[U-Boot] [PATCH 2/3] Odroid: Add eMMC-reset node on DT

Joonyoung Shim jy0922.shim at samsung.com
Fri Jan 9 08:30:53 CET 2015


+Cc Jaehoon,

On 01/09/2015 03:20 AM, Simon Glass wrote:
> Hi,
> 
> On 7 January 2015 at 22:44, Joonyoung Shim <jy0922.shim at samsung.com> wrote:
>> This needs for special handling of SD4_nRESET_OUT line for eMMC memory
>> to perform complete reboot on Odroid X2/U3 boards.
>>
>> Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
>> ---
>>  arch/arm/dts/exynos4412-odroid.dts | 5 +++++
>>  1 file changed, 5 insertions(+)
>>
>> diff --git a/arch/arm/dts/exynos4412-odroid.dts b/arch/arm/dts/exynos4412-odroid.dts
>> index ecb3e23..519a7dd 100644
>> --- a/arch/arm/dts/exynos4412-odroid.dts
>> +++ b/arch/arm/dts/exynos4412-odroid.dts
>> @@ -90,4 +90,9 @@
>>                         reg = <0x125B0000 0x100>;
>>                 };
>>         };
>> +
>> +       emmc-reset {
>> +               compatible = "samsung,emmc-reset";
>> +               reset-gpio = <&gpk1 2 0>;
>> +       };
>>  };
> 
> Shouldn't this go in the relevant sdhci node instead of its own node?
> 

Jaehoon, is it reasonable?

Thanks.


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