arm64: dts: add the imx8mm revb board supports

Add the iMX8MM REV B boards supports.

Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Reviewed-by: Fugang Duan <fugang.duan@nxp.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-ddr4-evk-revb.dts b/arch/arm64/boot/dts/freescale/imx8mm-ddr4-evk-revb.dts
new file mode 100644
index 000000000000..d442c9e8918e
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-ddr4-evk-revb.dts
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019 NXP
+ */
+
+/dts-v1/;
+
+#include "imx8mm-ddr4-evk.dts"
+
+/ {
+	model = "FSL i.MX8MM DDR4 EVK RevB board";
+};
+
+/*
+ * External OSC is used as PCIe REFCLK on RevC board.
+ * Use the -revb.dts file to distiguish the different
+ * HW design.
+ */
+&pcie0{
+	ext_osc = <0>;
+	status = "okay";
+};