On Wed, Aug 30, 2023 at 05:01:34PM +0530, MD Danish Anwar wrote: > This patch adds support for half duplex operation at 10M and 100M link > speeds for AM654x/AM64x devices. > - Driver configures rand_seed, a random number, in DMEM HD_RAND_SEED_OFFSET > field, which will be used by firmware for Back off time calculation. > - Driver informs FW about half duplex link operation in DMEM > PORT_LINK_SPEED_OFFSET field by setting bit 7 for 10/100M HD. > > Hence, the half duplex operation depends on board design the > "ti,half-duplex-capable" property has to be enabled for ICSS-G ports if HW > is capable to perform half duplex. > > Signed-off-by: MD Danish Anwar <danishanwar@xxxxxx> Reviewed-by: Andrew Lunn <andrew@xxxxxxx> Andrew