kernel: add support for XTX xt25f128 SPI-NOR flash chips

This fixes support for Teltonika RUT9xx which in recent versions of
the device uses xt25f128b flash.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

target/linux/generic/pending-4.14/479-mtd-spi-nor-add-xtx-xt25f128a-and-xt25f128b.patch

+From patchwork Thu Jan 30 08:55:12 2020
+Content-Type: text/plain; charset="utf-8"
+MIME-Version: 1.0
+Content-Transfer-Encoding: 7bit
+X-Patchwork-Submitter: Daniel Golle <daniel@makrotopia.org>
+X-Patchwork-Id: 1231340
+Date: Thu, 30 Jan 2020 10:55:12 +0200
+From: Daniel Golle <daniel@makrotopia.org>
+To: linux-mtd@lists.infradead.org
+Subject: [PATCH] mtd: spi-nor: Add support for xt25f128 chips
+Message-ID: <20200130085512.GA243814@makrotopia.org>
+MIME-Version: 1.0
+Content-Disposition: inline
+List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mtd>,
+ <mailto:linux-mtd-request@lists.infradead.org?subject=subscribe>
+Cc: Eitan Cohen <eitan@neot-semadar.com>, Piotr Dymacz <pepe2k@gmail.com>,
+ Tudor Ambarus <tudor.ambarus@microchip.com>
+Sender: "linux-mtd" <linux-mtd-bounces@lists.infradead.org>
+Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org
+
+Add XT25F128A and XT25F128B made by XTX Technology (Shenzhen) Limited.
+Both chips 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 <daniel@makrotopia.org>
+---
+ drivers/mtd/spi-nor/spi-nor.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+--- a/drivers/mtd/spi-nor/spi-nor.c
++++ b/drivers/mtd/spi-nor/spi-nor.c
+@@ -1198,6 +1198,10 @@ static const struct flash_info spi_nor_i
+ 	/* XMC (Wuhan Xinxin Semiconductor Manufacturing Corp.) */
+ 	{ "XM25QH64A", INFO(0x207017, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
+ 	{ "XM25QH128A", INFO(0x207018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
++
++	/* XTX Technology (Shenzhen) Limited */
++	{ "xt25f128a", INFO(0x207018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
++	{ "xt25f128b", INFO(0x0B4018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
+ 	{ },
+ };
+ 

target/linux/generic/pending-4.19/479-mtd-spi-nor-add-xtx-xt25f128a-and-xt25f128b.patch

+From patchwork Thu Jan 30 08:55:12 2020
+Content-Type: text/plain; charset="utf-8"
+MIME-Version: 1.0
+Content-Transfer-Encoding: 7bit
+X-Patchwork-Submitter: Daniel Golle <daniel@makrotopia.org>
+X-Patchwork-Id: 1231340
+Date: Thu, 30 Jan 2020 10:55:12 +0200
+From: Daniel Golle <daniel@makrotopia.org>
+To: linux-mtd@lists.infradead.org
+Subject: [PATCH] mtd: spi-nor: Add support for xt25f128 chips
+Message-ID: <20200130085512.GA243814@makrotopia.org>
+MIME-Version: 1.0
+Content-Disposition: inline
+List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mtd>,
+ <mailto:linux-mtd-request@lists.infradead.org?subject=subscribe>
+Cc: Eitan Cohen <eitan@neot-semadar.com>, Piotr Dymacz <pepe2k@gmail.com>,
+ Tudor Ambarus <tudor.ambarus@microchip.com>
+Sender: "linux-mtd" <linux-mtd-bounces@lists.infradead.org>
+Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org
+
+Add XT25F128A and XT25F128B made by XTX Technology (Shenzhen) Limited.
+Both chips 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 <daniel@makrotopia.org>
+---
+ drivers/mtd/spi-nor/spi-nor.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+--- a/drivers/mtd/spi-nor/spi-nor.c
++++ b/drivers/mtd/spi-nor/spi-nor.c
+@@ -1273,6 +1273,10 @@ static const struct flash_info spi_nor_i
+ 	/* XMC (Wuhan Xinxin Semiconductor Manufacturing Corp.) */
+ 	{ "XM25QH64A", INFO(0x207017, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
+ 	{ "XM25QH128A", INFO(0x207018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
++
++	/* XTX Technology (Shenzhen) Limited */
++	{ "xt25f128a", INFO(0x207018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
++	{ "xt25f128b", INFO(0x0B4018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
+ 	{ },
+ };
+