From patchwork Thu Feb 6 17:19:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 1234465 Date: Thu, 6 Feb 2020 19:19:41 +0200 From: Daniel Golle To: linux-mtd@lists.infradead.org Subject: [PATCH v2] mtd: spi-nor: Add support for xt25f128b chip Message-ID: <20200206171941.GA2398@makrotopia.org> MIME-Version: 1.0 Content-Disposition: inline List-Subscribe: , Cc: Eitan Cohen , Piotr Dymacz , Tudor Ambarus Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Add XT25F128B made by XTX Technology (Shenzhen) Limited. This chip supports dual and quad read and uniform 4K-byte erase. Verified on Teltonika RUT955 which comes with XT25F128B in recent versions of the device. Signed-off-by: Daniel Golle Signed-off-by: Felix Fietkau --- drivers/mtd/spi-nor/spi-nor.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/mtd/spi-nor/Makefile +++ b/drivers/mtd/spi-nor/Makefile @@ -17,6 +17,7 @@ spi-nor-objs += sst.o spi-nor-objs += winbond.o spi-nor-objs += xilinx.o spi-nor-objs += xmc.o +spi-nor-objs += xtx.o spi-nor-$(CONFIG_DEBUG_FS) += debugfs.o obj-$(CONFIG_MTD_SPI_NOR) += spi-nor.o --- /dev/null +++ b/drivers/mtd/spi-nor/xtx.c @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0 +#include + +#include "core.h" + +static const struct flash_info xtx_parts[] = { + /* XTX Technology (Shenzhen) Limited */ + { "xt25f128b", INFO(0x0B4018, 0, 64 * 1024, 256) + NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | + SPI_NOR_QUAD_READ) }, +}; + +const struct spi_nor_manufacturer spi_nor_xtx = { + .name = "xtx", + .parts = xtx_parts, + .nparts = ARRAY_SIZE(xtx_parts), +}; --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -1635,6 +1635,7 @@ static const struct spi_nor_manufacturer &spi_nor_winbond, &spi_nor_xilinx, &spi_nor_xmc, + &spi_nor_xtx, }; static const struct flash_info *spi_nor_match_id(struct spi_nor *nor, --- a/drivers/mtd/spi-nor/core.h +++ b/drivers/mtd/spi-nor/core.h @@ -633,6 +633,7 @@ extern const struct spi_nor_manufacturer extern const struct spi_nor_manufacturer spi_nor_winbond; extern const struct spi_nor_manufacturer spi_nor_xilinx; extern const struct spi_nor_manufacturer spi_nor_xmc; +extern const struct spi_nor_manufacturer spi_nor_xtx; extern const struct attribute_group *spi_nor_sysfs_groups[];