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Date: Wed, 30 Sep 2020 15:20:29 +0300
From: Roger Quadros <rogerq@...com>
To: <nm@...com>
CC: <t-kristo@...com>, <nsekhar@...com>, <kishon@...com>,
<devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, Roger Quadros <rogerq@...com>
Subject: [PATCH v5 3/6] arm64: dts: ti: k3-j7200-main.dtsi: Add USB to SERDES lane MUX
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@...com>
Reviewed-by: Vignesh Raghavendra <vigneshr@...com>
---
arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 6 ++++++
1 file changed, 6 insertions(+)
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@...0 {
+ compatible = "mmio-mux";
+ #mux-control-cells = <1>;
+ mux-reg-masks = <0x4000 0x8000000>; /* USB0 to SERDES0 lane 1/3 mux */
+ };
};
gic500: interrupt-controller@...0000 {
--
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