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From:   Greentime Hu <green.hu@gmail.com>
Date:   Fri, 19 Jan 2018 22:32:18 +0800
Message-ID: <CAEbi=3ef8JHf_Jpru1B2L3+Xz-Oz4p_t84Lh=5kuTFo0YEz=5A@mail.gmail.com>
Subject: Re: [PATCH v6 31/36] dt-bindings: nds32 CPU Bindings
To:     Arnd Bergmann <arnd@arndb.de>
Cc:     Greentime <greentime@andestech.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-arch <linux-arch@vger.kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Jason Cooper <jason@lakedaemon.net>,
        Marc Zyngier <marc.zyngier@arm.com>,
        Rob Herring <robh+dt@kernel.org>,
        Networking <netdev@vger.kernel.org>,
        Vincent Chen <deanbo422@gmail.com>,
        DTML <devicetree@vger.kernel.org>,
        Al Viro <viro@zeniv.linux.org.uk>,
        David Howells <dhowells@redhat.com>,
        Will Deacon <will.deacon@arm.com>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        linux-serial@vger.kernel.org,
        Geert Uytterhoeven <geert.uytterhoeven@gmail.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Mark Rutland <mark.rutland@arm.com>, Greg KH <greg@kroah.com>,
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        Randy Dunlap <rdunlap@infradead.org>,
        David Miller <davem@davemloft.net>,
        Jonas Bonn <jonas@southpole.se>,
        Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>,
        Stafford Horne <shorne@gmail.com>,
        Vincent Chen <vincentc@andestech.com>,
        Rick Chen <rick@andestech.com>, Zong Li <zong@andestech.com>
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2018-01-18 19:02 GMT+08:00 Arnd Bergmann <arnd@arndb.de>:
> On Mon, Jan 15, 2018 at 6:53 AM, Greentime Hu <green.hu@gmail.com> wrote:
>> From: Greentime Hu <greentime@andestech.com>
>>
>> This patch adds nds32 CPU binding documents.
>>
>> Signed-off-by: Vincent Chen <vincentc@andestech.com>
>> Signed-off-by: Rick Chen <rick@andestech.com>
>> Signed-off-by: Zong Li <zong@andestech.com>
>> Signed-off-by: Greentime Hu <greentime@andestech.com>
>> Reviewed-by: Rob Herring <robh@kernel.org>
>> ---
>>  Documentation/devicetree/bindings/nds32/cpus.txt |   37 ++++++++++++++++++++++
>>  1 file changed, 37 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/nds32/cpus.txt
>>
>> diff --git a/Documentation/devicetree/bindings/nds32/cpus.txt b/Documentation/devicetree/bindings/nds32/cpus.txt
>> new file mode 100644
>> index 0000000..9a52937
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/nds32/cpus.txt
>> @@ -0,0 +1,37 @@
>> +* Andestech Processor Binding
>> +
>> +This binding specifies what properties must be available in the device tree
>> +representation of a Andestech Processor Core, which is the root node in the
>> +tree.
>> +
>> +Required properties:
>> +
>> +       - compatible:
>> +               Usage: required
>> +               Value type: <string>
>> +               Definition: should be one of:
>> +                       "andestech,n13"
>> +                       "andestech,n15"
>> +                       "andestech,d15"
>> +                       "andestech,n10"
>> +                       "andestech,d10"
>> +                       "andestech,nds32v3"
>
> Based on https://lkml.org/lkml/2017/11/27/1290, this should say that
> the device tree should always list 'andestech,nds32v3' as the most
> generic 'compatible' value and list exactly one of the others in
> addition.
>
>        Arnd

Hi, Arnd:

I will remove the others and just left "andestech,nds32v3" in here.