From: Chunfeng Yun <chunfeng.yun@mediatek.com>
To: Vinod Koul <vkoul@kernel.org>, Rob Herring <robh+dt@kernel.org>
Cc: Chunfeng Yun <chunfeng.yun@mediatek.com>,
Kishon Vijay Abraham I <kishon@ti.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
<linux-phy@lists.infradead.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
Eddie Hung <eddie.hung@mediatek.com>
Subject: [PATCH v2 2/7] dt-bindings: phy: mediatek,tphy: add property to set pre-emphasis
Date: Mon, 29 Aug 2022 16:08:25 +0800 [thread overview]
Message-ID: <20220829080830.5378-2-chunfeng.yun@mediatek.com> (raw)
In-Reply-To: <20220829080830.5378-1-chunfeng.yun@mediatek.com>
Add a property to set usb2 phy's pre-emphasis, which used to widen eye
opening and boost eye swing.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v2: Add more description suggested by Krzysztof
---
.../devicetree/bindings/phy/mediatek,tphy.yaml | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
index 848edfb1f677..e0754fb44451 100644
--- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
+++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
@@ -219,6 +219,16 @@ patternProperties:
minimum: 1
maximum: 15
+ mediatek,pre-emphasis:
+ description:
+ The level of pre-emphasis which used to widen the eye opening and
+ boost eye swing, the unit step is about 4.16% increment; e.g. the
+ level 1 means amplitude increases about 4.16%, the level 2 is about
+ 8.3% etc. (U2 phy)
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 1
+ maximum: 3
+
mediatek,bc12:
description:
Specify the flag to enable BC1.2 if support it
--
2.18.0
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-08-29 9:11 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-29 8:08 [PATCH v2 1/7] dt-bindings: phy: mediatek,tphy: add support type of SGMII Chunfeng Yun
2022-08-29 8:08 ` Chunfeng Yun [this message]
2022-08-30 17:38 ` [PATCH v2 2/7] dt-bindings: phy: mediatek,tphy: add property to set pre-emphasis Krzysztof Kozlowski
2022-08-31 3:14 ` Chunfeng Yun
2022-08-31 6:02 ` Krzysztof Kozlowski
2022-09-09 3:07 ` Chunfeng Yun
2022-09-09 7:11 ` Krzysztof Kozlowski
2022-09-09 8:27 ` Krzysztof Kozlowski
2022-08-29 8:08 ` [PATCH v2 3/7] phy: phy-mtk-tphy: " Chunfeng Yun
2022-08-31 8:14 ` AngeloGioacchino Del Regno
2022-09-08 1:39 ` Chunfeng Yun
2022-09-08 8:05 ` AngeloGioacchino Del Regno
2022-09-14 3:22 ` Chunfeng Yun
2022-08-29 8:08 ` [PATCH v2 4/7] phy: phy-mtk-tphy: disable hardware efuse when set INTR Chunfeng Yun
2022-08-31 8:22 ` AngeloGioacchino Del Regno
2022-08-29 8:08 ` [PATCH v2 5/7] phy: phy-mtk-tphy: disable gpio mode for all usb2 phys Chunfeng Yun
2022-08-29 8:08 ` [PATCH v2 6/7] phy: phy-mtk-tphy: set utmi 0 register in init() ops Chunfeng Yun
2022-08-29 8:08 ` [PATCH v2 7/7] phy: phy-mtk-tphy: fix the phy type setting issue Chunfeng Yun
2022-08-31 8:31 ` AngeloGioacchino Del Regno
2022-09-08 1:27 ` Chunfeng Yun
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=20220829080830.5378-2-chunfeng.yun@mediatek.com \
--to=chunfeng.yun@mediatek.com \
--cc=devicetree@vger.kernel.org \
--cc=eddie.hung@mediatek.com \
--cc=kishon@ti.com \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=krzysztof.kozlowski@canonical.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=linux-phy@lists.infradead.org \
--cc=matthias.bgg@gmail.com \
--cc=robh+dt@kernel.org \
--cc=vkoul@kernel.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).