diff mbox series

[v7,2/7] dt-bindings: usb: renesas_usb3: Document usb role switch support

Message ID 1559296800-5610-3-git-send-email-biju.das@bp.renesas.com (mailing list archive)
State New, archived
Headers show
Series Add USB3.0 and TI HD3SS3220 driver support | expand

Commit Message

Biju Das May 31, 2019, 9:59 a.m. UTC
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>
---
 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.txt       | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)

Comments

Yoshihiro Shimoda June 3, 2019, 9:56 a.m. UTC | #1
Hi Biju-san,

> From: Biju Das, Sent: Friday, May 31, 2019 7:00 PM
> 
> 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>

Thank you for the patch!

Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>

Best regards,
Yoshihiro Shimoda
Rob Herring (Arm) June 11, 2019, 10:57 p.m. UTC | #2
On Fri, 31 May 2019 10:59:55 +0100, Biju Das wrote:
> 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>
> ---
>  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.txt       | 23 ++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/usb/renesas_usb3.txt b/Documentation/devicetree/bindings/usb/renesas_usb3.txt
index 35039e7..5eecfbc 100644
--- a/Documentation/devicetree/bindings/usb/renesas_usb3.txt
+++ b/Documentation/devicetree/bindings/usb/renesas_usb3.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>;
+			};
+		};
+	};