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SubjectRe: [PATCH 1/2] Documentation: mmc: sdhci-of-arasan: add description of power domain
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On 2016年08月27日 22:50, Shawn Lin wrote:
> On 2016/8/27 21:41, Ziyuan Xu wrote:
>> Add power domain as a optional property for sdhci-of-arasan, which can
>> be truned off in the so-called unused condition, such as suspend and
>> remove. Aim to lower power requirements.
>>
>> Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
>>
>> ---
>>
>> Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 6 +++++-
>> 1 file changed, 5 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
>> b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
>> index 3404afa..3f5189c 100644
>> --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
>> +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
>> @@ -1,12 +1,14 @@
>> Device Tree Bindings for the Arasan SDHCI Controller
>>
>> - The bindings follow the mmc[1], clock[2], interrupt[3] and phy[4]
>> bindings.
>> + The bindings follow the mmc[1], clock[2], interrupt[3], phy[4] and
>> power
>> + domain[5] bindings.
>> Only deviations are documented here.
>>
>> [1] Documentation/devicetree/bindings/mmc/mmc.txt
>> [2] Documentation/devicetree/bindings/clock/clock-bindings.txt
>> [3]
>> Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
>> [4] Documentation/devicetree/bindings/phy/phy-bindings.txt
>> + [5] Documentation/devicetree/bindings/power/power_domain.txt
>>
>> Required Properties:
>> - compatible: Compatibility string. One of:
>> @@ -36,6 +38,8 @@ Optional Properties:
>> - #clock-cells: If specified this should be the value <0>. With
>> this property
>> in place we will export a clock representing the Card Clock.
>> This clock
>> is expected to be consumed by our PHY. You must also specify
>> + - power-domains: A phandle of and PM domain as specifier defined
>> by bindings
>
> A phandle of what?

That's a typo.

>
>> + of the power controller specified by phandle.
>>
>> Example:
>> sdhci@e0100000 {
>
> It would be nice to add the example code.

Okay, I will show a sample code in V2.

Thanks, shawn.

>
>>
>
>


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