Re: [PATCH RESEND v4] soc: samsung: Add simple voltage coupler for Exynos5800

From: Krzysztof Kozlowski
Date: Tue Jun 16 2020 - 03:03:06 EST


On Tue, Jun 16, 2020 at 08:58:21AM +0200, Marek Szyprowski wrote:
> Add a simple custom voltage regulator coupler for Exynos5800 SoCs, which
> require coupling between "vdd_arm" and "vdd_int" regulators. This coupler
> ensures that the voltage values don't go below the bootloader-selected
> operation point during the boot process until a the clients sets their
> constraints. It is achieved by assuming minimal voltage value equal to
> the current value if no constraints are set. This also ensures proper
> voltage balancing if any of the client driver is missing.
>
> The balancing code comes from the regulator/core.c with the additional
> logic for handling regulators without client constraints applied added.
>
> Reviewed-by: Dmitry Osipenko <digetx@xxxxxxxxx>

Thanks, applied.

Best regards,
Krzysztof