Re: [PATCH v3 7/9] dt-bindings: ata: ahci-platform: document port-supply

From: Icenowy Zheng
Date: Mon Jul 16 2018 - 12:03:23 EST




ä 2018å7æ16æ GMT+08:00 äå11:59:38, Rob Herring <robh@xxxxxxxxxx> åå:
>On Fri, Jul 13, 2018 at 11:03:04AM +0000, Corentin Labbe wrote:
>> This patch document the new optional port-supply
>>
>> Signed-off-by: Corentin Labbe <clabbe@xxxxxxxxxxxx>
>> ---
>> Documentation/devicetree/bindings/ata/ahci-platform.txt | 2 ++
>> 1 file changed, 2 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt
>b/Documentation/devicetree/bindings/ata/ahci-platform.txt
>> index 47652521a6ed..40a636b9851e 100644
>> --- a/Documentation/devicetree/bindings/ata/ahci-platform.txt
>> +++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt
>> @@ -31,6 +31,7 @@ Optional properties:
>> - dma-coherent : Present if dma operations are coherent
>> - clocks : a list of phandle + clock specifier pairs
>> - target-supply : regulator for SATA target power
>> +- port-supply : regulator for SATA port
>
>Humm, I'm pretty sure that's what target-supply was supposed to be. If
>anything, need to clearly define what is what.
>
>How does this work with multiple ports?

He wrongly named it. It's for PHY.

>
>> - phys : reference to the SATA PHY node
>> - phy-names : must be "sata-phy"
>> - ahci-supply : regulator for AHCI controller
>
>Also, please group all the supplies together.
>
>> @@ -51,6 +52,7 @@ Sub-nodes required properties:
>> And at least one of the following properties:
>> - phys : reference to the SATA PHY node
>> - target-supply : regulator for SATA target power
>> +- port-supply : regulator for SATA port
>>
>> Examples:
>> sata@ffe08000 {
>> --
>> 2.16.4
>>
>
>_______________________________________________
>linux-arm-kernel mailing list
>linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
>http://lists.infradead.org/mailman/listinfo/linux-arm-kernel