Add a NAND timing properties to NAND dt doc. Signed-off-by: Boris BREZILLON <b.brezillon@xxxxxxxxxxx> --- Documentation/devicetree/bindings/mtd/nand.txt | 34 ++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/nand.txt b/Documentation/devicetree/bindings/mtd/nand.txt index 03855c8..0dff600 100644 --- a/Documentation/devicetree/bindings/mtd/nand.txt +++ b/Documentation/devicetree/bindings/mtd/nand.txt @@ -5,3 +5,37 @@ "soft_bch". - nand-bus-width : 8 or 16 bus width if not present 8 - nand-on-flash-bbt: boolean to enable on flash bbt option if not present false + +nand timings definition expressed in nanoseconds (found in NAND datasheets): + - tCLS-min : CLE setup time + - tCLH-min : CLE Hold time + - tCS-min : CE# setup time + - tCH-min : CE# hold time + - tWP-min : WE# pulse width + - tALS-min : ALE setup time + - tALH-min : ALE hold time + - tDS-min : Data setup time + - tDH-min : Data hold time + - tWC-min : Write cycle time + - tWH-min : WE# high hold time + - tR-max : Data transfer from cell to register + - tAR-min : ALE to RE# delay + - tCLR-min : CLE to RE# delay + - tRR-min : Ready to RE# low + - tRP-min : RE# pulse width + - tWB-max : WE# high to busy + - tRC-min : Read cycle time + - tREA-max : RE# access time + - tRHZ-max : RE# high to output high Z + - tCHZ-max : CE# high to output high Z + - tRHOH-min : RE# high to output hold + - tRLOH-min : RE# low to output hold + - tCOH-min : RE# or CE# high to output hold + - tREH-min : RE# high hold time + - tWHR-min : WE# high to RE# low + - tRHW-min : RE# high to WE# low + - tIR-min : Output high Z to RE# low + - tCR-min : CE# low to RE# low + - tADL-min : Address to data loading time + - tRST-max : Device resetting time + - tWW-min : Write protection time -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
