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Commit 50243efd authored by Will Deacon's avatar Will Deacon
Browse files

ARM: perf: add devicetree bindings for 11MPcore, A5, A7 and A15 PMUs 



This patch adds separate devicetree bindings for 11MPcore and
Cortex-{A5,A7,A15} PMUs in preparation for improved devicetree parsing
in the ARM perf-event CPU PMU driver.

Cc: Grant Likely <grant.likely@secretlab.ca>
Acked-by: default avatarRob Herring <rob.herring@calxeda.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 7be2958e

Documentation/devicetree/bindings/arm/pmu.txt

+4 −0
Original line number Diff line number Diff line
@@ -7,8 +7,12 @@ representation in the device tree should be done as under:- 
Required properties:



- compatible : should be one of

	"arm,cortex-a15-pmu"

	"arm,cortex-a9-pmu"

	"arm,cortex-a8-pmu"

	"arm,cortex-a7-pmu"

	"arm,cortex-a5-pmu"

	"arm,arm11mpcore-pmu"

	"arm,arm1176-pmu"

	"arm,arm1136-pmu"

- interrupts : 1 combined interrupt or 1 per core.

arch/arm/kernel/perf_event.c

+5 −1
Original line number Diff line number Diff line
@@ -646,10 +646,14 @@ arch_initcall(cpu_pmu_reset); 
 * PMU platform driver and devicetree bindings.

 */

static struct of_device_id armpmu_of_device_ids[] = {

	{.compatible = "arm,cortex-a15-pmu"},

	{.compatible = "arm,cortex-a9-pmu"},

	{.compatible = "arm,cortex-a8-pmu"},

	{.compatible = "arm,arm1136-pmu"},

	{.compatible = "arm,cortex-a7-pmu"},

	{.compatible = "arm,cortex-a5-pmu"},

	{.compatible = "arm,arm11mpcore-pmu"},

	{.compatible = "arm,arm1176-pmu"},

	{.compatible = "arm,arm1136-pmu"},

	{},

};