Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog

* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: (28 commits)
  [WATCHDOG] Fix pcwd_init_module crash
  [WATCHDOG] ICH9 support for iTCO_wdt
  [WATCHDOG] 631xESB/632xESB support for iTCO_wdt - add all LPC bridges
  [WATCHDOG] 631xESB/632xESB support for iTCO_wdt
  [WATCHDOG] omap_wdt.c - default error for IOCTL is -ENOTTY
  [WATCHDOG] Return value of nonseekable_open
  [WATCHDOG] mv64x60_wdt: Rework the timeout register manipulation
  [WATCHDOG] mv64x60_wdt: disable watchdog timer when driver is probed
  [WATCHDOG] mv64x60_wdt: Support the WDIOF_MAGICCLOSE feature
  [WATCHDOG] mv64x60_wdt: Add a module parameter to change nowayout setting
  [WATCHDOG] mv64x60_wdt: Add WDIOC_SETOPTIONS ioctl support
  [WATCHDOG] mv64x60_wdt: Support for WDIOC_SETTIMEOUT ioctl
  [WATCHDOG] mv64x60_wdt: Fix WDIOC_GETTIMEOUT return value
  [WATCHDOG] mv64x60_wdt: Check return value of nonseekable_open
  [WATCHDOG] mv64x60_wdt: Add arch/powerpc platform support
  [WATCHDOG] mv64x60_wdt: Get register address from platform data
  [WATCHDOG] mv64x60_wdt: set up platform_device in platform code
  [WATCHDOG] ensure mouse and keyboard ignored in w83627hf_wdt
  [WATCHDOG] s3c2410_wdt: fixup after arch include moves
  [WATCHDOG] git-watchdog-typo
  ...

3 files changed, 99 insertions, 0 deletions

diff --git a/arch/powerpc/boot/dts/prpmc2800.dts b/arch/powerpc/boot/dts/prpmc2800.dts
index 699d0df574d..5300b50cdc2 100644
--- a/arch/powerpc/boot/dts/prpmc2800.dts
+++ b/arch/powerpc/boot/dts/prpmc2800.dts
@@ -207,6 +207,12 @@
 			interrupt-parent = <&/mv64x60/pic>;
 		};
 
+		wdt@b410 {			/* watchdog timer */
+			compatible = "marvell,mv64x60-wdt";
+			reg = <b410 8>;
+			timeout = <a>;		/* wdt timeout in seconds */
+		};
+
 		i2c@c000 {
 			device_type = "i2c";
 			compatible = "marvell,mv64x60-i2c";
diff --git a/arch/powerpc/sysdev/mv64x60_dev.c b/arch/powerpc/sysdev/mv64x60_dev.c
index b618fa60aef..548a32082e4 100644
--- a/arch/powerpc/sysdev/mv64x60_dev.c
+++ b/arch/powerpc/sysdev/mv64x60_dev.c
@@ -390,6 +390,61 @@ error:
 	return err;
 }
 
+/*
+ * Create mv64x60_wdt platform devices
+ */
+static int __init mv64x60_wdt_device_setup(struct device_node *np, int id)
+{
+	struct resource r;
+	struct platform_device *pdev;
+	struct mv64x60_wdt_pdata pdata;
+	const unsigned int *prop;
+	int err;
+
+	err = of_address_to_resource(np, 0, &r);
+	if (err)
+		return err;
+
+	memset(&pdata, 0, sizeof(pdata));
+
+	prop = of_get_property(np, "timeout", NULL);
+	if (!prop)
+		return -ENODEV;
+	pdata.timeout = *prop;
+
+	np = of_get_parent(np);
+	if (!np)
+		return -ENODEV;
+
+	prop = of_get_property(np, "clock-frequency", NULL);
+	of_node_put(np);
+	if (!prop)
+		return -ENODEV;
+	pdata.bus_clk = *prop / 1000000; /* wdt driver wants freq in MHz */
+
+	pdev = platform_device_alloc(MV64x60_WDT_NAME, id);
+	if (!pdev)
+		return -ENOMEM;
+
+	err = platform_device_add_resources(pdev, &r, 1);
+	if (err)
+		goto error;
+
+	err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
+	if (err)
+		goto error;
+
+	err = platform_device_add(pdev);
+	if (err)
+		goto error;
+
+	return 0;
+
+error:
+	platform_device_put(pdev);
+	return err;
+}
+
 static int __init mv64x60_device_setup(void)
 {
 	struct device_node *np = NULL;
@@ -414,6 +469,15 @@ static int __init mv64x60_device_setup(void)
 		if ((err = mv64x60_i2c_device_setup(np, id)))
 			goto error;
 
+	/* support up to one watchdog timer */
+	np = of_find_compatible_node(np, NULL, "marvell,mv64x60-wdt");
+	if (np) {
+		if ((err = mv64x60_wdt_device_setup(np, id)))
+			goto error;
+		of_node_put(np);
+	}
+
+
 	return 0;
 
 error:
diff --git a/arch/ppc/syslib/mv64x60.c b/arch/ppc/syslib/mv64x60.c
index d212b1c418a..2744b8a6f66 100644
--- a/arch/ppc/syslib/mv64x60.c
+++ b/arch/ppc/syslib/mv64x60.c
@@ -441,6 +441,32 @@ static struct platform_device i2c_device = {
 };
 #endif
 
+#ifdef CONFIG_WATCHDOG
+static struct mv64x60_wdt_pdata mv64x60_wdt_pdata = {
+	.timeout		= 10,  /* default watchdog expiry in seconds */
+	.bus_clk		= 133, /* default bus clock in MHz */
+};
+
+static struct resource mv64x60_wdt_resources[] = {
+	[0] = {
+		.name	= "mv64x60 wdt base",
+		.start	= MV64x60_WDT_WDC,
+		.end	= MV64x60_WDT_WDC + 8 - 1, /* two 32-bit registers */
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device wdt_device = {
+	.name		= MV64x60_WDT_NAME,
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(mv64x60_wdt_resources),
+	.resource	= mv64x60_wdt_resources,
+	.dev = {
+		.platform_data = &mv64x60_wdt_pdata,
+	},
+};
+#endif
+
 #if defined(CONFIG_SYSFS) && !defined(CONFIG_GT64260)
 static struct mv64xxx_pdata mv64xxx_pdata = {
 	.hs_reg_valid	= 0,
@@ -476,6 +502,9 @@ static struct platform_device *mv64x60_pd_devs[] __initdata = {
 #ifdef	CONFIG_I2C_MV64XXX
 	&i2c_device,
 #endif
+#ifdef	CONFIG_MV64X60_WDT
+	&wdt_device,
+#endif
 #if defined(CONFIG_SYSFS) && !defined(CONFIG_GT64260)
 	&mv64xxx_device,
 #endif