Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1471504

Re: [PATCH 1/2] Documentation: mmc: sdhci-of-arasan: add description of power domain

From Ziyuan Xu <xzy.xu@rock-chips.com>
Newsgroups linux.kernel
Subject Re: [PATCH 1/2] Documentation: mmc: sdhci-of-arasan: add description of power domain
Date 2016-08-29 02:40 +0200
Message-ID <sbiMh-hG-3@gated-at.bofh.it> (permalink)
References <saM9H-5a8-3@gated-at.bofh.it> <saM9H-5a8-1@gated-at.bofh.it> <saNfr-5Ok-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw



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.

>
>>
>
>

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread


Thread

[PATCH 1/2] Documentation: mmc: sdhci-of-arasan: add description of power domain Ziyuan Xu <xzy.xu@rock-chips.com> - 2016-08-27 15:50 +0200
  Re: [PATCH 1/2] Documentation: mmc: sdhci-of-arasan: add description  of power domain Shawn Lin <shawn.lin@rock-chips.com> - 2016-08-27 17:00 +0200
    Re: [PATCH 1/2] Documentation: mmc: sdhci-of-arasan: add description  of power domain Ziyuan Xu <xzy.xu@rock-chips.com> - 2016-08-29 02:40 +0200

csiph-web