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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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2c3408986c
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>
31 lines
845 B
C
31 lines
845 B
C
#include <linux/regmap.h>
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#include <linux/device.h>
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#include <net/dsa.h>
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struct lan9303;
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struct lan9303_phy_ops {
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/* PHY 1 and 2 access*/
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int (*phy_read)(struct lan9303 *chip, int port, int regnum);
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int (*phy_write)(struct lan9303 *chip, int port,
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int regnum, u16 val);
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};
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struct lan9303 {
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struct device *dev;
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struct regmap *regmap;
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struct regmap_irq_chip_data *irq_data;
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struct gpio_desc *reset_gpio;
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u32 reset_duration; /* in [ms] */
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bool phy_addr_sel_strap;
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struct dsa_switch *ds;
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struct mutex indirect_mutex; /* protect indexed register access */
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const struct lan9303_phy_ops *ops;
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};
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extern const struct regmap_access_table lan9303_register_set;
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extern const struct lan9303_phy_ops lan9303_indirect_phy_ops;
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int lan9303_probe(struct lan9303 *chip, struct device_node *np);
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int lan9303_remove(struct lan9303 *chip);
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