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ARM: at91/rtc-at91sam9: each SoC can select the RTT device to use

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For the RTT as RTC driver rtc-at91sam9, the platform_device structure
is filled during SoC initialization. This will allow to convert this
RTC driver as a standard platform driver.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD
2012-02-15 20:51:37 +08:00
committed by Nicolas Ferre
parent b55149529d
commit 205056a3ea
6 changed files with 75 additions and 52 deletions
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25
arch/arm/mach-at91/at91sam9263_devices.c
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@@ -992,8 +992,33 @@ static struct platform_device at91sam9263_rtt1_device = {
.num_resources = ARRAY_SIZE(rtt1_resources),
};
#if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9)
static void __init at91_add_device_rtt_rtc(void)
{
struct platform_device *pdev;
switch (CONFIG_RTC_DRV_AT91SAM9_RTT) {
case 0:
pdev = &at91sam9263_rtt0_device;
break;
case 1:
pdev = &at91sam9263_rtt1_device;
break;
default:
pr_err("at91sam9263: support only 2 RTT (%d)\n",
CONFIG_RTC_DRV_AT91SAM9_RTT);
return;
}
pdev->name = "rtc-at91sam9";
}
#else
static void __init at91_add_device_rtt_rtc(void) {}
#endif
static void __init at91_add_device_rtt(void)
{
at91_add_device_rtt_rtc();
platform_device_register(&at91sam9263_rtt0_device);
platform_device_register(&at91sam9263_rtt1_device);
}