84 lines
1.7 KiB
Plaintext
84 lines
1.7 KiB
Plaintext
|
ST-Ericsson Ux500 boards
|
||
|
------------------------
|
||
|
|
||
|
Required properties (in root node) one of these:
|
||
|
compatible = "st-ericsson,mop500" (legacy)
|
||
|
compatible = "st-ericsson,u8500"
|
||
|
|
||
|
Required node (under root node):
|
||
|
|
||
|
soc: represents the system-on-chip and contains the chip
|
||
|
peripherals
|
||
|
|
||
|
Required property of soc node, one of these:
|
||
|
compatible = "stericsson,db8500"
|
||
|
|
||
|
Required subnodes under soc node:
|
||
|
|
||
|
backupram: (used for CPU spin tables and for storing data
|
||
|
during retention, system won't boot without this):
|
||
|
compatible = "ste,dbx500-backupram"
|
||
|
|
||
|
scu:
|
||
|
see binding for arm/scu.txt
|
||
|
|
||
|
interrupt-controller:
|
||
|
see binding for interrupt-controller/arm,gic.txt
|
||
|
|
||
|
timer:
|
||
|
see binding for arm/twd.txt
|
||
|
|
||
|
clocks:
|
||
|
see binding for clocks/ux500.txt
|
||
|
|
||
|
Example:
|
||
|
|
||
|
/dts-v1/;
|
||
|
|
||
|
/ {
|
||
|
model = "ST-Ericsson HREF (pre-v60) and ST UIB";
|
||
|
compatible = "st-ericsson,mop500", "st-ericsson,u8500";
|
||
|
|
||
|
soc {
|
||
|
#address-cells = <1>;
|
||
|
#size-cells = <1>;
|
||
|
compatible = "stericsson,db8500";
|
||
|
interrupt-parent = <&intc>;
|
||
|
ranges;
|
||
|
|
||
|
backupram@80150000 {
|
||
|
compatible = "ste,dbx500-backupram";
|
||
|
reg = <0x80150000 0x2000>;
|
||
|
};
|
||
|
|
||
|
intc: interrupt-controller@a0411000 {
|
||
|
compatible = "arm,cortex-a9-gic";
|
||
|
#interrupt-cells = <3>;
|
||
|
#address-cells = <1>;
|
||
|
interrupt-controller;
|
||
|
reg = <0xa0411000 0x1000>,
|
||
|
<0xa0410100 0x100>;
|
||
|
};
|
||
|
|
||
|
scu@a04100000 {
|
||
|
compatible = "arm,cortex-a9-scu";
|
||
|
reg = <0xa0410000 0x100>;
|
||
|
};
|
||
|
|
||
|
timer@a0410600 {
|
||
|
compatible = "arm,cortex-a9-twd-timer";
|
||
|
reg = <0xa0410600 0x20>;
|
||
|
interrupts = <1 13 0x304>; /* IRQ level high per-CPU */
|
||
|
clocks = <&smp_twd_clk>;
|
||
|
};
|
||
|
|
||
|
clocks {
|
||
|
compatible = "stericsson,u8500-clks";
|
||
|
|
||
|
smp_twd_clk: smp-twd-clock {
|
||
|
#clock-cells = <0>;
|
||
|
};
|
||
|
};
|
||
|
};
|
||
|
};
|