[PATCH v4 0/2] mmc: dw_mmc: exynos: Add HS400 support

Kukjin Kim kgene at kernel.org
Wed Jan 14 07:35:34 PST 2015


On 01/14/15 22:32, Jaehoon Chung wrote:
> Hi, Alim.
> 
> On 01/14/2015 07:30 PM, Alim Akhtar wrote:
>> This adds HS400 mode support for exynos dw_mmc host controller.
>>
>> Currently tested on Exynos5800-peach-pi platform for HS400 mode.
>> Tested HS200 mode with this series applied, HS200 still works.
>>
>> Appreciate testing on other exynos5/7 platform which supports emmc5.0
> 
> I will test this patch on exynos5/7 board.
> 

What's the result? :-) If it's OK, I'll take DT changes for exynos
stuff, I'm not sure about the driver changes though...

Thanks,
Kukjin

> Best Regards,
> Jaehoon Chung
>>
>> Changes in V4:
>> 	* drop the idea of changing existing binding for ciu_div as per [1]
>>         * addressed comments from Jaehoon Chung [2]
>>
>> [1] http://www.spinics.net/lists/linux-samsung-soc/msg40923.html
>> [2] http://www.spinics.net/lists/devicetree/msg64373.html
>>
>> Changes in V3:
>> 	rebased on ulf's next (commit: 607b448 mmc: core: Make tuning block patterns static)
>>
>> Seungwon Jeon (2):
>>   mmc: dw_mmc: exynos: Support eMMC's HS400 mode
>>   ARM: dts: Add HS400 support for exynos5420 and exynos5800
>>
>>  .../devicetree/bindings/mmc/exynos-dw-mshc.txt     |    7 +
>>  arch/arm/boot/dts/exynos5420-peach-pit.dts         |    4 +-
>>  arch/arm/boot/dts/exynos5420-pinctrl.dtsi          |    7 +
>>  arch/arm/boot/dts/exynos5420-smdk5420.dts          |    4 +-
>>  arch/arm/boot/dts/exynos5800-peach-pi.dts          |    4 +-
>>  drivers/mmc/host/dw_mmc-exynos.c                   |  187 ++++++++++++++++----
>>  drivers/mmc/host/dw_mmc-exynos.h                   |   19 +-
>>  drivers/mmc/host/dw_mmc.c                          |   16 +-
>>  drivers/mmc/host/dw_mmc.h                          |    2 +
>>  9 files changed, 212 insertions(+), 38 deletions(-)



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