Re: [PATCH 0/2] ARM: dts: am335x: add rtc system-power-controller

From: Johan Hovold
Date: Tue Oct 19 2021 - 08:57:28 EST


On Mon, Oct 18, 2021 at 03:00:18PM -0700, Drew Fustini wrote:
> Johan pointed out when I submitted "ARM: dts: am335x: Add rtc node as
> system-power-controller" [1] that mentioning am335x-evm and boneblack
> in the commit message was incorrect. system-power-controller is already
> present in am335x-boneblack-common.dtsi and am335x-evm would need the
> property added directly to the dts file.
>
> These are the dts files that currently include either
> am335x-bone-common.dtsi or am335x-boneblack-common.dtsi:
>
> am335x-bone.dts
> am335x-bone-common.dtsi
>
> am335x-boneblack.dts
> am335x-bone-common.dtsi
> am335x-boneblack-common.dtsi
>
> am335x-boneblack-wireless.dts
> am335x-bone-common.dtsi
> am335x-boneblack-common.dtsi
>
> am335x-bonegreen.dts
> am335x-bone-common.dtsi
>
> am335x-bonegreen-wireless.dts
> am335x-bone-common.dtsi
>
> am335x-sancloud-bbe.dts
> am335x-bone-common.dtsi
> am335x-boneblack-common.dtsi
>
> am335x-sancloud-bbe-lite.dts
> am335x-bone-common.dtsi
> am335x-boneblack-common.dtsi
>
> am335x-boneblack, am335x-boneblack-wireless, am335x-sancloud-bbe and
> am335x-sancloud-bbe-lite currently get the system-power-controller
> property from am335x-boneblack-common.dtsi. Moving that property to
> am335x-bone-common.dtsi would have no change for these boards as they
> include that dtsi file too.
>
> This change would result in the addition of system-power-controller
> to bone, bonegreen and bonegreen-wireless. These boards all have
> PMIC_POWR_EN (ZCZ ball C6) connected to PWR_EN on the TPS65217B PMIC.
> Thus system-power-controller is a valid property for them too.
>
> In addition to BeagleBone, I have reviewed the TI AM335x eval boards:
>
> am335x-evm.dts should _not_ have the system-power-controller property as
> the PMIC_POWER_EN is not connected on the TMDXEVM3358 board [2]. The
> ball would be connected to SLEEP (pin 37) on the TPS65910A3 PMIC but R65
> is marked as do not populate.
>
> am335x-evmsk.dts should _not_ have system-power-controller property as
> PMIC_POWER_EN is not connected on the TMDSSK3358 board [3].
>
> am335x-icev2.dts should have the system-power-controller property as the
> PMIC_POWER_EN (ZCZ ball C6) is connected to PWRHOLD (pin 1) of the
> TPS65910A3 PMIC on the TMDSICE3359 board [4].
>
> Cc: Jason Kridner <jkridner@xxxxxxxxxxxxxxx>
> Cc: Dave Gerlach <d-gerlach@xxxxxx>
> Cc: Keerthy <j-keerthy@xxxxxx>
> Cc: Johan Hovold <johan@xxxxxxxxxx>
>
> [1] https://lore.kernel.org/linux-omap/20211012191311.879838-1-dfustini@xxxxxxxxxxxx/
> [2] https://www.ti.com/tool/TMDXEVM3358
> [3] https://www.ti.com/tool/TMDSSK3358
> [4] https://www.ti.com/tool/TMDSICE3359
>
>
> Drew Fustini (2):
> ARM: dts: am335x-boneblack-common: move system-power-controller
> ARM: dts: am335x-icev2: Add system-power-controller to RTC node

Nice work. I trust your review of the schematics, and only
double-checked sancloud-bbe. The patches look good.

For the series:

Reviewed-by: Johan Hovold <johan@xxxxxxxxxx>

Johan