linux-kernel - Re: [PATCH V4 3/4] dt-bindings: serial: add a new compatible string for SC9860

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Date:   Mon, 27 Mar 2017 14:23:59 +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>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        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 V4 3/4] dt-bindings: serial: add a new compatible string
 for SC9860

Hi Rob,

On 24 March 2017 at 10:36, Rob Herring <robh@...nel.org> wrote:
> On Fri, Mar 17, 2017 at 01:51:37PM +0800, Chunyan Zhang wrote:
>> SC9860 use the same serial device which SC9836 uses, so added a new
>> compatible string to support SC9860 as well, also added an example
>> of how to describe this serial device in DT.
>>
>> Signed-off-by: Chunyan Zhang <chunyan.zhang@...eadtrum.com>
>> ---
>>  Documentation/devicetree/bindings/serial/sprd-uart.txt | 14 +++++++++++++-
>>  1 file changed, 13 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/serial/sprd-uart.txt b/Documentation/devicetree/bindings/serial/sprd-uart.txt
>> index 2aff0f2..1db5d6f 100644
>> --- a/Documentation/devicetree/bindings/serial/sprd-uart.txt
>> +++ b/Documentation/devicetree/bindings/serial/sprd-uart.txt
>> @@ -1,7 +1,19 @@
>>  * Spreadtrum serial UART
>>
>>  Required properties:
>> -- compatible: must be "sprd,sc9836-uart"
>> +- compatible: must be one of:
>> +  * "sprd,sc9836-uart"
>> +  * "sprd,sc9860-uart", "sprd,sc9836-uart"
>> +
>>  - reg: offset and length of the register set for the device
>>  - interrupts: exactly one interrupt specifier
>>  - clocks: phandles to input clocks.
>> +
>> +Example:
>> +     uart0: serial@...000 {
>
> serial@0
>

Addressed this.

> With that,
>
> Acked-by: Rob Herring <robh@...nel.org>

Thanks for your review,
Chunyan

>
>
>> +             compatible = "sprd,sc9860-uart",
>> +                          "sprd,sc9836-uart";
>> +             reg = <0x000000 0x100>;
>> +             interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
>> +             clocks = <&ext_26m>;
>> +     };
>> --
>> 2.7.4
>>