linux-kernel - Re: [PATCH v3 2/2] arm64: dts: rockchip: Add initial support for Pine64 PinePhone Pro

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Date:   Mon, 22 Aug 2022 10:23:09 +1000
From:   Tom Fitzhenry <tom@...-fitzhenry.me.uk>
To:     Ondřej Jirman <megi@....cz>,
        Nícolas F. R. A. Prado <n@...aprado.net>,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        heiko@...ech.de, martijn@...xit.nl, ayufan@...fan.eu,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, phone-devel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] arm64: dts: rockchip: Add initial support for
 Pine64 PinePhone Pro

On 21/8/22 19:00, Ondřej Jirman wrote:

> Max voltages in OPP table are irreleavant for Pinephone Pro DT, because the CPU
> regulators in the PMIC are capable of setting the preferred voltage or very
> close to it.
>
> The actual min/max limits that are enforced by the kernel for the board are set
> on the CPU regulator, which are actually wrongly set in this DT. See:
>
> https://dl.radxa.com/rockpi4/docs/hw/datasheets/Rockchip%20RK3399-T%20Datasheet%20V1.0-20210818.pdf

Good spot, I will fix these in v4.