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[2/2] DaVinci: DM365: Enable DaVinci RTC support for DM365 EVM

Message ID 1255732629-14074-1-git-send-email-miguel.aguilar@ridgerun.com
State Not Applicable, archived
Headers show

Commit Message

miguel.aguilar@ridgerun.com Oct. 16, 2009, 10:37 p.m. UTC
From: Miguel Aguilar <miguel.aguilar@ridgerun.com>

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>
---
 arch/arm/mach-davinci/board-dm365-evm.c    |    4 ++++
 arch/arm/mach-davinci/dm365.c              |   26 ++++++++++++++++++++++++++
 arch/arm/mach-davinci/include/mach/dm365.h |    3 +++
 arch/arm/mach-davinci/include/mach/irqs.h  |    1 +
 4 files changed, 34 insertions(+), 0 deletions(-)
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Patch

diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 13b85ec..0d69abd 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -484,6 +484,10 @@  static __init void dm365_evm_init(void)
 	evm_init_cpld();
 
 	dm365_init_asp(&dm365_evm_snd_data);
+
+#ifdef CONFIG_RTC_DRV_DAVINCI
+	dm365_init_rtc();
+#endif
 }
 
 static __init void dm365_evm_irq_init(void)
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index 2674438..cdfc12c 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -700,6 +700,7 @@  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,
@@ -835,6 +836,25 @@  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,
@@ -950,6 +970,12 @@  void __init dm365_init_asp(struct snd_platform_data *pdata)
 	platform_device_register(&dm365_asp_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 2291c0d..bcc2f0f 100644
--- a/arch/arm/mach-davinci/include/mach/dm365.h
+++ b/arch/arm/mach-davinci/include/mach/dm365.h
@@ -25,7 +25,10 @@ 
 #define DM365_EMAC_MDIO_OFFSET		(0x4000)
 #define DM365_EMAC_CNTRL_RAM_SIZE	(0x2000)
 
+#define DM365_RTC_BASE			(0x01C69000)
+
 void __init dm365_init(void);
 void __init dm365_init_asp(struct snd_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
--- 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