From: heiko@sntech.de (Heiko Stuebner)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 4/6] phy: rockchip-typec: force to USB2 if DP at 4 lanes mode
Date: Sat, 17 Feb 2018 01:09:52 +0100 [thread overview]
Message-ID: <4816286.2JUx8CKC3E@phil> (raw)
In-Reply-To: <20180216120956.19034-4-enric.balletbo@collabora.com>
Am Freitag, 16. Februar 2018, 13:09:54 CET schrieb Enric Balletbo i Serra:
> From: Chris Zhong <zyw@rock-chips.com>
>
> The usb3tousb2_en BIT will be clear to 0 in probe(), it make USB
> controller work at USB3 mode, and if the USB phy is turned on with DP
> only mode(4 lanes DP), the rockchip_usb3_phy_power_on() will return
> directly, so usb3_host_disable and usb3_host_port these 2 BIT will keep
> a same value as coreboot. In coreboot, these 3 BITs are set as USB2
> mode, but now one of the bits is changed to USB3, it make USB controller
> work at a unknown status.
>
> These 3 BITs should be changed to USB2, if the Type-C works at 4 lanes
> mode, and then switch it back to USB3 mode, when USB disconnect.
>
> Signed-off-by: Chris Zhong <zyw@rock-chips.com>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
next prev parent reply other threads:[~2018-02-17 0:09 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-16 12:09 [PATCH v3 1/6] phy: rockchip-typec: deprecate some DT properties for various register fields Enric Balletbo i Serra
2018-02-16 12:09 ` [PATCH v3 2/6] dt-bindings: phy-rockchip-typec: deprecate some register properties Enric Balletbo i Serra
2018-02-17 0:07 ` Heiko Stuebner
2018-02-19 20:02 ` Rob Herring
2018-02-16 12:09 ` [PATCH v3 3/6] phy: rockchip-typec: enable usb3 host during usb3 phy power on Enric Balletbo i Serra
2018-02-17 0:08 ` Heiko Stuebner
2018-02-16 12:09 ` [PATCH v3 4/6] phy: rockchip-typec: force to USB2 if DP at 4 lanes mode Enric Balletbo i Serra
2018-02-17 0:09 ` Heiko Stuebner [this message]
2018-02-16 12:09 ` [PATCH v3 5/6] phy: rockchip-typec: support DP phy switch Enric Balletbo i Serra
2018-02-17 0:10 ` Heiko Stuebner
2018-02-16 12:09 ` [PATCH v3 6/6] drm/rockchip: cdn-dp: remove the " Enric Balletbo i Serra
2018-02-17 0:10 ` Heiko Stuebner
2018-03-16 11:02 ` Heiko Stuebner
2018-02-17 0:06 ` [PATCH v3 1/6] phy: rockchip-typec: deprecate some DT properties for various register fields Heiko Stuebner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4816286.2JUx8CKC3E@phil \
--to=heiko@sntech.de \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).