From: Romain Naour <romain.naour@openwide.fr>
To: "Heiko Stübner" <heiko@sntech.de>
Cc: tomasz.figa@gmail.com, Kukjin Kim <kgene.kim@samsung.com>,
linux-samsung-soc@vger.kernel.org, ben-linux@fluff.org,
'Sylwester Nawrocki' <sylvester.nawrocki@gmail.com>
Subject: [PATCH 4/5 v2] Add samsung-time support for s5pc100
Date: Sun, 02 Dec 2012 20:44:19 +0100 [thread overview]
Message-ID: <50BBAF93.2080004@openwide.fr> (raw)
In-Reply-To: <201211280057.16345.heiko@sntech.de>
This patch replace ARCH_USES_GETTIMEOFFSET by GENERIC_CLOCKEVENTS for s5pc100 device.
It becomes possible to use the high-resolution timer and dynamic ticks.
Signed-off-by: Naour Romain <romain.naour@openwide.fr>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 6e00aea..a8c3115 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -796,7 +796,8 @@ config ARCH_S5P64X0
config ARCH_S5PC100
bool "Samsung S5PC100"
- select ARCH_USES_GETTIMEOFFSET
+ select GENERIC_CLOCKEVENTS
+ select CLKSRC_MMIO
select CLKDEV_LOOKUP
select CPU_V7
select GENERIC_GPIO
diff --git a/arch/arm/mach-s5pc100/Kconfig b/arch/arm/mach-s5pc100/Kconfig
index 15170be..3861d5e 100644
--- a/arch/arm/mach-s5pc100/Kconfig
+++ b/arch/arm/mach-s5pc100/Kconfig
@@ -9,6 +9,7 @@ if ARCH_S5PC100
config CPU_S5PC100
bool
+ select SAMSUNG_HRT
select S5P_EXT_INT
select SAMSUNG_DMADEV
help
diff --git a/arch/arm/mach-s5pc100/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c
index dba7384..c542df4 100644
--- a/arch/arm/mach-s5pc100/mach-smdkc100.c
+++ b/arch/arm/mach-s5pc100/mach-smdkc100.c
@@ -52,6 +52,7 @@
#include <linux/platform_data/touchscreen-s3c2410.h>
#include <linux/platform_data/asoc-s3c.h>
#include <plat/backlight.h>
+#include <plat/samsung-time.h>
#include "common.h"
@@ -223,6 +224,7 @@ static void __init smdkc100_map_io(void)
s5pc100_init_io(NULL, 0);
s3c24xx_init_clocks(12000000);
s3c24xx_init_uarts(smdkc100_uartcfgs, ARRAY_SIZE(smdkc100_uartcfgs));
+ samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
}
static void __init smdkc100_machine_init(void)
@@ -258,6 +260,6 @@ MACHINE_START(SMDKC100, "SMDKC100")
.handle_irq = vic_handle_irq,
.map_io = smdkc100_map_io,
.init_machine = smdkc100_machine_init,
- .timer = &s3c24xx_timer,
+ .timer = &samsung_timer,
.restart = s5pc100_restart,
MACHINE_END
diff --git a/arch/arm/plat-samsung/include/plat/samsung-time.h b/arch/arm/plat-samsung/include/plat/samsung-time.h
index 13ae4b9..66363e8 100644
--- a/arch/arm/plat-samsung/include/plat/samsung-time.h
+++ b/arch/arm/plat-samsung/include/plat/samsung-time.h
@@ -30,7 +30,7 @@ struct samsung_timer_source {
/* Be able to sleep for atleast 4 seconds (usually more) */
#define SAMSUNG_TIMER_MIN_RANGE 4
-#ifdef CONFIG_ARCH_S3C24XX
+#if defined(CONFIG_ARCH_S3C24XX) || defined(CONFIG_ARCH_S5PC100)
#define TCNT_MAX 0xffff
#define TSCALER_DIV 25
#define TDIV 50
--
next prev parent reply other threads:[~2012-12-02 19:44 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-24 20:56 [PATCH] S3C24XX: add clockevent/clocksource support Romain Naour
2012-10-25 20:39 ` Tomasz Figa
2012-10-26 10:51 ` Romain Naour
2012-11-23 2:30 ` Kukjin Kim
2012-11-25 2:54 ` Romain Naour
2012-11-25 11:09 ` Tomasz Figa
2012-11-27 23:27 ` [PATCH 1/3] Rename s5p-time to samsung-time Romain Naour
2012-11-27 23:57 ` Heiko Stübner
2012-11-29 23:18 ` Romain Naour
2012-11-29 23:59 ` Heiko Stübner
2012-12-02 19:43 ` [PATCH 0/5 v2] S3C / S5PC100: add clockevent/clocksource support Romain Naour
2012-12-02 19:44 ` [PATCH 1/5 v2] Rename s5p-time to samsung-time Romain Naour
2012-12-10 12:59 ` Heiko Stübner
2012-12-15 21:43 ` Romain Naour
2013-01-08 21:00 ` Tomasz Figa
2013-01-09 19:26 ` Kukjin Kim
2013-01-09 22:43 ` Romain Naour
2013-01-09 22:43 ` [PATCH 0/5 v3] S3C / S5PC100: add clockevent/clocksource support Romain Naour
2013-01-10 0:14 ` Tomasz Figa
2013-01-10 0:38 ` Kukjin Kim
2013-01-10 0:37 ` Heiko Stübner
2013-01-10 0:48 ` Kukjin Kim
2013-01-09 22:43 ` [PATCH 1/5 v3] Rename s5p-time to samsung-time Romain Naour
2013-01-09 22:43 ` [PATCH 2/5 v3] Add samsung-time support for s3c24xx Romain Naour
2013-01-10 3:03 ` Kukjin Kim
2013-01-09 22:44 ` [PATCH 3/5 v3] Add samsung-time support for s3c64xx Romain Naour
2013-01-09 22:44 ` [PATCH 4/5 v3] Add samsung-time support for s5pc100 Romain Naour
2013-01-09 22:44 ` [PATCH 5/5 v3] Remove unused plat-samsung/time.c Romain Naour
2012-12-02 19:44 ` [PATCH 2/5 v2] Add samsung-time support for s3c24xx Romain Naour
2012-12-10 13:00 ` Heiko Stübner
2012-12-15 21:40 ` Romain Naour
2012-12-02 19:44 ` [PATCH 3/5 v2] Add samsung-time support for s3c64xx Romain Naour
2012-12-02 19:44 ` Romain Naour [this message]
2012-12-02 19:44 ` [PATCH 5/5 v2] Remove unused plat-samsung/time.c Romain Naour
2012-12-10 12:57 ` Heiko Stübner
2012-12-15 21:40 ` Romain Naour
2012-12-15 21:40 ` [PATCH 5/5 v3] " Romain Naour
2012-11-27 23:27 ` [PATCH 2/3] Add samsung-time support for s3c24xx Romain Naour
2012-11-27 23:27 ` [PATCH 3/3] Add samsung-time support for s3c64xx Romain Naour
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