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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

WARNING: multiple messages have this Message-ID (diff)
From: Lee Jones <lee.jones@linaro.org>
To: Jeffrey Hugo <jhugo@codeaurora.org>
Cc: balbi@kernel.org, david.brown@linaro.org,
	gregkh@linuxfoundation.org, linus.walleij@linaro.org,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	wsa+renesas@sang-engineering.com, 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

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2019-06-05 18:50 UTC|newest]

Thread overview: 71+ 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 ` Lee Jones
2019-06-04 10:44 ` [PATCH 2/8] i2c: i2c-qcom-geni: Signify successful driver probe Lee Jones
2019-06-04 10:44   ` Lee Jones
2019-06-04 10:44   ` Lee Jones
2019-06-05  6:20   ` Bjorn Andersson
2019-06-05  6:20     ` Bjorn Andersson
2019-06-05  7:16     ` Lee Jones
2019-06-05  7:16       ` Lee Jones
2019-06-05  7:22       ` Ard Biesheuvel
2019-06-05  7:22         ` Ard Biesheuvel
2019-06-05  8:23         ` Lee Jones
2019-06-05  8:23           ` Lee Jones
2019-06-05  7:56       ` Johan Hovold
2019-06-05  7:56         ` Johan Hovold
2019-06-05  8:20         ` Lee Jones
2019-06-05  8:20           ` Lee Jones
2019-06-05  8:33           ` Johan Hovold
2019-06-05  8:33             ` Johan Hovold
2019-06-05  8:49             ` Lee Jones
2019-06-05  8:49               ` Lee Jones
2019-06-05  8:55               ` Johan Hovold
2019-06-05  8:55                 ` Johan Hovold
2019-06-05 14:18                 ` Wolfram Sang
2019-06-05 14:18                   ` Wolfram Sang
2019-06-05 18:49                   ` Lee Jones
2019-06-05 18:49                     ` Lee Jones
2019-06-12 14:54                   ` Johan Hovold
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   ` Lee Jones
2019-06-04 10:44 ` [PATCH 4/8] pinctrl: qcom: sdm845: Provide ACPI support Lee Jones
2019-06-04 10:44   ` Lee Jones
2019-06-05  6:17   ` Bjorn Andersson
2019-06-05  6:17     ` Bjorn Andersson
2019-06-05  7:31     ` Lee Jones
2019-06-05  7:31       ` Lee Jones
2019-06-05 19:06       ` Bjorn Andersson
2019-06-05 19:06         ` Bjorn Andersson
2019-06-05 19:35         ` Lee Jones
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   ` Lee Jones
2019-06-04 10:44 ` [PATCH 6/8] usb: dwc3: qcom: Add support for booting with ACPI Lee Jones
2019-06-04 10:44   ` Lee Jones
2019-06-05  6:35   ` Bjorn Andersson
2019-06-05  6:35     ` Bjorn Andersson
2019-06-05  7:09     ` Lee Jones
2019-06-05  7:09       ` Lee Jones
2019-06-05  9:55       ` 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
2019-06-04 10:44   ` Lee Jones
2019-06-05  7:00   ` Bjorn Andersson
2019-06-05  7:00     ` Bjorn Andersson
2019-06-05  8:34     ` Lee Jones
2019-06-05  8:34       ` Lee Jones
2019-06-05 14:07       ` Jeffrey Hugo
2019-06-05 14:07         ` Jeffrey Hugo
2019-06-05 18:50         ` Lee Jones [this message]
2019-06-05 18:50           ` Lee Jones
2019-06-05 19:14       ` Bjorn Andersson
2019-06-05 19:14         ` Bjorn Andersson
2019-06-05 19:29         ` Lee Jones
2019-06-05 19:29           ` Lee Jones
2019-06-04 10:44 ` [PATCH 8/8] usb: dwc3: qcom: Improve error handling Lee Jones
2019-06-04 10:44   ` Lee Jones
2019-06-05  7:03   ` Bjorn Andersson
2019-06-05  7:03     ` Bjorn Andersson
  -- strict thread matches above, loose matches on Subject: below --
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
2019-06-05 11:43   ` Lee Jones

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