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davinci: Add RTC support for DA8xx/OMAP-L13x SoC's 

Add RTC support for the da830/omap-l137 and da850/omap-l138
SoC's by leveraging existing the rtc-omap driver.

Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
This commit is contained in:
Mark A. Greer 2009-09-15 18:15:54 -07:00 committed by Kevin Hilman
parent 13e1f0440e
commit c51df70b1e
4 changed files with 44 additions and 0 deletions
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4
arch/arm/mach-davinci/board-da830-evm.c
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@ -228,6 +228,10 @@ static __init void da830_evm_init(void)
if (ret)
pr_warning("da830_evm_init: lcd setup failed: %d\n", ret);
#endif
ret = da8xx_register_rtc();
if (ret)
pr_warning("da830_evm_init: rtc setup failed: %d\n", ret);
}
#ifdef CONFIG_SERIAL_8250_CONSOLE

4
arch/arm/mach-davinci/board-da850-evm.c
View File

@ -381,6 +381,10 @@ static __init void da850_evm_init(void)
if (ret)
pr_warning("da850_evm_init: lcdc registration failed: %d\n",
ret);
ret = da8xx_register_rtc();
if (ret)
pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
}
#ifdef CONFIG_SERIAL_8250_CONSOLE

35
arch/arm/mach-davinci/devices-da8xx.c
View File

@ -29,6 +29,7 @@
#define DA8XX_TPTC1_BASE 0x01c08400
#define DA8XX_WDOG_BASE 0x01c21000 /* DA8XX_TIMER64P1_BASE */
#define DA8XX_I2C0_BASE 0x01c22000
#define DA8XX_RTC_BASE 0x01C23000
#define DA8XX_EMAC_CPPI_PORT_BASE 0x01e20000
#define DA8XX_EMAC_CPGMACSS_BASE 0x01e22000
#define DA8XX_EMAC_CPGMAC_BASE 0x01e23000
@ -453,3 +454,37 @@ int __init da8xx_register_mmcsd0(struct davinci_mmc_config *config)
da8xx_mmcsd0_device.dev.platform_data = config;
return platform_device_register(&da8xx_mmcsd0_device);
}
static struct resource da8xx_rtc_resources[] = {
{
.start = DA8XX_RTC_BASE,
.end = DA8XX_RTC_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
{ /* timer irq */
.start = IRQ_DA8XX_RTC,
.end = IRQ_DA8XX_RTC,
.flags = IORESOURCE_IRQ,
},
{ /* alarm irq */
.start = IRQ_DA8XX_RTC,
.end = IRQ_DA8XX_RTC,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device da8xx_rtc_device = {
.name = "omap_rtc",
.id = -1,
.num_resources = ARRAY_SIZE(da8xx_rtc_resources),
.resource = da8xx_rtc_resources,
};
int da8xx_register_rtc(void)
{
/* Unlock the rtc's registers */
__raw_writel(0x83e70b13, IO_ADDRESS(DA8XX_RTC_BASE + 0x6c));
__raw_writel(0x95a4f1e0, IO_ADDRESS(DA8XX_RTC_BASE + 0x70));
return platform_device_register(&da8xx_rtc_device);
}

1
arch/arm/mach-davinci/include/mach/da8xx.h
View File

@ -81,6 +81,7 @@ int da8xx_register_emac(void);
int da8xx_register_lcdc(struct da8xx_lcdc_platform_data *pdata);
int da8xx_register_mmcsd0(struct davinci_mmc_config *config);
void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata);
int da8xx_register_rtc(void);
extern struct platform_device da8xx_serial_device;
extern struct emac_platform_data da8xx_emac_pdata;