Linux ARM-MSM sub-architecture
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From: Stephan Gerhold <stephan@gerhold.net>
To: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Cc: agross@kernel.org, bjorn.andersson@linaro.org,
	robh+dt@kernel.org, krzk+dt@kernel.org,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	shawn.guo@linaro.org, jun.nie@linaro.org, benl@squareup.com,
	jwillcox@squareup.com, jgates@squareup.com, mchen@squareup.com,
	zac@squareup.com
Subject: Re: [PATCH v1 4/4] arm64: dts: Add msm8939 Sony Xperia M4 Aqua
Date: Wed, 20 Apr 2022 07:36:21 +0200	[thread overview]
Message-ID: <Yl+b1bYpT19TgRDS@gerhold.net> (raw)
In-Reply-To: <552547c1-36c3-8d7e-0fd5-1b22fd184b4b@linaro.org>

On Tue, Apr 19, 2022 at 11:03:30PM +0100, Bryan O'Donoghue wrote:
> On 19/04/2022 20:27, Stephan Gerhold wrote:
> > tulip seems to have qcom,usbid-gpio = <&msm_gpio 110 0>; downstream.
> > Have you tried setting it up using linux,extcon-usb-gpio?
> > See e.g. msm8916-longcheer-l8910, it has a similar setup (it also uses
> > smb1360 for charging actually).
> > 
> > The advantage is that you don't need the manual role switching using
> > "usb-role-switch", USB OTG adapters should be detected automatically.
> 
> My understanding is "no new extcon" - certainly as driver implementations I
> assume that also extends to dts..
> 

It's probably tricky to combine the USB-C stuff with extcon since that
needs driver changes. But for good old micro USB stuff extcon is
(perhaps sadly) the standard and it's exactly what the USB and USB PHY
driver expects. So in my opinion you might as well make use of it. :)

  reply	other threads:[~2022-04-20  5:36 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-19  1:08 [PATCH v1 0/4] Add MSM8939 SoC support with two devices Bryan O'Donoghue
2022-04-19  1:09 ` [PATCH v1 1/4] dt-bindings: arm: qcom: Document MSM8939 SoC binding Bryan O'Donoghue
2022-04-19  7:13   ` Krzysztof Kozlowski
2022-04-19 12:12   ` Rob Herring
2022-04-19  1:09 ` [PATCH v1 2/4] arm64: dts: Add msm8939 SoC Bryan O'Donoghue
2022-04-19  7:33   ` Krzysztof Kozlowski
2022-04-19  8:30     ` Bryan O'Donoghue
2022-04-19  8:44       ` Krzysztof Kozlowski
2022-04-20  9:31     ` Jun Nie
2022-04-20  9:38       ` Krzysztof Kozlowski
2022-04-20  9:57         ` Jun Nie
2022-04-20 10:00           ` Jun Nie
2022-04-20 10:10             ` Krzysztof Kozlowski
2022-04-20 10:09           ` Krzysztof Kozlowski
2022-04-19 18:31   ` Stephan Gerhold
2022-04-20 10:12     ` Jun Nie
2022-04-19 21:11   ` Bjorn Andersson
2022-04-20  5:34     ` Stephan Gerhold
     [not found]   ` <bc6ce23672c52b1f2593fcac720edf9ca9e9fdaa.camel@mailoo.org>
2022-04-19 22:01     ` Bryan O'Donoghue
2022-05-26 13:32     ` Bryan O'Donoghue
2022-04-19  1:09 ` [PATCH v1 3/4] arm64: dts: Add aqp8039-t2 board Bryan O'Donoghue
2022-04-19  7:35   ` Krzysztof Kozlowski
2022-04-19 19:20   ` Stephan Gerhold
2022-04-19 21:43     ` Bryan O'Donoghue
2022-04-19 21:39   ` Bjorn Andersson
2022-04-19 21:52     ` Bryan O'Donoghue
2022-04-19  1:09 ` [PATCH v1 4/4] arm64: dts: Add msm8939 Sony Xperia M4 Aqua Bryan O'Donoghue
2022-04-19 19:27   ` Stephan Gerhold
2022-04-19 22:03     ` Bryan O'Donoghue
2022-04-20  5:36       ` Stephan Gerhold [this message]
2022-05-26 22:03       ` Dmitry Baryshkov
2022-04-19 21:51   ` Bjorn Andersson

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