DaVinci: DM365: Enable DaVinci RTC support for DM365 EVM

The general structures are defined at DM365 SoC file and the specific
platform data structure for the EVM is defined at board file.

Signed-off-by: Miguel Aguilar <miguel.aguilar@ridgerun.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 19678dc..289fe1b 100644 (file)
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -510,6 +510,7 @@ static __init void dm365_evm_init(void)
        evm_init_cpld();
 
        dm365_init_asp(&dm365_evm_snd_data);
+       dm365_init_rtc();
 
 #ifdef CONFIG_KEYBOARD_DAVINCI
        dm365_init_ks(&dm365evm_ks_data);

diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index c12bb00..2ec619e 100644 (file)
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -699,6 +699,7 @@ static u8 dm365_default_priorities[DAVINCI_N_AINTC_IRQ] = {
        [IRQ_I2C]                       = 3,
        [IRQ_UARTINT0]                  = 3,
        [IRQ_UARTINT1]                  = 3,
+       [IRQ_DM365_RTCINT]              = 3,
        [IRQ_DM365_SPIINT0_0]           = 3,
        [IRQ_DM365_SPIINT3_0]           = 3,
        [IRQ_DM365_GPIO0]               = 3,
@@ -834,6 +835,25 @@ static struct platform_device dm365_asp_device = {
        .resource       = dm365_asp_resources,
 };
 
+static struct resource dm365_rtc_resources[] = {
+       {
+               .start = DM365_RTC_BASE,
+               .end = DM365_RTC_BASE + SZ_1K - 1,
+               .flags = IORESOURCE_MEM,
+       },
+       {
+               .start = IRQ_DM365_RTCINT,
+               .flags = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device dm365_rtc_device = {
+       .name = "rtc_davinci",
+       .id = 0,
+       .num_resources = ARRAY_SIZE(dm365_rtc_resources),
+       .resource = dm365_rtc_resources,
+};
+
 static struct map_desc dm365_io_desc[] = {
        {
                .virtual        = IO_VIRT,
@@ -978,6 +998,12 @@ void __init dm365_init_ks(struct davinci_ks_platform_data *pdata)
        platform_device_register(&dm365_ks_device);
 }
 
+void __init dm365_init_rtc(void)
+{
+       davinci_cfg_reg(DM365_INT_PRTCSS);
+       platform_device_register(&dm365_rtc_device);
+}
+
 void __init dm365_init(void)
 {
        davinci_common_init(&davinci_soc_info_dm365);

diff --git a/arch/arm/mach-davinci/include/mach/dm365.h b/arch/arm/mach-davinci/include/mach/dm365.h
index d8d988a..f1710a3 100644 (file)
--- a/arch/arm/mach-davinci/include/mach/dm365.h
+++ b/arch/arm/mach-davinci/include/mach/dm365.h
@@ -29,8 +29,11 @@
 /* Base of key scan register bank */
 #define DM365_KEYSCAN_BASE             (0x01C69400)
 
+#define DM365_RTC_BASE                 (0x01C69000)
+
 void __init dm365_init(void);
 void __init dm365_init_asp(struct snd_platform_data *pdata);
 void __init dm365_init_ks(struct davinci_ks_platform_data *pdata);
+void __init dm365_init_rtc(void);
 
 #endif /* __ASM_ARCH_DM365_H */

diff --git a/arch/arm/mach-davinci/include/mach/irqs.h b/arch/arm/mach-davinci/include/mach/irqs.h
index 3c918a7..354af71 100644 (file)
--- a/arch/arm/mach-davinci/include/mach/irqs.h
+++ b/arch/arm/mach-davinci/include/mach/irqs.h
@@ -217,6 +217,7 @@
 #define IRQ_DM365_SDIOINT0     23
 #define IRQ_DM365_MMCINT1      27
 #define IRQ_DM365_PWMINT3      28
+#define IRQ_DM365_RTCINT       29
 #define IRQ_DM365_SDIOINT1     31
 #define IRQ_DM365_SPIINT0_0    42
 #define IRQ_DM365_SPIINT3_0    43