Re: [PATCH] arm64: dts: mt8183: add cbas node under cros_ec

From: Ikjoon Jang <ikjn@chromium.org>
To: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Jiri Kosina <jikos@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	 Enric Balletbo i Serra <enric.balletbo@collabora.com>,
	 "moderated list:ARM/Mediatek SoC support"
	<linux-mediatek@lists.infradead.org>,
	linux-input@vger.kernel.org,
	 Benjamin Tissoires <benjamin.tissoires@redhat.com>,
	Hsinyi Wang <hsinyi@chromium.org>,
	 "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>,
	"moderated list:ARM/Mediatek SoC support"
	<linux-arm-kernel@lists.infradead.org>,
	 open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] arm64: dts: mt8183: add cbas node under cros_ec
Date: Thu, 13 May 2021 09:45:01 +0800	[thread overview]
Message-ID: <CAATdQgDfQUVQQwL1KQZvRffUgE+ADcwjBReWhCnmNL3SSgoE-A@mail.gmail.com> (raw)
In-Reply-To: <c5a253ba-6451-c538-39ea-c339c176afbb@gmail.com>

On Thu, May 13, 2021 at 12:38 AM Matthias Brugger
<matthias.bgg@gmail.com> wrote:
>
> Hi Ikjoon,
>
> On 10/05/2021 11:26, Ikjoon Jang wrote:
> > Add a 'cbas' device node for supporting table mode switch in

tablet

> > kukui devices.
> >
> > Kukui platforms with detacheable base have an additional input
> > device under cros-ec, which reports SW_TABLET_MODE regarding
> > its base state (e.g. base flipped or detached).
> >
> > Signed-off-by: Ikjoon Jang <ikjn@chromium.org>
> > ---
> >
> >  arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 4 ++++
> >  1 file changed, 4 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> > index ff56bcfa3370..40030ed48854 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> > @@ -816,6 +816,10 @@ usbc_extcon: extcon0 {
> >                       compatible = "google,extcon-usbc-cros-ec";
> >                       google,usb-port-id = <0>;
> >               };
> > +
> > +             base_detection: cbas {
> > +                     compatible = "google,cros-cbas";
>
> I'm not able to find any binding description for this. It seems linux-next has
> driver binding to this compatible, but the description is missing.
>
> Can you please clarify.

Yep, that's correct.
Let me resend this with v2 after the dt-binding patch is applied.

In this series, I requested queueing these to hid tree:

[v5, 1/2] mfd: google,cros-ec: add DT bindings for a baseboard's switch device
https://patchwork.kernel.org/project/linux-input/patch/20210415032958.740233-2-ikjn@chromium.org/

[v5, 2/2] HID: google: Add of_match table to Whiskers switch device.
https://patchwork.kernel.org/project/linux-input/patch/20210415032958.740233-3-ikjn@chromium.org/

Later I found that I missed a comment from [v5, 1/2]
But only [v5, 2/2] part is already applied to hid tree as I asked for it.

I sent a v6 dt-binding patch is here (not yet applied)
https://patchwork.kernel.org/project/linux-input/patch/20210512100832.3878138-1-ikjn@chromium.org/

>
> Thanks,
> Mathias
>
> > +             };
> >       };
> >  };
> >
> >

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