mtd: spi-nor: support GigaDevice gd25lq64c

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=e5366a266a8cd4cd6b0fe66876462cca2e1c6a89
Commit:     e5366a266a8cd4cd6b0fe66876462cca2e1c6a89
Parent:     3603ea0aeed7dc2b54144b5913eb303173361123
Author:     Brian Norris <computersforpeace at gmail.com>
AuthorDate: Fri May 6 08:37:41 2016 -0700
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Tue May 10 15:44:18 2016 -0700

    mtd: spi-nor: support GigaDevice gd25lq64c
    
    Also note the GigaDevice JEDEC ID.
    
    No write-protect support yet, since this flash uses a different status
    register layout.
    
    Cc: Ezequiel Garcia <ezequiel at vanguardiasur.com.ar>
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
    Acked-by: Marek Vasut <marex at denx.de>
---
 drivers/mtd/spi-nor/spi-nor.c | 1 +
 include/linux/mtd/spi-nor.h   | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 157841d..c52e455 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -832,6 +832,7 @@ static const struct flash_info spi_nor_ids[] = {
 	/* GigaDevice */
 	{ "gd25q32", INFO(0xc84016, 0, 64 * 1024,  64, SECT_4K) },
 	{ "gd25q64", INFO(0xc84017, 0, 64 * 1024, 128, SECT_4K) },
+	{ "gd25lq64c", INFO(0xc86017, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
 	{ "gd25q128", INFO(0xc84018, 0, 64 * 1024, 256, SECT_4K) },
 
 	/* Intel/Numonyx -- xxxs33b */
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
index 3c36113..7f041bd 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -21,6 +21,7 @@
  * Sometimes these are the same as CFI IDs, but sometimes they aren't.
  */
 #define SNOR_MFR_ATMEL		CFI_MFR_ATMEL
+#define SNOR_MFR_GIGADEVICE	0xc8
 #define SNOR_MFR_INTEL		CFI_MFR_INTEL
 #define SNOR_MFR_MICRON		CFI_MFR_ST /* ST Micro <--> Micron */
 #define SNOR_MFR_MACRONIX	CFI_MFR_MACRONIX