linux-kernel - Re: [PATCH 09/11] ARM: dts: qcom: pm8941: add 5vs2 regulator node

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Date:   Thu, 15 Aug 2019 10:34:17 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Brian Masney <masneyb@...tation.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        Dave Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        "open list:DRM PANEL DRIVERS" <dri-devel@...ts.freedesktop.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        MSM <linux-arm-msm@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        freedreno <freedreno@...ts.freedesktop.org>
Subject: Re: [PATCH 09/11] ARM: dts: qcom: pm8941: add 5vs2 regulator node

On Thu, Aug 15, 2019 at 2:49 AM Brian Masney <masneyb@...tation.org> wrote:

> pm8941 is missing the 5vs2 regulator node so let's add it since its
> needed to get the external display working. This regulator was already
> configured in the interrupts property on the parent node.
>
> Note that this regulator is referred to as mvs2 in the downstream MSM
> kernel sources.

When I looked at it it seemed like this convention is used for power
supplies that appear on both the main PMIC and the "extra (boot? basic?
low power?) PMIC that the main 80xx PMIC has mvs1 and the
other 89xx PMIC has mvs2.

I suppose it is named "mvs" on both PMICs and this is just a rail
name so as not to confuse the schematic?

> Signed-off-by: Brian Masney <masneyb@...tation.org>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij