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.chotard@st.com ---
Changes in v2: None
drivers/pinctrl/pinctrl-uclass.c | 22 ++++++++++++++++++++++ include/dm/pinctrl.h | 35 +++++++++++++++++++++++++++++++++++ 2 files changed, 57 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-uclass.c b/drivers/pinctrl/pinctrl-uclass.c index 7671f1b551cb..55921a679fc1 100644 --- a/drivers/pinctrl/pinctrl-uclass.c +++ b/drivers/pinctrl/pinctrl-uclass.c @@ -249,6 +249,28 @@ 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, const char **buf) +{ + struct pinctrl_ops *ops = pinctrl_get_ops(dev); + + if (!ops->get_pin_name) + return -ENOSYS; + + *buf = ops->get_pin_name(dev, selector); + + return 0; +} + int pinctrl_get_pin_muxing(struct udevice *dev, int selector, const char **buf)
{ diff --git a/include/dm/pinctrl.h b/include/dm/pinctrl.h index 34afdbb02238..d3b9ef6e59eb 100644 --- a/include/dm/pinctrl.h +++ b/include/dm/pinctrl.h @@ -365,4 +365,39 @@ int pinctrl_decode_pin_config(const void *blob, int node); */ int pinctrl_get_gpio_mux(struct udevice *dev, int banknum, int index);
+/** + * 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, const char **buf); + +/** + * pinctrl_get_pin_muxing() - Returns the muxing description + * + * This allows to display the muxing description of the given pin for + * debug purpose + * + * @dev: Pinctrl device to use + * @selector Pin index within pin-controller + * @buf Pin's muxing description + * @return 0 if OK, -ve on error + */ +int pinctrl_get_pin_muxing(struct udevice *dev, int selector, const char **buf); + #endif /* __PINCTRL_H */