[PATCH v2 1/1] ARM: dts: aspeed: santabarbara: Add system monitoring GPIOs

Andrew Jeffery andrew at codeconstruct.com.au
Mon May 18 04:22:02 PDT 2026


Hi Fred,

On Tue, 2026-04-21 at 21:03 +0800, Fred Chen wrote:
> Add several GPIO expanders to the Santabarbara platform, with ioexp0
> (0x20) configured to aggregate interrupt signals from downstream
> expanders to optimize sideband pin usage.

Can you provide a bit more context? Is this the result of a broader
design change? Or is it a case of adding descriptions of hardware that
was already present in the design?

Andrew



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