issi,is31fl319x.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/leds/issi,is31fl319x.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: ISSI LED controllers bindings for IS31FL319{0,1,3,6,9}
    8 
    9 maintainers:
   10   - Vincent Knecht <vincent.knecht@mailoo.org>
   11 
   12 description: |
   13   The IS31FL319X are LED controllers with I2C interface.
   14   Previously known as Si-En SN319{0,1,3,6,9}.
   15 
   16   For more product information please see the links below:
   17     https://lumissil.com/assets/pdf/core/IS31FL3190_DS.pdf
   18     https://lumissil.com/assets/pdf/core/IS31FL3191_DS.pdf
   19     https://lumissil.com/assets/pdf/core/IS31FL3193_DS.pdf
   20     https://lumissil.com/assets/pdf/core/IS31FL3196_DS.pdf
   21     https://lumissil.com/assets/pdf/core/IS31FL3199_DS.pdf
   22 
   23 properties:
   24   compatible:
   25     enum:
   26       - issi,is31fl3190
   27       - issi,is31fl3191
   28       - issi,is31fl3193
   29       - issi,is31fl3196
   30       - issi,is31fl3199
   31       - si-en,sn3190
   32       - si-en,sn3191
   33       - si-en,sn3193
   34       - si-en,sn3196
   35       - si-en,sn3199
   36 
   37   reg:
   38     maxItems: 1
   39 
   40   shutdown-gpios:
   41     maxItems: 1
   42     description: GPIO attached to the SDB pin.
   43 
   44   audio-gain-db:
   45     $ref: /schemas/types.yaml#/definitions/uint32
   46     default: 0
   47     description: Audio gain selection for external analog modulation input.
   48     enum: [0, 3, 6, 9, 12, 15, 18, 21]
   49 
   50   "#address-cells":
   51     const: 1
   52 
   53   "#size-cells":
   54     const: 0
   55 
   56 patternProperties:
   57   "^led@[1-9]$":
   58     type: object
   59     $ref: common.yaml#
   60 
   61     properties:
   62       reg:
   63         description: Index of the LED.
   64         minimum: 1
   65         maximum: 9
   66 
   67       led-max-microamp:
   68         description:
   69           Note that a driver will take the lowest of all LED limits
   70           since the chip has a single global setting. The lowest value
   71           will be chosen due to the PWM specificity, where lower
   72           brightness is achieved by reducing the duty-cycle of pulses
   73           and not the current, which will always have its peak value
   74           equal to led-max-microamp.
   75 
   76 allOf:
   77   - if:
   78       properties:
   79         compatible:
   80           contains:
   81             enum:
   82               - issi,is31fl3190
   83               - issi,is31fl3191
   84               - issi,is31fl3193
   85               - si-en,sn3190
   86               - si-en,sn3191
   87               - si-en,sn3193
   88     then:
   89       properties:
   90         reg:
   91           enum: [0x68, 0x69, 0x6a, 0x6b]
   92 
   93         audio-gain-db: false
   94 
   95       patternProperties:
   96         "^led@[1-9]$":
   97           properties:
   98             led-max-microamp:
   99               default: 42000
  100               enum: [5000, 10000, 17500, 30000, 42000]
  101     else:
  102       properties:
  103         reg:
  104           enum: [0x64, 0x65, 0x66, 0x67]
  105 
  106       patternProperties:
  107         "^led@[1-9]$":
  108           properties:
  109             led-max-microamp:
  110               default: 20000
  111               enum: [5000, 10000, 15000, 20000, 25000, 30000, 35000, 40000]
  112   - if:
  113       properties:
  114         compatible:
  115           contains:
  116             enum:
  117               - issi,is31fl3190
  118               - issi,is31fl3191
  119               - si-en,sn3190
  120               - si-en,sn3191
  121     then:
  122       patternProperties:
  123         "^led@[1-9]$":
  124           properties:
  125             reg:
  126               maximum: 1
  127   - if:
  128       properties:
  129         compatible:
  130           contains:
  131             enum:
  132               - issi,is31fl3193
  133               - si-en,sn3193
  134     then:
  135       patternProperties:
  136         "^led@[1-9]$":
  137           properties:
  138             reg:
  139               maximum: 3
  140   - if:
  141       properties:
  142         compatible:
  143           contains:
  144             enum:
  145               - issi,is31fl3196
  146               - si-en,sn3196
  147     then:
  148       patternProperties:
  149         "^led@[1-9]$":
  150           properties:
  151             reg:
  152               maximum: 6
  153 
  154 required:
  155   - compatible
  156   - reg
  157   - "#address-cells"
  158   - "#size-cells"
  159 
  160 additionalProperties: false
  161 
  162 examples:
  163   - |
  164     #include <dt-bindings/gpio/gpio.h>
  165     #include <dt-bindings/leds/common.h>
  166 
  167     i2c0 {
  168         #address-cells = <1>;
  169         #size-cells = <0>;
  170 
  171         led-controller@65 {
  172             compatible = "issi,is31fl3196";
  173             reg = <0x65>;
  174             #address-cells = <1>;
  175             #size-cells = <0>;
  176 
  177             shutdown-gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
  178 
  179             led@1 {
  180                 reg = <1>;
  181                 label = "red:aux";
  182                 led-max-microamp = <10000>;
  183             };
  184 
  185             led@5 {
  186                 reg = <5>;
  187                 label = "green:power";
  188                 linux,default-trigger = "default-on";
  189             };
  190         };
  191     };
  192 ...
  193

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sys/contrib/device-tree/Bindings/leds/issi,is31fl319x.yaml