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Message-ID: <86d49766059a738e7182a49e6c113a12403b3b01.1530238400.git.chunfeng.yun@mediatek.com>
Date: Fri, 29 Jun 2018 10:20:28 +0800
From: Chunfeng Yun <chunfeng.yun@...iatek.com>
To: Kishon Vijay Abraham I <kishon@...com>
CC: Matthias Brugger <matthias.bgg@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Chunfeng Yun <chunfeng.yun@...iatek.com>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-usb@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
<devicetree@...r.kernel.org>
Subject: [PATCH 2/5] dt-bindings: phy-mtk-tphy: add optional properties for u2phy
Add some optional properties for eye diagram test and BC12 of
u2phy
Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
---
Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt b/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt
index 0d34b2b..a5f7a4f 100644
--- a/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt
+++ b/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt
@@ -47,6 +47,12 @@ Required properties (port (child) node):
- PHY_TYPE_PCIE
- PHY_TYPE_SATA
+Optional properties (PHY_TYPE_USB2 port (child) node):
+- mediatek,eye-src : u32, the value of slew rate calibrate
+- mediatek,eye-vrt : u32, the selection of VRT reference voltage
+- mediatek,eye-term : u32, the selection of HS_TX TERM reference voltage
+- mediatek,bc12 : bool, enable BC12 of u2phy if support it
+
Example:
u3phy: usb-phy@...90000 {
--
1.9.1
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