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author | Herbert Xu <herbert@gondor.apana.org.au> | 2012-05-15 11:21:26 +0400 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2012-05-15 11:21:26 +0400 |
commit | b29e2679d0da91c60d3ac190d9c3bd65ac2f68c5 (patch) | |
tree | 518ec8f4bfd316e91bcc30f434edb78529557eba /Documentation/devicetree/bindings/arm/twd.txt | |
parent | 8a63b1994c500d4825ee73dc71502deffe5b135b (diff) | |
parent | 4bb2d1009f671815870e8f78e826e4f9071392a7 (diff) | |
download | linux-b29e2679d0da91c60d3ac190d9c3bd65ac2f68c5.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Merge mainline to add prerequisite for ARM ux500 crypto support.
Diffstat (limited to 'Documentation/devicetree/bindings/arm/twd.txt')
-rw-r--r-- | Documentation/devicetree/bindings/arm/twd.txt | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/twd.txt b/Documentation/devicetree/bindings/arm/twd.txt new file mode 100644 index 000000000000..75b8610939fa --- /dev/null +++ b/Documentation/devicetree/bindings/arm/twd.txt @@ -0,0 +1,48 @@ +* ARM Timer Watchdog + +ARM 11MP, Cortex-A5 and Cortex-A9 are often associated with a per-core +Timer-Watchdog (aka TWD), which provides both a per-cpu local timer +and watchdog. + +The TWD is usually attached to a GIC to deliver its two per-processor +interrupts. + +** Timer node required properties: + +- compatible : Should be one of: + "arm,cortex-a9-twd-timer" + "arm,cortex-a5-twd-timer" + "arm,arm11mp-twd-timer" + +- interrupts : One interrupt to each core + +- reg : Specify the base address and the size of the TWD timer + register window. + +Example: + + twd-timer@2c000600 { + compatible = "arm,arm11mp-twd-timer""; + reg = <0x2c000600 0x20>; + interrupts = <1 13 0xf01>; + }; + +** Watchdog node properties: + +- compatible : Should be one of: + "arm,cortex-a9-twd-wdt" + "arm,cortex-a5-twd-wdt" + "arm,arm11mp-twd-wdt" + +- interrupts : One interrupt to each core + +- reg : Specify the base address and the size of the TWD watchdog + register window. + +Example: + + twd-watchdog@2c000620 { + compatible = "arm,arm11mp-twd-wdt"; + reg = <0x2c000620 0x20>; + interrupts = <1 14 0xf01>; + }; |