dm: pinctrl: Add get_pin_muxing() ops
Add get_pin_muxing() which allows to display the muxing
of a given pin belonging to a pin-controller.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/pinctrl/pinctrl-uclass.c b/drivers/pinctrl/pinctrl-uclass.c
index c38bb21..3833dd2 100644
--- a/drivers/pinctrl/pinctrl-uclass.c
+++ b/drivers/pinctrl/pinctrl-uclass.c
@@ -249,6 +249,17 @@
return ops->get_gpio_mux(dev, banknum, index);
}
+int pinctrl_get_pin_muxing(struct udevice *dev, int selector, char *buf,
+ int size)
+{
+ struct pinctrl_ops *ops = pinctrl_get_ops(dev);
+
+ if (!ops->get_pin_muxing)
+ return -ENOSYS;
+
+ return ops->get_pin_muxing(dev, selector, buf, size);
+}
+
/**
* pinconfig_post_bind() - post binding for PINCTRL uclass
* Recursively bind child nodes as pinconfig devices in case of full pinctrl.