linux-kernel - Re: [PATCH v3 3/4] dt-bindings: dma: ti: k3-pktdma: Describe cfg register regions

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Date:   Fri, 24 Nov 2023 09:16:14 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Vignesh Raghavendra <vigneshr@...com>,
        Peter Ujfalusi <peter.ujfalusi@...il.com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 3/4] dt-bindings: dma: ti: k3-pktdma: Describe cfg
 register regions

On 24/11/2023 05:57, Vignesh Raghavendra wrote:
> Packet DMA (PKTDMA) module on K3 SoCs have ring cfg, TX and RX channel
> cfg and RX flow cfg register regions which are usually configured by a
> Device Management firmware. But certain entities such as bootloader
> (like U-Boot) may have to access them directly. Describe this region in
> the binding documentation for completeness of module description.
> 
> Keep the binding compatible with existing DTS files by requiring first
> four regions to be present at least.
> 
> Signed-off-by: Vignesh Raghavendra <vigneshr@...com>
> ---

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof