Re: [PATCH v6 1/4] dt-bindings: fsl-imx-sdma: Convert imx sdma to DT schema

From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Alexander Stein <alexander.stein@ew.tq-group.com>,
	Joy Zou <joy.zou@nxp.com>
Cc: vkoul@kernel.org, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org,
	s.hauer@pengutronix.de, kernel@pengutronix.de,
	festevam@gmail.com, shengjiu.wang@nxp.com, martink@posteo.de,
	dev@lynxeye.de, peng.fan@nxp.com, david@ixit.cz,
	aford173@gmail.com, hongxing.zhu@nxp.com, linux-imx@nxp.com,
	dmaengine@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 1/4] dt-bindings: fsl-imx-sdma: Convert imx sdma to DT schema
Date: Wed, 7 Sep 2022 13:12:00 +0200	[thread overview]
Message-ID: <a0866b02-3fa3-96cc-3775-477ee40f09af@linaro.org> (raw)
In-Reply-To: <4743969.GXAFRqVoOG@steina-w>

On 06/09/2022 12:55, Alexander Stein wrote:
> Hi,
> 
> thanks for the YAML conversion patch.
> 
> Am Dienstag, 6. September 2022, 11:42:53 CEST schrieb Joy Zou:
>> Convert the i.MX SDMA binding to DT schema format using json-schema.
>>
>> The compatibles fsl,imx31-to1-sdma, fsl,imx31-to2-sdma, fsl,imx35-to1-sdma
>> and fsl,imx35-to2-sdma are not used. So need to delete it. The compatibles
>> fsl,imx50-sdma, fsl,imx6sll-sdma and fsl,imx6sl-sdma are added. The
>> original binding don't list all compatible used.
>>
>> In addition, add new peripheral types HDMI Audio.
>>
>> Signed-off-by: Joy Zou <joy.zou@nxp.com>
>> ---
>> Changes in v6:
>> delete tag Acked-by from commit message.
>>
>> Changes in v5:
>> modify the commit message fromat.
>> add additionalProperties, because delete the quotes in patch v4.
>> delete unevaluatedProperties due to similar to additionalProperties.
>> modification fsl,sdma-event-remap items and description.
>>
>> Changes in v4:
>> modify the commit message.
>> delete the quotes in patch.
>> modify the compatible in patch.
>> delete maxitems and add items for clock-names property.
>> add iram property.
>>
>> Changes in v3:
>> modify the commit message.
>> modify the filename.
>> modify the maintainer.
>> delete the unnecessary comment.
>> modify the compatible and run dt_binding_check and dtbs_check.
>> add clocks and clock-names property.
>> delete the reg description and add maxItems.
>> delete the interrupts description and add maxItems.
>> add ref for gpr property.
>> modify the fsl,sdma-event-remap ref type and add items.
>> delete consumer example.
>>
>> Changes in v2:
>> convert imx sdma bindings to DT schema.
>> ---
>>  .../devicetree/bindings/dma/fsl,imx-sdma.yaml | 147 ++++++++++++++++++
>>  .../devicetree/bindings/dma/fsl-imx-sdma.txt  | 118 --------------
>>  2 files changed, 147 insertions(+), 118 deletions(-)
>>  create mode 100644 Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml
>>  delete mode 100644 Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
>>
>> diff --git a/Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml
>> b/Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml new file mode
>> 100644
>> index 000000000000..3da65d3ea4af
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml
>> @@ -0,0 +1,147 @@
>> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/dma/fsl,imx-sdma.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Freescale Smart Direct Memory Access (SDMA) Controller for i.MX
>> +
>> +maintainers:
>> +  - Joy Zou <joy.zou@nxp.com>
>> +
>> +properties:
> 
> Is it sensible to add something like this?
> 
>   $nodename:
>     pattern: "^dma-controller(@.*)?$"
> 
> You are changing the node names in patch 3 anyway.
> 

No, the device schemas do not need to enforce the name. The
dma-controller schema enforces it, so what is missing here is to
reference it.

Best regards,
Krzysztof