From 30d2c17fb8efaf8c05b7751f56345771cfd071e3 Mon Sep 17 00:00:00 2001
From: Peng Fan <peng.fan@nxp.com>
Date: Tue, 14 Dec 2021 13:47:26 +0800
Subject: [PATCH] board: arm64: imx8mm_evk: add a dummy file

Because we currently use RAM_CONSOLE for now, and there is actually
no device in the build, so there is twister build failure,
add a dummy file to avoid build failure.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 boards/arm64/imx8mm_evk/CMakeLists.txt |  3 +++
 boards/arm64/imx8mm_evk/dummy.c        | 35 ++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 boards/arm64/imx8mm_evk/dummy.c

diff --git a/boards/arm64/imx8mm_evk/CMakeLists.txt b/boards/arm64/imx8mm_evk/CMakeLists.txt
index 9881313609a..c04749f674f 100644
--- a/boards/arm64/imx8mm_evk/CMakeLists.txt
+++ b/boards/arm64/imx8mm_evk/CMakeLists.txt
@@ -1 +1,4 @@
 # SPDX-License-Identifier: Apache-2.0
+
+zephyr_library()
+zephyr_library_sources(dummy.c)
diff --git a/boards/arm64/imx8mm_evk/dummy.c b/boards/arm64/imx8mm_evk/dummy.c
new file mode 100644
index 00000000000..a35d637c7ed
--- /dev/null
+++ b/boards/arm64/imx8mm_evk/dummy.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef CONFIG_UART_MCUX_IUART
+
+#define DT_DRV_COMPAT nxp_imx_iuart
+
+#include <device.h>
+#include <drivers/uart.h>
+#include <drivers/clock_control.h>
+#include <errno.h>
+#include <soc.h>
+
+static int dummy_init(const struct device *dev)
+{
+	return 0;
+}
+
+#define IUART_MCUX_INIT(n)						\
+									\
+	DEVICE_DT_INST_DEFINE(n,					\
+			    &dummy_init,				\
+			    NULL,					\
+			    NULL,					\
+			    NULL,					\
+			    PRE_KERNEL_1,				\
+			    0,						\
+			    NULL);
+
+DT_INST_FOREACH_STATUS_OKAY(IUART_MCUX_INIT)
+
+#endif