[U-Boot] [PATCH v3 00/12] exynos: enable dm i2c

Przemyslaw Marczak p.marczak at samsung.com
Tue Jan 27 13:40:28 CET 2015


Hello Simon,

On 01/27/2015 01:36 PM, Przemyslaw Marczak wrote:
> This patchset adds support to driver model i2c api for Exynos i2c driver.
> Few boards are using this driver, but the board peripherals are not ported
> to the new api yet. So the CONFIG_DM_I2C_COMPAT is enabled.
>
> Switch to dm i2c is currentlly not possible for the few devices like
> Trats2, Universal C210, S5P Goni, because ir require soft i2c support.
>
> For Odroid U3, the compatiblility layer is enabled, because it uses only
> one pmic driver, which soon is going to be moved to dm i2c with the dm pmic
> framework.
>
> The i2c dm compatibility layer is also enabled for Exynos5 boards,
> which should be removed after moving the i2c drivers to driver model.
>
> The main change from the previous version is:
> - non-required code cleanup after Simon Glass comments
> - add new pinmux flag for Exynos
> - split commit with s3c i2c status timeout change
> - fix build error for u-boot-dm/master
>
> Przemyslaw Marczak (12):
>    dm: i2c-uclass-compat: fix missed argument
>    arndale: config: disable max77686 support
>    exynos5250: config: disable max77686 driver
>    smdk5250: config: enable max77686 driver support
>    exynos4: dts: add missing i2c properties
>    arndale: dts: add missing i2c aliases
>    exynos5: pinmux: check flag for i2c config
>    i2c: s3c24x0: reduce transmission status timeout
>    dm: i2c: s3c24x0: adjust to dm-i2c api
>    odroid u3: dts: add missing i2c aliases
>    odroid u3: enable dm i2c support
>    exynos5: enable dm i2c
>
>   arch/arm/cpu/armv7/exynos/pinmux.c        |  27 +++-
>   arch/arm/dts/exynos4.dtsi                 |  24 ++-
>   arch/arm/dts/exynos4412-odroid.dts        |   7 +
>   arch/arm/dts/exynos5250-arndale.dts       |   8 +
>   arch/arm/include/asm/arch-exynos/pinmux.h |   3 +
>   board/samsung/odroid/odroid.c             |  14 +-
>   drivers/i2c/i2c-uclass-compat.c           |   2 +-
>   drivers/i2c/s3c24x0_i2c.c                 | 241 ++++++++++++++++++++++++------
>   include/configs/arndale.h                 |   2 -
>   include/configs/exynos5-common.h          |   7 +-
>   include/configs/exynos5250-common.h       |   3 -
>   include/configs/odroid.h                  |   5 +-
>   include/configs/smdk5250.h                |   2 +
>   13 files changed, 258 insertions(+), 87 deletions(-)
>

This version is available here:
https://github.com/bobenstein/u-boot/tree/dm-i2c-exynos_v3

One additional fix to: i2c-uclass-compat.c, the same issue is on 
u-boot-dm/i2c-working

Best regards,
-- 
Przemyslaw Marczak
Samsung R&D Institute Poland
Samsung Electronics
p.marczak at samsung.com


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