
|
|
reg value to output to LED output number
|
|
enum:
|
|
- 0 # LED output D1
|
|
- 1 # LED output D2
|
|
- 2 # LED output D3
|
|
- 3 # LED output D4
|
|
- 4 # LED output D5
|
|
- 5 # LED output D6
|
|
- 6 # LED output D7
|
|
- 7 # LED output D8
|
|
- 8 # LED output D9
|
|
|
|
chan-name:
|
|
$ref: /schemas/types.yaml#/definitions/string
|
|
description: name of channel
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/leds/common.h>
|
|
#include <dt-bindings/leds/leds-lp55xx.h>
|
|
|
|
i2c {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
led-controller@32 {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
compatible = "ti,lp8501";
|
|
reg = <0x32>;
|
|
clock-mode = /bits/ 8 <2>;
|
|
pwr-sel = /bits/ 8 <3>; /* D1~9 connected to VOUT */
|
|
ti,charge-pump-mode = <LP55XX_CP_BYPASS>;
|
|
|
|
led@0 {
|
|
reg = <0>;
|
|
chan-name = "d1";
|
|
led-cur = /bits/ 8 <0x14>;
|
|
max-cur = /bits/ 8 <0x20>;
|
|
};
|
|
|
|
led@1 {
|
|
reg = <1>;
|
|
chan-name = "d2";
|
|
led-cur = /bits/ 8 <0x14>;
|
|
max-cur = /bits/ 8 <0x20>;
|
|
};
|
|
|
|
led@2 {
|
|
reg = <2>;
|
|
chan-name = "d3";
|
|
led-cur = /bits/ 8 <0x14>;
|
|
max-cur = /bits/ 8 <0x20>;
|
|
};
|
|
|
|
led@3 {
|
|
reg = <3>;
|
|
chan-name = "d4";
|
|
led-cur = /bits/ 8 <0x14>;
|
|
max-cur = /bits/ 8 <0x20>;
|
|
};
|
|
|
|
led@4 {
|
|
reg = <4>;
|
|
chan-name = "d5";
|
|
led-cur = /bits/ 8 <0x14>;
|
|
max-cur = /bits/ 8 <0x20>;
|
|
};
|
|
|
|
led@5 {
|
|
reg = <5>;
|
|
chan-name = "d6";
|
|
led-cur = /bits/ 8 <0x14>;
|
|
max-cur = /bits/ 8 <0x20>;
|
|
};
|
|
|
|
led@6 {
|
|
reg = <6>;
|
|
chan-name = "d7";
|
|
led-cur = /bits/ 8 <0x14>;
|
|
max-cur = /bits/ 8 <0x20>;
|
|
};
|
|
|
|
led@7 {
|
|
reg = <7>;
|
|
chan-name = "d8";
|
|
led-cur = /bits/ 8 <0x14>;
|
|
max-cur = /bits/ 8 <0x20>;
|
|
};
|
|
|
|
led@8 {
|
|
reg = <8>;
|
|
chan-name = "d9";
|
|
led-cur = /bits/ 8 <0x14>;
|
|
max-cur = /bits/ 8 <0x20>;
|
|
};
|
|
};
|
|
|
|
led-controller@33 {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
compatible = "national,lp5523";
|
|
reg = <0x33>;
|
|
clock-mode = /bits/ 8 <0>;
|
|
|
|
multi-led@2 {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
reg = <0x2>;
|
|
color = <LED_COLOR_ID_RGB>;
|
|
function = LED_FUNCTION_STANDBY;
|
|
linux,default-trigger = "heartbeat";
|
|
|
|
led@0 {
|
|
led-cur = /bits/ 8 <50>;
|
|
max-cur = /bits/ 8 <100>;
|
|
reg = <0x0>;
|
|
color = <LED_COLOR_ID_GREEN>;
|
|
};
|
|
|
|
led@1 {
|
|
led-cur = /bits/ 8 <50>;
|
|
max-cur = /bits/ 8 <100>;
|
|
reg = <0x1>;
|
|
color = <LED_COLOR_ID_BLUE>;
|
|
};
|
|
|
|
led@6 {
|
|
led-cur = /bits/ 8 <50>;
|
|
max-cur = /bits/ 8 <100>;
|
|
reg = <0x6>;
|
|
color = <LED_COLOR_ID_RED>;
|
|
};
|
|
};
|
|
};
|
|
};
|
|
|
|
...
|