Zephyr API Documentation 3.7.99
A Scalable Open Source RTOS
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MDIO Interface . More...
Functions | |
void | mdio_bus_enable (const struct device *dev) |
Enable MDIO bus. | |
void | mdio_bus_disable (const struct device *dev) |
Disable MDIO bus and tri-state drivers. | |
int | mdio_read (const struct device *dev, uint8_t prtad, uint8_t regad, uint16_t *data) |
Read from MDIO Bus. | |
int | mdio_write (const struct device *dev, uint8_t prtad, uint8_t regad, uint16_t data) |
Write to MDIO bus. | |
int | mdio_read_c45 (const struct device *dev, uint8_t prtad, uint8_t devad, uint16_t regad, uint16_t *data) |
Read from MDIO Bus using Clause 45 access. | |
int | mdio_write_c45 (const struct device *dev, uint8_t prtad, uint8_t devad, uint16_t regad, uint16_t data) |
Write to MDIO bus using Clause 45 access. | |
MDIO Interface .
void mdio_bus_disable | ( | const struct device * | dev | ) |
#include <zephyr/drivers/mdio.h>
Disable MDIO bus and tri-state drivers.
[in] | dev | Pointer to the device structure for the controller |
void mdio_bus_enable | ( | const struct device * | dev | ) |
#include <zephyr/drivers/mdio.h>
Enable MDIO bus.
[in] | dev | Pointer to the device structure for the controller |
#include <zephyr/drivers/mdio.h>
Read from MDIO Bus.
This routine provides a generic interface to perform a read on the MDIO bus.
[in] | dev | Pointer to the device structure for the controller |
[in] | prtad | Port address |
[in] | regad | Register address |
data | Pointer to receive read data |
0 | If successful. |
-EIO | General input / output error. |
-ETIMEDOUT | If transaction timedout on the bus |
-ENOSYS | if read is not supported |
int mdio_read_c45 | ( | const struct device * | dev, |
uint8_t | prtad, | ||
uint8_t | devad, | ||
uint16_t | regad, | ||
uint16_t * | data ) |
#include <zephyr/drivers/mdio.h>
Read from MDIO Bus using Clause 45 access.
This routine provides an interface to perform a read on the MDIO bus using IEEE 802.3 Clause 45 access.
[in] | dev | Pointer to the device structure for the controller |
[in] | prtad | Port address |
[in] | devad | Device address |
[in] | regad | Register address |
data | Pointer to receive read data |
0 | If successful. |
-EIO | General input / output error. |
-ETIMEDOUT | If transaction timedout on the bus |
-ENOSYS | if write using Clause 45 access is not supported |
#include <zephyr/drivers/mdio.h>
Write to MDIO bus.
This routine provides a generic interface to perform a write on the MDIO bus.
[in] | dev | Pointer to the device structure for the controller |
[in] | prtad | Port address |
[in] | regad | Register address |
[in] | data | Data to write |
0 | If successful. |
-EIO | General input / output error. |
-ETIMEDOUT | If transaction timedout on the bus |
-ENOSYS | if write is not supported |
int mdio_write_c45 | ( | const struct device * | dev, |
uint8_t | prtad, | ||
uint8_t | devad, | ||
uint16_t | regad, | ||
uint16_t | data ) |
#include <zephyr/drivers/mdio.h>
Write to MDIO bus using Clause 45 access.
This routine provides an interface to perform a write on the MDIO bus using IEEE 802.3 Clause 45 access.
[in] | dev | Pointer to the device structure for the controller |
[in] | prtad | Port address |
[in] | devad | Device address |
[in] | regad | Register address |
[in] | data | Data to write |
0 | If successful. |
-EIO | General input / output error. |
-ETIMEDOUT | If transaction timedout on the bus |
-ENOSYS | if write using Clause 45 access is not supported |