> -----Original Message----- > From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> > Sent: 2022年8月19日 14:32 > To: Peng Fan <peng.fan@xxxxxxx>; Wei Fang <wei.fang@xxxxxxx>; Shawn > Guo <shawnguo@xxxxxxxxxx> > Cc: davem@xxxxxxxxxxxxx; edumazet@xxxxxxxxxx; kuba@xxxxxxxxxx; > pabeni@xxxxxxxxxx; robh+dt@xxxxxxxxxx; krzysztof.kozlowski+dt@xxxxxxxxxx; > s.hauer@xxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; > linux-kernel@xxxxxxxxxxxxxxx; kernel@xxxxxxxxxxxxxx; festevam@xxxxxxxxx; > dl-linux-imx <linux-imx@xxxxxxx>; Jacky Bai <ping.bai@xxxxxxx>; > sudeep.holla@xxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; Aisheng Dong > <aisheng.dong@xxxxxxx> > Subject: Re: [PATCH 1/3] dt-bings: net: fsl,fec: update compatible item > > On 19/08/2022 06:13, Peng Fan wrote: > >>> > >> Sorry, I did not explain clearly last time, I just mentioned that > >> imx8ulp fec was totally reused from imx6ul and was a little different from > imx6q. > >> So what should I do next? Should I fix the binding doc ? > > > > Just my understanding, saying i.MX6Q supports feature A, i.MX6UL > > support feature A + B, Then i.MX6UL is compatible with i.MX6Q. > > Or if i.MX8ULP can bind with any previous compatible and still work (with > limited subset of features). > > > > > If upper is true from hardware level, then i.MX8ULP FEC node should > > contain 8ulp, 6ul, 6q. > > > > But the list may expand too long if more and more devices are > > supported and hardware backward compatible > > True. I guess three items is the limit and anything newer should restart the > sequence. > So, the binding doc doesn't need to be fixed ?
