pwm-rockchip.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/pwm/pwm-rockchip.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Rockchip PWM controller
    8 
    9 maintainers:
   10   - Heiko Stuebner <heiko@sntech.de>
   11 
   12 properties:
   13   compatible:
   14     oneOf:
   15       - const: rockchip,rk2928-pwm
   16       - const: rockchip,rk3288-pwm
   17       - const: rockchip,rk3328-pwm
   18       - const: rockchip,vop-pwm
   19       - items:
   20           - const: rockchip,rk3036-pwm
   21           - const: rockchip,rk2928-pwm
   22       - items:
   23           - enum:
   24               - rockchip,rk3368-pwm
   25               - rockchip,rk3399-pwm
   26               - rockchip,rv1108-pwm
   27           - const: rockchip,rk3288-pwm
   28       - items:
   29           - enum:
   30               - rockchip,px30-pwm
   31               - rockchip,rk3308-pwm
   32               - rockchip,rk3568-pwm
   33           - const: rockchip,rk3328-pwm
   34 
   35   reg:
   36     maxItems: 1
   37 
   38   clocks:
   39     minItems: 1
   40     maxItems: 2
   41 
   42   clock-names:
   43     maxItems: 2
   44 
   45   "#pwm-cells":
   46     enum: [2, 3]
   47     description:
   48       Must be 2 (rk2928) or 3 (rk3288 and later).
   49       See pwm.yaml for a description of the cell format.
   50 
   51 required:
   52   - compatible
   53   - reg
   54 
   55 allOf:
   56   - $ref: pwm.yaml#
   57 
   58   - if:
   59       properties:
   60         compatible:
   61           contains:
   62             enum:
   63               - rockchip,rk3328-pwm
   64               - rockchip,rv1108-pwm
   65 
   66     then:
   67       properties:
   68         clocks:
   69           items:
   70             - description: Used to derive the functional clock for the device.
   71             - description: Used as the APB bus clock.
   72 
   73         clock-names:
   74           items:
   75             - const: pwm
   76             - const: pclk
   77 
   78       required:
   79         - clocks
   80         - clock-names
   81 
   82     else:
   83       properties:
   84         clocks:
   85           maxItems: 1
   86           description:
   87             Used both to derive the functional clock
   88             for the device and as the bus clock.
   89 
   90       required:
   91         - clocks
   92 
   93 additionalProperties: false
   94 
   95 examples:
   96   - |
   97     #include <dt-bindings/clock/rk3188-cru-common.h>
   98     pwm0: pwm@20030000 {
   99       compatible = "rockchip,rk2928-pwm";
  100       reg = <0x20030000 0x10>;
  101       clocks = <&cru PCLK_PWM01>;
  102       #pwm-cells = <2>;
  103     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/pwm/pwm-rockchip.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/pwm/pwm-rockchip.yaml