imx: imx8mq-cm: enable CONFIG_DM_SERIAL

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

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Fabio Estevam <festevam@denx.de>

diff --git a/arch/arm/dts/imx8mq-cm-u-boot.dtsi b/arch/arm/dts/imx8mq-cm-u-boot.dtsi
index 476a8e3..e2f4b0e 100644 (file)
--- a/arch/arm/dts/imx8mq-cm-u-boot.dtsi
+++ b/arch/arm/dts/imx8mq-cm-u-boot.dtsi
@@ -9,6 +9,14 @@
        };
 };
 
+&pinctrl_uart1 {
+       u-boot,dm-spl;
+};
+
+&uart1 {
+       u-boot,dm-spl;
+};
+
 &binman {
         u-boot-spl-ddr {
                filename = "u-boot-spl-ddr.bin";

diff --git a/configs/imx8mq_cm_defconfig b/configs/imx8mq_cm_defconfig
index 1cca21e..8e02460 100644 (file)
--- a/configs/imx8mq_cm_defconfig
+++ b/configs/imx8mq_cm_defconfig
@@ -78,6 +78,7 @@ CONFIG_DM_PMIC_BD71837=y
 CONFIG_DM_REGULATOR=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_DM_SERIAL=y
 CONFIG_MXC_UART=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y