[PATCH 2/5] dt-bindings: soc: canaan: Add top syscon for Canaan K230 SoC

Jiayu Du jiayu.riscv at isrc.iscas.ac.cn
Sat Jan 3 17:40:57 PST 2026


On Tue, Dec 30, 2025 at 03:00:26PM +0100, Krzysztof Kozlowski wrote:
> On 30/12/2025 14:14, Jiayu Du wrote:
> > On Tue, Dec 30, 2025 at 08:39:19AM +0100, Krzysztof Kozlowski wrote:
> >> On Tue, Dec 30, 2025 at 10:37:21AM +0800, Jiayu Du wrote:
> > This hisys memory area not only includes the usbphy registers,
> > but also contains the registers of sd/mmc phy. Therefore, the
> > hisys node is necessary and cannot be folded.
> 
> Can be. There is absolutely nothing stopping it.
> 
> Anyway, define all nodes.

I will fold the child into the parent in v2, thanks for your guidance.

> > 
> > 
> > If what I said above is accepted by you, do I still need to
> > merge the two usb phy nodes by defining one phy with phy-cells=2?
> 
> You should read your datasheet, not exactly rely on me guessing. In
> current form of the binding, you must fold the child into the parent.
> 
> Best regards,
> Krzysztof
> 
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