diff mbox series

[3/5] arm64: dts: ti: k3-j721e-main.dtsi: Add USB to SERDES MUX

Message ID 20200108111830.8482-4-rogerq@ti.com (mailing list archive)
State New, archived
Headers show
Series arm64: ti: k3-j721e: Add SERDES PHY and USB3.0 support | expand

Commit Message

Roger Quadros Jan. 8, 2020, 11:18 a.m. UTC 
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 mbox series

Patch

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
index 6741c1e67f50..7c60f8ec6365 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
@@ -43,6 +43,13 @@ 
 				      <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 {