Add pinctrl_get_pin_name() and pinctrl_get_pins_count() methods
to obtain pin's name and pin's muxing given a pin reference.
This will be used by the new pinmux command.
Signed-off-by: Patrice Chotard <patrice.chot...@st.com>
Reviewed-by: Simon Glass <s...@chromium.org>
---
Changes in v4: None
Changes in v3:
- Replace const char **buf parameter by char *buf, int size parameters
for pinctrl_get_pin_name()
Changes in v2: None
drivers/pinctrl/pinctrl-uclass.c | 23 +++++++++++++++++++++++
include/dm/pinctrl.h | 22 ++++++++++++++++++++++
2 files changed, 45 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-uclass.c b/drivers/pinctrl/pinctrl-uclass.c
index 3833dd2324f6..6db044506707 100644
--- a/drivers/pinctrl/pinctrl-uclass.c
+++ b/drivers/pinctrl/pinctrl-uclass.c
@@ -249,6 +249,29 @@ int pinctrl_get_gpio_mux(struct udevice *dev, int banknum,
int index)
return ops->get_gpio_mux(dev, banknum, index);
}
+int pinctrl_get_pins_count(struct udevice *dev)
+{
+ struct pinctrl_ops *ops = pinctrl_get_ops(dev);
+
+ if (!ops->get_pins_count)
+ return -ENOSYS;
+
+ return ops->get_pins_count(dev);
+}
+
+int pinctrl_get_pin_name(struct udevice *dev, int selector, char *buf,
+ int size)
+{
+ struct pinctrl_ops *ops = pinctrl_get_ops(dev);
+
+ if (!ops->get_pin_name)
+ return -ENOSYS;
+
+ snprintf(buf, size, ops->get_pin_name(dev, selector));
+
+ return 0;
+}
+
int pinctrl_get_pin_muxing(struct udevice *dev, int selector, char *buf,
int size)
{
diff --git a/include/dm/pinctrl.h b/include/dm/pinctrl.h
index e88438d6a5dc..5a7c5f102e67 100644
--- a/include/dm/pinctrl.h
+++ b/include/dm/pinctrl.h
@@ -382,4 +382,26 @@ int pinctrl_get_gpio_mux(struct udevice *dev, int banknum,
int index);
int pinctrl_get_pin_muxing(struct udevice *dev, int selector, char *buf,
int size);
+/**
+ * pinctrl_get_pins_count() - display pin-controller pins number
+ *
+ * This allows to know the number of pins owned by a given pin-controller
+ *
+ * @dev: Pinctrl device to use
+ * @return pins number if OK, -ve on error
+ */
+int pinctrl_get_pins_count(struct udevice *dev);
+
+/**
+ * pinctrl_get_pin_name() - Returns the pin's name
+ *
+ * This allows to display the pin's name for debug purpose
+ *
+ * @dev: Pinctrl device to use
+ * @selector Pin index within pin-controller
+ * @buf Pin's name
+ * @return 0 if OK, -ve on error
+ */
+int pinctrl_get_pin_name(struct udevice *dev, int selector, char *buf,
+ int size);
#endif /* __PINCTRL_H */
--
1.9.1
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