diff mbox

[v2,2/2] regulator: da9052: add device tree support

Message ID 1334324261-5476-2-git-send-email-paul.liu@linaro.org
State Accepted
Headers show

Commit Message

Paul Liu April 13, 2012, 1:37 p.m. UTC 
From: "Ying-Chun Liu (PaulLiu)" <paul.liu@linaro.org>

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>
---
 drivers/regulator/da9052-regulator.c |   29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

Comments

Mark Brown April 13, 2012, 2:56 p.m. UTC | #1 
On Fri, Apr 13, 2012 at 09:37:41PM +0800, Ying-Chun Liu (PaulLiu) wrote:
> From: "Ying-Chun Liu (PaulLiu)" <paul.liu@linaro.org>
> 
> This patch adds device tree support for dialog regulators

Applied, thanks.  It'd be good to correct the documentation in patch 1
but there should be no code dependency on the core changes so it seems
safe for them to go in separately.
diff mbox

Patch

diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c
index b6c8c4b..2678cbe 100644
--- a/drivers/regulator/da9052-regulator.c
+++ b/drivers/regulator/da9052-regulator.c
@@ -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);