mfd: 88pm860x: Device tree support
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index f96fbe3..1c5ab01 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -12,6 +12,8 @@
#include <linux/init.h>
#include <linux/err.h>
#include <linux/i2c.h>
+#include <linux/of.h>
+#include <linux/regulator/of_regulator.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
@@ -364,6 +366,34 @@
PM8606_PREG(PREREGULATORB, 5),
};
+#ifdef CONFIG_OF
+static int pm8607_regulator_dt_init(struct platform_device *pdev,
+ struct pm8607_regulator_info *info,
+ struct regulator_config *config)
+{
+ struct device_node *nproot, *np;
+ nproot = pdev->dev.parent->of_node;
+ if (!nproot)
+ return -ENODEV;
+ nproot = of_find_node_by_name(nproot, "regulators");
+ if (!nproot) {
+ dev_err(&pdev->dev, "failed to find regulators node\n");
+ return -ENODEV;
+ }
+ for_each_child_of_node(nproot, np) {
+ if (!of_node_cmp(np->name, info->desc.name)) {
+ config->init_data =
+ of_get_regulator_init_data(&pdev->dev, np);
+ config->of_node = np;
+ break;
+ }
+ }
+ return 0;
+}
+#else
+#define pm8607_regulator_dt_init(x, y, z) (-1)
+#endif
+
static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
{
struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
@@ -402,9 +432,12 @@
info->slope_double = 1;
config.dev = &pdev->dev;
- config.init_data = pdata;
config.driver_data = info;
+ if (pm8607_regulator_dt_init(pdev, info, &config))
+ if (pdata)
+ config.init_data = pdata;
+
if (chip->id == CHIP_PM8607)
config.regmap = chip->regmap;
else