linux-kernel - Re: [PATCH 3/3] mtd: spi-nor: Add support for w25q256jw

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Date:   Mon, 28 Oct 2019 17:20:40 +0530
From:   Vignesh Raghavendra <vigneshr@...com>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        <shawnguo@...nel.org>, <s.hauer@...gutronix.de>,
        <robh+dt@...nel.org>
CC:     <kernel@...gutronix.de>, <festevam@...il.com>, <linux-imx@....com>,
        <darshak.patel@...fochips.com>, <prajose.john@...fochips.com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Marek Vasut <marek.vasut@...il.com>,
        Tudor Ambarus <tudor.ambarus@...rochip.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        <linux-mtd@...ts.infradead.org>
Subject: Re: [PATCH 3/3] mtd: spi-nor: Add support for w25q256jw

Hi,

On 24/10/19 8:12 PM, Manivannan Sadhasivam wrote:
> Add MTD support for w25q256jw SPI NOR chip from Winbond. This chip
> supports dual/quad I/O mode with 512 blocks of memory organized in
> 4KB sectors. 

512 blocks of memory organized into 64KB sector, right? In additional
flash also supports 4KB small sector.

Regards
Vignesh

> The device has been validated using Thor96 board.


> Cc: Marek Vasut <marek.vasut@...il.com>
> Cc: Tudor Ambarus <tudor.ambarus@...rochip.com>
> Cc: David Woodhouse <dwmw2@...radead.org>
> Cc: Brian Norris <computersforpeace@...il.com>
> Cc: Miquel Raynal <miquel.raynal@...tlin.com>
> Cc: Richard Weinberger <richard@....at>
> Cc: Vignesh Raghavendra <vigneshr@...com>
> Cc: linux-mtd@...ts.infradead.org
> Signed-off-by: Darshak Patel <darshak.patel@...fochips.com>
> [Mani: cleaned up for upstream]
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
>  drivers/mtd/spi-nor/spi-nor.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
> index 1d8621d43160..2c25b371d9f0 100644
> --- a/drivers/mtd/spi-nor/spi-nor.c
> +++ b/drivers/mtd/spi-nor/spi-nor.c
> @@ -2482,6 +2482,8 @@ static const struct flash_info spi_nor_ids[] = {
>  	{ "w25q256", INFO(0xef4019, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
>  	{ "w25q256jvm", INFO(0xef7019, 0, 64 * 1024, 512,
>  			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
> +	{ "w25q256jw", INFO(0xef6019, 0, 64 * 1024, 512,
> +			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
>  	{ "w25m512jv", INFO(0xef7119, 0, 64 * 1024, 1024,
>  			SECT_4K | SPI_NOR_QUAD_READ | SPI_NOR_DUAL_READ) },
>  
>