[PATCH V4 4/4] imx: imx8mq-evk: enable CONFIG_DM_SERIAL

[Peng Fan (OSS)]

From: Peng Fan <peng.fan at nxp.com>

Marked related nodes as u-boot,dm-spl for serial driver model
Enable CONFIG_DM_SERIAL

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm/dts/imx8mq-evk-u-boot.dtsi | 32 +++++++++++++++++++++++++++++
 configs/imx8mq_evk_defconfig        |  1 +
 2 files changed, 33 insertions(+)

diff --git a/arch/arm/dts/imx8mq-evk-u-boot.dtsi b/arch/arm/dts/imx8mq-evk-u-boot.dtsi
index 6f9c81462ea..919c1f66d38 100644
--- a/arch/arm/dts/imx8mq-evk-u-boot.dtsi
+++ b/arch/arm/dts/imx8mq-evk-u-boot.dtsi
@@ -2,6 +2,34 @@
 
 #include "imx8mq-u-boot.dtsi"
 
+&{/soc at 0} {
+	u-boot,dm-spl;
+};
+
+&{/soc at 0/bus at 30000000} {
+	u-boot,dm-spl;
+};
+
+&{/soc at 0/bus at 30400000} {
+	u-boot,dm-spl;
+};
+
+&{/soc at 0/bus at 30800000} {
+	u-boot,dm-spl;
+};
+
+&{/soc at 0/bus at 32c00000} {
+	u-boot,dm-spl;
+};
+
+&iomuxc {
+	u-boot,dm-spl;
+};
+
+&pinctrl_uart1 {
+	u-boot,dm-spl;
+};
+
 &usdhc1 {
 	mmc-hs400-1_8v;
 };
@@ -10,3 +38,7 @@
 	sd-uhs-sdr104;
 	sd-uhs-ddr50;
 };
+
+&uart1 {
+	u-boot,dm-spl;
+};
diff --git a/configs/imx8mq_evk_defconfig b/configs/imx8mq_evk_defconfig
index df7a259f35a..780f93103c7 100644
--- a/configs/imx8mq_evk_defconfig
+++ b/configs/imx8mq_evk_defconfig
@@ -80,6 +80,7 @@ CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_SPL_POWER_I2C=y
 CONFIG_DM_RESET=y
+CONFIG_DM_SERIAL=y
 CONFIG_MXC_UART=y
 CONFIG_DM_THERMAL=y
 CONFIG_USB=y
-- 
2.35.1