sh: i2c: Add support I2C controller of SH7734

Renesas SH7734 has two I2C interfaceis.
This supports these I2C.

V5: - include i2c.h.
- Add check of icsr bit polling logic.
- Implement i2c_probe.
V4: - Remove sh_i2c_dump_reg function.
- Use puts() when there's no format.
- Chnage check for I2C bus number.
- Remove space before the semi-colon.
V3: - Fix error for whitespace.
V2: - Changed bit control to use the clr|set|clrsetbits_* functions.
- Fix wrong comment style.
- Add new line before for loop in i2c_read.

---
 drivers/i2c/Makefile        |    1 +
 drivers/i2c/sh_sh7734_i2c.c |  387 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 388 insertions(+), 0 deletions(-)
 create mode 100644 drivers/i2c/sh_sh7734_i2c.c

index 504db03..506269d 100644
@@ -44,6 +44,7 @@ COBJS-$(CONFIG_SPEAR_I2C) += spr_i2c.o
 COBJS-$(CONFIG_TSI108_I2C) += tsi108_i2c.o
 COBJS-$(CONFIG_U8500_I2C) += u8500_i2c.o
 COBJS-$(CONFIG_SH_I2C) += sh_i2c.o
+COBJS-$(CONFIG_SH_SH7734_I2C) += sh_sh7734_i2c.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)

1.7.9.1

-mike
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Hello Nobuhiro,

Applied to u-boot-i2c.git

Thanks!

bye
Heiko

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