diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.bitbangMII | 25 |
1 files changed, 4 insertions, 21 deletions
diff --git a/doc/README.bitbangMII b/doc/README.bitbangMII index 0a2fa48a56f..05ab20376f3 100644 --- a/doc/README.bitbangMII +++ b/doc/README.bitbangMII @@ -7,28 +7,11 @@ The driver requires that the following macros should be defined into the board configuration file: CONFIG_BITBANGMII - Enable the miiphybb driver -CONFIG_BITBANGMII_MULTI - Enable the multi bus support -If the CONFIG_BITBANGMII_MULTI is not defined, the board's config file needs -to define at least the following macros: - -MII_INIT - Generic code to enable the MII bus (optional) -MDIO_DECLARE - Declaration needed to access to the MDIO pin (optional) -MDIO_ACTIVE - Activate the MDIO pin as out pin -MDIO_TRISTATE - Activate the MDIO pin as input/tristate pin -MDIO_READ - Read the MDIO pin -MDIO(v) - Write v on the MDIO pin -MDC_DECLARE - Declaration needed to access to the MDC pin (optional) -MDC(v) - Write v on the MDC pin - -The previous macros make the driver compatible with the previous version -(that didn't support the multi-bus). - -When the CONFIG_BITBANGMII_MULTI is also defined, the board code needs to fill -the bb_miiphy_buses[] array with a record for each required bus and declare -the bb_miiphy_buses_num variable with the number of mii buses. -The record (struct bb_miiphy_bus) has the following fields/callbacks (see -miiphy.h for details): +The board code needs to fill the bb_miiphy_buses[] array with a record for +each required bus and declare the bb_miiphy_buses_num variable with the +number of mii buses. The record (struct bb_miiphy_bus) has the following +fields/callbacks (see miiphy.h for details): char name[] - The symbolic name that must be equal to the MII bus registered name |