pinctrl/lantiq: add pin_config_group_set support

While converting all the boards supported by OpenWrt to OF
I noticed that this feature is missing. Adding it makes the
devicetrees more readable.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/pinctrl/pinctrl-xway.c b/drivers/pinctrl/pinctrl-xway.c
index c49c9dbe3917..aa4c8b815c20 100644
--- a/drivers/pinctrl/pinctrl-xway.c
+++ b/drivers/pinctrl/pinctrl-xway.c
@@ -522,9 +522,24 @@ static int xway_pinconf_set(struct pinctrl_dev *pctldev,
         return 0;
 }
 
+int xway_pinconf_group_set(struct pinctrl_dev *pctldev,
+                        unsigned selector,
+                        unsigned long config)
+{
+        struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev);
+        int i, ret = 0;
+
+        for (i = 0; i < info->grps[selector].npins && !ret; i++)
+                ret = xway_pinconf_set(pctldev,
+                                info->grps[selector].pins[i], config);
+
+        return ret;
+}
+
 static struct pinconf_ops xway_pinconf_ops = {
         .pin_config_get = xway_pinconf_get,
         .pin_config_set = xway_pinconf_set,
+        .pin_config_group_set = xway_pinconf_group_set,
 };
 
 static struct pinctrl_desc xway_pctrl_desc = {