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path: root/drivers/mfd/syscon.c
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Diffstat (limited to 'drivers/mfd/syscon.c')
-rw-r--r--drivers/mfd/syscon.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
index dbea55de4397..ca15878ce5c0 100644
--- a/drivers/mfd/syscon.c
+++ b/drivers/mfd/syscon.c
@@ -18,6 +18,7 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
+#include <linux/platform_data/syscon.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/mfd/syscon.h>
@@ -94,7 +95,11 @@ struct regmap *syscon_regmap_lookup_by_phandle(struct device_node *np,
struct device_node *syscon_np;
struct regmap *regmap;
- syscon_np = of_parse_phandle(np, property, 0);
+ if (property)
+ syscon_np = of_parse_phandle(np, property, 0);
+ else
+ syscon_np = np;
+
if (!syscon_np)
return ERR_PTR(-ENODEV);
@@ -119,6 +124,7 @@ static struct regmap_config syscon_regmap_config = {
static int syscon_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
+ struct syscon_platform_data *pdata = dev_get_platdata(dev);
struct syscon *syscon;
struct resource *res;
void __iomem *base;
@@ -136,6 +142,8 @@ static int syscon_probe(struct platform_device *pdev)
return -ENOMEM;
syscon_regmap_config.max_register = res->end - res->start - 3;
+ if (pdata)
+ syscon_regmap_config.name = pdata->label;
syscon->regmap = devm_regmap_init_mmio(dev, base,
&syscon_regmap_config);
if (IS_ERR(syscon->regmap)) {