sh_i2c.c support I2C0 and I2C1. This patch extends it to I2C4.
Acked-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu...@renesas.com>
Signed-off-by: Tetsuyuki Kobayashi <k...@kmckk.co.jp>
---
Changes for v2:
- new
Changes for v3:
- none
drivers/i2c/sh_i2c.c | 15 +++++++++++++++
include/configs/kzm9g.h | 5 ++++-
2 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/sh_i2c.c b/drivers/i2c/sh_i2c.c
index 6c6a141..d524619 100644
--- a/drivers/i2c/sh_i2c.c
+++ b/drivers/i2c/sh_i2c.c
@@ -200,6 +200,21 @@ 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;
}
diff --git a/include/configs/kzm9g.h b/include/configs/kzm9g.h
index abeab69..6a0b6c5 100644
--- a/include/configs/kzm9g.h
+++ b/include/configs/kzm9g.h
@@ -158,7 +158,7 @@
#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)
@@ -167,5 +167,8 @@
#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 */
--
1.7.9.5
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