leds-bcm63138.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/leds-bcm63138.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Broadcom's BCM63138 LEDs controller
    8 
    9 maintainers:
   10   - Rafał Miłecki <rafal@milecki.pl>
   11 
   12 description: |
   13   This LEDs controller was first used on BCM63138 and later reused on BCM4908,
   14   BCM6848, BCM6858, BCM63138, BCM63148, BCM63381 and BCM68360 SoCs.
   15 
   16   It supports up to 32 LEDs that can be connected parallelly or serially. It
   17   also includes limited support for hardware blinking.
   18 
   19   Binding serially connected LEDs isn't documented yet.
   20 
   21 properties:
   22   compatible:
   23     oneOf:
   24       - items:
   25           - enum:
   26               - brcm,bcm4908-leds
   27               - brcm,bcm6848-leds
   28               - brcm,bcm6858-leds
   29               - brcm,bcm63148-leds
   30               - brcm,bcm63381-leds
   31               - brcm,bcm68360-leds
   32           - const: brcm,bcm63138-leds
   33       - const: brcm,bcm63138-leds
   34 
   35   reg:
   36     maxItems: 1
   37 
   38   "#address-cells":
   39     const: 1
   40 
   41   "#size-cells":
   42     const: 0
   43 
   44 patternProperties:
   45   "^led@[a-f0-9]+$":
   46     type: object
   47 
   48     $ref: common.yaml#
   49 
   50     properties:
   51       reg:
   52         maxItems: 1
   53         description: LED pin number
   54 
   55       active-low:
   56         type: boolean
   57         description: Makes LED active low
   58 
   59     required:
   60       - reg
   61 
   62     unevaluatedProperties: false
   63 
   64 required:
   65   - reg
   66   - "#address-cells"
   67   - "#size-cells"
   68 
   69 additionalProperties: false
   70 
   71 examples:
   72   - |
   73     #include <dt-bindings/leds/common.h>
   74 
   75     leds@ff800800 {
   76         compatible = "brcm,bcm4908-leds", "brcm,bcm63138-leds";
   77         reg = <0xff800800 0xdc>;
   78 
   79         #address-cells = <1>;
   80         #size-cells = <0>;
   81 
   82         led@0 {
   83             reg = <0x0>;
   84             function = LED_FUNCTION_POWER;
   85             color = <LED_COLOR_ID_GREEN>;
   86             default-state = "on";
   87         };
   88 
   89         led@3 {
   90             reg = <0x3>;
   91             function = LED_FUNCTION_STATUS;
   92             color = <LED_COLOR_ID_GREEN>;
   93             active-low;
   94         };
   95     };

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sys/contrib/device-tree/Bindings/leds/leds-bcm63138.yaml