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From: Bhupesh Sharma <bhupesh.sharma@linaro.org>
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: linux-arm-msm@vger.kernel.org,
	Linus Walleij <linus.walleij@linaro.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>, Vinod Koul <vkoul@kernel.org>,
	Rob Herring <robh+dt@kernel.org>, Andy Gross <agross@kernel.org>,
	devicetree <devicetree@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	bhupesh.linux@gmail.com
Subject: Re: [PATCH 8/8] arm64: dts: qcom: sa8155p-adp: Add base dts file
Date: Tue, 15 Jun 2021 10:11:31 +0530	[thread overview]
Message-ID: <CAH=2Ntyi=a0tiyW0D-MvGW+dDdWjNVS4EAcrWZBc=fU8bRphng@mail.gmail.com> (raw)
In-Reply-To: <YMLJsieGd+G+/kxK@builder.lan>

On Fri, 11 Jun 2021 at 07:55, Bjorn Andersson
<bjorn.andersson@linaro.org> wrote:
>
> On Mon 07 Jun 06:38 CDT 2021, Bhupesh Sharma wrote:
>
> > Add base DTS file for sa8155p-adp and enable boot to console,
>
> Please spell out "sa8155-adp", i.e. "Add base DTS for SA8155p Automotive
> Development Platform."
>
> > tlmm reserved range and also include pmic file(s).
> >
> > SA8155p-adp board is based on sm8150 Qualcomm Snapdragon SoC.
> >
>
> It's not based on sm8150, it's based on sa8155p, so let's express this
> as "The SA8155p platform is similar to the SM8150, so use this as base
> for now", to document why we decided to do this.
>
> > Cc: Linus Walleij <linus.walleij@linaro.org>
> > Cc: Liam Girdwood <lgirdwood@gmail.com>
> > Cc: Mark Brown <broonie@kernel.org>
> > Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
> > Cc: Vinod Koul <vkoul@kernel.org>
> > Cc: Rob Herring <robh+dt@kernel.org>
> > Cc: Andy Gross <agross@kernel.org>
> > Cc: devicetree@vger.kernel.org
> > Cc: linux-kernel@vger.kernel.org
> > Cc: linux-gpio@vger.kernel.org
> > Cc: bhupesh.linux@gmail.com

<..snip..>

> > +&apps_rsc {
> > +     pmm8155au-1-rpmh-regulators {
> > +             compatible = "qcom,pmm8155au-1-rpmh-regulators";
> > +             qcom,pmic-id = "a";
> > +
> > +             vdd-s1-supply = <&vreg_3p3>;
> > +             vdd-s2-supply = <&vreg_3p3>;
> > +             vdd-s3-supply = <&vreg_3p3>;
> > +             vdd-s4-supply = <&vreg_3p3>;
> > +             vdd-s5-supply = <&vreg_3p3>;
> > +             vdd-s6-supply = <&vreg_3p3>;
> > +             vdd-s7-supply = <&vreg_3p3>;
> > +             vdd-s8-supply = <&vreg_3p3>;
> > +             vdd-s9-supply = <&vreg_3p3>;
> > +             vdd-s10-supply = <&vreg_3p3>;
> > +
> > +             vdd-l1-l8-l11-supply = <&vreg_s6a_0p92>;
> > +             vdd-l2-l10-supply = <&vreg_3p3>;
> > +             vdd-l3-l4-l5-l18-supply = <&vreg_s6a_0p92>;
> > +             vdd-l6-l9-supply = <&vreg_s6a_0p92>;
> > +             vdd-l7-l12-l14-l15-supply = <&vreg_s5a_2p04>;
> > +             vdd-l13-l16-l17-supply = <&vreg_3p3>;
> > +
> > +             vreg_s5a_2p04: smps5 {
> > +                     regulator-min-microvolt = <1904000>;
> > +                     regulator-max-microvolt = <2000000>;
> > +             };
> > +
> > +             vreg_s6a_0p92: smps6 {
> > +                     regulator-min-microvolt = <920000>;
> > +                     regulator-max-microvolt = <1128000>;
> > +             };
> > +
> > +             vdda_wcss_pll:
>
> This is the "label" of the pad which the regulator typically is
> connected to (rather than a denotion of which regulator it is). So even
> though we have these in some of the other boards, I would prefer if you
> skip them and only use the vreg_xyz_abc variant.

Lets keep the 'vdd_xx_abc labels' though which are used as input
supply pads for peripherals, for e.g.:

&usb_1_hsphy {
    status = "okay";
    vdda-pll-supply = <&vdd_usb_hs_core>;
    vdda33-supply = <&vdda_usb_hs_3p1>;
    vdda18-supply = <&vdda_usb_hs_1p8>;
};

IMO, here it makes sense to retain labels 'vdda_usb_hs_3p1' and
'vdda_usb_hs_1p8' in the dts (also making it easier to trace the same
in schematics).

I will send the v2 with the other suggested changes shortly.

Regards,
Bhupesh



<..snip..>

      parent reply	other threads:[~2021-06-15  4:41 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-07 11:38 [PATCH 0/8] arm64: dts: qcom: Add SA8155p-adp board DTS Bhupesh Sharma
2021-06-07 11:38 ` [PATCH 1/8] dt-bindings: qcom: rpmh-regulator: Add compatible for SA8155p-adp board pmics Bhupesh Sharma
2021-06-11  2:48   ` Bjorn Andersson
2021-06-14  8:05     ` Bhupesh Sharma
2021-06-14 16:28       ` Bjorn Andersson
2021-06-15  4:43         ` Bhupesh Sharma
2021-06-07 11:38 ` [PATCH 2/8] dt-bindings: pinctrl: qcom,pmic-gpio: Add compatible for SA8155p-adp Bhupesh Sharma
2021-06-11  2:51   ` Bjorn Andersson
2021-06-14  8:13     ` Bhupesh Sharma
2021-06-14 16:09       ` Bjorn Andersson
2021-06-07 11:38 ` [PATCH 3/8] dt-bindings: arm: qcom: Add compatible for SA8155p-adp board Bhupesh Sharma
2021-06-11  2:59   ` Bjorn Andersson
2021-06-14  8:14     ` Bhupesh Sharma
2021-06-07 11:38 ` [PATCH 4/8] regulator: qcom-rpmh: Add new regulator types found on SA8155p adp board Bhupesh Sharma
2021-06-07 12:09   ` Andy Shevchenko
2021-06-07 12:30     ` Bhupesh Sharma
2021-06-14 16:17       ` Bjorn Andersson
2021-06-15  4:47         ` Bhupesh Sharma
2021-06-07 11:38 ` [PATCH 5/8] pinctrl: qcom/pinctrl-spmi-gpio: Add compatibles for pmic-gpios on SA8155p-adp Bhupesh Sharma
2021-06-11  3:00   ` Bjorn Andersson
2021-06-14  8:30     ` Bhupesh Sharma
2021-06-14 16:12       ` Bjorn Andersson
2021-06-07 11:38 ` [PATCH 6/8] arm64: dts: qcom: pmm8155au_1: Add base dts file Bhupesh Sharma
2021-06-11  3:12   ` Bjorn Andersson
2021-06-07 11:38 ` [PATCH 7/8] arm64: dts: qcom: pmm8155au_2: " Bhupesh Sharma
2021-06-11  3:13   ` Bjorn Andersson
2021-06-07 11:38 ` [PATCH 8/8] arm64: dts: qcom: sa8155p-adp: " Bhupesh Sharma
2021-06-07 15:22   ` Vinod Koul
2021-06-07 21:22     ` Bhupesh Sharma
2021-06-11  2:25   ` Bjorn Andersson
2021-06-14  8:19     ` Bhupesh Sharma
2021-06-15  4:41     ` Bhupesh Sharma [this message]

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