linux-kernel - Re: [PATCH v10 1/2] dt-bindings: mtd: Add Nand Flash Controller support for Intel LGM SoC

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Date:   Sat, 30 May 2020 08:18:24 +0800
From:   "Ramuthevar, Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
To:     Rob Herring <robh@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org,
        devicetree@...r.kernel.org, miquel.raynal@...tlin.com,
        richard@....at, vigneshr@...com, arnd@...db.de,
        brendanhiggins@...gle.com, tglx@...utronix.de,
        boris.brezillon@...labora.com, anders.roxell@...aro.org,
        masonccyang@...c.com.tw, linux-mips@...r.kernel.org,
        hauke.mehrtens@...el.com, andriy.shevchenko@...el.com,
        qi-ming.wu@...el.com, cheol.yong.kim@...el.com
Subject: Re: [PATCH v10 1/2] dt-bindings: mtd: Add Nand Flash Controller
 support for Intel LGM SoC

Hi Rob,

On 30/5/2020 3:31 am, Rob Herring wrote:
> On Thu, May 28, 2020 at 11:39:28PM +0800, Ramuthevar,Vadivel MuruganX wrote:
>> From: Ramuthevar Vadivel Murugan<vadivel.muruganx.ramuthevar@...ux.intel.com>
>>
>> Add YAML file for dt-bindings to support NAND Flash Controller
>> on Intel's Lightning Mountain SoC.
>>
>> Signed-off-by: Ramuthevar Vadivel Murugan<vadivel.muruganx.ramuthevar@...ux.intel.com>
>> ---
>>   .../devicetree/bindings/mtd/intel,lgm-nand.yaml    | 93 ++++++++++++++++++++++
>>   1 file changed, 93 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml b/Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml
>> new file mode 100644
>> index 000000000000..afecc9920e04
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml
>> @@ -0,0 +1,93 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id:http://devicetree.org/schemas/mtd/intel,lgm-nand.yaml#
>> +$schema:http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Intel LGM SoC NAND Controller Device Tree Bindings
>> +
>> +allOf:
>> +  - $ref: "nand-controller.yaml"
>> +
>> +maintainers:
>> +  - Ramuthevar Vadivel Murugan<vadivel.muruganx.ramuthevar@...ux.intel.com>
>> +
>> +properties:
>> +  compatible:
>> +    const: intel,lgm-nand-controller
> Doesn't match the example.
Thank you for the review comments...

if we add the compatible = intel,lgm-nand-controller it throws an error 
like below..

/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/mtd/intel,lgm-nand.example.dt.yaml: 
nand-controller@...00000: '#address-cells', '#size-cells' do not match 
any of the regexes: '^nand@[a-f0-9]+$', 'pinctrl-[0-9]+'
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/mtd/intel,lgm-nand.example.dt.yaml: 
nand-controller@...00000: nand@0: '#address-cells', '#size-cells', 
'nand-on-flash-bbt' do not match any of the regexes: 'pinctrl-[0-9]+'

referred from this file 
:Documentation/devicetree/bindings/mtd/nand-controller.yaml

fixed the compatible and example doesn't match issue.

Regards
Vadivel

>