linux-kernel - [PATCH 1/1] arm64: dts: imx8mq: Add mux controller to iomuxc

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Message-Id: <fa3b1df7fc5e74f375df5de53061d1a93d154b51.1566471985.git.agx@sigxcpu.org>
Date:   Thu, 22 Aug 2019 13:10:23 +0200
From:   Guido Günther <agx@...xcpu.org>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Abel Vesa <abel.vesa@....com>,
        Anson Huang <Anson.Huang@....com>,
        Carlo Caione <ccaione@...libre.com>,
        "Angus Ainslie (Purism)" <angus@...ea.ca>,
        Guido Günther <agx@...xcpu.org>,
        Andrey Smirnov <andrew.smirnov@...il.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/1] arm64: dts: imx8mq: Add mux controller to iomuxc_gpr

The only mux controls the MIPI DSI input selection.

Signed-off-by: Guido Günther <agx@...xcpu.org>
---
 arch/arm64/boot/dts/freescale/imx8mq.dtsi | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 4fdd60f2c51e..3f3594d9485c 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -440,8 +440,15 @@
 			};
 
 			iomuxc_gpr: syscon@...40000 {
-				compatible = "fsl,imx8mq-iomuxc-gpr", "fsl,imx6q-iomuxc-gpr", "syscon";
+				compatible = "fsl,imx8mq-iomuxc-gpr", "fsl,imx6q-iomuxc-gpr",
+					     "syscon", "simple-mfd";
 				reg = <0x30340000 0x10000>;
+
+				mux: mux-controller {
+					compatible = "mmio-mux";
+					#mux-control-cells = <1>;
+					mux-reg-masks = <0x34 0x00000004>; /* MIPI_MUX_SEL */
+				};
 			};
 
 			ocotp: ocotp-ctrl@...50000 {
-- 
2.20.1