I2C_FAST_MODE_PLUS_BUFFER
.min_low_ns = 500 + I2C_FAST_MODE_PLUS_BUFFER,
.min_su_sta_ns = 260 + I2C_FAST_MODE_PLUS_BUFFER,
.max_hd_dat_ns = 400 - I2C_FAST_MODE_PLUS_BUFFER,
.min_su_dat_ns = 50 + I2C_FAST_MODE_PLUS_BUFFER,