Re: [PATCH V3 net 1/2] dt-bindings: net: ar803x: add disable-hibernation-mode propetry

Rob Herring
2022-08-18T16:35:50Z

On Thu, Aug 18, 2022 at 11:00:53AM +0800, wei.fang@nxp.com wrote:
> From: Wei Fang <wei.fang@nxp.com>
>
> The hibernation mode of Atheros AR803x PHYs defaults to be
> enabled after hardware reset. When the cable is unplugged,
> the PHY will enter hibernation mode after about 10 seconds
> and the PHY clocks will be stopped to save power.
> However, some MACs need the phy output clock for proper
> functioning of their logic. For instance, stmmac needs the
> RX_CLK of PHY for software reset to complete.
> Therefore, add a DT property to configure the PHY to disable
> this hardware hibernation mode.
>
> Signed-off-by: Wei Fang <wei.fang@nxp.com>
> ---
> V2 change:
> 1. Add subject prefix.
> 2. Modify the property name and description to make them clear.
> V3 change:
> According to Andrew's suggestion, remodify the description to
> make it clear.
> ---
> Documentation/devicetree/bindings/net/qca,ar803x.yaml | 8 ++++++++
> 1 file changed, 8 insertions(+)

Reviewed-by: Rob Herring <robh@kernel.org>