Re: [PATCH V2 net 1/2] dt-bindings: net: ar803x: add disable-hibernation-mode propetry
From: Krzysztof Kozlowski
Date: Wed Aug 17 2022 - 01:52:28 EST
On 17/08/2022 05:03, wei.fang@xxxxxxx wrote:
> From: Wei Fang <wei.fang@xxxxxxx>
>
> 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@xxxxxxx>
> ---
> V2 change:
> 1. Add subject prefix.
> 2. Modify the property name and description to make them
> clear.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Best regards,
Krzysztof