On Tue, May 9, 2023 at 12:44 AM Conor Dooley <conor@xxxxxxxxxx> wrote: > > On Tue, May 09, 2023 at 12:26:10AM +0800, Jisheng Zhang wrote: > > On Sun, May 07, 2023 at 10:35:12PM +0100, Conor Dooley wrote: > > > On Mon, May 08, 2023 at 02:23:02AM +0800, Jisheng Zhang wrote: > > > > > > > + c910_0: cpu@0 { > > > > + compatible = "thead,c910", "riscv"; > > > > + device_type = "cpu"; > > > > + riscv,isa = "rv64imafdc"; > > > > > > Does this support more than "rv64imafdc"? > > > I assume there's some _xtheadfoo extensions that it does support, > > > although I am not sure how we are proceeding with those - Heiko might > > > have a more nuanced take. > > > > > > > + reset: reset-sample { > > > > + compatible = "thead,reset-sample"; > > > > > > What is a "reset-sample"? > > > > This node is only for opensbi. The compatible string is already in > > opensbi. Do we also need to add dt-binding for it in linux? > > If it's to be included in the kernel's dts, then yes, you do need a > dt-binding. If you remove it, then you don't :) > > That said, "thead,reset-sample" is a strangely named compatible, so if > you do keep it it may end up needing a rename! How about compatible = "thead,reset-th1520" ? > > Cheers, > Conor. > -- Best Regards Guo Ren