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[42/42] ARM: dts: r8a7743: Add xhci support to SoC dtsi

Message ID b6d3b649441936621c87b79bff8dd436e2397e3c.1508493785.git.horms+renesas@verge.net.au (mailing list archive)
State Accepted
Commit b6d3b649441936621c87b79bff8dd436e2397e3c
Headers show

Commit Message

Simon Horman Oct. 20, 2017, 10:29 a.m. UTC 
From: Fabrizio Castro <fabrizio.castro@bp.renesas.com>

Add node for xhci. Boards DT files will enable it if needed.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 arch/arm/boot/dts/r8a7743.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/r8a7743.dtsi b/arch/arm/boot/dts/r8a7743.dtsi
index 4db4f61be25a..7bbba4a36f31 100644
--- a/arch/arm/boot/dts/r8a7743.dtsi
+++ b/arch/arm/boot/dts/r8a7743.dtsi
@@ -932,6 +932,26 @@ 
 			status = "disabled";
 		};
 
+		/*
+		 * pci1 and xhci share the same phy, therefore only one of them
+		 * can be active at any one time. If both of them are enabled,
+		 * a race condition will determine who'll control the phy.
+		 * A firmware file is needed by the xhci driver in order for
+		 * USB 3.0 to work properly.
+		 */
+		xhci: usb@ee000000 {
+			compatible = "renesas,xhci-r8a7743",
+				     "renesas,rcar-gen2-xhci";
+			reg = <0 0xee000000 0 0xc00>;
+			interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 328>;
+			power-domains = <&sysc R8A7743_PD_ALWAYS_ON>;
+			resets = <&cpg 328>;
+			phys = <&usb2 1>;
+			phy-names = "usb";
+			status = "disabled";
+		};
+
 		sdhi0: sd@ee100000 {
 			compatible = "renesas,sdhi-r8a7743";
 			reg = <0 0xee100000 0 0x328>;