Messages in this thread | | | Subject | Re: [PATCH v2] usb: dwc3: Add support for VBUS power control | From | Mike Looijmans <> | Date | Thu, 11 Jun 2020 08:09:22 +0200 |
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Met vriendelijke groet / kind regards,
Mike Looijmans System Expert
TOPIC Embedded Products B.V. Materiaalweg 4, 5681 RJ Best The Netherlands
T: +31 (0) 499 33 69 69 E: mike.looijmans@topicproducts.com W: www.topicproducts.com
Please consider the environment before printing this e-mail On 10-06-2020 22:22, Rob Herring wrote: > On Wed, Jun 03, 2020 at 02:09:15PM +0200, Mike Looijmans wrote: >> Support VBUS power control using regulator framework. Enables the regulator >> while the port is in host mode. >> >> Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> >> --- >> v2: Add missing devm_regulator_get call which got lost during rebase >> >> .../devicetree/bindings/usb/dwc3.txt | 1 + >> drivers/usb/dwc3/core.c | 34 ++++++++++++++----- >> drivers/usb/dwc3/core.h | 4 +++ >> drivers/usb/dwc3/drd.c | 6 ++-- >> 4 files changed, 33 insertions(+), 12 deletions(-) >> >> diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt >> index 9946ff9ba735..56bc3f238e2d 100644 >> --- a/Documentation/devicetree/bindings/usb/dwc3.txt >> +++ b/Documentation/devicetree/bindings/usb/dwc3.txt >> @@ -37,6 +37,7 @@ Optional properties: >> - phys: from the *Generic PHY* bindings >> - phy-names: from the *Generic PHY* bindings; supported names are "usb2-phy" >> or "usb3-phy". >> + - vbus-supply: Regulator handle that provides the VBUS power. > Does the DWC3 block require Vbus to power itself? Doubtful. This > belongs in a usb-connector node. If the DWC3 driver wants to get the > Vbus supply, it can fetch it from that node. > > Rob
Ah, now I understand. There's a vbus-supply in the connector in newer kernel versions than the one I have to test with. It'll have to wait until I've been able to upgrade the kernel version for this board.
-- Mike Looijmans
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