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📄 ams,as3645a.txt(2.44 KB)
📁 backlight
📄 common.txt(38 B)
📄 common.yaml(7.81 KB)
📄 cznic,turris-omnia-leds.yaml(2.17 KB)
📁 irled
📄 leds-aat1290.txt(2.86 KB)
📄 leds-an30259a.txt(1.33 KB)
📄 leds-aw2013.yaml(1.86 KB)
📄 leds-bcm6328.txt(8.25 KB)
📄 leds-bcm6358.txt(2.97 KB)
📄 leds-class-multicolor.yaml(1.22 KB)
📄 leds-cpcap.txt(939 B)
📄 leds-cr0014114.txt(1.37 KB)
📄 leds-el15203000.txt(1.69 KB)
📄 leds-gpio.yaml(2.04 KB)
📄 leds-is31fl319x.txt(1.63 KB)
📄 leds-is31fl32xx.txt(1.14 KB)
📄 leds-ktd2692.txt(1.65 KB)
📄 leds-lm3532.txt(3.59 KB)
📄 leds-lm3601x.txt(1.34 KB)
📄 leds-lm36274.txt(2.18 KB)
📄 leds-lm3692x.txt(1.84 KB)
📄 leds-lm3697.txt(2.03 KB)
📄 leds-lp55xx.txt(4.26 KB)
📄 leds-lp55xx.yaml(5.57 KB)
📄 leds-lp8860.txt(1.26 KB)
📄 leds-lt3593.txt(1.13 KB)
📄 leds-max77650.yaml(1.03 KB)
📄 leds-mt6323.txt(1.62 KB)
📄 leds-netxbig.txt(2.3 KB)
📄 leds-ns2.txt(1.05 KB)
📄 leds-pca9532.txt(1.31 KB)
📄 leds-pca955x.txt(1.88 KB)
📄 leds-pm8058.txt(1.96 KB)
📄 leds-powernv.txt(613 B)
📄 leds-pwm.txt(1.36 KB)
📄 leds-sc27xx-bltc.txt(993 B)
📄 leds-sgm3140.yaml(1.42 KB)
📄 leds-spi-byte.txt(1.25 KB)
📄 leds-tlc591xx.txt(786 B)
📄 leds-trigger-pattern.txt(1.96 KB)
📄 pca963x.txt(1.44 KB)
📄 register-bit-led.txt(2.3 KB)
📄 rohm,bd71828-leds.yaml(1.42 KB)
📄 tca6507.txt(1.01 KB)
📄 trigger-source.yaml(646 B)

Editing: leds-lp55xx.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-gpio:
    maxItems: 1
    description: |
      GPIO attached to the chip's enable pin

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

patternProperties:
  "(^led@[0-9a-f]$|led)":
    type: object
    $ref: common.yaml#
    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: Maximun 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

examples:
  - |
   #include <dt-bindings/leds/common.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 */

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_MULTI>;
               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>;
               };
            };
        };
    };

...

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