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| author |   Biju Das <biju.das@bp.renesas.com> | 2019-09-04 09:15:41 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-04 14:18:49 +0200 |
| commit | 4aec2393f51418e63dd1e9090063aeda5a6b03d7 (patch) | |
| tree | 1dc256353756abb11a1ecc122f54bb50b60157a2 | |
| parent | usb: typec: driver for TI HD3SS3220 USB Type-C DRP port controller (diff) | |
| download | linux-dev-4aec2393f51418e63dd1e9090063aeda5a6b03d7.tar.xz linux-dev-4aec2393f51418e63dd1e9090063aeda5a6b03d7.zip | |
dt-bindings: usb: renesas_usb3: Document usb role switch support
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>
Link: https://lore.kernel.org/r/1567584941-13690-4-git-send-email-biju.das@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | Documentation/devicetree/bindings/usb/renesas,usb3-peri.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/renesas,usb3-peri.txt b/Documentation/devicetree/bindings/usb/renesas,usb3-peri.txt index 35039e720515..5eecfbc8aa7f 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>; + }; + }; + }; |