linux-kernel - Re: [PATCH 13/15] arm64: dts: qcom: Add MSM8953+PM8953 device tree

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Message-ID: <Ygnhn54Tl6qYzKv/@ripper>
Date:   Sun, 13 Feb 2022 20:59:11 -0800
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Luca Weiss <luca@...tu.xyz>
Cc:     linux-arm-msm@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Vladimir Lypak <vladimir.lypak@...il.com>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 13/15] arm64: dts: qcom: Add MSM8953+PM8953 device tree

On Sun 13 Feb 12:25 PST 2022, Luca Weiss wrote:

> Hi Bjorn,
> 
> On Montag, 31. Jänner 2022 23:39:06 CET Bjorn Andersson wrote:
> > On Wed 12 Jan 13:41 CST 2022, Luca Weiss wrote:
> > > From: Vladimir Lypak <vladimir.lypak@...il.com>
> > > 
> > > The combination MSM8953 + PM8953 is commonly used, so add a
> > > device tree where common power supplies etc. can be configured.
> > > 
> > > Signed-off-by: Vladimir Lypak <vladimir.lypak@...il.com>
> > > Signed-off-by: Luca Weiss <luca@...tu.xyz>
> > > Reviewed-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
> > 
> > I would prefer if we stick with the current scheme and just push this
> > into the device dts (or possibly some vendor-common dtsi if that's
> > applicable).
> > 
> > Simply just to follow what we do on other platforms.
> 
> Sure, will do in v2.
> 
> > 
> > 
> > PS. I see some patches has been applied, but as you resubmit this
> > series please split it per maintainer to make it obvious to each
> > maintainer that they should pick their part(s).
> 
> What do you mean by this? Send one series per maintainer? Or something else? 
> 

Yes, that's what I'm suggesting.

> Currently when making the patches I don't really "care" about who maintains 
> what, my git send-email setup picks the relevant people for CC.
> 

You technically don't have to care, but as it's not always obvious to a
maintainer if he/she can take the patches destined for their subsystem
it's easy that things ends up sitting on the list for longer than
necessary.

So you're making yourself a favour of splitting things that aren't
dependent as you send it out.

> Sometimes there's also multiple maintainers/trees listed for one file, not sure 
> what to do there... 
> 

Your current approach works, above is just a suggestion of how to make
it easier for the maintainers, which will help you to get your patches
land faster.

Regards,
Bjorn

> Regards
> Luca
> 
> > 
> > Thanks,
> > Bjorn
> > 
> > > ---
> > > 
> > >  arch/arm64/boot/dts/qcom/msm8953-pm8953.dtsi | 50 ++++++++++++++++++++
> > >  1 file changed, 50 insertions(+)
> > >  create mode 100644 arch/arm64/boot/dts/qcom/msm8953-pm8953.dtsi
> > > 
> > > diff --git a/arch/arm64/boot/dts/qcom/msm8953-pm8953.dtsi
> > > b/arch/arm64/boot/dts/qcom/msm8953-pm8953.dtsi new file mode 100644
> > > index 000000000000..b5f20fc9488e
> > > --- /dev/null
> > > +++ b/arch/arm64/boot/dts/qcom/msm8953-pm8953.dtsi
> > > @@ -0,0 +1,50 @@
> > > +// SPDX-License-Identifier: BSD-3-Clause
> > > +/* Copyright (c) 2022, The Linux Foundation. All rights reserved. */
> > > +
> > > +#include "msm8953.dtsi"
> > > +#include "pm8953.dtsi"
> > > +
> > > +&hsusb_phy {
> > > +	vdd-supply = <&pm8953_l3>;
> > > +	vdda-pll-supply = <&pm8953_l7>;
> > > +	vdda-phy-dpdm-supply = <&pm8953_l13>;
> > > +};
> > > +
> > > +&sdhc_1 {
> > > +	vmmc-supply = <&pm8953_l8>;
> > > +	vqmmc-supply = <&pm8953_l5>;
> > > +};
> > > +
> > > +&sdhc_2 {
> > > +	vmmc-supply = <&pm8953_l11>;
> > > +	vqmmc-supply = <&pm8953_l12>;
> > > +};
> > > +
> > > +&rpm_requests {
> > > +	smd_rpm_regulators: pm8953-regulators {
> > > +		compatible = "qcom,rpm-pm8953-regulators";
> > > +
> > > +		pm8953_s1: s1 {};
> > > +		pm8953_s3: s3 {};
> > > +		pm8953_s4: s4 {};
> > > +
> > > +		pm8953_l1: l1 {};
> > > +		pm8953_l2: l2 {};
> > > +		pm8953_l3: l3 {};
> > > +		pm8953_l5: l5 {};
> > > +		pm8953_l6: l6 {};
> > > +		pm8953_l7: l7 {};
> > > +		pm8953_l8: l8 {};
> > > +		pm8953_l9: l9 {};
> > > +		pm8953_l10: l10 {};
> > > +		pm8953_l11: l11 {};
> > > +		pm8953_l12: l12 {};
> > > +		pm8953_l13: l13 {};
> > > +		pm8953_l15: l15 {};
> > > +		pm8953_l16: l16 {};
> > > +		pm8953_l17: l17 {};
> > > +		pm8953_l19: l19 {};
> > > +		pm8953_l22: l22 {};
> > > +		pm8953_l23: l23 {};
> > > +	};
> > > +};
> 
> 
> 
>