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

Message ID 20200629125254.28754-5-rogerq@ti.com
State Superseded
Headers show
Series arm64: ti: k3-j721e: Add SERDES PHY and USB3.0 support | expand

Commit Message

Roger Quadros June 29, 2020, 12:52 p.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(+)

-- 
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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 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 {