Re: [PATCH v3 0/2] soc: ti: wkup_m3_ipc: Add support for IO Isolation
From: Tony Lindgren
Date: Tue Apr 26 2022 - 02:45:27 EST
* Drew Fustini <dfustini@xxxxxxxxxxxx> [220422 05:06]:
> Do you know what revision of the am437x-gp-evm that you have?
Not sure, it seems to be some early revision the last time I looked.
> The AM437X_GP_EVM_3K0006_SCHEMATIC_REV1_5B schematic  for the
> AM437x-GP-EVM shows that the EN pin on the TPS51200 is connected to SoC
> ball N25 which is GPIO5_7.
> Unfortunately, the only AM437x board that I have is the AM437x IDK 
> which unfortunately does not have the TSP51200 EN pin connected to the
> the SoC. In addition, the am437x-gp-evm is the only board that is
> allowed to enable off mode due to am43xx_check_off_mode_enable() in
>  https://www.ti.com/lit/zip/tidrc79
>  https://www.ti.com/lit/zip/sprr396