Re: [PATCH v2] ARM: dts: aspeed: anacapa: update SGPIO and PCA9555 settings for DFT

From: Andrew Jeffery

Date: Wed Mar 04 2026 - 18:58:03 EST


Hi Colin,

On Thu, 2026-02-26 at 22:08 +0800, Colin Huang wrote:
> This update adjusts SGPIO mappings and enables interrupt support for the
> PCA9555 GPIO expanders. These changes are required as part of the DFT
> (Design For Tooling) integration and are aligned with the SGPIO signal
> definitions provided in Helios_SGPIO_BIT_MAP.xlsx (rev: 2026-02-16).

Where can I access Helios_SGPIO_IT_MAP.xslx?

My suspicion is I can't, in which case this doesn't have any business
being the commit message.

>
> Updates include:
> - Add interrupt-parent and interrupts properties to PCA9555 nodes to
>   enable proper interrupt handling required by phosphor-gpio-monitor.
> - Correct placement of LEAK_DETECT_RMC_N.
> - Update SGPIO line-name mappings per the latest Helios SGPIO bit map to
>   reflect leakage channels, presence pins, module power-good, and other
>   DFT-related monitoring signals.

Please take some time to read through the documentation on separating
your changes:

https://docs.kernel.org/process/submitting-patches.html#separate-your-changes

If you haven't already, please also take the time to read the rest of
the document.

Andrew