linux-kernel - Re: [Patch v3] drivers: mtd: spi-nor: Add flash property for mt25qu512a and mt35xu02g

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Date:   Tue, 27 Aug 2019 13:20:41 +0530
From:   Vignesh Raghavendra <vigneshr@...com>
To:     Ashish Kumar <Ashish.Kumar@....com>, <tudor.ambarus@...rochip.com>,
        <marek.vasut@...il.com>, <dwmw2@...radead.org>,
        <computersforpeace@...il.com>, <miquel.raynal@...tlin.com>,
        <richard@....at>, <linux-mtd@...ts.infradead.org>
CC:     <linux-kernel@...r.kernel.org>,
        Kuldeep Singh <kuldeep.singh@....com>
Subject: Re: [Patch v3] drivers: mtd: spi-nor: Add flash property for
 mt25qu512a and mt35xu02g



On 13/08/19 4:08 PM, Ashish Kumar wrote:
> mt25qu512a is rebranded after its spinoff from STM, so it is
> different only in term of operating frequency, initial JEDEC id
> is same as that of n25q512a. In order to avoid any confussion
> with respect to name new entry is added.
> This flash is tested for Single I/O and QUAD I/O mode on LS1046FRWY.
> 
> mt35xu02g is Octal flash supporting Single I/O and QCTAL I/O
> and it has been tested on LS1028ARDB
> 
> Signed-off-by: Kuldeep Singh <kuldeep.singh@....com>
> Signed-off-by: Ashish Kumar <ashish.kumar@....com>
> ---
Reviewed-by: Vignesh Raghavendra <vigneshr@...com>

Regards
Vignesh

> v3:
> -Reword commits msg
> -rebase to top of mtd-linux spi-nor/next
> v2:
> Incorporate review comments from Vignesh
> 
>  drivers/mtd/spi-nor/spi-nor.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
> index 03cc788..97d3de8 100644
> --- a/drivers/mtd/spi-nor/spi-nor.c
> +++ b/drivers/mtd/spi-nor/spi-nor.c
> @@ -1988,6 +1988,12 @@ static const struct flash_info spi_nor_ids[] = {
>  	{ "n25q128a13",  INFO(0x20ba18, 0, 64 * 1024,  256, SECT_4K | SPI_NOR_QUAD_READ) },
>  	{ "n25q256a",    INFO(0x20ba19, 0, 64 * 1024,  512, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
>  	{ "n25q256ax1",  INFO(0x20bb19, 0, 64 * 1024,  512, SECT_4K | SPI_NOR_QUAD_READ) },
> +
> +	/* Micron */
> +	{ "mt25qu512a", INFO6(0x20bb20, 0x104400, 64 * 1024, 1024, SECT_4K |
> +				USE_FSR | SPI_NOR_DUAL_READ |
> +				SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
> +
>  	{ "n25q512a",    INFO(0x20bb20, 0, 64 * 1024, 1024, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) },
>  	{ "n25q512ax3",  INFO(0x20ba20, 0, 64 * 1024, 1024, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) },
>  	{ "n25q00",      INFO(0x20ba21, 0, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) },
> @@ -2003,6 +2009,9 @@ static const struct flash_info spi_nor_ids[] = {
>  			SECT_4K | USE_FSR | SPI_NOR_OCTAL_READ |
>  			SPI_NOR_4B_OPCODES)
>  	},
> +	{ "mt35xu02g",  INFO(0x2c5b1c, 0, 128 * 1024, 2048,
> +			SECT_4K | USE_FSR | SPI_NOR_OCTAL_READ |
> +			SPI_NOR_4B_OPCODES) },
>  
>  	/* PMC */
>  	{ "pm25lv512",   INFO(0,        0, 32 * 1024,    2, SECT_4K_PMC) },
> 

-- 
Regards
Vignesh