ARM: S5PV310: Add support RTC

This patch adds support RTC for S5PV310 and S5PC210.

Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Jemings Ko <jemings@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

7 files changed, 27 insertions, 0 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e4b74fbdba0a..83b4b0858bf6 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -733,6 +733,7 @@ config ARCH_S5PV310
         select GENERIC_GPIO
         select HAVE_CLK
         select GENERIC_CLOCKEVENTS
+        select HAVE_S3C_RTC
         help
           Samsung S5PV310 series based systems
 
diff --git a/arch/arm/mach-s5pv310/Kconfig b/arch/arm/mach-s5pv310/Kconfig
index 9ac29fed44dc..4de5d7265a9f 100644
--- a/arch/arm/mach-s5pv310/Kconfig
+++ b/arch/arm/mach-s5pv310/Kconfig
@@ -33,6 +33,7 @@ config MACH_SMDKC210
         bool "SMDKC210"
         select CPU_S5PV310
         select ARCH_SPARSEMEM_ENABLE
+        select S3C_DEV_RTC
         help
           Machine support for Samsung SMDKC210
           S5PC210(MCP) is one of package option of S5PV310
@@ -53,6 +54,7 @@ config MACH_SMDKV310
         bool "SMDKV310"
         select CPU_S5PV310
         select ARCH_SPARSEMEM_ENABLE
+        select S3C_DEV_RTC
         help
           Machine support for Samsung SMDKV310
 
diff --git a/arch/arm/mach-s5pv310/clock.c b/arch/arm/mach-s5pv310/clock.c
index 32146db1f451..58c9d33f36fe 100644
--- a/arch/arm/mach-s5pv310/clock.c
+++ b/arch/arm/mach-s5pv310/clock.c
@@ -472,6 +472,11 @@ static struct clk init_clocks_disable[] = {
                 .enable         = s5pv310_clk_ip_peril_ctrl,
                 .ctrlbit        = (1 << 15),
         }, {
+                .name           = "rtc",
+                .id             = -1,
+                .enable         = s5pv310_clk_ip_perir_ctrl,
+                .ctrlbit        = (1 << 15),
+        }, {
                 .name           = "watchdog",
                 .id             = -1,
                 .enable         = s5pv310_clk_ip_perir_ctrl,
diff --git a/arch/arm/mach-s5pv310/include/mach/irqs.h b/arch/arm/mach-s5pv310/include/mach/irqs.h
index 7b4b09fb7cc9..e81332f0330f 100644
--- a/arch/arm/mach-s5pv310/include/mach/irqs.h
+++ b/arch/arm/mach-s5pv310/include/mach/irqs.h
@@ -60,6 +60,9 @@
 #define IRQ_TIMER3_VIC          COMBINER_IRQ(22, 3)
 #define IRQ_TIMER4_VIC          COMBINER_IRQ(22, 4)
 
+#define IRQ_RTC_ALARM           COMBINER_IRQ(23, 0)
+#define IRQ_RTC_TIC             COMBINER_IRQ(23, 1)
+
 #define IRQ_UART0               COMBINER_IRQ(26, 0)
 #define IRQ_UART1               COMBINER_IRQ(26, 1)
 #define IRQ_UART2               COMBINER_IRQ(26, 2)
diff --git a/arch/arm/mach-s5pv310/include/mach/map.h b/arch/arm/mach-s5pv310/include/mach/map.h
index aff6d23624bb..75236536c4df 100644
--- a/arch/arm/mach-s5pv310/include/mach/map.h
+++ b/arch/arm/mach-s5pv310/include/mach/map.h
@@ -40,6 +40,7 @@
 #define S5PV310_PA_CMU                  (0x10030000)
 
 #define S5PV310_PA_WATCHDOG             (0x10060000)
+#define S5PV310_PA_RTC                  (0x10070000)
 
 #define S5PV310_PA_COMBINER             (0x10448000)
 
@@ -81,6 +82,7 @@
 #define S3C_PA_HSMMC2                   S5PV310_PA_HSMMC(2)
 #define S3C_PA_HSMMC3                   S5PV310_PA_HSMMC(3)
 #define S3C_PA_IIC                      S5PV310_PA_IIC0
+#define S3C_PA_RTC                      S5PV310_PA_RTC
 #define S3C_PA_WDT                      S5PV310_PA_WATCHDOG
 
 #endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5pv310/mach-smdkc210.c b/arch/arm/mach-s5pv310/mach-smdkc210.c
index 656de0123907..9464084cc1f7 100644
--- a/arch/arm/mach-s5pv310/mach-smdkc210.c
+++ b/arch/arm/mach-s5pv310/mach-smdkc210.c
@@ -17,6 +17,7 @@
 #include <plat/regs-serial.h>
 #include <plat/s5pv310.h>
 #include <plat/cpu.h>
+#include <plat/devs.h>
 
 #include <mach/map.h>
 
@@ -65,6 +66,10 @@ static struct s3c2410_uartcfg smdkc210_uartcfgs[] __initdata = {
         },
 };
 
+static struct platform_device *smdkc210_devices[] __initdata = {
+        &s3c_device_rtc,
+};
+
 static void __init smdkc210_map_io(void)
 {
         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
@@ -77,6 +82,8 @@ static void __init smdkc210_machine_init(void)
 #ifdef CONFIG_CACHE_L2X0
         l2x0_init(S5P_VA_L2CC, 1 << 28, 0xffffffff);
 #endif
+
+        platform_add_devices(smdkc210_devices, ARRAY_SIZE(smdkc210_devices));
 }
 
 MACHINE_START(SMDKC210, "SMDKC210")
diff --git a/arch/arm/mach-s5pv310/mach-smdkv310.c b/arch/arm/mach-s5pv310/mach-smdkv310.c
index 0d6ab77709d2..06062c8e337c 100644
--- a/arch/arm/mach-s5pv310/mach-smdkv310.c
+++ b/arch/arm/mach-s5pv310/mach-smdkv310.c
@@ -17,6 +17,7 @@
 #include <plat/regs-serial.h>
 #include <plat/s5pv310.h>
 #include <plat/cpu.h>
+#include <plat/devs.h>
 
 #include <mach/map.h>
 
@@ -65,6 +66,10 @@ static struct s3c2410_uartcfg smdkv310_uartcfgs[] __initdata = {
         },
 };
 
+static struct platform_device *smdkv310_devices[] __initdata = {
+        &s3c_device_rtc,
+};
+
 static void __init smdkv310_map_io(void)
 {
         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
@@ -77,6 +82,8 @@ static void __init smdkv310_machine_init(void)
 #ifdef CONFIG_CACHE_L2X0
         l2x0_init(S5P_VA_L2CC, 1 << 28, 0xffffffff);
 #endif
+
+        platform_add_devices(smdkv310_devices, ARRAY_SIZE(smdkv310_devices));
 }
 
 MACHINE_START(SMDKV310, "SMDKV310")