linux-kernel - Re: [PATCH v3 04/10] arm64: dts: lx2160a-qds: Add mdio mux nodes

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Date:   Thu, 16 Dec 2021 17:27:53 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Li Yang <leoyang.li@....com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Pankaj Bansal <pankaj.bansal@....com>
Subject: Re: [PATCH v3 04/10] arm64: dts: lx2160a-qds: Add mdio mux nodes

On Tue, Dec 14, 2021 at 01:23:36AM -0600, Li Yang wrote:
> From: Pankaj Bansal <pankaj.bansal@....com>
> 
> The two external MDIO buses used to communicate with phy devices that
> are external to SOC are muxed in LX2160AQDS board.  These buses can be
> routed to any one of the eight IO slots on LX2160AQDS board depending on
> value in fpga register 0x54.  Additionally the external MDIO1 is used to
> communicate to the onboard RGMII phy devices.  The mdio1 is controlled
> by bits 4-7 of fpga register and mdio2 is controlled by bits 4-7 of fpga
> register.
> 
> Signed-off-by: Pankaj Bansal <pankaj.bansal@....com>
> Signed-off-by: Li Yang <leoyang.li@....com>

Applied, thanks!