linux-kernel - Re: [PATCH v3 0/2] soc: ti: wkup_m3_ipc: Add support for IO Isolation

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Message-ID: <YmEAA7kc4jNHSkGm@atomide.com>
Date:   Thu, 21 Apr 2022 09:56:03 +0300
From:   Tony Lindgren <tony@...mide.com>
To:     Drew Fustini <dfustini@...libre.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Nishanth Menon <nm@...com>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Dave Gerlach <d-gerlach@...com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/2] soc: ti: wkup_m3_ipc: Add support for IO Isolation

Hi,

* Drew Fustini <dfustini@...libre.com> [220414 19:24]:
> TI AM437x SoCs support isolation of the IOs so that control is taken
> from the peripheral they are connected to and overridden by values
> present in the control register for that pad. This series documents a
> new property 'ti,set-io-isolation' and updates the wkup_m3_ipc driver to
> inform the CM3 firmware when that property is set.

Care to list what hardware and board revisions you're able to test deep
sleep with?

Seems like my am437x-evm is too old for this where the board layout
does not match the schematics for removing a resistor to enable this.

Just wondering if I can still enable tests for this somehow :)

Regards,

Tony