Commit 02ba194f authored by David Jander's avatar David Jander Committed by Miquel Raynal
Browse files

mtd: mchp48l640: add support for Fujitsu MB85RS128TY FRAM 



The Fujitsu FRAM chips use the same command set as Microchip EERAM.
The only differences are that the Fujitsu FRAM chips don't really have a
page size limit, nor do they automatically reset the WEL bit.

Signed-off-by: default avatarDavid Jander <david@protonic.nl>
Reviewed-by: default avatarHeiko Schocher <hs@denx.de>
Signed-off-by: default avatarJonas Rebmann <jre@pengutronix.de>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
parent 5b68d4d2

drivers/mtd/devices/mchp48l640.c

+14 −0
Original line number Diff line number Diff line
@@ -303,6 +303,12 @@ static const struct mchp48_caps mchp48l640_caps = { 
	.auto_disable_wel = true,

};



static const struct mchp48_caps mb85rs128ty_caps = {

	.size = SZ_16K,

	.page_size = 256,

	.auto_disable_wel = false,

};



static int mchp48l640_probe(struct spi_device *spi)

{

	struct mchp48l640_flash *flash;
@@ -361,6 +367,10 @@ static const struct of_device_id mchp48l640_of_table[] = { 
		.compatible = "microchip,48l640",

		.data = &mchp48l640_caps,

	},

	{

		.compatible = "fujitsu,mb85rs128ty",

		.data = &mb85rs128ty_caps,

	},

	{}

};

MODULE_DEVICE_TABLE(of, mchp48l640_of_table);
@@ -370,6 +380,10 @@ static const struct spi_device_id mchp48l640_spi_ids[] = { 
		.name = "48l640",

		.driver_data = (kernel_ulong_t)&mchp48l640_caps,

	},

	{

		.name = "mb85rs128ty",

		.driver_data = (kernel_ulong_t)&mb85rs128ty_caps,

	},

	{}

};

MODULE_DEVICE_TABLE(spi, mchp48l640_spi_ids);