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authorMagnus Damm <damm@opensource.se>2013-06-28 13:27:23 +0200
committerSimon Horman <horms+renesas@verge.net.au>2013-07-17 07:26:53 +0200
commita7b99f27a260a25f856ea37090cea997d50fe112 (patch)
tree9e8cbf093bb93b8ae1d4aecd8ef235e70e8c03ad /arch/arm/mach-shmobile/setup-r8a73a4.c
parentARM: shmobile: Make r8a7790 Arch timer optional (diff)
downloadlinux-a7b99f27a260a25f856ea37090cea997d50fe112.tar.xz
linux-a7b99f27a260a25f856ea37090cea997d50fe112.zip
ARM: shmobile: Add r8a73a4 CMT10 clock event
Add clock event support for CMT1 timer channel 0 to the r8a73a4 SoC code. The CMT is used together with a 32KHz clock in this case. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/mach-shmobile/setup-r8a73a4.c')
-rw-r--r--arch/arm/mach-shmobile/setup-r8a73a4.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/setup-r8a73a4.c b/arch/arm/mach-shmobile/setup-r8a73a4.c
index 9c52096ac995..b8dddf4a7ae9 100644
--- a/arch/arm/mach-shmobile/setup-r8a73a4.c
+++ b/arch/arm/mach-shmobile/setup-r8a73a4.c
@@ -22,6 +22,7 @@
#include <linux/of_platform.h>
#include <linux/platform_data/irq-renesas-irqc.h>
#include <linux/serial_sci.h>
+#include <linux/sh_timer.h>
#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/r8a73a4.h>
@@ -168,6 +169,25 @@ static const struct resource thermal0_resources[] = {
thermal0_resources, \
ARRAY_SIZE(thermal0_resources))
+static struct sh_timer_config cmt10_platform_data = {
+ .name = "CMT10",
+ .timer_bit = 0,
+ .clockevent_rating = 80,
+};
+
+static struct resource cmt10_resources[] = {
+ DEFINE_RES_MEM(0xe6130010, 0x0c),
+ DEFINE_RES_MEM(0xe6130000, 0x04),
+ DEFINE_RES_IRQ(gic_spi(120)), /* CMT1_0 */
+};
+
+#define r8a7790_register_cmt(idx) \
+ platform_device_register_resndata(&platform_bus, "sh_cmt", \
+ idx, cmt##idx##_resources, \
+ ARRAY_SIZE(cmt##idx##_resources), \
+ &cmt##idx##_platform_data, \
+ sizeof(struct sh_timer_config))
+
void __init r8a73a4_add_standard_devices(void)
{
r8a73a4_register_scif(SCIFA0);
@@ -179,6 +199,7 @@ void __init r8a73a4_add_standard_devices(void)
r8a73a4_register_irqc(0);
r8a73a4_register_irqc(1);
r8a73a4_register_thermal();
+ r8a7790_register_cmt(10);
}
#ifdef CONFIG_USE_OF