diff options
Diffstat (limited to 'drivers/rtc/rtc-pxa.c')
| -rw-r--r-- | drivers/rtc/rtc-pxa.c | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/drivers/rtc/rtc-pxa.c b/drivers/rtc/rtc-pxa.c index 4561f3753..fe4985b54 100644 --- a/drivers/rtc/rtc-pxa.c +++ b/drivers/rtc/rtc-pxa.c @@ -32,6 +32,8 @@ #include <mach/hardware.h> +#include "rtc-sa1100.h" + #define RTC_DEF_DIVIDER (32768 - 1) #define RTC_DEF_TRIM 0 #define MAXFREQ_PERIODIC 1000 @@ -86,10 +88,9 @@ __raw_writel((value), (pxa_rtc)->base + (reg)) struct pxa_rtc { + struct sa1100_rtc sa1100_rtc; struct resource *ress; void __iomem *base; - int irq_1Hz; - int irq_Alrm; struct rtc_device *rtc; spinlock_t lock; /* Protects this structure */ }; @@ -184,25 +185,25 @@ static int pxa_rtc_open(struct device *dev) struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev); int ret; - ret = request_irq(pxa_rtc->irq_1Hz, pxa_rtc_irq, 0, + ret = request_irq(pxa_rtc->sa1100_rtc.irq_1hz, pxa_rtc_irq, 0, "rtc 1Hz", dev); if (ret < 0) { - dev_err(dev, "can't get irq %i, err %d\n", pxa_rtc->irq_1Hz, - ret); + dev_err(dev, "can't get irq %i, err %d\n", + pxa_rtc->sa1100_rtc.irq_1hz, ret); goto err_irq_1Hz; } - ret = request_irq(pxa_rtc->irq_Alrm, pxa_rtc_irq, 0, + ret = request_irq(pxa_rtc->sa1100_rtc.irq_alarm, pxa_rtc_irq, 0, "rtc Alrm", dev); if (ret < 0) { - dev_err(dev, "can't get irq %i, err %d\n", pxa_rtc->irq_Alrm, - ret); + dev_err(dev, "can't get irq %i, err %d\n", + pxa_rtc->sa1100_rtc.irq_alarm, ret); goto err_irq_Alrm; } return 0; err_irq_Alrm: - free_irq(pxa_rtc->irq_1Hz, dev); + free_irq(pxa_rtc->sa1100_rtc.irq_1hz, dev); err_irq_1Hz: return ret; } @@ -215,8 +216,8 @@ static void pxa_rtc_release(struct device *dev) rtsr_clear_bits(pxa_rtc, RTSR_PIALE | RTSR_RDALE1 | RTSR_HZE); spin_unlock_irq(&pxa_rtc->lock); - free_irq(pxa_rtc->irq_Alrm, dev); - free_irq(pxa_rtc->irq_1Hz, dev); + free_irq(pxa_rtc->sa1100_rtc.irq_1hz, dev); + free_irq(pxa_rtc->sa1100_rtc.irq_alarm, dev); } static int pxa_alarm_irq_enable(struct device *dev, unsigned int enabled) @@ -320,12 +321,13 @@ static int __init pxa_rtc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct pxa_rtc *pxa_rtc; + struct sa1100_rtc *sa1100_rtc; int ret; - u32 rttr; pxa_rtc = devm_kzalloc(dev, sizeof(*pxa_rtc), GFP_KERNEL); if (!pxa_rtc) return -ENOMEM; + sa1100_rtc = &pxa_rtc->sa1100_rtc; spin_lock_init(&pxa_rtc->lock); platform_set_drvdata(pdev, pxa_rtc); @@ -336,13 +338,13 @@ static int __init pxa_rtc_probe(struct platform_device *pdev) return -ENXIO; } - pxa_rtc->irq_1Hz = platform_get_irq(pdev, 0); - if (pxa_rtc->irq_1Hz < 0) { + sa1100_rtc->irq_1hz = platform_get_irq(pdev, 0); + if (sa1100_rtc->irq_1hz < 0) { dev_err(dev, "No 1Hz IRQ resource defined\n"); return -ENXIO; } - pxa_rtc->irq_Alrm = platform_get_irq(pdev, 1); - if (pxa_rtc->irq_Alrm < 0) { + sa1100_rtc->irq_alarm = platform_get_irq(pdev, 1); + if (sa1100_rtc->irq_alarm < 0) { dev_err(dev, "No alarm IRQ resource defined\n"); return -ENXIO; } @@ -354,15 +356,14 @@ static int __init pxa_rtc_probe(struct platform_device *pdev) return -ENOMEM; } - /* - * If the clock divider is uninitialized then reset it to the - * default value to get the 1Hz clock. - */ - if (rtc_readl(pxa_rtc, RTTR) == 0) { - rttr = RTC_DEF_DIVIDER + (RTC_DEF_TRIM << 16); - rtc_writel(pxa_rtc, RTTR, rttr); - dev_warn(dev, "warning: initializing default clock" - " divider/trim value\n"); + sa1100_rtc->rcnr = pxa_rtc->base + 0x0; + sa1100_rtc->rtsr = pxa_rtc->base + 0x8; + sa1100_rtc->rtar = pxa_rtc->base + 0x4; + sa1100_rtc->rttr = pxa_rtc->base + 0xc; + ret = sa1100_rtc_init(pdev, sa1100_rtc); + if (!ret) { + dev_err(dev, "Unable to init SA1100 RTC sub-device\n"); + return ret; } rtsr_clear_bits(pxa_rtc, RTSR_PIALE | RTSR_RDALE1 | RTSR_HZE); @@ -402,7 +403,7 @@ static int pxa_rtc_suspend(struct device *dev) struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev); if (device_may_wakeup(dev)) - enable_irq_wake(pxa_rtc->irq_Alrm); + enable_irq_wake(pxa_rtc->sa1100_rtc.irq_alarm); return 0; } @@ -411,7 +412,7 @@ static int pxa_rtc_resume(struct device *dev) struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev); if (device_may_wakeup(dev)) - disable_irq_wake(pxa_rtc->irq_Alrm); + disable_irq_wake(pxa_rtc->sa1100_rtc.irq_alarm); return 0; } #endif |