configs: omapl138: Enable DM and DT

Enable Driver Model and Device-tree support for omapl138 board
in U-Boot. Also enable DM_SERIAL and DM_I2C.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

configs/omapl138_lcdk_defconfig

@@ -10,11 +10,11 @@ CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SPL_MMC_SUPPORT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL_NAND_SUPPORT=y
+CONFIG_DEFAULT_DEVICE_TREE="da850-lcdk"
 CONFIG_BOOTDELAY=3
 CONFIG_LOGLEVEL=3
 CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_CPUINFO is not set
-# CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_SPL=y
 CONFIG_SPL_BOARD_INIT=y
@@ -28,9 +28,13 @@ CONFIG_CMD_NAND=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DIAG=y
 CONFIG_CMD_UBI=y
+CONFIG_OF_CONTROL=y
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_BOOTP_DNS=y
+CONFIG_DM=y
+CONFIG_DM_I2C=y
+CONFIG_DM_I2C_COMPAT=y
 CONFIG_NAND=y
 CONFIG_SYS_NAND_BUSWIDTH_16BIT=y
 CONFIG_SYS_NAND_U_BOOT_LOCATIONS=y
@@ -39,6 +43,6 @@ CONFIG_SPL_NAND_SIMPLE=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
 CONFIG_DAVINCI_SPI=y
-CONFIG_OF_LIBFDT=y

include/configs/omapl138_lcdk.h

@@ -20,6 +20,14 @@
 #define	CONFIG_USE_NAND
 
 /*
+* Disable DM_* for SPL build and can be re-enabled after adding
+* DM support in SPL
+*/
+#ifdef CONFIG_SPL_BUILD
+#undef CONFIG_DM_I2C
+#undef CONFIG_DM_I2C_COMPAT
+#endif
+/*
  * SoC Configuration
  */
 #define CONFIG_MACH_OMAPL138_LCDK
@@ -105,11 +113,14 @@
 /*
  * Serial Driver info
  */
+#define CONFIG_SYS_NS16550_CLK	clk_get(DAVINCI_UART2_CLKID)
+#if !defined(CONFIG_DM_SERIAL)
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	-4	/* NS16550 register size */
 #define CONFIG_SYS_NS16550_COM1	DAVINCI_UART2_BASE /* Base address of UART2 */
 #define CONFIG_SYS_NS16550_CLK	clk_get(DAVINCI_UART2_CLKID)
 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+#endif
 
 #define CONFIG_SPI
 #define CONFIG_SYS_SPI_BASE		DAVINCI_SPI1_BASE
@@ -126,7 +137,6 @@
 /*
  * I2C Configuration
  */
-#define CONFIG_SYS_I2C
 #define CONFIG_SYS_I2C_DAVINCI
 #define CONFIG_SYS_DAVINCI_I2C_SPEED	25000
 #define CONFIG_SYS_DAVINCI_I2C_SLAVE	10 /* Bogus, master-only in U-Boot */