[PATCH v4 4/6] arm64: dts: ti: k3-j721e-main.dtsi: Add USB to SERDES MUX

[Roger Quadros <rogerq@ti.com>]

The USB controllers can be connected to one of the 2 SERDESes
using a MUX. Add a MUX controller node fot that.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
index 5f1f11b6fdff..469620aec9d4 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
@@ -44,6 +44,13 @@
 				      <MUX_IDLE_AS_IS>, <SERDES3_LANE1_USB3_0>,
 				      <SERDES4_LANE0_EDP_LANE0>, <SERDES4_LANE1_EDP_LANE1>, <SERDES4_LANE2_EDP_LANE2>, <SERDES4_LANE3_EDP_LANE3>;
 		};
+
+		usb_serdes_mux: mux-controller@4000 {
+			compatible = "mmio-mux";
+			#mux-control-cells = <1>;
+			mux-reg-masks = <0x4000 0x8000000>, /* USB0 to SERDES0/3 mux */
+					<0x4010 0x8000000>; /* USB1 to SERDES1/2 mux */
+	    };
 	};
 
 	gic500: interrupt-controller@1800000 {
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