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 699d0df574d5..5300b50cdc2f 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 b618fa60aef3..548a32082e4a 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 d212b1c418a9..2744b8a6f66a 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