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linux-next/drivers/net/dsa/lan9303.h
Egil Hjelmeland 2c3408986c net: dsa: lan9303: MDIO access phy registers directly
Indirect access (PMI) to phy register only work in I2C mode. In
MDIO mode phy registers must be accessed directly. Introduced
struct lan9303_phy_ops to handle the two modes.

Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-30 19:23:29 -07:00

31 lines
845 B
C

#include <linux/regmap.h>
#include <linux/device.h>
#include <net/dsa.h>
struct lan9303;
struct lan9303_phy_ops {
/* PHY 1 and 2 access*/
int (*phy_read)(struct lan9303 *chip, int port, int regnum);
int (*phy_write)(struct lan9303 *chip, int port,
int regnum, u16 val);
};
struct lan9303 {
struct device *dev;
struct regmap *regmap;
struct regmap_irq_chip_data *irq_data;
struct gpio_desc *reset_gpio;
u32 reset_duration; /* in [ms] */
bool phy_addr_sel_strap;
struct dsa_switch *ds;
struct mutex indirect_mutex; /* protect indexed register access */
const struct lan9303_phy_ops *ops;
};
extern const struct regmap_access_table lan9303_register_set;
extern const struct lan9303_phy_ops lan9303_indirect_phy_ops;
int lan9303_probe(struct lan9303 *chip, struct device_node *np);
int lan9303_remove(struct lan9303 *chip);