linux-kernel - Re: [PATCH] mtd: spi-nor: Add support for w25q512jvm

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Message-ID: <262a03e185c29583450180e3dc8c4e6c@walle.cc>
Date:   Mon, 10 Jan 2022 16:10:22 +0100
From:   Michael Walle <michael@...le.cc>
To:     Dhananjay Phadke <dphadke@...ux.microsoft.com>
Cc:     Tudor Ambarus <tudor.ambarus@...rochip.com>,
        Pratyush Yadav <p.yadav@...com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mtd: spi-nor: Add support for w25q512jvm

Hi,

Am 2022-01-09 05:44, schrieb Dhananjay Phadke:
> Add support for Winbond 64MB W25Q512JV-DTR NOR flash.
> Use PARSE_SFDP flag to init parameters during SFDP parsing.
> 
> Signed-off-by: Dhananjay Phadke <dphadke@...ux.microsoft.com>
> ---
>  drivers/mtd/spi-nor/winbond.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/mtd/spi-nor/winbond.c 
> b/drivers/mtd/spi-nor/winbond.c
> index 675f32c136b3..ebc826e21f76 100644
> --- a/drivers/mtd/spi-nor/winbond.c
> +++ b/drivers/mtd/spi-nor/winbond.c
> @@ -118,6 +118,8 @@ static const struct flash_info winbond_parts[] = {
>  		.fixups = &w25q256_fixups },
>  	{ "w25q256jvm", INFO(0xef7019, 0, 64 * 1024, 512)
>  		PARSE_SFDP },
> +	{ "w25q512jvm", INFO(0xef7020, 0, 64 * 1024, 1024),

OTP_INFO(256, 3, 0x1000, 0x1000)

should enable OTP support, could you please test this using the 
flash_otp_{dump,info,erase,write} tools and add that line?

> +		PARSE_SFDP },
>  	{ "w25q256jw", INFO(0xef6019, 0, 64 * 1024, 512)
>  		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
>  			      SPI_NOR_QUAD_READ) },

-michael