diff options
| author | Sander Vanheule <sander@svanheule.net> | 2021-05-17 22:28:03 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-05-19 16:19:10 +0300 |
| commit | 1f89d2fe16072a74b34bdb895160910091427891 (patch) | |
| tree | 74d11349d77590477b8b85ae3748058328900382 /include/linux/regmap.h | |
| parent | 6efb943b8616ec53a5e444193dccf1af9ad627b5 (diff) | |
| download | linux-1f89d2fe16072a74b34bdb895160910091427891.tar.xz | |
regmap: Add MDIO bus support
Basic support for MDIO bus access. Support only includes clause-22
register access, with 5-bit addresses, and 16-bit wide registers.
Signed-off-by: Sander Vanheule <sander@svanheule.net>
Link: https://lore.kernel.org/r/63b99a2fec2c4ea3c461d59d451af8d675ecf312.1621279162.git.sander@svanheule.net
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/linux/regmap.h')
| -rw-r--r-- | include/linux/regmap.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h index f87a11a5cc4a..e97dd05f7cdb 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -27,6 +27,7 @@ struct device_node; struct i2c_client; struct i3c_device; struct irq_domain; +struct mdio_device; struct slim_device; struct spi_device; struct spmi_device; @@ -538,6 +539,10 @@ struct regmap *__regmap_init_i2c(struct i2c_client *i2c, const struct regmap_config *config, struct lock_class_key *lock_key, const char *lock_name); +struct regmap *__regmap_init_mdio(struct mdio_device *mdio_dev, + const struct regmap_config *config, + struct lock_class_key *lock_key, + const char *lock_name); struct regmap *__regmap_init_sccb(struct i2c_client *i2c, const struct regmap_config *config, struct lock_class_key *lock_key, @@ -594,6 +599,10 @@ struct regmap *__devm_regmap_init_i2c(struct i2c_client *i2c, const struct regmap_config *config, struct lock_class_key *lock_key, const char *lock_name); +struct regmap *__devm_regmap_init_mdio(struct mdio_device *mdio_dev, + const struct regmap_config *config, + struct lock_class_key *lock_key, + const char *lock_name); struct regmap *__devm_regmap_init_sccb(struct i2c_client *i2c, const struct regmap_config *config, struct lock_class_key *lock_key, @@ -698,6 +707,19 @@ int regmap_attach_dev(struct device *dev, struct regmap *map, i2c, config) /** + * regmap_init_mdio() - Initialise register map + * + * @mdio_dev: Device that will be interacted with + * @config: Configuration for register map + * + * The return value will be an ERR_PTR() on error or a valid pointer to + * a struct regmap. + */ +#define regmap_init_mdio(mdio_dev, config) \ + __regmap_lockdep_wrapper(__regmap_init_mdio, #config, \ + mdio_dev, config) + +/** * regmap_init_sccb() - Initialise register map * * @i2c: Device that will be interacted with @@ -889,6 +911,20 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg); i2c, config) /** + * devm_regmap_init_mdio() - Initialise managed register map + * + * @mdio_dev: Device that will be interacted with + * @config: Configuration for register map + * + * The return value will be an ERR_PTR() on error or a valid pointer + * to a struct regmap. The regmap will be automatically freed by the + * device management code. + */ +#define devm_regmap_init_mdio(mdio_dev, config) \ + __regmap_lockdep_wrapper(__devm_regmap_init_mdio, #config, \ + mdio_dev, config) + +/** * devm_regmap_init_sccb() - Initialise managed register map * * @i2c: Device that will be interacted with |