From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Kuldeep Singh <singh.kuldeep87k@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Vinod Koul <vkoul@kernel.org>,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-msm@vger.kernel.org, dmaengine@vger.kernel.org
Subject: Re: [PATCH v2 6/6] dt-bindings: dma: Convert Qualcomm BAM DMA binding to json format
Date: Mon, 11 Apr 2022 13:38:41 +0200 [thread overview]
Message-ID: <50defa36-3d91-80ea-e303-abaade1c1f7e@linaro.org> (raw)
In-Reply-To: <20220411105810.GB33220@9a2d8922b8f1>
On 11/04/2022 12:58, Kuldeep Singh wrote:
>> This is something new and it seems only one SoC defines it (not even one
>> BAM version). I wonder whether this is actually correct or this
>> particular version of BAM is slightly different. Maybe someone could
>> clarify it, but if no - looks ok.
>
> Yes, sdm845.dtsi uses 4 entries and rest 1.
Yes, I know. This does not solve my wonder.
>
>>
>>> +
>>> + num-channels:
>>> + $ref: /schemas/types.yaml#/definitions/uint32
>>> + description:
>>> + Indicates supported number of DMA channels in a remotely controlled bam.
>>> +
>>> + qcom,controlled-remotely:
>>> + $ref: /schemas/types.yaml#/definitions/flag
>>
>> type: boolean
>
> Boolean comes under flag in types.yaml
>
> definitions:
> flag:
> oneOf:
> - type: boolean
> const: true
> - type: 'null'
>
> I have seen other boolean properties(spi-cpol, spi-cpha and bunch of
> others) using type flag. I think we should keep flag here.
type:boolean is just shorter and example-schema recommends it. If you
want to base on something (as a template, pattern) then the
example-schema is the source, the preferred one.
>>> +required:
>>> + - compatible
>>> + - "#dma-cells"
>>> + - interrupts
>>> + - reg
>>
>> clocks, clock-names, qcom-ee - these are required according to old bindings.
>
> I missed qcom,ee. Will add in v3.
>
> For clocks and clock-names , there are two platforms(msm8996.dtsi,
> sdm845.dtsi) where these properties are missing. And I don't want to add
> some random values. Shall I skip them here? and let board owners add
> them later.
These are required, so the SoC DTSI should be fixed. Not with random
clocks but something proper. :)
Best regards,
Krzysztof
next prev parent reply other threads:[~2022-04-11 11:38 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-10 17:50 [PATCH v2 0/6] Convert Qcom BAM dma binding to json format Kuldeep Singh
2022-04-10 17:50 ` [PATCH v2 1/6] ARM: dts: qcom: apq8064: User generic node name for DMA Kuldeep Singh
2022-04-10 19:08 ` Krzysztof Kozlowski
2022-04-11 10:43 ` Kuldeep Singh
2022-04-10 17:50 ` [PATCH v2 2/6] ARM: dts: qcom: mdm9615: " Kuldeep Singh
2022-04-10 19:09 ` Krzysztof Kozlowski
2022-04-10 17:50 ` [PATCH v2 3/6] arm64: dts: qcom: msm8996: " Kuldeep Singh
2022-04-10 19:09 ` Krzysztof Kozlowski
2022-04-10 17:50 ` [PATCH v2 4/6] ARM: dts: qcom: ipq4019: " Kuldeep Singh
2022-04-10 19:10 ` Krzysztof Kozlowski
2022-04-10 17:50 ` [PATCH v2 5/6] ARM: dts: qcom: ipq8064: " Kuldeep Singh
2022-04-10 19:10 ` Krzysztof Kozlowski
2022-04-10 17:50 ` [PATCH v2 6/6] dt-bindings: dma: Convert Qualcomm BAM DMA binding to json format Kuldeep Singh
2022-04-10 19:22 ` Krzysztof Kozlowski
2022-04-11 10:58 ` Kuldeep Singh
2022-04-11 11:38 ` Krzysztof Kozlowski [this message]
2022-04-12 6:19 ` Kuldeep Singh
2022-04-12 6:43 ` Krzysztof Kozlowski
2022-04-12 18:01 ` Kuldeep Singh
2022-04-17 5:50 ` Kuldeep Singh
2022-04-18 5:27 ` Bhupesh Sharma
2022-04-18 19:20 ` Kuldeep Singh
2022-04-19 7:47 ` Krzysztof Kozlowski
2022-04-20 13:29 ` Kuldeep Singh
2022-04-20 15:33 ` Kuldeep Singh
2022-04-20 19:17 ` Bhupesh Sharma
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