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| author | Chao Fu <B44548@freescale.com> | 2014-09-28 02:36:11 (GMT) |
|---|---|---|
| committer | Matthew Weigel <Matthew.Weigel@freescale.com> | 2014-12-11 18:37:32 (GMT) |
| commit | 58bb64ef5ae667aad702dabd6929b56c9a5c0ed2 (patch) | |
| tree | 1756f858eec86296b0617752d0082566430d86d5 /include | |
| parent | 29875e3645e20e47cc6b0c05443b2ee37a58ff21 (diff) | |
| download | linux-fsl-qoriq-58bb64ef5ae667aad702dabd6929b56c9a5c0ed2.tar.xz | |
mtd: spi-nor: add DDR quad read support for Micron
This patch adds the DDR(or DTR) quad read support for the Micron
SPI NOR flash.
Tested with n25q256a.
Signed-off-by: Huang Shijie <b32955@freescale.com>
The upstream link of this patch: https://patchwork.kernel.org/patch/4075011/
Change-Id: Ib226886ff8d9e80d6aa5fb72dc86278188b2e3a3
Reviewed-on: http://git.am.freescale.net:8181/20131
Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
Tested-by: Zhengxiong Jin <Jason.Jin@freescale.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mtd/spi-nor.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index 0f02a22..e1bc2c3 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -27,6 +27,7 @@ #define SPINOR_OP_READ_FAST 0x0b /* Read data bytes (high frequency) */ #define SPINOR_OP_READ_1_1_2 0x3b /* Read data bytes (Dual SPI) */ #define SPINOR_OP_READ_1_1_4 0x6b /* Read data bytes (Quad SPI) */ +#define SPINOR_OP_READ_1_1_4_D 0x6d /* Read data bytes (DDR Quad SPI) */ #define SPINOR_OP_READ_1_4_4_D 0xed /* Read data bytes (DDR Quad SPI) */ #define SPINOR_OP_PP 0x02 /* Page program (up to 256 bytes) */ #define SPINOR_OP_BE_4K 0x20 /* Erase 4KiB block */ |