pinctrl: move group lookup to core

Now also the core needs to look up pin groups so move the lookup
function there and expose it in the internal header.

Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/pinctrl/core.h b/drivers/pinctrl/core.h
index 472fa1341cc0..dcc6d687b653 100644
--- a/drivers/pinctrl/core.h
+++ b/drivers/pinctrl/core.h
@@ -69,3 +69,5 @@ struct pin_desc *pin_desc_get(struct pinctrl_dev *pctldev, int pin);
 int pinctrl_get_device_gpio_range(unsigned gpio,
                                   struct pinctrl_dev **outdev,
                                   struct pinctrl_gpio_range **outrange);
+int pinctrl_get_group_selector(struct pinctrl_dev *pctldev,
+                               const char *pin_group);