Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (241 commits)
  [ARM] 5171/1: ep93xx: fix compilation of modules using clocks
  [ARM] 5133/2: at91sam9g20 defconfig file
  [ARM] 5130/4: Support for the at91sam9g20
  [ARM] 5160/1: IOP3XX: gpio/gpiolib support
  [ARM] at91: Fix NAND FLASH timings for at91sam9x evaluation kits.
  [ARM] 5084/1: zylonite: Register AC97 device
  [ARM] 5085/2: PXA: Move AC97 over to the new central device declaration model
  [ARM] 5120/1: pxa: correct platform driver names for PXA25x and PXA27x UDC drivers
  [ARM] 5147/1: pxaficp_ir: drop pxa_gpio_mode calls, as pin setting
  [ARM] 5145/1: PXA2xx: provide api to control IrDA pins state
  [ARM] 5144/1: pxaficp_ir: cleanup includes
  [ARM] pxa: remove pxa_set_cken()
  [ARM] pxa: allow clk aliases
  [ARM] Feroceon: don't disable BPU on boot
  [ARM] Orion: LED support for HP mv2120
  [ARM] Orion: add RD88F5181L-FXO support
  [ARM] Orion: add RD88F5181L-GE support
  [ARM] Orion: add Netgear WNR854T support
  [ARM] s3c2410_defconfig: update for current build
  [ARM] Acer n30: Minor style and indentation fixes.
  ...

9 files changed, 284 insertions, 36 deletions

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 4949dc4..fc85bf2 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -469,6 +469,16 @@ config RTC_DRV_VR41XX
 	  To compile this driver as a module, choose M here: the
 	  module will be called rtc-vr41xx.
 
+config RTC_DRV_PL030
+	tristate "ARM AMBA PL030 RTC"
+	depends on ARM_AMBA
+	help
+	  If you say Y here you will get access to ARM AMBA
+	  PrimeCell PL030 RTC found on certain ARM SOCs.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called rtc-pl030.
+
 config RTC_DRV_PL031
 	tristate "ARM AMBA PL031 RTC"
 	depends on ARM_AMBA
@@ -495,12 +505,13 @@ config RTC_DRV_AT91RM9200
 	  this is powered by the backup power supply.
 
 config RTC_DRV_AT91SAM9
-	tristate "AT91SAM9x"
+	tristate "AT91SAM9x/AT91CAP9"
 	depends on ARCH_AT91 && !(ARCH_AT91RM9200 || ARCH_AT91X40)
 	help
-	  RTC driver for the Atmel AT91SAM9x internal RTT (Real Time Timer).
-	  These timers are powered by the backup power supply (such as a
-	  small coin cell battery), but do not need to be used as RTCs.
+	  RTC driver for the Atmel AT91SAM9x and AT91CAP9 internal RTT
+	  (Real Time Timer). These timers are powered by the backup power
+	  supply (such as a small coin cell battery), but do not need to
+	  be used as RTCs.
 
 	  (On AT91SAM9rl chips you probably want to use the dedicated RTC
 	  module and leave the RTT available for other uses.)
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index b6e14d5..b5d9d67 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -41,6 +41,7 @@ obj-$(CONFIG_RTC_DRV_MAX6902)	+= rtc-max6902.o
 obj-$(CONFIG_RTC_DRV_OMAP)	+= rtc-omap.o
 obj-$(CONFIG_RTC_DRV_PCF8563)	+= rtc-pcf8563.o
 obj-$(CONFIG_RTC_DRV_PCF8583)	+= rtc-pcf8583.o
+obj-$(CONFIG_RTC_DRV_PL030)	+= rtc-pl030.o
 obj-$(CONFIG_RTC_DRV_PL031)	+= rtc-pl031.o
 obj-$(CONFIG_RTC_DRV_PPC)	+= rtc-ppc.o
 obj-$(CONFIG_RTC_DRV_R9701)	+= rtc-r9701.o
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index 39e64ab..9c3db93 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -29,10 +29,6 @@
 #include <linux/completion.h>
 
 #include <asm/uaccess.h>
-#include <asm/rtc.h>
-
-#include <asm/mach/time.h>
-
 #include <asm/arch/at91_rtc.h>
 
 
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 38d8742..f0246ef 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -19,7 +19,6 @@
 #include <linux/interrupt.h>
 #include <linux/ioctl.h>
 
-#include <asm/mach/time.h>
 #include <asm/arch/board.h>
 #include <asm/arch/at91_rtt.h>
 
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index 58f81c7..eb23d84 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -22,7 +22,6 @@
 #include <linux/platform_device.h>
 
 #include <asm/io.h>
-#include <asm/mach/time.h>
 
 
 /* The OMAP1 RTC is a year/month/day/hours/minutes/seconds BCD clock
diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c
new file mode 100644
index 0000000..8448eeb
--- /dev/null
+++ b/drivers/rtc/rtc-pl030.c
@@ -0,0 +1,217 @@
+/*
+ *  linux/drivers/rtc/rtc-pl030.c
+ *
+ *  Copyright (C) 2000-2001 Deep Blue Solutions Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/module.h>
+#include <linux/rtc.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/amba/bus.h>
+#include <linux/io.h>
+
+#define RTC_DR		(0)
+#define RTC_MR		(4)
+#define RTC_STAT	(8)
+#define RTC_EOI		(8)
+#define RTC_LR		(12)
+#define RTC_CR		(16)
+#define RTC_CR_MIE	(1 << 0)
+
+struct pl030_rtc {
+	struct rtc_device	*rtc;
+	void __iomem		*base;
+};
+
+static irqreturn_t pl030_interrupt(int irq, void *dev_id)
+{
+	struct pl030_rtc *rtc = dev_id;
+	writel(0, rtc->base + RTC_EOI);
+	return IRQ_HANDLED;
+}
+
+static int pl030_open(struct device *dev)
+{
+	return 0;
+}
+
+static void pl030_release(struct device *dev)
+{
+}
+
+static int pl030_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
+{
+	return -ENOIOCTLCMD;
+}
+
+static int pl030_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct pl030_rtc *rtc = dev_get_drvdata(dev);
+
+	rtc_time_to_tm(readl(rtc->base + RTC_MR), &alrm->time);
+	return 0;
+}
+
+static int pl030_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct pl030_rtc *rtc = dev_get_drvdata(dev);
+	unsigned long time;
+	int ret;
+
+	/*
+	 * At the moment, we can only deal with non-wildcarded alarm times.
+	 */
+	ret = rtc_valid_tm(&alrm->time);
+	if (ret == 0)
+		ret = rtc_tm_to_time(&alrm->time, &time);
+	if (ret == 0)
+		writel(time, rtc->base + RTC_MR);
+	return ret;
+}
+
+static int pl030_read_time(struct device *dev, struct rtc_time *tm)
+{
+	struct pl030_rtc *rtc = dev_get_drvdata(dev);
+
+	rtc_time_to_tm(readl(rtc->base + RTC_DR), tm);
+
+	return 0;
+}
+
+/*
+ * Set the RTC time.  Unfortunately, we can't accurately set
+ * the point at which the counter updates.
+ *
+ * Also, since RTC_LR is transferred to RTC_CR on next rising
+ * edge of the 1Hz clock, we must write the time one second
+ * in advance.
+ */
+static int pl030_set_time(struct device *dev, struct rtc_time *tm)
+{
+	struct pl030_rtc *rtc = dev_get_drvdata(dev);
+	unsigned long time;
+	int ret;
+
+	ret = rtc_tm_to_time(tm, &time);
+	if (ret == 0)
+		writel(time + 1, rtc->base + RTC_LR);
+
+	return ret;
+}
+
+static const struct rtc_class_ops pl030_ops = {
+	.open		= pl030_open,
+	.release	= pl030_release,
+	.ioctl		= pl030_ioctl,
+	.read_time	= pl030_read_time,
+	.set_time	= pl030_set_time,
+	.read_alarm	= pl030_read_alarm,
+	.set_alarm	= pl030_set_alarm,
+};
+
+static int pl030_probe(struct amba_device *dev, void *id)
+{
+	struct pl030_rtc *rtc;
+	int ret;
+
+	ret = amba_request_regions(dev, NULL);
+	if (ret)
+		goto err_req;
+
+	rtc = kmalloc(sizeof(*rtc), GFP_KERNEL);
+	if (!rtc) {
+		ret = -ENOMEM;
+		goto err_rtc;
+	}
+
+	rtc->base = ioremap(dev->res.start, SZ_4K);
+	if (!rtc->base) {
+		ret = -ENOMEM;
+		goto err_map;
+	}
+
+	__raw_writel(0, rtc->base + RTC_CR);
+	__raw_writel(0, rtc->base + RTC_EOI);
+
+	amba_set_drvdata(dev, rtc);
+
+	ret = request_irq(dev->irq[0], pl030_interrupt, IRQF_DISABLED,
+			  "rtc-pl030", rtc);
+	if (ret)
+		goto err_irq;
+
+	rtc->rtc = rtc_device_register("pl030", &dev->dev, &pl030_ops,
+				       THIS_MODULE);
+	if (IS_ERR(rtc->rtc)) {
+		ret = PTR_ERR(rtc->rtc);
+		goto err_reg;
+	}
+
+	return 0;
+
+ err_reg:
+	free_irq(dev->irq[0], rtc);
+ err_irq:
+	iounmap(rtc->base);
+ err_map:
+	kfree(rtc);
+ err_rtc:
+	amba_release_regions(dev);
+ err_req:
+	return ret;
+}
+
+static int pl030_remove(struct amba_device *dev)
+{
+	struct pl030_rtc *rtc = amba_get_drvdata(dev);
+
+	amba_set_drvdata(dev, NULL);
+
+	writel(0, rtc->base + RTC_CR);
+
+	free_irq(dev->irq[0], rtc);
+	rtc_device_unregister(rtc->rtc);
+	iounmap(rtc->base);
+	kfree(rtc);
+	amba_release_regions(dev);
+
+	return 0;
+}
+
+static struct amba_id pl030_ids[] = {
+	{
+		.id	= 0x00041030,
+		.mask	= 0x000fffff,
+	},
+	{ 0, 0 },
+};
+
+static struct amba_driver pl030_driver = {
+	.drv		= {
+		.name	= "rtc-pl030",
+	},
+	.probe		= pl030_probe,
+	.remove		= pl030_remove,
+	.id_table	= pl030_ids,
+};
+
+static int __init pl030_init(void)
+{
+	return amba_driver_register(&pl030_driver);
+}
+
+static void __exit pl030_exit(void)
+{
+	amba_driver_unregister(&pl030_driver);
+}
+
+module_init(pl030_init);
+module_exit(pl030_exit);
+
+MODULE_AUTHOR("Russell King <rmk@arm.linux.org.uk>");
+MODULE_DESCRIPTION("ARM AMBA PL030 RTC Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index 2fd49ed..08b4610 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -12,23 +12,12 @@
  * as published by the Free Software Foundation; either version
  * 2 of the License, or (at your option) any later version.
  */
-
-#include <linux/platform_device.h>
 #include <linux/module.h>
 #include <linux/rtc.h>
 #include <linux/init.h>
-#include <linux/fs.h>
 #include <linux/interrupt.h>
-#include <linux/string.h>
-#include <linux/pm.h>
-#include <linux/bitops.h>
-
 #include <linux/amba/bus.h>
-
-#include <asm/io.h>
-#include <asm/hardware.h>
-#include <asm/irq.h>
-#include <asm/rtc.h>
+#include <linux/io.h>
 
 /*
  * Register definitions
@@ -142,13 +131,12 @@ static int pl031_remove(struct amba_device *adev)
 {
 	struct pl031_local *ldata = dev_get_drvdata(&adev->dev);
 
-	if (ldata) {
-		dev_set_drvdata(&adev->dev, NULL);
-		free_irq(adev->irq[0], ldata->rtc);
-		rtc_device_unregister(ldata->rtc);
-		iounmap(ldata->base);
-		kfree(ldata);
-	}
+	amba_set_drvdata(adev, NULL);
+	free_irq(adev->irq[0], ldata->rtc);
+	rtc_device_unregister(ldata->rtc);
+	iounmap(ldata->base);
+	kfree(ldata);
+	amba_release_regions(adev);
 
 	return 0;
 }
@@ -158,13 +146,15 @@ static int pl031_probe(struct amba_device *adev, void *id)
 	int ret;
 	struct pl031_local *ldata;
 
+	ret = amba_request_regions(adev, NULL);
+	if (ret)
+		goto err_req;
 
 	ldata = kmalloc(sizeof(struct pl031_local), GFP_KERNEL);
 	if (!ldata) {
 		ret = -ENOMEM;
 		goto out;
 	}
-	dev_set_drvdata(&adev->dev, ldata);
 
 	ldata->base = ioremap(adev->res.start,
 			      adev->res.end - adev->res.start + 1);
@@ -173,6 +163,8 @@ static int pl031_probe(struct amba_device *adev, void *id)
 		goto out_no_remap;
 	}
 
+	amba_set_drvdata(adev, ldata);
+
 	if (request_irq(adev->irq[0], pl031_interrupt, IRQF_DISABLED,
 			"rtc-pl031", ldata->rtc)) {
 		ret = -EIO;
@@ -192,10 +184,12 @@ out_no_rtc:
 	free_irq(adev->irq[0], ldata->rtc);
 out_no_irq:
 	iounmap(ldata->base);
+	amba_set_drvdata(adev, NULL);
 out_no_remap:
-	dev_set_drvdata(&adev->dev, NULL);
 	kfree(ldata);
 out:
+	amba_release_regions(adev);
+err_req:
 	return ret;
 }
 
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index f26e0ca..fed86e5 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -26,10 +26,6 @@
 #include <asm/uaccess.h>
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/rtc.h>
-
-#include <asm/mach/time.h>
-
 #include <asm/plat-s3c/regs-rtc.h>
 
 /* I have yet to find an S3C implementation with more than one
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 67421b0d..f47294c 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -33,7 +33,6 @@
 
 #include <asm/hardware.h>
 #include <asm/irq.h>
-#include <asm/rtc.h>
 
 #ifdef CONFIG_ARCH_PXA
 #include <asm/arch/pxa-regs.h>
@@ -47,6 +46,42 @@ static unsigned long rtc_freq = 1024;
 static struct rtc_time rtc_alarm;
 static DEFINE_SPINLOCK(sa1100_rtc_lock);
 
+static inline int rtc_periodic_alarm(struct rtc_time *tm)
+{
+	return  (tm->tm_year == -1) ||
+		((unsigned)tm->tm_mon >= 12) ||
+		((unsigned)(tm->tm_mday - 1) >= 31) ||
+		((unsigned)tm->tm_hour > 23) ||
+		((unsigned)tm->tm_min > 59) ||
+		((unsigned)tm->tm_sec > 59);
+}
+
+/*
+ * Calculate the next alarm time given the requested alarm time mask
+ * and the current time.
+ */
+static void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now, struct rtc_time *alrm)
+{
+	unsigned long next_time;
+	unsigned long now_time;
+
+	next->tm_year = now->tm_year;
+	next->tm_mon = now->tm_mon;
+	next->tm_mday = now->tm_mday;
+	next->tm_hour = alrm->tm_hour;
+	next->tm_min = alrm->tm_min;
+	next->tm_sec = alrm->tm_sec;
+
+	rtc_tm_to_time(now, &now_time);
+	rtc_tm_to_time(next, &next_time);
+
+	if (next_time < now_time) {
+		/* Advance one day */
+		next_time += 60 * 60 * 24;
+		rtc_time_to_tm(next_time, next);
+	}
+}
+
 static int rtc_update_alarm(struct rtc_time *alrm)
 {
 	struct rtc_time alarm_tm, now_tm;