pmu.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/arm/samsung/pmu.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Samsung Exynos SoC series Power Management Unit (PMU)
    8 
    9 maintainers:
   10   - Krzysztof Kozlowski <krzk@kernel.org>
   11 
   12 # Custom select to avoid matching all nodes with 'syscon'
   13 select:
   14   properties:
   15     compatible:
   16       contains:
   17         enum:
   18           - samsung,exynos3250-pmu
   19           - samsung,exynos4210-pmu
   20           - samsung,exynos4412-pmu
   21           - samsung,exynos5250-pmu
   22           - samsung,exynos5260-pmu
   23           - samsung,exynos5410-pmu
   24           - samsung,exynos5420-pmu
   25           - samsung,exynos5433-pmu
   26           - samsung,exynos7-pmu
   27           - samsung-s5pv210-pmu
   28   required:
   29     - compatible
   30 
   31 properties:
   32   compatible:
   33     items:
   34       - enum:
   35           - samsung,exynos3250-pmu
   36           - samsung,exynos4210-pmu
   37           - samsung,exynos4412-pmu
   38           - samsung,exynos5250-pmu
   39           - samsung,exynos5260-pmu
   40           - samsung,exynos5410-pmu
   41           - samsung,exynos5420-pmu
   42           - samsung,exynos5433-pmu
   43           - samsung,exynos7-pmu
   44           - samsung-s5pv210-pmu
   45       - const: syscon
   46 
   47   reg:
   48     maxItems: 1
   49 
   50   assigned-clock-parents: true
   51   assigned-clocks: true
   52 
   53   '#clock-cells':
   54     const: 1
   55 
   56   clock-names:
   57     description:
   58       List of clock names for particular CLKOUT mux inputs
   59     minItems: 1
   60     maxItems: 32
   61     items:
   62       pattern: '^clkout([0-9]|[12][0-9]|3[0-1])$'
   63 
   64   clocks:
   65     minItems: 1
   66     maxItems: 32
   67 
   68   interrupt-controller:
   69     description:
   70       Some PMUs are capable of behaving as an interrupt controller (mostly
   71       to wake up a suspended PMU).
   72 
   73   '#interrupt-cells':
   74     description:
   75       Must be identical to the that of the parent interrupt controller.
   76     const: 3
   77 
   78   syscon-poweroff:
   79     $ref: "../../power/reset/syscon-poweroff.yaml#"
   80     type: object
   81     description:
   82       Node for power off method
   83 
   84   syscon-reboot:
   85     $ref: "../../power/reset/syscon-reboot.yaml#"
   86     type: object
   87     description:
   88       Node for reboot method
   89 
   90 required:
   91   - compatible
   92   - reg
   93 
   94 additionalProperties: false
   95 
   96 allOf:
   97   - if:
   98       properties:
   99         compatible:
  100           contains:
  101             enum:
  102               - samsung,exynos3250-pmu
  103               - samsung,exynos4210-pmu
  104               - samsung,exynos4412-pmu
  105               - samsung,exynos5250-pmu
  106               - samsung,exynos5410-pmu
  107               - samsung,exynos5420-pmu
  108               - samsung,exynos5433-pmu
  109     then:
  110       required:
  111         - '#clock-cells'
  112         - clock-names
  113         - clocks
  114 
  115 examples:
  116   - |
  117     #include <dt-bindings/clock/exynos5250.h>
  118 
  119     pmu_system_controller: system-controller@10040000 {
  120         compatible = "samsung,exynos5250-pmu", "syscon";
  121         reg = <0x10040000 0x5000>;
  122         interrupt-controller;
  123         #interrupt-cells = <3>;
  124         interrupt-parent = <&gic>;
  125         #clock-cells = <1>;
  126         clock-names = "clkout16";
  127         clocks = <&clock CLK_FIN_PLL>;
  128     };

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sys/contrib/device-tree/Bindings/arm/samsung/pmu.yaml