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From: Biju Das <biju.das@bp.renesas.com>
To: Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Biju Das <biju.das@bp.renesas.com>,
	Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	Felipe Balbi <balbi@kernel.org>,
	linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
	Simon Horman <horms@verge.net.au>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Chris Paterson <Chris.Paterson2@renesas.com>,
	Fabrizio Castro <fabrizio.castro@bp.renesas.com>,
	linux-renesas-soc@vger.kernel.org
Subject: [PATCH RESEND v7 3/3] dt-bindings: usb: renesas_usb3: Document usb role switch support
Date: Wed,  4 Sep 2019 09:15:41 +0100	[thread overview]
Message-ID: <1567584941-13690-4-git-send-email-biju.das@bp.renesas.com> (raw)
In-Reply-To: <1567584941-13690-1-git-send-email-biju.das@bp.renesas.com>

Update the DT bindings documentation to support usb role switch
for USB Type-C connector using USB role switch class framework.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 V7--> V7 RESEND
  * Rebased to the new file name renesas,usb3-peri.txt.
  * Added Reviewed-by tags of Rob and Shimoda-San.
 V6-->V7
  * Incorporated shimoda-san's review comments.
    (https://patchwork.kernel.org/patch/10944631/)
 V5-->V6
  * Updated description
  * Added usb-role-switch-property
 V4-->V5
  * No Change
 V3-->V4
  * No Change
 V2-->V3
  * Added optional renesas,usb-role-switch property.
 V1-->V2
  * Added usb-role-switch-property
  * Updated the example with usb-role-switch property.
---
 .../devicetree/bindings/usb/renesas,usb3-peri.txt  | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/renesas,usb3-peri.txt b/Documentation/devicetree/bindings/usb/renesas,usb3-peri.txt
index 35039e7..5eecfbc 100644
--- a/Documentation/devicetree/bindings/usb/renesas,usb3-peri.txt
+++ b/Documentation/devicetree/bindings/usb/renesas,usb3-peri.txt
@@ -22,6 +22,12 @@ Required properties:
 Optional properties:
   - phys: phandle + phy specifier pair
   - phy-names: must be "usb"
+  - usb-role-switch: support role switch. see usb/generic.txt
+
+Sub-nodes:
+- any connector to the data bus of this controller should be modelled using the
+  OF graph bindings specified in bindings/graph.txt, if the "usb-role-switch"
+  property is used.
 
 Example of R-Car H3 ES1.x:
 	usb3_peri0: usb@ee020000 {
@@ -39,3 +45,20 @@ Example of R-Car H3 ES1.x:
 		interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&cpg CPG_MOD 327>;
 	};
+
+Example of RZ/G2E:
+	usb3_peri0: usb@ee020000 {
+		compatible = "renesas,r8a774c0-usb3-peri",
+			     "renesas,rcar-gen3-usb3-peri";
+		reg = <0 0xee020000 0 0x400>;
+		interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cpg CPG_MOD 328>;
+		companion = <&xhci0>;
+		usb-role-switch;
+
+		port {
+			usb3_role_switch: endpoint {
+				remote-endpoint = <&hd3ss3220_ep>;
+			};
+		};
+	};
-- 
2.7.4

  parent reply	other threads:[~2019-09-04  8:15 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-04  8:15 [PATCH RESEND v7 0/3] Add USB3.0 and TI HD3SS3220 driver support Biju Das
2019-09-04  8:15 ` [PATCH RESEND v7 1/3] dt-bindings: usb: hd3ss3220 device tree binding document Biju Das
2020-07-15  8:43   ` Geert Uytterhoeven
2020-07-15  9:04     ` Prabhakar Mahadev Lad
2020-07-15 11:42     ` Biju Das
2020-07-15 15:37       ` Geert Uytterhoeven
2019-09-04  8:15 ` [PATCH RESEND v7 2/3] usb: typec: driver for TI HD3SS3220 USB Type-C DRP port controller Biju Das
2019-09-04  8:15 ` Biju Das [this message]
2019-10-03 13:06 ` [PATCH RESEND v7 0/3] Add USB3.0 and TI HD3SS3220 driver support Biju Das
2019-10-04 12:19   ` Greg Kroah-Hartman

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