Re: [RFC] usb: chipidea: Add minimal support for HSIC interface on i.MX6QDL

2018-10-15 Thread Frieder Schrempf
On 12.10.2018 03:19, Peter Chen wrote: Thanks, I should do it earlier, I could not find a suitable board with HSIC support at mainline kernel. It is very kind that you could help on it and test function at real board. My suggestion is follow all flows in Link [2] since we need to cover sus

RE: [RFC] usb: chipidea: Add minimal support for HSIC interface on i.MX6QDL

2018-10-11 Thread Peter Chen
> > Thanks, I should do it earlier, I could not find a suitable board with HSIC > > support > at mainline kernel. > > It is very kind that you could help on it and test function at real > > board. My suggestion is follow all flows in Link [2] since we need to cover > suspend/resume and remote wa

Re: [RFC] usb: chipidea: Add minimal support for HSIC interface on i.MX6QDL

2018-10-10 Thread Frieder Schrempf
Hi Peter, On 09.10.2018 03:24, Peter Chen wrote: The topic has been discussed before: [1] And there is some implementation in the vendor kernel: [2] It seems like two things need to be done: 1. Switch the pinmux of the strobe signal to use a pullup after the core has been initialized.

RE: [RFC] usb: chipidea: Add minimal support for HSIC interface on i.MX6QDL

2018-10-08 Thread Peter Chen
> > The topic has been discussed before: [1] And there is some implementation in > the > vendor kernel: [2] > > It seems like two things need to be done: > > 1. Switch the pinmux of the strobe signal to use a pullup after >the core has been initialized. > 2. Enable HSIC mode and HSIC cloc