From 0075242b3a2f78901172aaadf73beed762a1f02f Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Thu, 19 Jan 2012 13:53:50 +0000 Subject: ARM: architected timers: add DT support Add runtime DT support and documentation for the Cortex A7/A15 architected timers. Signed-off-by: Will Deacon Signed-off-by: Marc Zyngier --- .../devicetree/bindings/arm/arch_timer.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/arch_timer.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/arm/arch_timer.txt b/Documentation/devicetree/bindings/arm/arch_timer.txt new file mode 100644 index 000000000000..52478c83d0cc --- /dev/null +++ b/Documentation/devicetree/bindings/arm/arch_timer.txt @@ -0,0 +1,27 @@ +* ARM architected timer + +ARM Cortex-A7 and Cortex-A15 have a per-core architected timer, which +provides per-cpu timers. + +The timer is attached to a GIC to deliver its per-processor interrupts. + +** Timer node properties: + +- compatible : Should at least contain "arm,armv7-timer". + +- interrupts : Interrupt list for secure, non-secure, virtual and + hypervisor timers, in that order. + +- clock-frequency : The frequency of the main counter, in Hz. Optional. + +Example: + + timer { + compatible = "arm,cortex-a15-timer", + "arm,armv7-timer"; + interrupts = <1 13 0xf08>, + <1 14 0xf08>, + <1 11 0xf08>, + <1 10 0xf08>; + clock-frequency = <100000000>; + }; -- cgit v1.2.3