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Commit c51df70b authored by Mark A. Greer's avatar Mark A. Greer Committed by Kevin Hilman
Browse files

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: default avatarMark A. Greer <mgreer@mvista.com>
Signed-off-by: default avatarKevin Hilman <khilman@deeprootsystems.com>
parent 13e1f044

arch/arm/mach-davinci/board-da830-evm.c

+4 −0
Original line number Diff line number Diff line
@@ -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

arch/arm/mach-davinci/board-da850-evm.c

+4 −0
Original line number Diff line number Diff line
@@ -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

arch/arm/mach-davinci/devices-da8xx.c

+35 −0
Original line number Diff line number Diff line
@@ -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);

}

arch/arm/mach-davinci/include/mach/da8xx.h

+1 −0
Original line number Diff line number Diff line
@@ -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;