mach-ux500: add DB5500 PMU resources

This adds the PMU resources necessary to get perf working with
the DB5500 ASIC.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 25 insertions, 3 deletions

diff --git a/arch/arm/mach-ux500/cpu-db5500.c b/arch/arm/mach-ux500/cpu-db5500.c
index af04e0891a78..38a01c361263 100644
--- a/arch/arm/mach-ux500/cpu-db5500.c
+++ b/arch/arm/mach-ux500/cpu-db5500.c
@@ -11,6 +11,7 @@
 #include <linux/irq.h>
 
 #include <asm/mach/map.h>
+#include <asm/pmu.h>
 
 #include <plat/gpio.h>
 
@@ -43,6 +44,26 @@ static struct map_desc u5500_io_desc[] __initdata = {
         __IO_DEV_DESC(U5500_PRCMU_BASE, SZ_4K),
 };
 
+static struct resource db5500_pmu_resources[] = {
+        [0] = {
+                .start          = IRQ_DB5500_PMU0,
+                .end            = IRQ_DB5500_PMU0,
+                .flags          = IORESOURCE_IRQ,
+        },
+        [1] = {
+                .start          = IRQ_DB5500_PMU1,
+                .end            = IRQ_DB5500_PMU1,
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device db5500_pmu_device = {
+        .name                   = "arm-pmu",
+        .id                     = ARM_PMU_DEVICE_CPU,
+        .num_resources          = ARRAY_SIZE(db5500_pmu_resources),
+        .resource               = db5500_pmu_resources,
+};
+
 static struct resource mbox0_resources[] = {
         {
                 .name = "mbox_peer",
@@ -127,7 +148,8 @@ static struct platform_device mbox2_device = {
         .num_resources = ARRAY_SIZE(mbox2_resources),
 };
 
-static struct platform_device *u5500_platform_devs[] __initdata = {
+static struct platform_device *db5500_platform_devs[] __initdata = {
+        &db5500_pmu_device,
         &mbox0_device,
         &mbox1_device,
         &mbox2_device,
@@ -172,6 +194,6 @@ void __init u5500_init_devices(void)
         db5500_dma_init();
         db5500_add_rtc();
 
-        platform_add_devices(u5500_platform_devs,
-                             ARRAY_SIZE(u5500_platform_devs));
+        platform_add_devices(db5500_platform_devs,
+                             ARRAY_SIZE(db5500_platform_devs));
 }