From: Chunfeng Yun <chunfeng.yun@mediatek.com>
To: Rob Herring <robh+dt@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, Hans de Goede <hdegoede@redhat.com>,
Felipe Balbi <felipe.balbi@linux.intel.com>,
Badhri Jagan Sridharan <badhri@google.com>,
Linus Walleij <linus.walleij@linaro.org>,
linux-usb@vger.kernel.org, Yu Chen <chenyu56@huawei.com>,
linux-kernel@vger.kernel.org, Biju Das <biju.das@bp.renesas.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Andy Shevchenko <andy.shevchenko@gmail.com>,
linux-mediatek@lists.infradead.org,
Min Guo <min.guo@mediatek.com>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
Nagarjuna Kristam <nkristam@nvidia.com>,
Adam Thomson <Adam.Thomson.Opensource@diasemi.com>,
linux-arm-kernel@lists.infradead.org, Li Jun <jun.li@nxp.com>
Subject: [PATCH v7 04/10] dt-bindings: usb: mtu3: add properties about USB Role Switch
Date: Tue, 11 Jun 2019 16:44:34 +0800 [thread overview]
Message-ID: <1560242680-23844-5-git-send-email-chunfeng.yun@mediatek.com> (raw)
In-Reply-To: <1560242680-23844-1-git-send-email-chunfeng.yun@mediatek.com>
Now the USB Role Switch is supported, so add properties about it,
and modify some description related.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
v7 no changes
v6 no changes
v5 changes:
1. modify decription about extcon and vbus-supply properties
2. make this patch depend on [1]
[1]: [v3] dt-binding: usb: add usb-role-switch property
https://patchwork.kernel.org/patch/10934835/
v4 no changes
v3 no changes
v2 changes:
1. fix typo
2. refer new binding about connector property
---
.../devicetree/bindings/usb/mediatek,mtu3.txt | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt b/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt
index 3382b5cb471d..3a8300205cdb 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt
@@ -28,8 +28,13 @@ Optional properties:
parent's address space
- extcon : external connector for vbus and idpin changes detection, needed
when supports dual-role mode.
+ it's considered valid for compatibility reasons, not allowed for
+ new bindings, and use "usb-role-switch" property instead.
- vbus-supply : reference to the VBUS regulator, needed when supports
dual-role mode.
+ it's considered valid for compatibility reasons, not allowed for
+ new bindings, and put into a usb-connector node.
+ see connector/usb-connector.txt.
- pinctrl-names : a pinctrl state named "default" is optional, and need be
defined if auto drd switch is enabled, that means the property dr_mode
is set as "otg", and meanwhile the property "mediatek,enable-manual-drd"
@@ -39,6 +44,8 @@ Optional properties:
- maximum-speed : valid arguments are "super-speed", "high-speed" and
"full-speed"; refer to usb/generic.txt
+ - usb-role-switch : use USB Role Switch to support dual-role switch, but
+ not extcon; see usb/generic.txt.
- enable-manual-drd : supports manual dual-role switch via debugfs; usually
used when receptacle is TYPE-A and also wants to support dual-role
mode.
@@ -61,6 +68,9 @@ The xhci should be added as subnode to mtu3 as shown in the following example
if host mode is enabled. The DT binding details of xhci can be found in:
Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
+The port would be added as subnode if use "usb-role-switch" property.
+ see graph.txt
+
Example:
ssusb: usb@11271000 {
compatible = "mediatek,mt8173-mtu3";
--
2.21.0
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next prev parent reply other threads:[~2019-06-11 8:45 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-11 8:44 [PATCH v7 00/10] add USB Type-B GPIO connector driver Chunfeng Yun
2019-06-11 8:44 ` [PATCH v7 01/10] dt-binding: usb: add usb-role-switch property Chunfeng Yun
2019-06-11 8:44 ` [PATCH v7 02/10] dt-bindings: connector: add optional properties for Type-B Chunfeng Yun
2019-06-11 8:44 ` [PATCH v7 03/10] dt-bindings: usb: add binding for Type-B GPIO connector driver Chunfeng Yun
2019-06-11 8:44 ` Chunfeng Yun [this message]
2019-06-11 8:44 ` [PATCH v7 05/10] usb: roles: Introduce stubs for the exiting functions in role.h Chunfeng Yun
2019-06-11 8:44 ` [PATCH v7 06/10] device connection: Add fwnode_connection_find_match() Chunfeng Yun
2019-06-11 8:44 ` [PATCH v7 07/10] usb: roles: Add fwnode_usb_role_switch_get() function Chunfeng Yun
2019-06-11 8:44 ` [PATCH v7 08/10] usb: roles: get usb-role-switch from parent Chunfeng Yun
2019-06-11 8:44 ` [PATCH v7 09/10] usb: roles: add USB Type-B GPIO connector driver Chunfeng Yun
2019-06-24 9:58 ` Heikki Krogerus
2019-06-25 8:55 ` Chunfeng Yun
2019-06-11 8:44 ` [PATCH v7 10/10] usb: mtu3: register a USB Role Switch for dual role mode Chunfeng Yun
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