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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.1 MIME-Version: 1.0 In-Reply-To: <20190624145251.4849-5-opensource@vdorst.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 6/24/19 7:52 AM, René van Dorst wrote: > On some platforum the external phy can only interface to the port 5 of the > switch because the RGMII TX and RX lines are swapped. But it still can be > useful to use the internal phy of the switch to act as a WAN port which > connectes to the 2nd GMAC. This gives WAN port dedicated bandwidth to > the SOC. This increases the LAN and WAN routing. > > By adding the optional property mediatek,ephy-handle, the external phy > is put in isolation mode when internal phy is connected to 2nd GMAC via > phy-handle property. Most platforms we have seen so far implement this logic with a mdio-mux, can you see if that is possible here? stmmac has plenty of examples like those. -- Florian