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Message-ID: <20190529091812.20764-3-kishon@ti.com>
Date:   Wed, 29 May 2019 14:48:08 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Tero Kristo <t-kristo@...com>, Nishanth Menon <nm@...com>
CC:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Kishon Vijay Abraham I <kishon@...com>
Subject: [PATCH 2/6] 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@...com>
---
 arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index 81e97d7adcc9..99d2402455d1 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@...0000 {
-- 
2.17.1

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