* @set_state_simple: do needed pinctrl operations for a peripherl @periph.
* (necessary for pinctrl_simple)
* @get_pin_muxing: display the muxing of a given pin.
+ * @gpio_request_enable: requests and enables GPIO on a certain pin.
+ * Implement this only if you can mux every pin individually as GPIO. The
+ * affected GPIO range is passed along with an offset(pin number) into that
+ * specific GPIO range - function selectors and pin groups are orthogonal
+ * to this, the core will however make sure the pins do not collide.
+ * @gpio_disable_free: free up GPIO muxing on a certain pin, the reverse of
+ * @gpio_request_enable
*/
struct pinctrl_ops {
int (*get_pins_count)(struct udevice *dev);
*/
int (*get_pin_muxing)(struct udevice *dev, unsigned int selector,
char *buf, int size);
+
+ /**
+ * gpio_request_enable: requests and enables GPIO on a certain pin.
+ *
+ * @dev: Pinctrl device to use
+ * @selector: Pin selector
+ * return 0 if OK, -ve on error
+ */
+ int (*gpio_request_enable)(struct udevice *dev, unsigned int selector);
+
+ /**
+ * gpio_disable_free: free up GPIO muxing on a certain pin.
+ *
+ * @dev: Pinctrl device to use
+ * @selector: Pin selector
+ * return 0 if OK, -ve on error
+ */
+ int (*gpio_disable_free)(struct udevice *dev, unsigned int selector);
};
#define pinctrl_get_ops(dev) ((struct pinctrl_ops *)(dev)->driver->ops)
* push-pull mode, the argument is ignored.
* @PIN_CONFIG_DRIVE_STRENGTH: the pin will sink or source at most the current
* passed as argument. The argument is in mA.
+ * @PIN_CONFIG_DRIVE_STRENGTH_UA: the pin will sink or source at most the current
+ * passed as argument. The argument is in uA.
* @PIN_CONFIG_INPUT_DEBOUNCE: this will configure the pin to debounce mode,
* which means it will wait for signals to settle when reading inputs. The
* argument gives the debounce time in usecs. Setting the
PIN_CONFIG_DRIVE_OPEN_SOURCE,
PIN_CONFIG_DRIVE_PUSH_PULL,
PIN_CONFIG_DRIVE_STRENGTH,
+ PIN_CONFIG_DRIVE_STRENGTH_UA,
PIN_CONFIG_INPUT_DEBOUNCE,
PIN_CONFIG_INPUT_ENABLE,
PIN_CONFIG_INPUT_SCHMITT,
*/
int pinctrl_get_periph_id(struct udevice *dev, struct udevice *periph);
-/**
- * pinctrl_decode_pin_config() - decode pin configuration flags
- *
- * This decodes some of the PIN_CONFIG values into flags, with each value
- * being (1 << pin_cfg). This does not support things with values like the
- * slew rate.
- *
- * @blob: Device tree blob
- * @node: Node containing the PIN_CONFIG values
- * @return decoded flag value, or -ve on error
- */
-int pinctrl_decode_pin_config(const void *blob, int node);
-
-/**
- * pinctrl_decode_pin_config_dm() - decode pin configuration flags
- *
- * This decodes some of the PIN_CONFIG values into flags, with each value
- * being (1 << pin_cfg). This does not support things with values like the
- * slew rate.
- *
- * @pinconfig: Pinconfig udevice
- * @return decoded flag value, or -ve on error
- */
-int pinctrl_decode_pin_config_dm(struct udevice *dev);
-
/**
* pinctrl_get_gpio_mux() - get the mux value for a particular GPIO
*
*/
int pinctrl_get_pin_name(struct udevice *dev, int selector, char *buf,
int size);
+
+/**
+ * pinctrl_gpio_request() - request a single pin to be used as GPIO
+ *
+ * @dev: GPIO peripheral device
+ * @offset: the GPIO pin offset from the GPIO controller
+ * @return: 0 on success, or negative error code on failure
+ */
+int pinctrl_gpio_request(struct udevice *dev, unsigned offset);
+
+/**
+ * pinctrl_gpio_free() - free a single pin used as GPIO
+ *
+ * @dev: GPIO peripheral device
+ * @offset: the GPIO pin offset from the GPIO controller
+ * @return: 0 on success, or negative error code on failure
+ */
+int pinctrl_gpio_free(struct udevice *dev, unsigned offset);
+
#endif /* __PINCTRL_H */