Re: [PATCH net-next 2/2] net: phy: Introduce PSGMII PHY interface mode

From: Simon Horman
Date: Fri Aug 11 2023 - 06:54:28 EST


On Thu, Aug 10, 2023 at 12:22:55PM +0200, Robert Marko wrote:
> From: Gabor Juhos <j4g8y7@xxxxxxxxx>
>
> The PSGMII interface is similar to QSGMII. The main difference
> is that the PSGMII interface combines five SGMII lines into a
> single link while in QSGMII only four lines are combined.
>
> Similarly to the QSGMII, this interface mode might also needs
> special handling within the MAC driver.
>
> It is commonly used by Qualcomm with their QCA807x PHY series and
> modern WiSoC-s.
>
> Add definitions for the PHY layer to allow to express this type
> of connection between the MAC and PHY.
>
> Signed-off-by: Gabor Juhos <j4g8y7@xxxxxxxxx>
> Signed-off-by: Robert Marko <robert.marko@xxxxxxxxxx>

...

> diff --git a/include/linux/phy.h b/include/linux/phy.h
> index ba08b0e60279..23756a10d40b 100644
> --- a/include/linux/phy.h
> +++ b/include/linux/phy.h
> @@ -147,6 +147,7 @@ typedef enum {
> PHY_INTERFACE_MODE_XGMII,
> PHY_INTERFACE_MODE_XLGMII,
> PHY_INTERFACE_MODE_MOCA,
> + PHY_INTERFACE_MODE_PSGMII,

Hi Gabor an Robert,

Please add PHY_INTERFACE_MODE_PSGMII to the kernel doc for phy_interface_t
which appears a little earlier in phy.h

> PHY_INTERFACE_MODE_QSGMII,
> PHY_INTERFACE_MODE_TRGMII,
> PHY_INTERFACE_MODE_100BASEX,

...