linux-kernel - Re: [PATCH v3 3/4] arm64: dts: rockchip: describe Gru/Kevin OPPs + CPU regulators

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Message-ID: <2038128.kuAi12yfFv@phil>
Date:   Wed, 22 Mar 2017 13:00:03 +0100
From:   Heiko Stuebner <heiko@...ech.de>
To:     Brian Norris <briannorris@...omium.org>
Cc:     linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Caesar Wang <wxt@...k-chips.com>,
        Doug Anderson <dianders@...omium.org>,
        devicetree@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Stephen Barber <smbarber@...omium.org>,
        linux-arm-kernel@...ts.infradead.org,
        Chris Zhong <zyw@...k-chips.com>
Subject: Re: [PATCH v3 3/4] arm64: dts: rockchip: describe Gru/Kevin OPPs + CPU regulators

Am Montag, 20. März 2017, 16:53:43 CET schrieb Brian Norris:
> Used for Gru/Kevin only, as they're the only ones which have a described
> CPU regulator. Also, I'm not sure we've validated this table non-Gru
> boards.
> 
> At the same time, partially describe PWM regulators for Gru, so cpufreq
> doesn't think it can crank up the clock speed without changing the
> voltage. However, we don't yet have the DT bindings to fully describe
> the Over Voltage Protection (OVP) circuits on these boards. Without that
> description, we might end up changing the voltage too much, too fast.
> 
> Add the pwm-regulator descriptions and associate the CPU OPPs, but leave
> them disabled.
> 
> Signed-off-by: Brian Norris <briannorris@...omium.org>

applied for 4.12 with Enric's Tested-tag after some small reordering of nodes/
properties.


Heiko