RE: [PATCH 2/3] phy: renesas: rcar-gen3-usb2: Add support for R7S9210

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Hi Shimodaさん

From: Yoshihiro Shimoda
Sent: Monday, November 19, 2018 3:58 AM
> And I read Figure 32.1 of the RZ/A2 documentation and I wonder if we need
> to release
> USBCTR.PLL_RST even if we use USB peripheral mode.

I will ask the RZ/A2 design team to confirm.

If this setting is required, I think we should use your suggestion:

From: Yoshihiro Shimoda
Sent: Thursday, November 15, 2018 4:20 AM
> So, I have an idea to set the default mode by using "dr_mode" property,
> instead of hardcoded. Since the driver already has such a function,
> we can reuse rcar_gen3_device_recognition() to set the default value.
> To achieve that, we need to modify the following though.
>  - Don't enable "is_otg_channel".
>  - Don't call rcar_gen3_enable_vbus_ctrl() to avoid ADPCTRL register
>    because RZ/A2 doesn't have it.
>  - Don't need to call rcar_gen3_set_linectrl to avoid LINECTRL1 register
>    because RZ/A2 doesn't seem to need the setting on host mode.


Chris





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