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i2c: sh_i2c.c: support I2C2, I2C3 and I2C4

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sh_i2c.c support I2C0 and I2C1. This patch extends it to I2C4.

Acked-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
This commit is contained in:
Tetsuyuki Kobayashi 2012-09-13 19:07:59 +00:00 • committed by Heiko Schocher
parent 3ce2703d8f
commit 020ec727a6
2 changed files with 19 additions and 1 deletions
drivers/i2c
sh_i2c.c
include/configs
kzm9g.h

15
drivers/i2c/sh_i2c.c
View file

@ -184,6 +184,21 @@ int i2c_set_bus_num(unsigned int bus)
case 1:
base = (void *)CONFIG_SH_I2C_BASE1;
break;
#ifdef CONFIG_SH_I2C_BASE2
case 2:
base = (void *)CONFIG_SH_I2C_BASE2;
break;
#endif
#ifdef CONFIG_SH_I2C_BASE3
case 3:
base = (void *)CONFIG_SH_I2C_BASE3;
break;
#endif
#ifdef CONFIG_SH_I2C_BASE4
case 4:
base = (void *)CONFIG_SH_I2C_BASE4;
break;
#endif
default:
return -1;
}

5
include/configs/kzm9g.h
View file

@ -157,7 +157,7 @@
#define CONFIG_SH_I2C_8BIT
#define CONFIG_HARD_I2C
#define CONFIG_I2C_MULTI_BUS
#define CONFIG_SYS_MAX_I2C_BUS (2)
#define CONFIG_SYS_MAX_I2C_BUS (5)
#define CONFIG_SYS_I2C_MODULE
#define CONFIG_SYS_I2C_SPEED (100000) /* 100 kHz */
#define CONFIG_SYS_I2C_SLAVE (0x7F)
@ -166,5 +166,8 @@
#define CONFIG_SH_I2C_CLOCK (104000000) /* 104 MHz */
#define CONFIG_SH_I2C_BASE0 (0xE6820000)
#define CONFIG_SH_I2C_BASE1 (0xE6822000)
#define CONFIG_SH_I2C_BASE2 (0xE6824000)
#define CONFIG_SH_I2C_BASE3 (0xE6826000)
#define CONFIG_SH_I2C_BASE4 (0xE6828000)
#endif /* __KZM9G_H */