7cfa5bf6cf
Implement lan865x mdio driver to provide interface between lan865x MAC driver and internal PHY driver phy_microchip_t1s.c. This driver is needed to support the driver architecture followed. Signed-off-by: Parthiban Veerasooran <parthiban.veerasooran@microchip.com>
79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/*
|
|
* Copyright (c) 2024 Microchip Technology Inc.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <zephyr/logging/log.h>
|
|
LOG_MODULE_REGISTER(mdio_lan865x, CONFIG_MDIO_LOG_LEVEL);
|
|
|
|
#define DT_DRV_COMPAT microchip_lan865x_mdio
|
|
|
|
#include <stdint.h>
|
|
#include <errno.h>
|
|
#include <zephyr/device.h>
|
|
#include <zephyr/kernel.h>
|
|
#include <zephyr/drivers/mdio.h>
|
|
#include <zephyr/drivers/ethernet/eth_lan865x.h>
|
|
|
|
struct mdio_lan865x_config {
|
|
const struct device *dev;
|
|
};
|
|
|
|
static void lan865x_mdio_bus_enable(const struct device *dev)
|
|
{
|
|
ARG_UNUSED(dev);
|
|
}
|
|
|
|
static void lan865x_mdio_bus_disable(const struct device *dev)
|
|
{
|
|
ARG_UNUSED(dev);
|
|
}
|
|
|
|
static int lan865x_mdio_c22_read(const struct device *dev, uint8_t prtad, uint8_t regad,
|
|
uint16_t *data)
|
|
{
|
|
const struct mdio_lan865x_config *const cfg = dev->config;
|
|
|
|
return eth_lan865x_mdio_c22_read(cfg->dev, prtad, regad, data);
|
|
}
|
|
|
|
static int lan865x_mdio_c22_write(const struct device *dev, uint8_t prtad, uint8_t regad,
|
|
uint16_t data)
|
|
{
|
|
const struct mdio_lan865x_config *const cfg = dev->config;
|
|
|
|
return eth_lan865x_mdio_c22_write(cfg->dev, prtad, regad, data);
|
|
}
|
|
|
|
static int lan865x_mdio_c45_read(const struct device *dev, uint8_t prtad, uint8_t devad,
|
|
uint16_t regad, uint16_t *data)
|
|
{
|
|
const struct mdio_lan865x_config *const cfg = dev->config;
|
|
|
|
return eth_lan865x_mdio_c45_read(cfg->dev, prtad, devad, regad, data);
|
|
}
|
|
|
|
static int lan865x_mdio_c45_write(const struct device *dev, uint8_t prtad, uint8_t devad,
|
|
uint16_t regad, uint16_t data)
|
|
{
|
|
const struct mdio_lan865x_config *const cfg = dev->config;
|
|
|
|
return eth_lan865x_mdio_c45_write(cfg->dev, prtad, devad, regad, data);
|
|
}
|
|
|
|
static const struct mdio_driver_api mdio_lan865x_api = {.read = lan865x_mdio_c22_read,
|
|
.write = lan865x_mdio_c22_write,
|
|
.read_c45 = lan865x_mdio_c45_read,
|
|
.write_c45 = lan865x_mdio_c45_write,
|
|
.bus_enable = lan865x_mdio_bus_enable,
|
|
.bus_disable = lan865x_mdio_bus_disable};
|
|
|
|
#define MICROCHIP_LAN865X_MDIO_INIT(n) \
|
|
static const struct mdio_lan865x_config mdio_lan865x_config_##n = { \
|
|
.dev = DEVICE_DT_GET(DT_INST_PARENT(n)), \
|
|
}; \
|
|
DEVICE_DT_INST_DEFINE(n, NULL, NULL, NULL, &mdio_lan865x_config_##n, POST_KERNEL, \
|
|
CONFIG_MDIO_LAN865X_INIT_PRIORITY, &mdio_lan865x_api);
|
|
|
|
DT_INST_FOREACH_STATUS_OKAY(MICROCHIP_LAN865X_MDIO_INIT)
|