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Subject: Re: [PATCH v2 2/2] dt-binding: spi: add bindings for spi-ar934x
To:     Chuanhong Guo <gch981213@gmail.com>, Rob Herring <robh@kernel.org>
Cc:     linux-spi@vger.kernel.org, Mark Brown <broonie@kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>
References: <20200206150626.708649-1-gch981213@gmail.com>
 <20200206150626.708649-3-gch981213@gmail.com> <20200206205551.GA15172@bogus>
 <CAJsYDVKXvAkQawwayX8JVrjvEKPuTyQXE8rw=BRiyVROKrdWrg@mail.gmail.com>
From:   Florian Fainelli <f.fainelli@gmail.com>
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Message-ID: <7f53a397-0237-4c68-e284-d92adf19c368@gmail.com>
Date:   Fri, 7 Feb 2020 15:54:45 -0800
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On 2/6/20 9:55 PM, Chuanhong Guo wrote:
> On Fri, Feb 7, 2020 at 4:55 AM Rob Herring <robh@kernel.org> wrote:
>>
>> On Thu,  6 Feb 2020 23:06:26 +0800, Chuanhong Guo wrote:
>>> Add binding documentation for SPI controller in Qualcomm Atheros
>>> AR934x/QCA95xx SoCs.
>>>
>>> Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
>>> ---
>>> Changes since v1: none
>>>  .../bindings/spi/qca,ar934x-spi.yaml          | 40 +++++++++++++++++++
>>>  1 file changed, 40 insertions(+)
>>>  create mode 100644 Documentation/devicetree/bindings/spi/qca,ar934x-spi.yaml
>>>
>>
>> My bot found errors running 'make dt_binding_check' on your patch:
>>
>> Documentation/devicetree/bindings/display/simple-framebuffer.example.dts:21.16-37.11: Warning (chosen_node_is_root): /example-0/chosen: chosen node must be at root node
>> Error: Documentation/devicetree/bindings/spi/qca,ar934x-spi.example.dts:20.28-29 syntax error
>> FATAL ERROR: Unable to parse input tree
>> scripts/Makefile.lib:300: recipe for target 'Documentation/devicetree/bindings/spi/qca,ar934x-spi.example.dt.yaml' failed
>> make[1]: *** [Documentation/devicetree/bindings/spi/qca,ar934x-spi.example.dt.yaml] Error 1
>> Makefile:1263: recipe for target 'dt_binding_check' failed
>> make: *** [dt_binding_check] Error 2
>>
>> See https://patchwork.ozlabs.org/patch/1234394
>> Please check and re-submit.
> 
> It's caused by "clocks = <&pll ATH79_CLK_AHB>" where ATH79_CLK_AHB
> isn't defined without a include of dt-bindings/clock/ath79-clk.h
> I'll replace this with a bogus "clocks = <&spi_clock>" instead in v3.

You can include ath79-clk.h in your example, see for instance
Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml
-- 
Florian