Re: [RFC PATCH net-next 0/2] Add Half Duplex support for ICSSG Driver

From: Roger Quadros
Date: Thu Sep 07 2023 - 12:24:48 EST




On 30/08/2023 14:31, MD Danish Anwar wrote:
> This series adds support for half duplex operation for ICSSG driver.
>
> In order to support half-duplex operation at 10M and 100M link speeds, the
> PHY collision detection signal (COL) should be routed to ICSSG
> GPIO pin (PRGx_PRU0/1_GPI10) so that firmware can detect collision signal
> and apply the CSMA/CD algorithm applicable for half duplex operation. A DT
> property, "ti,half-duplex-capable" is introduced for this purpose in the
> first patch of the series. If board has PHY COL pin conencted to
> PRGx_PRU1_GPIO10, this DT property can be added to eth node of ICSSG, MII
> port to support half duplex operation at that port.
>
> Second patch of the series configures driver to support half-duplex
> operation if the DT property "ti,half-duplex-capable" is enabled.
>
> This series depends on [1] which is posted as RFC.
>
> [1] https://lore.kernel.org/all/20230830110847.1219515-1-danishanwar@xxxxxx/
>
> Thanks and Regards,
> Md Danish Anwar
>
> MD Danish Anwar (2):
> dt-bindings: net: Add documentation for Half duplex support.
> net: ti: icssg-prueth: Add support for half duplex operation
>
> .../bindings/net/ti,icssg-prueth.yaml | 7 +++++++
> drivers/net/ethernet/ti/icssg/icssg_config.c | 14 ++++++++++++++
> drivers/net/ethernet/ti/icssg/icssg_prueth.c | 17 +++++++++++++++--
> drivers/net/ethernet/ti/icssg/icssg_prueth.h | 2 ++
> 4 files changed, 38 insertions(+), 2 deletions(-)
>

For this series:

Reviewed-by: Roger Quadros <rogerq@xxxxxxxxxx>