Documentation/devicetree/bindings/devfreq/event/rockchip,dfi.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/devfreq/event/rockchip,dfi.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Rockchip DFI
   8
   9 maintainers:
  10   - Sascha Hauer <s.hauer@pengutronix.de>
  11
  12 properties:
  13   compatible:
  14     enum:
  15       - rockchip,rk3399-dfi
  16       - rockchip,rk3568-dfi
  17       - rockchip,rk3588-dfi
  18
  19   clocks:
  20     maxItems: 1
  21
  22   clock-names:
  23     items:
  24       - const: pclk_ddr_mon
  25
  26   interrupts:
  27     minItems: 1
  28     maxItems: 4
  29
  30   reg:
  31     maxItems: 1
  32
  33   rockchip,pmu:
  34     $ref: /schemas/types.yaml#/definitions/phandle
  35     description:
  36       Phandle to the syscon managing the "PMU general register files".
  37
  38 required:
  39   - compatible
  40   - interrupts
  41   - reg
  42
  43 if:
  44   properties:
  45     compatible:
  46       contains:
  47         enum:
  48           - rockchip,rk3399-dfi
  49
  50 then:
  51   required:
  52     - clocks
  53     - clock-names
  54
  55 additionalProperties: false
  56
  57 examples:
  58   - |
  59     #include <dt-bindings/interrupt-controller/arm-gic.h>
  60     #include <dt-bindings/clock/rk3308-cru.h>
  61
  62     bus {
  63       #address-cells = <2>;
  64       #size-cells = <2>;
  65
  66       dfi: dfi@ff630000 {
  67         compatible = "rockchip,rk3399-dfi";
  68         reg = <0x00 0xff630000 0x00 0x4000>;
  69         interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH 0>;
  70         rockchip,pmu = <&pmugrf>;
  71         clocks = <&cru PCLK_DDR_MON>;
  72         clock-names = "pclk_ddr_mon";
  73       };
  74     };