Linux-ARM-MSM Archive on
 help / color / Atom feed
From: Rob Herring <>
Cc: Kishon Vijay Abraham I <>,
	Can Guo <>,, Vivek Gautam <>,
	Manu Gautam <>,,,
	Varadarajan Narayanan <>,, Douglas Anderson <>,,,
	Mark Rutland <>
Subject: Re: [PATCH] dt-bindings: phy-qcom-qmp: Fix several mistakes from prior commits
Date: Wed, 17 Oct 2018 19:38:33 -0500
Message-ID: <20181018003833.GA573@bogus> (raw)
In-Reply-To: <>

On Fri, 12 Oct 2018 14:36:32 -0700, Douglas Anderson wrote:
> Digging through the "phy-qcom-qmp" showed me many inconsistencies
> between the bindings and the reality of the driver.  Let's fix them
> all.
> * In commit 2d66eab18375 ("dt-bindings: phy: qmp: Add support for QMP
>   phy in IPQ8074") we probably should have explicitly listed that
>   there are no clocks for this PHY and also added the reset names in
>   alphabetical order.  You can see that there are no clocks in the
>   driver where "clk_list" is NULL.
> * In commit 8587b220f05e ("dt-bindings: phy-qcom-qmp: Update bindings
>   for QMP V3 USB PHY") we probably should have listed the resets for
>   this new PHY and also removed the "(Optional)" marking for the "cfg"
>   reset since PHYs that need "cfg" really do need it.  It's just that
>   not all PHYs need it.
> * In commit 7f0802074120 ("dt-bindings: phy-qcom-qmp: Update bindings
>   for sdm845") we forgot to update one instance of the string
>   "qcom,qmp-v3-usb3-phy" to be "qcom,sdm845-qmp-usb3-phy".  Let's fix
>   that.  We should also have added "qcom,sdm845-qmp-usb3-uni-phy" to
>   the clock-names and reset-names lists.
> * In commit 99c7c7364b71 ("dt-bindings: phy-qcom-qmp: Add UFS phy
>   compatible string for sdm845") we should have added the set of
>   clocks and resets for "qcom,sdm845-qmp-ufs-phy".  These were taken
>   from the driver.
> * Cleanup the wording for what properties child nodes have to make it
>   more obvious which types of PHYs need clocks and resets.  This was
>   sorta implicit in the "-names" description but I found myself
>   confused.
> * As per the code not all "pcie qmp phys" have resets.  Specifically
>   note that the "has_lane_rst" property in the driver is false for
>   "ipq8074-qmp-pcie-phy".  Thus make it clear exactly which PHYs need
>   child nodes with resets.
> Signed-off-by: Douglas Anderson <>
> ---
>  .../devicetree/bindings/phy/qcom-qmp-phy.txt  | 31 ++++++++++++++-----
>  1 file changed, 23 insertions(+), 8 deletions(-)

Reviewed-by: Rob Herring <>

      parent reply index

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-12 21:36 Douglas Anderson
2018-10-17 23:36 ` Evan Green
2018-10-18  0:38 ` Rob Herring [this message]

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:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20181018003833.GA573@bogus \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux-ARM-MSM Archive on

Archives are clonable:
	git clone --mirror linux-arm-msm/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-arm-msm linux-arm-msm/ \
	public-inbox-index linux-arm-msm

Example config snippet for mirrors

Newsgroup available over NNTP:

AGPL code for this site: git clone