On 10 December 2014 at 08:55, Simon Glass <s...@chromium.org> wrote: > The uclass implements the same operations as the current I2C framework but > makes some changes to make it fit driver model better: > > - Remove the chip address from API calls > - Remove the address length from API calls > - Remove concept of 'current' I2C bus > - Drop all existing init functions > > Acked-by: Heiko Schocher <h...@denx.de> > Reviewed-by: Masahiro Yamada <yamad...@jp.panasonic.com> > Signed-off-by: Simon Glass <s...@chromium.org> > --- > > Changes in v6: None > Changes in v5: > - Add a function comment for i2c_probe_chip() > - Add an assert for offset_len in i2c_setup_offset() > - Add more detail to return value comment on get_buf_speed() > - Add more detail to return value comment on xfer() method > - Fix -INVAL typo > - Make i2c_get_bus_speed() independent of i2c_set_bus_speed() > - Split DM_I2C_CHIP_RD_ADDRESS into read and write varaints > - Update comments in struct i2c_msg to allow buf to be NULL > - Use a NULL buffer in i2c_probe_chip() > > Changes in v4: > - Add a constant for I2C_MAX_OFFSET_LEN > - Add a probe_chip() method to the uclass > - Add chip flags to i2c_probe() > - Add comment to i2c_setup_offset() > - Add comments to indicate which methods are optional > - Add comments to set_bus_speed() method > - Adjust i2c_bind_driver() to avoid calloc()/free() > - Drop set_offset_len() method > - Fix copying of chip flags to message in i2c_setup_offset() > - Fix endianness of i2c_setup_offset() > - Fix method comment for xfer() > - Invert return value of i2c_setup_offset() > - Probe with a message length of 0 > - Rename i2c_generic_drv to i2c_generic_chip_drv > - Rename i2c_read_bytewise() and implement a real one > > Changes in v3: > - Add a helper to query chip flags > - Add support for reading a byte at a time with an address for each byte > - Change uclass <=> driver API to use a message list > - Correct bogus address len code (was confused with chip address length) > - Drop extra call to i2c_bind_driver() in i2c_probe() > > Changes in v2: > - Add a 'deblock' method to recover an I2C bus stuck in mid-transaction > - Add a helper function to find a chip on a particular bus number > - Add some debugging for generic I2C device binding > - Fix cihp typo > - Implement generic I2C devices to allow 'i2c probe' on unknown devices > - Return the probed device from i2c_probe() > - Set the bus speed after the bus is probed > > drivers/i2c/Makefile | 1 + > drivers/i2c/i2c-uclass.c | 466 > +++++++++++++++++++++++++++++++++++++++++++++ > include/config_fallbacks.h | 6 + > include/dm/uclass-id.h | 2 + > include/i2c.h | 352 ++++++++++++++++++++++++++++++++++ > 5 files changed, 827 insertions(+) > create mode 100644 drivers/i2c/i2c-uclass.c
Applied to u-boot-dm. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
