arm: lager: Add support I2C

The lager board has I2C for rcar.
This supports I2C for rcar on lager board.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>

include/configs/lager.h

@@ -146,12 +146,26 @@
 #define CONFIG_BITBANGMII
 #define CONFIG_BITBANGMII_MULTI
 
+/* I2C */
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_RCAR
+#define CONFIG_SYS_RCAR_I2C0_BASE	0xE6508000
+#define CONFIG_SYS_RCAR_I2C0_SPEED	400000
+#define CONFIG_SYS_RCAR_I2C1_BASE	0xE6518000
+#define CONFIG_SYS_RCAR_I2C1_SPEED	400000
+#define CONFIG_SYS_RCAR_I2C2_BASE	0xE6530000
+#define CONFIG_SYS_RCAR_I2C2_SPEED	400000
+#define CONFIG_SYS_RCAR_I2C3_BASE	0xE6540000
+#define CONFIG_SYS_RCAR_I2C3_SPEED	400000
+#define CONFIF_SYS_RCAR_I2C_NUM_CONTROLLERS	4
+
 /* Board Clock */
 #define CONFIG_BASE_CLK_FREQ	20000000u
 #define CONFIG_SH_TMU_CLK_FREQ	(CONFIG_BASE_CLK_FREQ / 2) /* EXT / 2 */
 #define CONFIG_PLL1_CLK_FREQ	(CONFIG_BASE_CLK_FREQ * 156 / 2)
 #define CONFIG_PLL1_DIV2_CLK_FREQ	(CONFIG_PLL1_CLK_FREQ / 2)
 #define CONFIG_MP_CLK_FREQ	(CONFIG_PLL1_DIV2_CLK_FREQ / 15)
+#define CONFIG_HP_CLK_FREQ	(CONFIG_PLL1_CLK_FREQ / 12)
 #define CONFIG_SH_SCIF_CLK_FREQ	CONFIG_MP_CLK_FREQ
 
 #define CONFIG_SYS_TMU_CLK_DIV	4