diff --git a/board/bsh/imx8mn_smm_s2/imx8mn_smm_s2.c b/board/bsh/imx8mn_smm_s2/imx8mn_smm_s2.c
index c99896873991..fe2f91b82a2c 100644
--- a/board/bsh/imx8mn_smm_s2/imx8mn_smm_s2.c
+++ b/board/bsh/imx8mn_smm_s2/imx8mn_smm_s2.c
@@ -5,6 +5,8 @@
 
 #include <asm/arch/sys_proto.h>
 #include <env.h>
+#include <fdt_simplefb.h>
+#include <fdt_support.h>
 
 int board_init(void)
 {
@@ -20,3 +22,99 @@ int board_late_init(void)
 
 	return 0;
 }
+
+#if (IS_ENABLED(CONFIG_OF_LIBFDT) && IS_ENABLED(CONFIG_FDT_SIMPLEFB) && \
+	IS_ENABLED(CONFIG_VIDEO))
+static void smm_s2_setup_simplefb(void *blob)
+{
+#define DT_BLK_CTRL_NODE_PATH "/soc@0/bus@32c00000/blk-ctrl@32e28000"
+#define DT_GPC_NODE_PATH "/soc@0/bus@30000000/gpc@303a0000"
+#define DT_MIPI_DSI_NODE_PATH "/soc@0/bus@32c00000/dsi@32e10000"
+#define DT_LCDIF_NODE_PATH "/soc@0/bus@32c00000/lcdif@32e00000"
+
+	const char *dt_addnode[][2] = {
+		{ DT_BLK_CTRL_NODE_PATH, "lcdif" },
+		{ DT_BLK_CTRL_NODE_PATH, "mipi-dsi" },
+	};
+
+	const char *dt_addprop[][2] = {
+		{ "/regulator-3v3-O2", "regulator-boot-on" },
+		{ "/regulator-3v3-O3", "regulator-boot-on" },
+		{ DT_GPC_NODE_PATH"/pgc/power-domain@3", "fsl,boot-on" },
+		{ DT_GPC_NODE_PATH"/pgc/power-domain@4", "fsl,boot-on" },
+		{ DT_BLK_CTRL_NODE_PATH"/lcdif", "fsl,boot-on" },
+		{ DT_BLK_CTRL_NODE_PATH"/mipi-dsi", "fsl,boot-on" },
+		{ DT_MIPI_DSI_NODE_PATH, "samsung,boot-on" },
+		{ DT_MIPI_DSI_NODE_PATH"/panel@0", "syna,boot-on" },
+		{ DT_LCDIF_NODE_PATH, "fsl,boot-on" },
+	};
+	const char *dt_delprop[][2] = {
+		{ DT_BLK_CTRL_NODE_PATH, "assigned-clock-rates" },
+		{ DT_GPC_NODE_PATH"/pgc/power-domain@3", "assigned-clock-rates" }, // pgc_dispmix
+		{ DT_LCDIF_NODE_PATH, "assigned-clock-rates" },
+	};
+	int i, ret, offset;
+
+	ret = fdt_simplefb_enable_and_mem_rsv(blob);
+	if (ret) {
+		printf("Failed to enable framebuffer DTS node\n");
+		return;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(dt_addnode); i++) {
+		const char *path = dt_addnode[i][0];
+		const char *node = dt_addnode[i][1];
+
+		offset = fdt_path_offset(blob, path);
+		if (offset < 0) {
+			printf("Missing node %s, err=%s\n", path,
+			       fdt_strerror(offset));
+			continue;
+		}
+
+		offset = fdt_find_or_add_subnode(blob, offset, node);
+		if (offset < 0)
+			printf("Failed to create node %s, err=%s\n", path,
+			       fdt_strerror(offset));
+		else
+			debug("Add node %s:%s\n", path, node);
+	}
+
+	for (i = 0; i < ARRAY_SIZE(dt_addprop); i++) {
+		const char *path = dt_addprop[i][0];
+		const char *prop = dt_addprop[i][1];
+		ret = fdt_find_and_setprop(blob, path, prop, NULL, 0, 1);
+		if (ret < 0)
+			printf("Failed to add property %s:%s, err=%s\n", path, prop,
+			       fdt_strerror(ret));
+		else
+			debug("Add property %s:%s\n", path, prop);
+	}
+
+	for (i = 0; i < ARRAY_SIZE(dt_delprop); i++) {
+		const char *path = dt_delprop[i][0];
+		const char *prop = dt_delprop[i][1];
+
+		offset = fdt_path_offset(blob, path);
+		if (offset < 0) {
+			printf("Missing node %s\n", path);
+			continue;
+		}
+
+		ret = fdt_delprop(blob, offset, prop);
+		if (ret < 0)
+			printf("Failed to delete property %s:%s\n", path, prop);
+		else
+			debug("Delete property %s:%s\n", path, prop);
+	}
+}
+#endif
+
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+	if (IS_ENABLED(CONFIG_OF_LIBFDT) && IS_ENABLED(CONFIG_FDT_SIMPLEFB) &&
+	    IS_ENABLED(CONFIG_VIDEO))
+		smm_s2_setup_simplefb(blob);
+
+	return 0;
+}