lpc32xx-slc.txt

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    1 NXP LPC32xx SoC NAND SLC controller
    2 
    3 Required properties:
    4 - compatible: "nxp,lpc3220-slc"
    5 - reg: Address and size of the controller
    6 - nand-on-flash-bbt: Use bad block table on flash
    7 - gpios: GPIO specification for NAND write protect
    8 
    9 The following required properties are very controller specific. See the LPC32xx
   10 User Manual:
   11 - nxp,wdr-clks: Delay before Ready signal is tested on write (W_RDY)
   12 - nxp,rdr-clks: Delay before Ready signal is tested on read (R_RDY)
   13 (The following values are specified in Hz, to make them independent of actual
   14 clock speed:)
   15 - nxp,wwidth: Write pulse width (W_WIDTH)
   16 - nxp,whold: Write hold time (W_HOLD)
   17 - nxp,wsetup: Write setup time (W_SETUP)
   18 - nxp,rwidth: Read pulse width (R_WIDTH)
   19 - nxp,rhold: Read hold time (R_HOLD)
   20 - nxp,rsetup: Read setup time (R_SETUP)
   21 
   22 Optional subnodes:
   23 - Partitions, see Documentation/devicetree/bindings/mtd/partition.txt
   24 
   25 Example:
   26 
   27         slc: flash@20020000 {
   28                 compatible = "nxp,lpc3220-slc";
   29                 reg = <0x20020000 0x1000>;
   30                 #address-cells = <1>;
   31                 #size-cells = <1>;
   32 
   33                 nxp,wdr-clks = <14>;
   34                 nxp,wwidth = <40000000>;
   35                 nxp,whold = <100000000>;
   36                 nxp,wsetup = <100000000>;
   37                 nxp,rdr-clks = <14>;
   38                 nxp,rwidth = <40000000>;
   39                 nxp,rhold = <66666666>;
   40                 nxp,rsetup = <100000000>;
   41                 nand-on-flash-bbt;
   42                 gpios = <&gpio 5 19 1>; /* GPO_P3 19, active low */
   43 
   44                 mtd0@00000000 {
   45                         label = "phy3250-boot";
   46                         reg = <0x00000000 0x00064000>;
   47                         read-only;
   48                 };
   49 
   50                 ...
   51 
   52         };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/mtd/lpc32xx-slc.txt

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sys/contrib/device-tree/Bindings/mtd/lpc32xx-slc.txt