mfd: db8500-prcmu: Add ux500_wdt mfd_cell

This patch adds the necessary structures to use the watchdog
functionality of PRCMU.

The watchdog driver is named ux500_wdt.

Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index 7a63fa86bf01..e42a417adc5f 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -32,6 +32,7 @@
 #include <linux/regulator/db8500-prcmu.h>
 #include <linux/regulator/machine.h>
 #include <linux/cpufreq.h>
+#include <linux/platform_data/ux500_wdt.h>
 #include <asm/hardware/gic.h>
 #include <mach/hardware.h>
 #include <mach/irqs.h>
@@ -3074,6 +3075,11 @@ static struct resource ab8500_resources[] = {
         }
 };
 
+static struct ux500_wdt_data db8500_wdt_pdata = {
+        .timeout = 600, /* 10 minutes */
+        .has_28_bits_resolution = true,
+};
+
 static struct mfd_cell db8500_prcmu_devs[] = {
         {
                 .name = "db8500-prcmu-regulators",
@@ -3088,6 +3094,12 @@ static struct mfd_cell db8500_prcmu_devs[] = {
                 .pdata_size = sizeof(db8500_cpufreq_table),
         },
         {
+                .name = "ux500_wdt",
+                .platform_data = &db8500_wdt_pdata,
+                .pdata_size = sizeof(db8500_wdt_pdata),
+                .id = -1,
+        },
+        {
                 .name = "ab8500-core",
                 .of_compatible = "stericsson,ab8500",
                 .num_resources = ARRAY_SIZE(ab8500_resources),