diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2023-01-16 14:15:09 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-01-16 16:16:09 +0300 |
| commit | 7b3c4c370c09313e22b555e79167e73d233611d1 (patch) | |
| tree | 15b28c5ece5bc789521bf5d5f768f94c80ecadbd /include/linux/regmap.h | |
| parent | 1b929c02afd37871d5afb9d498426f83432e71c2 (diff) | |
| download | linux-7b3c4c370c09313e22b555e79167e73d233611d1.tar.xz | |
regmap: Rework regmap_mdio_c45_{read|write} for new C45 API.
The MDIO subsystem is getting rid of MII_ADDR_C45 and thus also
encoding associated encoding of the C45 device address and register
address into one value. regmap-mdio also uses this encoding for the
C45 bus.
Move to the new C45 helpers for MDIO access and provide regmap-mdio
helper macros.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20230116111509.4086236-1-michael@walle.cc
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/linux/regmap.h')
| -rw-r--r-- | include/linux/regmap.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h index a3bc695bcca0..029b9e09d3ca 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -38,6 +38,14 @@ struct regmap_field; struct snd_ac97; struct sdw_slave; +/* + * regmap_mdio address encoding. IEEE 802.3ae clause 45 addresses consist of a + * device address and a register address. + */ +#define REGMAP_MDIO_C45_DEVAD_SHIFT 16 +#define REGMAP_MDIO_C45_DEVAD_MASK GENMASK(20, 16) +#define REGMAP_MDIO_C45_REGNUM_MASK GENMASK(15, 0) + /* An enum of all the supported cache types */ enum regcache_type { REGCACHE_NONE, |