Documentation/devicetree/bindings/arm/ux500/boards.txt

   1 ST-Ericsson Ux500 boards
   2 ------------------------
   3
   4 Required properties (in root node) one of these:
   5         compatible = "st-ericsson,mop500" (legacy)
   6         compatible = "st-ericsson,u8500"
   7
   8 Required node (under root node):
   9
  10 soc: represents the system-on-chip and contains the chip
  11 peripherals
  12
  13 Required property of soc node, one of these:
  14         compatible = "stericsson,db8500"
  15
  16 Required subnodes under soc node:
  17
  18 backupram: (used for CPU spin tables and for storing data
  19 during retention, system won't boot without this):
  20         compatible = "ste,dbx500-backupram"
  21
  22 scu:
  23         see binding for arm/scu.txt
  24
  25 interrupt-controller:
  26         see binding for arm/gic.txt
  27
  28 timer:
  29         see binding for arm/twd.txt
  30
  31 clocks:
  32         see binding for clocks/ux500.txt
  33
  34 Example:
  35
  36 /dts-v1/;
  37
  38 / {
  39         model = "ST-Ericsson HREF (pre-v60) and ST UIB";
  40         compatible = "st-ericsson,mop500", "st-ericsson,u8500";
  41
  42         soc {
  43                 #address-cells = <1>;
  44                 #size-cells = <1>;
  45                 compatible = "stericsson,db8500";
  46                 interrupt-parent = <&intc>;
  47                 ranges;
  48
  49                 backupram@80150000 {
  50                         compatible = "ste,dbx500-backupram";
  51                         reg = <0x80150000 0x2000>;
  52                 };
  53
  54                 intc: interrupt-controller@a0411000 {
  55                         compatible = "arm,cortex-a9-gic";
  56                         #interrupt-cells = <3>;
  57                         #address-cells = <1>;
  58                         interrupt-controller;
  59                         reg = <0xa0411000 0x1000>,
  60                               <0xa0410100 0x100>;
  61                 };
  62
  63                 scu@a04100000 {
  64                         compatible = "arm,cortex-a9-scu";
  65                         reg = <0xa0410000 0x100>;
  66                 };
  67
  68                 timer@a0410600 {
  69                         compatible = "arm,cortex-a9-twd-timer";
  70                         reg = <0xa0410600 0x20>;
  71                         interrupts = <1 13 0x304>; /* IRQ level high per-CPU */
  72                         clocks = <&smp_twd_clk>;
  73                 };
  74
  75                 clocks {
  76                         compatible = "stericsson,u8500-clks";
  77
  78                         smp_twd_clk: smp-twd-clock {
  79                                 #clock-cells = <0>;
  80                         };
  81                 };
  82         };
  83 };