linux-kernel - Re: [PATCH V2 2/3] Documentation: sprd: Add bindings for SP9860G

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Date:   Tue, 28 Feb 2017 17:14:07 +0800
From:   Chunyan Zhang <zhang.lyra@...il.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Chunyan Zhang <chunyan.zhang@...eadtrum.com>,
        Mark Rutland <mark.rutland@....com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Arnd Bergmann <arnd@...db.de>,
        Orson Zhai (翟京) 
        <orson.zhai@...eadtrum.com>, Sudeep Holla <sudeep.holla@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH V2 2/3] Documentation: sprd: Add bindings for SP9860G

On 28 February 2017 at 03:56, Rob Herring <robh@...nel.org> wrote:
> On Tue, Feb 21, 2017 at 02:55:03PM +0800, Chunyan Zhang wrote:
>> Added support for Spreadtrum SP9860G board and SC9860 SoC.
>> This patch also revised bindings of SC9836 to make the format
>> more clear.
>>
>> Signed-off-by: Chunyan Zhang <chunyan.zhang@...eadtrum.com>
>> ---
>>  Documentation/devicetree/bindings/arm/sprd.txt         | 13 ++++++++-----
>>  Documentation/devicetree/bindings/serial/sprd-uart.txt | 16 +++++++++++++++-
>
> Probably should be 2 commits.
>
> "dt-bindings: (arm|serial): " is the preferred subject prefix.

Ok, will do.

Thanks,
Chunyan

>
>>  2 files changed, 23 insertions(+), 6 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/arm/sprd.txt b/Documentation/devicetree/bindings/arm/sprd.txt
>> index 31a629d..3df034b 100644
>> --- a/Documentation/devicetree/bindings/arm/sprd.txt
>> +++ b/Documentation/devicetree/bindings/arm/sprd.txt
>> @@ -1,11 +1,14 @@
>>  Spreadtrum SoC Platforms Device Tree Bindings
>>  ----------------------------------------------------
>>
>> -Sharkl64 is a Spreadtrum's SoC Platform which is based
>> -on ARM 64-bit processor.
>> +SC9836 openphone Board
>> +Required root node properties:
>> +     - compatible = "sprd,sc9836-openphone", "sprd,sc9836";
>>
>> -SC9836 openphone board with SC9836 SoC based on the
>> -Sharkl64 Platform shall have the following properties.
>> +SC9860 SoC
>> +Required root node properties:
>> +     - compatible = "sprd,sc9860"
>>
>> +SP9860G 3GFHD Board
>>  Required root node properties:
>> -        - compatible = "sprd,sc9836-openphone", "sprd,sc9836";
>> +     - compatible = "sprd,sp9860g-1h10", "sprd,sc9860";
>> diff --git a/Documentation/devicetree/bindings/serial/sprd-uart.txt b/Documentation/devicetree/bindings/serial/sprd-uart.txt
>> index 2aff0f2..f530cbb 100644
>> --- a/Documentation/devicetree/bindings/serial/sprd-uart.txt
>> +++ b/Documentation/devicetree/bindings/serial/sprd-uart.txt
>> @@ -1,7 +1,21 @@
>>  * Spreadtrum serial UART
>>
>>  Required properties:
>> -- compatible: must be "sprd,sc9836-uart"
>> +- compatible must contain:
>> +  * "sprd,sc9836-uart" for SC9836 and all Spreadtrum SoCs
>> +  This also can be specific with:
>> +  * "sprd, sc9860-uart" for SC9860
> space        ^
>
>> +
>>  - reg: offset and length of the register set for the device
>>  - interrupts: exactly one interrupt specifier
>>  - clocks: phandles to input clocks.
>> +
>> +Example:
>> +     uart0: serial@...00000 {
>> +             compatible = "sprd,sc9838-uart",
>> +                          "sprd,sc9836-uart";
>> +             reg = <0x000000 0x100>;
>> +             interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
>> +             clocks = <&ext_26m>;
>> +             status = "disabled";
>
> No need for status in examples.
>
>> +     };
>> --
>> 2.7.4
>>