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regulator: da9052: add device tree support

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This patch adds device tree support for dialog regulators

Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Ashish Jangam <ashish.jangam@kpitcummins.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Ying-Chun Liu (PaulLiu) 2012-04-13 21:37:41 +08:00 committed by Mark Brown
parent 4d26f7d581
commit 88c84c14cc
1 changed files with 28 additions and 1 deletions
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29
drivers/regulator/da9052-regulator.c
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@ -19,6 +19,9 @@
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#ifdef CONFIG_OF
#include <linux/regulator/of_regulator.h>
#endif
#include <linux/mfd/da9052/da9052.h>
#include <linux/mfd/da9052/reg.h>
@ -425,8 +428,32 @@ static int __devinit da9052_regulator_probe(struct platform_device *pdev)
}
config.dev = &pdev->dev;
config.init_data = pdata->regulators[pdev->id];
config.driver_data = regulator;
if (pdata && pdata->regulators) {
config.init_data = pdata->regulators[pdev->id];
} else {
#ifdef CONFIG_OF
struct device_node *nproot = da9052->dev->of_node;
struct device_node *np;
if (!nproot)
return -ENODEV;
nproot = of_find_node_by_name(nproot, "regulators");
if (!nproot)
return -ENODEV;
for (np = of_get_next_child(nproot, NULL); !np;
np = of_get_next_child(nproot, np)) {
if (!of_node_cmp(np->name,
regulator->info->reg_desc.name)) {
config.init_data = of_get_regulator_init_data(
&pdev->dev, np);
break;
}
}
#endif
}
regulator->rdev = regulator_register(&regulator->info->reg_desc,
&config);