allwinner,sun4i-a10-pwm.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/pwm/allwinner,sun4i-a10-pwm.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Allwinner A10 PWM Device Tree Bindings
    8 
    9 maintainers:
   10   - Chen-Yu Tsai <wens@csie.org>
   11   - Maxime Ripard <mripard@kernel.org>
   12 
   13 properties:
   14   "#pwm-cells":
   15     const: 3
   16 
   17   compatible:
   18     oneOf:
   19       - const: allwinner,sun4i-a10-pwm
   20       - const: allwinner,sun5i-a10s-pwm
   21       - const: allwinner,sun5i-a13-pwm
   22       - const: allwinner,sun7i-a20-pwm
   23       - const: allwinner,sun8i-h3-pwm
   24       - items:
   25           - const: allwinner,sun8i-a83t-pwm
   26           - const: allwinner,sun8i-h3-pwm
   27       - items:
   28           - const: allwinner,sun8i-v3s-pwm
   29           - const: allwinner,sun7i-a20-pwm
   30       - items:
   31           - const: allwinner,sun50i-a64-pwm
   32           - const: allwinner,sun5i-a13-pwm
   33       - items:
   34           - const: allwinner,sun50i-h5-pwm
   35           - const: allwinner,sun5i-a13-pwm
   36       - const: allwinner,sun50i-h6-pwm
   37 
   38   reg:
   39     maxItems: 1
   40 
   41   clocks:
   42     minItems: 1
   43     items:
   44       - description: Module Clock
   45       - description: Bus Clock
   46 
   47   # Even though it only applies to subschemas under the conditionals,
   48   # not listing them here will trigger a warning because of the
   49   # additionalsProperties set to false.
   50   clock-names: true
   51 
   52   resets:
   53     maxItems: 1
   54 
   55 
   56 allOf:
   57   - $ref: pwm.yaml#
   58 
   59   - if:
   60       properties:
   61         compatible:
   62           contains:
   63             const: allwinner,sun50i-h6-pwm
   64 
   65     then:
   66       properties:
   67         clocks:
   68           maxItems: 2
   69 
   70         clock-names:
   71           items:
   72             - const: mod
   73             - const: bus
   74 
   75       required:
   76         - clock-names
   77         - resets
   78 
   79     else:
   80       properties:
   81         clocks:
   82           maxItems: 1
   83 
   84 required:
   85   - compatible
   86   - reg
   87   - clocks
   88 
   89 additionalProperties: false
   90 
   91 examples:
   92   - |
   93     pwm: pwm@1c20e00 {
   94         compatible = "allwinner,sun7i-a20-pwm";
   95         reg = <0x01c20e00 0xc>;
   96         clocks = <&osc24M>;
   97         #pwm-cells = <3>;
   98     };
   99 
  100   - |
  101     #include <dt-bindings/clock/sun50i-h6-ccu.h>
  102     #include <dt-bindings/reset/sun50i-h6-ccu.h>
  103 
  104     pwm@300a000 {
  105       compatible = "allwinner,sun50i-h6-pwm";
  106       reg = <0x0300a000 0x400>;
  107       clocks = <&osc24M>, <&ccu CLK_BUS_PWM>;
  108       clock-names = "mod", "bus";
  109       resets = <&ccu RST_BUS_PWM>;
  110       #pwm-cells = <3>;
  111     };
  112 
  113 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/pwm/allwinner,sun4i-a10-pwm.yaml

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sys/contrib/device-tree/Bindings/pwm/allwinner,sun4i-a10-pwm.yaml