boards.txt

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    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/arm,scu.yaml
   24 
   25 interrupt-controller:
   26         see binding for interrupt-controller/arm,gic.txt
   27 
   28 timer:
   29         see binding for timer/arm,twd-timer.yaml
   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@a0410000 {
   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 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/arm/ux500/boards.txt

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sys/contrib/device-tree/Bindings/arm/ux500/boards.txt