From: marex@denx.de (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 02/12] usb: phy-mxs: Enable IC fixes for mx6 SoC serial
Date: Mon, 14 Oct 2013 04:07:10 +0200 [thread overview]
Message-ID: <201310140407.11129.marex@denx.de> (raw)
In-Reply-To: <20131014013119.GB3879@shlinux1.ap.freescale.net>
Dear Peter Chen,
> On Sat, Oct 12, 2013 at 11:38:16AM +0200, Marek Vasut wrote:
> > Hi,
> >
> > > After adding IC fixes bits, some PHY bugs are fixed by
> > > IC logic.
> >
> > Can you please elaborate what those bits do exactly ? They seem like a
> > magic stuff to me thus far, which is not exactly helpful . I can't find
> > them in the datasheet either.
>
> Yes, these bits are added at late TO verion for i.mx 6, and these TO
> versions will be for mass production, unfortunately, the related doc
> update may be forgotten.
>
> These two bits are related to two PHY bugs, two PHY bugs are still existed
> at mx28 and mx23, one bug is fixed at mx6dq and mx6dl, and both of two
> bugs are fixed at later mx6 (like mx6sololite and later SoCs), but the IC
> fixes are not enabled by default, it needs software opens it.
Sure, I get it. But what exactly does that bit do? Can you add a proper (and
likely beefy) comment into the code to supplement the missing parts in the
datasheet?
Best regards,
Marek Vasut
next prev parent reply other threads:[~2013-10-14 2:07 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-12 9:09 [PATCH 00/12] Add power management support for MXS PHY Peter Chen
2013-10-12 9:09 ` [PATCH 01/12] usb: phy-mxs: Add auto clock and power setting Peter Chen
2013-10-12 9:09 ` [PATCH 02/12] usb: phy-mxs: Enable IC fixes for mx6 SoC serial Peter Chen
2013-10-12 9:38 ` Marek Vasut
2013-10-14 1:31 ` Peter Chen
2013-10-14 2:07 ` Marek Vasut [this message]
2013-10-14 1:58 ` Peter Chen
2013-10-14 9:09 ` Shawn Guo
2013-10-14 9:09 ` Peter Chen
2013-10-14 9:29 ` Shawn Guo
2013-10-14 9:16 ` Peter Chen
2013-10-12 9:09 ` [PATCH 03/12] usb: phy-mxs: Add anatop regmap Peter Chen
2013-10-12 9:09 ` [PATCH 04/12] usb: phy: add notify suspend and resume callback Peter Chen
2013-10-12 9:09 ` [PATCH 05/12] usb: phy-mxs: Add implementation of nofity_suspend and notify_resume Peter Chen
2013-10-12 9:42 ` Marek Vasut
2013-10-14 1:36 ` Peter Chen
2013-10-14 2:08 ` Marek Vasut
2013-10-12 9:09 ` [PATCH 06/12] usb: phy: Add set_wakeup API Peter Chen
2013-10-12 9:09 ` [PATCH 07/12] usb: phy-mxs: Add implementation of set_wakeup Peter Chen
2013-10-12 9:44 ` Marek Vasut
2013-10-14 1:41 ` Peter Chen
2013-10-12 9:09 ` [PATCH 08/12] usb: phy-mxs: Add system suspend/resume API Peter Chen
2013-10-12 9:09 ` [PATCH 09/12] usb: phy-mxs: update binding for adding anatop phandle Peter Chen
2013-10-14 9:22 ` Shawn Guo
2013-10-14 9:10 ` Peter Chen
2013-10-12 9:09 ` [PATCH 10/12] ARM: dts: imx6: add anatop phandle for usbphy Peter Chen
2013-10-12 9:09 ` [PATCH 11/12] usb: phy-mxs: update binding for adding disconnect line property Peter Chen
2013-10-12 9:47 ` Marek Vasut
2013-10-14 1:44 ` Peter Chen
2013-10-12 15:05 ` Thomas Petazzoni
2013-10-14 1:45 ` Peter Chen
2013-10-12 9:09 ` [PATCH 12/12] ARM: dts: imx6: Add disconnect_line_without_vbus property for usbphy Peter Chen
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