From: Lee Jones <lee.jones@linaro.org>
To: Jeffrey Hugo <jhugo@codeaurora.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>,
balbi@kernel.org, wsa+renesas@sang-engineering.com,
gregkh@linuxfoundation.org, linus.walleij@linaro.org,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
david.brown@linaro.org, alokc@codeaurora.org,
kramasub@codeaurora.org, linux-i2c@vger.kernel.org,
linux-gpio@vger.kernel.org, linux-arm-msm@vger.kernel.org,
andy.gross@linaro.org, jlhugo@gmail.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 7/8] usb: dwc3: qcom: Start USB in 'host mode' on the SDM845
Date: Wed, 5 Jun 2019 19:50:35 +0100 [thread overview]
Message-ID: <20190605185035.GV4797@dell> (raw)
In-Reply-To: <d9ba98e6-3caf-62fc-45ca-944cb718b7e4@codeaurora.org>
On Wed, 05 Jun 2019, Jeffrey Hugo wrote:
> On 6/5/2019 2:34 AM, Lee Jones wrote:
> > On Wed, 05 Jun 2019, Bjorn Andersson wrote:
> >
> > > On Tue 04 Jun 03:44 PDT 2019, Lee Jones wrote:
> > >
> > > > When booting with Device Tree, the current default boot configuration
> > > > table option, the request to boot via 'host mode' comes from the
> > > > "dr_mode" property.
> > >
> > > This has been the default on the MTP, but this is changing as this is
> > > causing issues when connected downstream from a hub (the typical
> > > development case for the primary USB port of a phone like device) and
> > > more importantly we don't have support for the PMIC blocks that control
> > > VBUS.
> >
> > My point is not about which mode is currently chosen. It's more about
> > the capability of choosing which mode is appropriate for a given
> > system via DT.
> >
> > > Once these issues are resolved the dr_mode would be "otg".
> >
> > OTG doesn't work on this H/W, so we need to specify "host" mode.
>
> How have you made that determination?
I enabled OTG and plugged in all of the things.
--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2019-06-05 18:50 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-04 10:44 [PATCH 1/8] i2c: i2c-qcom-geni: Provide support for ACPI Lee Jones
2019-06-04 10:44 ` [PATCH 2/8] i2c: i2c-qcom-geni: Signify successful driver probe Lee Jones
2019-06-05 6:20 ` Bjorn Andersson
2019-06-05 7:16 ` Lee Jones
2019-06-05 7:22 ` Ard Biesheuvel
2019-06-05 8:23 ` Lee Jones
2019-06-05 7:56 ` Johan Hovold
2019-06-05 8:20 ` Lee Jones
2019-06-05 8:33 ` Johan Hovold
2019-06-05 8:49 ` Lee Jones
2019-06-05 8:55 ` Johan Hovold
2019-06-05 14:18 ` Wolfram Sang
2019-06-05 18:49 ` Lee Jones
2019-06-12 14:54 ` Johan Hovold
2019-06-04 10:44 ` [PATCH 3/8] pinctrl: msm: Add ability for drivers to supply a reserved GPIO list Lee Jones
2019-06-04 10:44 ` [PATCH 4/8] pinctrl: qcom: sdm845: Provide ACPI support Lee Jones
2019-06-05 6:17 ` Bjorn Andersson
2019-06-05 7:31 ` Lee Jones
2019-06-05 19:06 ` Bjorn Andersson
2019-06-05 19:35 ` Lee Jones
2019-06-04 10:44 ` [PATCH 5/8] soc: qcom: geni: Add support for ACPI Lee Jones
2019-06-04 10:44 ` [PATCH 6/8] usb: dwc3: qcom: Add support for booting with ACPI Lee Jones
2019-06-05 6:35 ` Bjorn Andersson
2019-06-05 7:09 ` Lee Jones
2019-06-05 9:55 ` Lee Jones
2019-06-04 10:44 ` [PATCH 7/8] usb: dwc3: qcom: Start USB in 'host mode' on the SDM845 Lee Jones
2019-06-05 7:00 ` Bjorn Andersson
2019-06-05 8:34 ` Lee Jones
2019-06-05 14:07 ` Jeffrey Hugo
2019-06-05 18:50 ` Lee Jones [this message]
2019-06-05 19:14 ` Bjorn Andersson
2019-06-05 19:29 ` Lee Jones
2019-06-04 10:44 ` [PATCH 8/8] usb: dwc3: qcom: Improve error handling Lee Jones
2019-06-05 7:03 ` Bjorn Andersson
2019-06-05 11:42 [PATCH 1/8] i2c: i2c-qcom-geni: Provide support for ACPI Lee Jones
2019-06-05 11:43 ` [PATCH 7/8] usb: dwc3: qcom: Start USB in 'host mode' on the SDM845 Lee Jones
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