Define a struct containing the standard NAND timings as described in NAND
datasheets.
Signed-off-by: Boris BREZILLON <b.brezillon@xxxxxxxxxxx>
---
include/linux/mtd/nand.h | 44 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 9e6c8f9..3dda312 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -805,4 +805,48 @@ static inline bool nand_is_slc(struct nand_chip *chip)
{
return chip->bits_per_cell == 1;
}
+
+/**
+ * struct nand_timings - NAND chip timing definitions
+ *
+ * This struct defines the timing requirements of a NAND chip.
+ * These informations can be found in every NAND datasheets.
+ *
+ * All fields are optional and depend on the hardware driver requirements
+ */
+struct nand_timings {
+ u32 tCLS_min;
+ u32 tCLH_min;
+ u32 tCS_min;
+ u32 tCH_min;
+ u32 tWP_min;
+ u32 tALS_min;
+ u32 tALH_min;
+ u32 tDS_min;
+ u32 tDH_min;
+ u32 tWC_min;
+ u32 tWH_min;
+ u32 tR_max;
+ u32 tAR_min;
+ u32 tCLR_min;
+ u32 tRR_min;
+ u32 tRP_min;
+ u32 tWB_max;
+ u32 tRC_min;
+ u32 tREA_max;
+ u32 tRHZ_max;
+ u32 tCHZ_max;
+ u32 tRHOH_min;
+ u32 tRLOH_min;
+ u32 tCOH_min;
+ u32 tREH_min;
+ u32 tWHR_min;
+ u32 tRHW_min;
+ u32 tIR_min;
+ u32 tCR_min;
+ u32 tADL_min;
+ u32 tRST_max;
+ u32 tWW_min;
+};
+
#endif /* __LINUX_MTD_NAND_H */
--
1.7.9.5
--
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