From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
To: Anand Moon <linux.amoon@gmail.com>
Cc: devicetree <devicetree@vger.kernel.org>,
Neil Armstrong <narmstrong@baylibre.com>,
Kevin Hilman <khilman@baylibre.com>,
Kishon Vijay Abraham I <kishon@ti.com>,
Rob Herring <robh+dt@kernel.org>,
Emiliano Ingrassia <ingrassia@epigenesys.com>,
linux-amlogic@lists.infradead.org,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
Jerome Brunet <jbrunet@baylibre.com>
Subject: Re: [RFCv1 2/3] ARM: dts: meson8b: odroidc1: fix USB power supplies for phy
Date: Sun, 17 Feb 2019 15:26:46 +0100 [thread overview]
Message-ID: <CAFBinCALfZ4HbBdyXjMqFX-HyJtTyOU_FgW18+jK4cW4Svfenw@mail.gmail.com> (raw)
In-Reply-To: <CANAwSgRKgWCyNoDUxrK4asjZ_6z77Rew2nGCg1Yq9m3pi0Amrw@mail.gmail.com>
Hi Anand,
On Mon, Feb 11, 2019 at 4:09 PM Anand Moon <linux.amoon@gmail.com> wrote:
[...]
> Can we have other people who can test both the approach for
> *vbus-supply* vs *phy-supply* setting.
> Then we can conclude on the correct approach.
this is a good idea. do we focus on the 4x USB host ports for this
test or also on the OTG port?
my test-setup so far was:
- Odroid-C1+ board revision 0.4 20150615
- the board is powered using the micro USB port
- connect an USB thumb drive to one of the USB host ports
test-cases:
- an "unpatched" (in terms of USB power regulators) kernel
- using Anand's phy-supply = <&usb_vbus>; inside the usb1_phy node
- using vbus-supply = <&usb_vbus>; inside the usb1 node
in all thee scenarios the LED of my thumb drive did not light up and
there was nothing in the kernel log. also lsusb -vv didn't show
anything.
Anand, do you have any other test-case in mind that we need to check?
I CC'ed Emiliano because he initially added USB support to
meson8b-odroidc1.dts (that was before I got my own Odroid-C1+).
He can probably help us test on his board(s) as well.
> Honestly I am using power supply from dc jack rather than power via usb otg.
I don't have a plug which matches the little DC jack so I'm powering
my board using the micro USB connector.
Regards
Martin
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next prev parent reply other threads:[~2019-02-17 14:27 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-23 15:12 [RFCv1 0/3] Odroid c1+ usb fixs Anand Moon
2019-01-23 15:12 ` [RFCv1 1/3] phy: meson8b-usb2: Enable otg phy controller on Meson8b SoCs Anand Moon
2019-02-04 13:20 ` Martin Blumenstingl
2019-02-04 20:02 ` Anand Moon
2019-02-04 20:26 ` Martin Blumenstingl
2019-02-05 19:52 ` Anand Moon
2019-02-06 11:48 ` Martin Blumenstingl
2019-02-07 6:41 ` Anand Moon
2019-01-23 15:12 ` [RFCv1 2/3] ARM: dts: meson8b: odroidc1: fix USB power supplies for phy Anand Moon
2019-02-04 13:29 ` Martin Blumenstingl
2019-02-04 20:03 ` Anand Moon
2019-02-04 20:35 ` Martin Blumenstingl
2019-02-05 19:52 ` Anand Moon
2019-02-06 11:28 ` Martin Blumenstingl
2019-02-07 6:32 ` Anand Moon
2019-02-09 0:36 ` Martin Blumenstingl
2019-02-09 17:55 ` Anand Moon
2019-02-10 22:21 ` Martin Blumenstingl
2019-02-11 15:08 ` Anand Moon
2019-02-17 14:26 ` Martin Blumenstingl [this message]
2019-01-23 15:12 ` [RFCv1 3/3] ARM: dts: meson8b: odroidc1: enable the OTG capable USB controller Anand Moon
2019-02-04 13:51 ` [RFCv1 0/3] Odroid c1+ usb fixs Martin Blumenstingl
2019-02-04 20:04 ` Anand Moon
2019-02-04 20:38 ` Martin Blumenstingl
2019-02-05 19:53 ` Anand Moon
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