Messages in this thread |  | | Subject | Re: [PATCH/RFT 08/12] ARM: davinci: register the usb20_phy clock on the SoC file | From | David Lechner <> | Date | Mon, 10 Oct 2016 18:27:49 -0500 |
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On 10/07/2016 11:42 AM, ahaslam@baylibre.com wrote: > From: Axel Haslam <ahaslam@baylibre.com> > > The usb20_phy clock needs to be registered for the driver to be able > to get and enable a clock. Currently the usb phy clocks are registered > form board files, which will not be called during a device tree based > boot. > > To be able to probe correctly usb form a device tree boot, register > the usb phy clocks form the SoC specific init. > > Unfourtunatly, davinci does not have proper clock support on device tree > yet, so by registering the clock form de SoC specific file we are > forced to hardcode the parent clock, and cannot select refclkin as > parent for any of the phy clocks of the da850 family.
FYI, I have started working on the clocks as well if you want to take it and run with it.
https://github.com/dlech/ev3dev-kernel/compare/9d6b50cde34b51309c74d97c26b1430c7ff6aa0f...d02084598785c369fdb23884171cbbec4fef77b0
(Ignore the ev3dev commit stuck in the middle there.)
> > As none of the current da850 based boards currently in mainline use > refclkin as source. I guess we can live with this limitation until clocks > are correctly represented through CCF/device tree. >
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