kernel: add support for XMC XM25QH64C

The XMC XM25QH64C is a 8MB SPI NOR chip. The patch is verified on TL-WPA8631P v3.
Datasheet available at https://www.xmcwh.com/uploads/442/XM25QH64C.pdf

Signed-off-by: Joe Mullally <jwmullally@gmail.com>
(cherry picked from commit 19752bdfa3e75da8290f525186e9fd8349df9c93)

diff --git a/target/linux/generic/pending-5.10/488-mtd-spi-nor-add-xmc-xm25qh64c.patch b/target/linux/generic/pending-5.10/488-mtd-spi-nor-add-xmc-xm25qh64c.patch
new file mode 100644 (file)
index 0000000..236d1c2
--- /dev/null
+++ b/target/linux/generic/pending-5.10/488-mtd-spi-nor-add-xmc-xm25qh64c.patch
@@ -0,0 +1,22 @@
+From: Joe Mullally <jwmullally@gmail.com>
+Subject: mtd/spi-nor/xmc: add support for XMC XM25QH64C
+
+The XMC XM25QH64C is a 8MB SPI NOR chip. The patch is verified on TL-WPA8631P v3.
+Datasheet available at https://www.xmcwh.com/uploads/442/XM25QH64C.pdf
+
+Signed-off-by: Joe Mullally <jwmullally@gmail.com>
+---
+ drivers/mtd/spi-nor/xmc.c                             | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/drivers/mtd/spi-nor/xmc.c
++++ b/drivers/mtd/spi-nor/xmc.c
+@@ -12,6 +12,8 @@ static const struct flash_info xmc_parts
+       /* XMC (Wuhan Xinxin Semiconductor Manufacturing Corp.) */
+       { "XM25QH64A", INFO(0x207017, 0, 64 * 1024, 128,
+                           SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
++      { "XM25QH64C", INFO(0x204017, 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) },
+       { "XM25QH128C", INFO(0x204018, 0, 64 * 1024, 256,