From: Kishon Vijay Abraham I <kishon@ti.com>
Date: Wed, 29 May 2019 09:18:08 +0000 (+0530)
Subject: arm64: dts: k3-am6: Add mux-controller DT node required for muxing SERDES
X-Git-Tag: v5.15~5870^2~38^2~14
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1cbe04b0b74414f1182213e7f9d90e9ffe258e6d;p=platform%2Fkernel%2Flinux-starfive.git

arm64: dts: k3-am6: Add mux-controller DT node required for muxing SERDES

Add mux-controller DT node as a child node of scm_conf. This is
required for muxing SERDES between USB, PCIe and ICSS2 SGMII.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
---

diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index 27dedca..877597f 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -233,6 +233,13 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x0 0x0 0x00100000 0x1c000>;
+
+		serdes_mux: mux-controller {
+			compatible = "mmio-mux";
+			#mux-control-cells = <1>;
+			mux-reg-masks = <0x4080 0x3>, /* SERDES0 lane select */
+					<0x4090 0x3>; /* SERDES1 lane select */
+		};
 	};
 
 	dwc3_0: dwc3@4000000 {