Re: [PATCH v1 1/2] dt-bindings: soc: samsung: usi: allow 64-bit address space

On 7/23/25 11:15, Krzysztof Kozlowski wrote:

On Tue, Jul 22, 2025 at 03:10:36PM +0300, Ivaylo Ivanov wrote:

quoted

Some device trees, like the exynos2200 one, configure the root node
with #address-cells and #size-cells set to 2. However, the usi binding
expects 32 bit address space only. Allow these determining properties to

So if USI expects 32 bit, then why do we allow 64?

Switching this to 2 means you use 64-bit addressing for children

I don't, but the main point was to avoid defining ranges for every single usi
node, because they are a lot.

Best regards,
Ivaylo

 and
allowing DMA for >32 bit. This should be the true reason - what is the
address space and DMA range for children?

Best regards,
Krzysztof