linux-usb.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Serge Semin <Sergey.Semin@baikalelectronics.ru>
To: Mathias Nyman <mathias.nyman@intel.com>,
	Felipe Balbi <balbi@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Rob Herring <robh+dt@kernel.org>
Cc: Serge Semin <Sergey.Semin@baikalelectronics.ru>,
	Serge Semin <fancer.lancer@gmail.com>,
	Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>,
	Pavel Parkhomenko <Pavel.Parkhomenko@baikalelectronics.ru>,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Manu Gautam <mgautam@codeaurora.org>,
	Roger Quadros <rogerq@ti.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
	Neil Armstrong <narmstrong@baylibre.com>,
	Kevin Hilman <khilman@baylibre.com>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-snps-arc@lists.infradead.org>,
	<linux-mips@vger.kernel.org>, <linuxppc-dev@lists.ozlabs.org>,
	<linux-usb@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, Rob Herring <robh@kernel.org>
Subject: [PATCH v3 11/16] dt-bindings: usb: dwc3: Add Tx De-emphasis constraints
Date: Tue, 20 Oct 2020 14:20:56 +0300	[thread overview]
Message-ID: <20201020112101.19077-12-Sergey.Semin@baikalelectronics.ru> (raw)
In-Reply-To: <20201020112101.19077-1-Sergey.Semin@baikalelectronics.ru>

In accordance with the driver comments the PIPE3 de-emphasis can be tuned
to be either -6dB, -2.5dB or disabled. Let's add the de-emphasis
property constraints so the DT schema would make sure the controller DT
node is equipped with correct value.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Rob Herring <robh@kernel.org>

---

Changelog v2:
- Grammar fix: "s/tunned/tuned"
- Grammar fix: remove redundant "or" conjunction.
---
 Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
index 23f07222d3d7..6ab7cba56059 100644
--- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
@@ -149,6 +149,10 @@ properties:
       The value driven to the PHY is controlled by the LTSSM during USB3
       Compliance mode.
     $ref: /schemas/types.yaml#/definitions/uint8
+    enum:
+      - 0 # -6dB de-emphasis
+      - 1 # -3.5dB de-emphasis
+      - 2 # No de-emphasis
 
   snps,dis_u3_susphy_quirk:
     description: When set core will disable USB3 suspend phy
-- 
2.27.0


  parent reply	other threads:[~2020-10-20 11:21 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-20 11:20 [PATCH v3 00/16] dt-bindings: usb: Add generic USB HCD, xHCI, DWC USB3 DT schema Serge Semin
2020-10-20 11:20 ` [PATCH v3 01/16] dt-bindings: usb: usb-hcd: Convert generic USB properties to " Serge Semin
2020-10-21  3:00   ` Chunfeng Yun
2020-10-21 15:46     ` Serge Semin
2020-10-26 16:46       ` Serge Semin
2020-11-10 15:05         ` Serge Semin
2020-10-20 11:20 ` [PATCH v3 02/16] dt-bindings: usb: usb-hcd: Add "otg-rev" property restriction Serge Semin
2020-10-20 11:20 ` [PATCH v3 03/16] dt-bindings: usb: usb-hcd: Add "ulpi/serial/hsic" PHY types Serge Semin
2020-10-20 11:20 ` [PATCH v3 04/16] dt-bindings: usb: usb-hcd: Add "tpl-support" property Serge Semin
2020-10-20 11:20 ` [PATCH v3 05/16] dt-bindings: usb: usb-hcd: Add generic "usb-phy" property Serge Semin
2020-10-20 19:34   ` Martin Blumenstingl
2020-10-20 11:20 ` [PATCH v3 06/16] dt-bindings: usb: Convert xHCI bindings to DT schema Serge Semin
2020-10-20 11:20 ` [PATCH v3 07/16] dt-bindings: usb: xhci: Add Broadcom STB v2 compatible device Serge Semin
2020-10-20 11:20 ` [PATCH v3 08/16] dt-bindings: usb: renesas-xhci: Refer to the usb-xhci.yaml file Serge Semin
2020-10-20 11:20 ` [PATCH v3 09/16] dt-bindings: usb: Convert DWC USB3 bindings to DT schema Serge Semin
2020-10-20 15:40   ` Rob Herring
2020-10-20 11:20 ` [PATCH v3 10/16] dt-bindings: usb: dwc3: Add interrupt-names property support Serge Semin
2020-10-20 11:20 ` Serge Semin [this message]
2020-10-20 11:20 ` [PATCH v3 12/16] dt-bindings: usb: dwc3: Add Frame Length Adj constraints Serge Semin
2020-10-20 11:20 ` [PATCH v3 13/16] dt-bindings: usb: meson-g12a-usb: Fix FL-adj property value Serge Semin
2020-10-20 11:20 ` [PATCH v3 14/16] dt-bindings: usb: meson-g12a-usb: Validate DWC2/DWC3 sub-nodes Serge Semin
2020-10-20 11:21 ` [PATCH v3 15/16] dt-bindings: usb: keystone-dwc3: Validate DWC3 sub-node Serge Semin
2020-10-20 11:21 ` [PATCH v3 16/16] dt-bindings: usb: qcom,dwc3: " Serge Semin

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=20201020112101.19077-12-Sergey.Semin@baikalelectronics.ru \
    --to=sergey.semin@baikalelectronics.ru \
    --cc=Alexey.Malahov@baikalelectronics.ru \
    --cc=Pavel.Parkhomenko@baikalelectronics.ru \
    --cc=agross@kernel.org \
    --cc=balbi@kernel.org \
    --cc=bjorn.andersson@linaro.org \
    --cc=devicetree@vger.kernel.org \
    --cc=fancer.lancer@gmail.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=khilman@baylibre.com \
    --cc=krzk@kernel.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mips@vger.kernel.org \
    --cc=linux-snps-arc@lists.infradead.org \
    --cc=linux-usb@vger.kernel.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=martin.blumenstingl@googlemail.com \
    --cc=mathias.nyman@intel.com \
    --cc=mgautam@codeaurora.org \
    --cc=narmstrong@baylibre.com \
    --cc=prabhakar.mahadev-lad.rj@bp.renesas.com \
    --cc=robh+dt@kernel.org \
    --cc=robh@kernel.org \
    --cc=rogerq@ti.com \
    --cc=yoshihiro.shimoda.uh@renesas.com \
    /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).