linux-kernel - Re: [RESEND PATCH 1/1] arm64: dts: Add Variscite DART-SD410 Evaluation board dts

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Date:   Wed, 23 Aug 2017 20:44:56 +0300
From:   Leonid Segal <leonid.s@...iscite.com>
To:     Andy Gross <andy.gross@...aro.org>
Cc:     Leonid Segal <leonid.s@...iscite.com>, robh+dt@...nel.org,
        mark.rutland@....com, devicetree@...r.kernel.org,
        David Brown <david.brown@...aro.org>, catalin.marinas@....com,
        will.deacon@....com, linux-arm-msm@...r.kernel.org,
        linux-soc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RESEND PATCH 1/1] arm64: dts: Add Variscite DART-SD410
 Evaluation board dts

Hello,
Thank you very much for the tips.
I have updated the documentation and schematics of our web site.
I also tried to implement all other fixes, but seems that I cannot file the git
you are talking about.
The patches i sent were done to:
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
and there is no -next branch.
I tried to check out the linaro git:
http://git.linaro.org/landing-teams/working/qualcomm/kernel.git
there is a -next branch, but the USB section is in old format.

I tried to complile the latest version from
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
the usb there in new format, but nothing works (even LEDS) on Dragonboard too.
So, I think I am missing something global on the way.

   If you can help me with it, I will appreciate it.
  Thank you, Leonid.

On Fri, Aug 18, 2017 at 03:35:05PM -0500, Andy Gross wrote:
> On Sun, Aug 13, 2017 at 12:42:59PM +0300, Leonid Segal wrote:
> > Add initial device tree support for Variscite DART-SD410 Evalueation board.
> > This board is also known as VAR-SD410CustomBoard.
> >
> > Signed-off-by: Leonid Segal <leonid.s@...iscite.com>
> > ---
>
> A few comments, mainly about your documentation on the Variscite
> website.  Specifically the schematics.  Please tell your hardware
> people to be consistent in your naming conventions for pins.
>
> MPP_GPIO/PM_GPIO appear to be interchangeable.  And it's usually
> best to split out the PMIC pins from the non-pmic.  That's my 2
> cents at least.
>
>
> >  arch/arm64/boot/dts/qcom/Makefile                  |   1 +
> >  .../boot/dts/qcom/apq8016-var-dart-pmic-pins.dtsi  |  53 +++
> >  .../boot/dts/qcom/apq8016-var-dart-soc-pins.dtsi   |  88 ++++
> >  arch/arm64/boot/dts/qcom/apq8016-var-dart.dts      |  21 +
> >  arch/arm64/boot/dts/qcom/apq8016-var-dart.dtsi     | 525
>
> <snip>
>
> > + pins = "gpio32";
> > + };
> > + pinconf {
> > + pins = "gpio32";
> > + drive-strength = <2>;
> > + bias-disable;
> > + };
> > + };
> > +
> > + msm_key_volp_n_default: msm_key_volp_n_default {
>
> Schematics show this to be a Home button.  If so this needs to be
> updated to reflect that.
>
> > + pinmux {
> > + function = "gpio";
> > + pins = "gpio107";
> > + };
> > + pinconf {
> > + pins = "gpio107";
> > + drive-strength = <8>;
> > + input-enable;
> > + bias-pull-up;
> > + };
> > + };
> > +};
> > diff --git a/arch/arm64/boot/dts/qcom/apq8016-var-dart.dts
>
> <snip>
>
> > +/dts-v1/;
> > +
> > +#include "apq8016-var-dart.dtsi"
> > +
> > +/ {
> > + model = "Variscite LTD. VAR-DART410";
> > + compatible = "qcom,apq8016-dart", "qcom,apq8016", "qcom,dart";
>
> qcom isnt making this board.  Please use something like "variscite,dart",
> "qcom,apq8016"
>
> > +};
> > diff --git a/arch/arm64/boot/dts/qcom/apq8016-var-dart.dtsi
> > b/arch/arm64/boot/dts/qcom/apq8016-var-dart.dtsi
> > new file mode 100644
> > index 000000000000..f214d0b101a4
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/qcom/apq8016-var-dart.dtsi
>
> <snip>
> > +
> > + usb@...9000 {
> > + extcon = <&usb_id>, <&usb_id>;
> > + status = "okay";
> > + };
> > +
> > + ehci@...9000 {
> > + status = "okay";
>
> Can you try removing the echi and using the chipidea instead.  Take a
> look at the current db410c in -next.  Try it out and see if that works
> for you.  If it does, modify your nodes to match up.
>
> > + };
> > +
> > + phy@...9000 {
> > + v1p8-supply = <&pm8916_l7>;
> > + v3p3-supply = <&pm8916_l13>;
> > + vddcx-supply = <&pm8916_s1>;
> > + extcon = <&usb_id>, <&usb_id>;
> > + dr_mode = "otg";
> > + status = "okay";
> > + switch-gpio = <&pm8916_gpios 4 GPIO_ACTIVE_HIGH>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&usb_sw_sel_pm>;
>
> Same here, I think some things changed here.  Need to update.
> switch-gpio went away.
>
> > + };
> > +
> > + lpass@...08000 {
> > + status = "okay";
> > + };
> > +
>
> <snip>
>
>
> Regards,
>
> Andy Gross