Re: [PATCH 2/2] dt-bindings: phy: List supplies for qcom,edp-phy

From: Vinod Koul <vkoul@kernel.org>
To: Doug Anderson <dianders@chromium.org>
Cc: quic_kalyant <quic_kalyant@quicinc.com>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>,
	Sankeerth Billakanti <quic_sbillaka@quicinc.com>,
	Rob Clark <robdclark@chromium.org>,
	linux-arm-msm <linux-arm-msm@vger.kernel.org>,
	Kuogee Hsieh <quic_khsieh@quicinc.com>,
	Abhinav Kumar <quic_abhinavk@quicinc.com>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	Rob Herring <robh+dt@kernel.org>, Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	linux-phy@lists.infradead.org, Stephen Boyd <swboyd@chromium.org>,
	freedreno <freedreno@lists.freedesktop.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2] dt-bindings: phy: List supplies for qcom,edp-phy
Date: Thu, 16 Jun 2022 17:10:04 -0700	[thread overview]
Message-ID: <YqvGXNGIzVHp7QtV@matsya> (raw)
In-Reply-To: <CAD=FV=Wbi=CXhPpOUJj=1PdgB8i6Lf1Sfr=T7wrQsgBx790S_w@mail.gmail.com>

On 16-06-22, 08:35, Doug Anderson wrote:
> Hi,
> 
> On Mon, Apr 25, 2022 at 2:07 PM Douglas Anderson <dianders@chromium.org> wrote:
> >
> > We're supposed to list the supplies in the dt bindings but there are
> > none in the eDP PHY bindings.
> >
> > Looking at the driver in Linux, I can see that there seem to be two
> > relevant supplies: "vdda-phy" and "vdda-pll". Let's add those to the
> > bindings.
> >
> > NOTE: from looking at the Qualcomm datasheet for sc7280, it's not
> > immediately clear how to figure out how to fill in these supplies. The
> > only two eDP related supplies are simply described as "power for eDP
> > 0.9V circuits" and "power for eDP 1.2V circuits". From guessing and
> > from comparing how a similar PHY is hooked up on other similar
> > Qualcomm boards, I'll make the educated guess that the 1.2V supply
> > goes to "vdda-phy" and the 0.9V supply goes to "vdda-pll" and I'll use
> > that in the example here.
> >
> > Signed-off-by: Douglas Anderson <dianders@chromium.org>
> > ---
> >
> >  Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml | 6 ++++++
> >  1 file changed, 6 insertions(+)
> 
> Even though patch #1 in this series should be dropped, this patch
> (patch #2) is still valid. Vinod: I assume this would land in your
> tree along with the first two patches in Kuogee's series [1], which
> are related. Please let me know if you need me to re-send or anything.

I have applied this patch, thanks

> [1] https://lore.kernel.org/r/1653507433-22585-1-git-send-email-quic_khsieh@quicinc.com/

This needs rebase on phy split which I have picked

-- 
~Vinod