1 files changed, 36 insertions, 0 deletions

diff --git a/drivers/gpio/gpio-tps65910.c b/drivers/gpio/gpio-tps65910.c
index af6dc837ffca..c1ad2884f2ed 100644
--- a/drivers/gpio/gpio-tps65910.c
+++ b/drivers/gpio/gpio-tps65910.c
@@ -20,6 +20,7 @@
 #include <linux/i2c.h>
 #include <linux/platform_device.h>
 #include <linux/mfd/tps65910.h>
+#include <linux/of_device.h>
 
 struct tps65910_gpio {
         struct gpio_chip gpio_chip;
@@ -81,6 +82,37 @@ static int tps65910_gpio_input(struct gpio_chip *gc, unsigned offset)
                                                 GPIO_CFG_MASK);
 }
 
+#ifdef CONFIG_OF
+static struct tps65910_board *tps65910_parse_dt_for_gpio(struct device *dev,
+                struct tps65910 *tps65910, int chip_ngpio)
+{
+        struct tps65910_board *tps65910_board = tps65910->of_plat_data;
+        unsigned int prop_array[TPS6591X_MAX_NUM_GPIO];
+        int ngpio = min(chip_ngpio, TPS6591X_MAX_NUM_GPIO);
+        int ret;
+        int idx;
+
+        tps65910_board->gpio_base = -1;
+        ret = of_property_read_u32_array(tps65910->dev->of_node,
+                        "ti,en-gpio-sleep", prop_array, ngpio);
+        if (ret < 0) {
+                dev_dbg(dev, "ti,en-gpio-sleep not specified\n");
+                return tps65910_board;
+        }
+
+        for (idx = 0; idx < ngpio; idx++)
+                tps65910_board->en_gpio_sleep[idx] = (prop_array[idx] != 0);
+
+        return tps65910_board;
+}
+#else
+static struct tps65910_board *tps65910_parse_dt_for_gpio(struct device *dev,
+                struct tps65910 *tps65910, int chip_ngpio)
+{
+        return NULL;
+}
+#endif
+
 static int __devinit tps65910_gpio_probe(struct platform_device *pdev)
 {
         struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent);
@@ -122,6 +154,10 @@ static int __devinit tps65910_gpio_probe(struct platform_device *pdev)
         else
                 tps65910_gpio->gpio_chip.base = -1;
 
+        if (!pdata && tps65910->dev->of_node)
+                pdata = tps65910_parse_dt_for_gpio(&pdev->dev, tps65910,
+                        tps65910_gpio->gpio_chip.ngpio);
+
         if (!pdata)
                 goto skip_init;