On Wed, Aug 02, 2023 at 03:44:17PM +0800, Yinbo Zhu wrote: > 在 2023/8/2 下午3:22, Conor Dooley 写道: > > On Wed, Aug 02, 2023 at 09:38:34AM +0800, Yinbo Zhu wrote: > > > 在 2023/8/1 下午11:54, Conor Dooley 写道: > > > > On Tue, Aug 01, 2023 at 04:34:30PM +0800, Yinbo Zhu wrote: > > > > > Sorry, I may not have described it clearly before, the ls2k500 was only > > > > > as a example, actually, Loongson GPIO controllers (2k500,2k1000,eg)come > > > > > in multiple variants that are compatible except for certain register > > > > > offset values. So above all offset device property was used to in all > > > > > loongson gpio controller. > > > > > > > > But it would be good to know why they are different. Do they each > > > > support some different features, or was there some other reason for > > > > making controllers like this? > > > > > > > > > There are no other reasons, just differences in these offset addresses. > > > > Huh. Do you have a link to a devicetree for the ls2k500? > > > Yes, there was a link about ls2k500 dts, but that ls2k500 dts has not > yet added a gpio node. this gpio node will be added later. You must have something that you used to test with, no? I don't mind if it is not a patch, but rather is some WIP - I'd just like to see user of the binding :)
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