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@vanguardiasur.com.ar>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Marek Vasut <marex@denx.de>

diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 157841d..c52e455 100644 (file)
--- 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 (file)
--- 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