linux-kernel - Re: [PATCH v2 2/2] dmaengine: mediatek-cqdma: Add support for MediaTek MT6795

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Message-ID: <YoaGDjtg0R6NRMmg@matsya>
Date:   Thu, 19 May 2022 23:31:50 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     sean.wang@...iatek.com, matthias.bgg@...il.com,
        dmaengine@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel@...labora.com, nfraprado@...labora.com
Subject: Re: [PATCH v2 2/2] dmaengine: mediatek-cqdma: Add support for
 MediaTek MT6795

On 03-05-22, 16:06, AngeloGioacchino Del Regno wrote:
> Add a compatible string and platform data for the Helio X10 MT6795 SoC.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  drivers/dma/mediatek/mtk-cqdma.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/dma/mediatek/mtk-cqdma.c b/drivers/dma/mediatek/mtk-cqdma.c
> index a2fb538d9483..e1772dbf50d5 100644
> --- a/drivers/dma/mediatek/mtk-cqdma.c
> +++ b/drivers/dma/mediatek/mtk-cqdma.c
> @@ -757,8 +757,14 @@ static const struct mtk_cqdma_plat_data cqdma_mt6765 = {
>  	.reg_src2 = 0x60,
>  };
>  
> +static const struct mtk_cqdma_plat_data cqdma_mt6795 = {
> +	.reg_dst2 = 0x44,
> +	.reg_src2 = 0x40,

Please define these registers

> +};
> +
>  static const struct of_device_id mtk_cqdma_match[] = {
>  	{ .compatible = "mediatek,mt6765-cqdma", .data = &cqdma_mt6765 },
> +	{ .compatible = "mediatek,mt6795-cqdma", .data = &cqdma_mt6795 },

where is this documented?

>  	{ /* sentinel */ }
>  };
>  MODULE_DEVICE_TABLE(of, mtk_cqdma_match);
> -- 
> 2.35.1

-- 
~Vinod