[U-Boot] [PATCH v6 2/5] i2c: UniPhier: add driver for UniPhier i2c controller

[Simon Glass]

On 12 January 2015 at 19:44, Masahiro Yamada <yamada.m at jp.panasonic.com> wrote:
> This commit adds on-chip I2C driver used on some old Panasonic
> UniPhier SoCs.
>
> Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>
> Acked-by: Simon Glass <sjg at chromium.org>
> Acked-by: Heiko Schocher <hs at denx.de>
> ---
>
> Changes in v6:
>   - Pass (struct uniphier_fi2c_regs*) to reset_bus() and
>     check_device_busy()
>   - Add "static" to issue_stop()
>   - Remove an extra blank line

Applied to u-boot-dm, thanks!

>
> Changes in v5:
>   - Drop unnecessary __packed
>
> Changes in v4:
>   - Use a structure instead of macros for register access
>
> Changes in v3: None
> Changes in v2:
>   - Fix a typo.  s/freqency/frequency/
>   - Add some comments to explain the formula calculating
>     wait time.
>   - add comments on every register
>   - skip stop condition if the next message is read
>
>  drivers/i2c/Kconfig        |   8 ++
>  drivers/i2c/Makefile       |   1 +
>  drivers/i2c/i2c-uniphier.c | 239 +++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 248 insertions(+)
>  create mode 100644 drivers/i2c/i2c-uniphier.c
>