diff mbox series

[v5,3/6] arm64: dts: ti: k3-j7200-main.dtsi: Add USB to SERDES lane MUX

Message ID 20200930122032.23481-4-rogerq@ti.com (mailing list archive)
State New, archived
Headers show
Series arm64: dts: ti: Add USB support for J7200 EVM | expand

Commit Message

Roger Quadros Sept. 30, 2020, 12:20 p.m. UTC 
The USB controller can be connected to one of the 2 lanes
of SERDES0 using a MUX. Add a MUX controller node for that.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
index 8997276158ca..c638c3d8c0f2 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
@@ -31,6 +31,12 @@ 
 			mux-reg-masks = <0x4080 0x3>, <0x4084 0x3>, /* SERDES0 lane0/1 select */
 					<0x4088 0x3>, <0x408c 0x3>; /* SERDES0 lane2/3 select */
 		};
+
+		usb_serdes_mux: mux-controller@4000 {
+			compatible = "mmio-mux";
+			#mux-control-cells = <1>;
+			mux-reg-masks = <0x4000 0x8000000>; /* USB0 to SERDES0 lane 1/3 mux */
+		};
 	};
 
 	gic500: interrupt-controller@1800000 {