pinctrl: berlin: introduce berlin_pinctrl_probe_regmap()

This is to prepare for the next berlin4ct support, where we won't use
simple-mfd any more.

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

2 files changed, 21 insertions, 9 deletions

diff --git a/drivers/pinctrl/berlin/berlin.c b/drivers/pinctrl/berlin/berlin.c
index f49580617055..898afa460e9a 100644
--- a/drivers/pinctrl/berlin/berlin.c
+++ b/drivers/pinctrl/berlin/berlin.c
@@ -292,20 +292,14 @@ static struct pinctrl_desc berlin_pctrl_desc = {
         .owner          = THIS_MODULE,
 };
 
-int berlin_pinctrl_probe(struct platform_device *pdev,
-                         const struct berlin_pinctrl_desc *desc)
+int berlin_pinctrl_probe_regmap(struct platform_device *pdev,
+                                const struct berlin_pinctrl_desc *desc,
+                                struct regmap *regmap)
 {
         struct device *dev = &pdev->dev;
-        struct device_node *parent_np = of_get_parent(dev->of_node);
         struct berlin_pinctrl *pctrl;
-        struct regmap *regmap;
         int ret;
 
-        regmap = syscon_node_to_regmap(parent_np);
-        of_node_put(parent_np);
-        if (IS_ERR(regmap))
-                return PTR_ERR(regmap);
-
         pctrl = devm_kzalloc(dev, sizeof(*pctrl), GFP_KERNEL);
         if (!pctrl)
                 return -ENOMEM;
@@ -330,3 +324,17 @@ int berlin_pinctrl_probe(struct platform_device *pdev,
 
         return 0;
 }
+
+int berlin_pinctrl_probe(struct platform_device *pdev,
+                         const struct berlin_pinctrl_desc *desc)
+{
+        struct device *dev = &pdev->dev;
+        struct device_node *parent_np = of_get_parent(dev->of_node);
+        struct regmap *regmap = syscon_node_to_regmap(parent_np);
+
+        of_node_put(parent_np);
+        if (IS_ERR(regmap))
+                return PTR_ERR(regmap);
+
+        return berlin_pinctrl_probe_regmap(pdev, desc, regmap);
+}
diff --git a/drivers/pinctrl/berlin/berlin.h b/drivers/pinctrl/berlin/berlin.h
index e1aa84145194..dabbd2aeaf82 100644
--- a/drivers/pinctrl/berlin/berlin.h
+++ b/drivers/pinctrl/berlin/berlin.h
@@ -58,4 +58,8 @@ struct berlin_pinctrl_function {
 int berlin_pinctrl_probe(struct platform_device *pdev,
                          const struct berlin_pinctrl_desc *desc);
 
+int berlin_pinctrl_probe_regmap(struct platform_device *pdev,
+                                const struct berlin_pinctrl_desc *desc,
+                                struct regmap *regmap);
+
 #endif /* __PINCTRL_BERLIN_H */