Documentation/devicetree/bindings/soc/rockchip/rockchip-pvtm.txt

   1 Rockchip pvtm device tree bindings
   2 ----------------------------------
   3
   4 The Process-Voltage-Temperature Monitor (PVTM) is used to monitor the chip
   5 performance variance caused by chip process, voltage and temperature.
   6
   7
   8 Required properties:
   9 - compatible: Should be one of the following.
  10  - "rockchip,rk3366-pvtm" - for RK3366 SoCs.
  11  - "rockchip,rk3366-pmu-pvtm" - for RK3366 SoCs.
  12  - "rockchip,rk3399-pvtm" - for RK3399 SoCs.
  13  - "rockchip,rk3399-pmu-pvtm" - for RK3399 SoCs.
  14 - clocks: list of the clock controller input clock identifiers.
  15 - clock-names: list of the clock controller input clock names.
  16
  17 Example:
  18
  19 grf: syscon@ff770000 {
  20         compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd";
  21         reg = <0x0 0xff770000 0x0 0x10000>;
  22         #address-cells = <1>;
  23         #size-cells = <1>;
  24
  25 ...
  26
  27         pvtm: pvtm {
  28                 compatible = "rockchip,rk3399-pvtm";
  29                 clocks = <&cru SCLK_PVTM_CORE_L>, <&cru SCLK_PVTM_CORE_B>,
  30                         <&cru SCLK_PVTM_GPU>, <&cru SCLK_PVTM_DDR>;
  31                 clock-names = "core_l", "core_b", "gpu", "ddr";
  32         };
  33 }