linux-kernel - Re: [PATCH v4 20/20] mtd: nand: qcom: support for IPQ8074 QPIC NAND controller

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Message-ID: <acb0b694-1210-dc8e-4d5a-551b0114182f@codeaurora.org>
Date:   Wed, 16 Aug 2017 11:32:15 +0530
From:   Archit Taneja <architt@...eaurora.org>
To:     Abhishek Sahu <absahu@...eaurora.org>,
        boris.brezillon@...e-electrons.com
Cc:     dwmw2@...radead.org, computersforpeace@...il.com,
        marek.vasut@...il.com, richard@....at, cyrille.pitchen@...ev4u.fr,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
        andy.gross@...aro.org, sricharan@...eaurora.org
Subject: Re: [PATCH v4 20/20] mtd: nand: qcom: support for IPQ8074 QPIC NAND
 controller



On 08/11/2017 05:09 PM, Abhishek Sahu wrote:
> Add the compatible string for IPQ8074 QPIC NAND controller
> version 1.5.0 which uses BAM DMA and its FLASH_DEV_CMD registers
> starting offset is 0x7000.

Reviewed-by: Archit Taneja <architt@...eaurora.org>

Thanks,
Archit

> 
> Signed-off-by: Abhishek Sahu <absahu@...eaurora.org>
> ---
>   drivers/mtd/nand/qcom_nandc.c | 10 ++++++++++
>   1 file changed, 10 insertions(+)
> 
> diff --git a/drivers/mtd/nand/qcom_nandc.c b/drivers/mtd/nand/qcom_nandc.c
> index 03e671e..1484fb4 100644
> --- a/drivers/mtd/nand/qcom_nandc.c
> +++ b/drivers/mtd/nand/qcom_nandc.c
> @@ -2863,6 +2863,12 @@ static int qcom_nandc_remove(struct platform_device *pdev)
>   	.flash_dev_offset = 0x0,
>   };
>   
> +static const struct qcom_nandc_props ipq8074_nandc_props = {
> +	.ecc_modes = (ECC_BCH_4BIT | ECC_BCH_8BIT),
> +	.is_bam = true,
> +	.flash_dev_offset = 0x7000,
> +};
> +
>   /*
>    * data will hold a struct pointer containing more differences once we support
>    * more controller variants
> @@ -2876,6 +2882,10 @@ static int qcom_nandc_remove(struct platform_device *pdev)
>   		.compatible = "qcom,ipq4019-nand",
>   		.data = &ipq4019_nandc_props,
>   	},
> +	{
> +		.compatible = "qcom,ipq8074-nand",
> +		.data = &ipq8074_nandc_props,
> +	},
>   	{}
>   };
>   MODULE_DEVICE_TABLE(of, qcom_nandc_of_match);
> 

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