arm64: dts: imx8mq: Add mux controller to iomuxc_gpr

The only mux controls the MIPI DSI input selection.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index f5d4b12..c51d571 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -440,8 +440,15 @@
                        };
 
                        iomuxc_gpr: syscon@30340000 {
-                               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@30350000 {