diff mbox series

[LINUX,v12,2/3] mtd: rawnand: Add an option to get sdr timing mode number

Message ID 1541739641-17789-3-git-send-email-naga.sureshkumar.relli@xilinx.com
State Changes Requested
Delegated to: Miquel Raynal
Headers show
Series Add support for Arasan NAND Flash controller | expand

Commit Message

Naga Sureshkumar Relli Nov. 9, 2018, 5 a.m. UTC 
Some NAND controllers need SDR timing mode value, instead of timings.
i.e the NAND controller will change its operating mode by
just configuring the sdr timing mode number. So add a mode field to
struct nand_sdr_timings

Signed-off-by: Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
---
Changes in v12:
 - Typo corrections as suggested by Boris
Changes in v11:
 - None
Changes in v10:
 - None
Changes in v9:
 - None
Changes in v8:
 - None
Changes in v7:
 - None
Changes in v6:
 - None
Changes in v5:
 - None
Changes in v4:
 - None
Changes in v3:
 - None
Changes in v2:
 - None
---
 drivers/mtd/nand/raw/nand_timings.c | 6 ++++++
 include/linux/mtd/rawnand.h         | 2 ++
 2 files changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/drivers/mtd/nand/raw/nand_timings.c b/drivers/mtd/nand/raw/nand_timings.c
index bea3062..500c16b 100644
--- a/drivers/mtd/nand/raw/nand_timings.c
+++ b/drivers/mtd/nand/raw/nand_timings.c
@@ -57,6 +57,7 @@  static const struct nand_data_interface onfi_sdr_timings[] = {
 			.tWHR_min = 120000,
 			.tWP_min = 50000,
 			.tWW_min = 100000,
+			.mode = 0,
 		},
 	},
 	/* Mode 1 */
@@ -99,6 +100,7 @@  static const struct nand_data_interface onfi_sdr_timings[] = {
 			.tWHR_min = 80000,
 			.tWP_min = 25000,
 			.tWW_min = 100000,
+			.mode = 1,
 		},
 	},
 	/* Mode 2 */
@@ -141,6 +143,7 @@  static const struct nand_data_interface onfi_sdr_timings[] = {
 			.tWHR_min = 80000,
 			.tWP_min = 17000,
 			.tWW_min = 100000,
+			.mode = 2,
 		},
 	},
 	/* Mode 3 */
@@ -183,6 +186,7 @@  static const struct nand_data_interface onfi_sdr_timings[] = {
 			.tWHR_min = 80000,
 			.tWP_min = 15000,
 			.tWW_min = 100000,
+			.mode = 3,
 		},
 	},
 	/* Mode 4 */
@@ -225,6 +229,7 @@  static const struct nand_data_interface onfi_sdr_timings[] = {
 			.tWHR_min = 80000,
 			.tWP_min = 12000,
 			.tWW_min = 100000,
+			.mode = 4,
 		},
 	},
 	/* Mode 5 */
@@ -267,6 +272,7 @@  static const struct nand_data_interface onfi_sdr_timings[] = {
 			.tWHR_min = 80000,
 			.tWP_min = 10000,
 			.tWW_min = 100000,
+			.mode = 5,
 		},
 	},
 };
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index e10b126..223b656 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -466,6 +466,7 @@  struct nand_ecc_ctrl {
  * @tWHR_min: WE# high to RE# low
  * @tWP_min: WE# pulse width
  * @tWW_min: WP# transition to WE# low
+ * @mode: sdr timing mode value
  */
 struct nand_sdr_timings {
 	u64 tBERS_max;
@@ -506,6 +507,7 @@  struct nand_sdr_timings {
 	u32 tWHR_min;
 	u32 tWP_min;
 	u32 tWW_min;
+	u32 mode;
 };
 
 /**