Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt

   1 Hisilicon Platforms Device Tree Bindings
   2 ----------------------------------------------------
   3
   4 Hi4511 Board
   5 Required root node properties:
   6         - compatible = "hisilicon,hi3620-hi4511";
   7
   8 HiP04 D01 Board
   9 Required root node properties:
  10         - compatible = "hisilicon,hip04-d01";
  11
  12
  13 Hisilicon system controller
  14
  15 Required properties:
  16 - compatible : "hisilicon,sysctrl"
  17 - reg : Register address and size
  18
  19 Optional properties:
  20 - smp-offset : offset in sysctrl for notifying slave cpu booting
  21                 cpu 1, reg;
  22                 cpu 2, reg + 0x4;
  23                 cpu 3, reg + 0x8;
  24                 If reg value is not zero, cpun exit wfi and go
  25 - resume-offset : offset in sysctrl for notifying cpu0 when resume
  26 - reboot-offset : offset in sysctrl for system reboot
  27
  28 Example:
  29
  30         /* for Hi3620 */
  31         sysctrl: system-controller@fc802000 {
  32                 compatible = "hisilicon,sysctrl";
  33                 reg = <0xfc802000 0x1000>;
  34                 smp-offset = <0x31c>;
  35                 resume-offset = <0x308>;
  36                 reboot-offset = <0x4>;
  37         };
  38
  39 -----------------------------------------------------------------------
  40 Hisilicon CPU controller
  41
  42 Required properties:
  43 - compatible : "hisilicon,cpuctrl"
  44 - reg : Register address and size
  45
  46 The clock registers and power registers of secondary cores are defined
  47 in CPU controller, especially in HIX5HD2 SoC.
  48
  49 -----------------------------------------------------------------------
  50 PCTRL: Peripheral misc control register
  51
  52 Required Properties:
  53 - compatible: "hisilicon,pctrl"
  54 - reg: Address and size of pctrl.
  55
  56 Example:
  57
  58         /* for Hi3620 */
  59         pctrl: pctrl@fca09000 {
  60                 compatible = "hisilicon,pctrl";
  61                 reg = <0xfca09000 0x1000>;
  62         };
  63
  64 -----------------------------------------------------------------------
  65 Fabric:
  66
  67 Required Properties:
  68 - compatible: "hisilicon,hip04-fabric";
  69 - reg: Address and size of Fabric
  70
  71 -----------------------------------------------------------------------
  72 Bootwrapper boot method (software protocol on SMP):
  73
  74 Required Properties:
  75 - compatible: "hisilicon,hip04-bootwrapper";
  76 - boot-method: Address and size of boot method.
  77   [0]: bootwrapper physical address
  78   [1]: bootwrapper size
  79   [2]: relocation physical address
  80   [3]: relocation size