dm: powerpc: P5040DS: add i2c DM support

This supports i2c DM for board P5040DS
Signed-off-by: NBiwen Li <biwen.li@nxp.com>
Reviewed-by: NPriyanka Jain <priyanka.jain@nxp.com>

arch/powerpc/dts/p5040.dtsi

@@ -3,7 +3,7 @@
  * P5040 Silicon/SoC Device Tree Source (pre include)
  *
  * Copyright 2012 - 2015 Freescale Semiconductor Inc.
- * Copyright 2019 NXP
+ * Copyright 2019-2020 NXP
  */
 
 /dts-v1/;
@@ -85,6 +85,9 @@
 			reg = <0x114000 0x1000>;
 			clock-frequency = <0>;
 		};
+
+		/include/ "qoriq-i2c-0.dtsi"
+		/include/ "qoriq-i2c-1.dtsi"
 	};
 
 	pcie@ffe200000 {

include/configs/corenet_ds.h

 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright 2009-2012 Freescale Semiconductor, Inc.
+ * Copyright 2020 NXP
  */
 
 /*
@@ -276,14 +277,19 @@
 #define CONFIG_SYS_NS16550_COM4	(CONFIG_SYS_CCSRBAR+0x11D600)
 
 /* I2C */
+#ifndef CONFIG_DM_I2C
 #define CONFIG_SYS_I2C
-#define CONFIG_SYS_I2C_FSL
 #define CONFIG_SYS_FSL_I2C_SPEED	400000
 #define CONFIG_SYS_FSL_I2C_SLAVE	0x7F
 #define CONFIG_SYS_FSL_I2C_OFFSET	0x118000
 #define CONFIG_SYS_FSL_I2C2_SPEED	400000
 #define CONFIG_SYS_FSL_I2C2_SLAVE	0x7F
 #define CONFIG_SYS_FSL_I2C2_OFFSET	0x118100
+#else
+#define CONFIG_I2C_SET_DEFAULT_BUS_NUM
+#define CONFIG_I2C_DEFAULT_BUS_NUMBER	0
+#endif
+#define CONFIG_SYS_I2C_FSL
 
 /*
  * RapidIO