[PATCH v2 3/6] arm64: dts: ti: k3-j7200-main.dtsi: Add USB to SERDES lane MUX

From: Roger Quadros
Date: Mon Sep 07 2020 - 11:30:35 EST


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@xxxxxx>
---
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 e72c7a0ccad5..af9e8e46b49e 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 {
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