1c66ec88fSEmmanuel VadotNXP LPC32xx SoC NAND MLC controller 2c66ec88fSEmmanuel Vadot 3c66ec88fSEmmanuel VadotRequired properties: 4c66ec88fSEmmanuel Vadot- compatible: "nxp,lpc3220-mlc" 5c66ec88fSEmmanuel Vadot- reg: Address and size of the controller 6c66ec88fSEmmanuel Vadot- interrupts: The NAND interrupt specification 7c66ec88fSEmmanuel Vadot- gpios: GPIO specification for NAND write protect 8c66ec88fSEmmanuel Vadot 9c66ec88fSEmmanuel VadotThe following required properties are very controller specific. See the LPC32xx 10c66ec88fSEmmanuel VadotUser Manual 7.5.14 MLC NAND Timing Register (the values here are specified in 11c66ec88fSEmmanuel VadotHz, to make them independent of actual clock speed and to provide for good 12c66ec88fSEmmanuel Vadotaccuracy:) 13c66ec88fSEmmanuel Vadot- nxp,tcea_delay: TCEA_DELAY 14c66ec88fSEmmanuel Vadot- nxp,busy_delay: BUSY_DELAY 15c66ec88fSEmmanuel Vadot- nxp,nand_ta: NAND_TA 16c66ec88fSEmmanuel Vadot- nxp,rd_high: RD_HIGH 17c66ec88fSEmmanuel Vadot- nxp,rd_low: RD_LOW 18c66ec88fSEmmanuel Vadot- nxp,wr_high: WR_HIGH 19c66ec88fSEmmanuel Vadot- nxp,wr_low: WR_LOW 20c66ec88fSEmmanuel Vadot 21c66ec88fSEmmanuel VadotOptional subnodes: 22*8bab661aSEmmanuel Vadot- Partitions, see Documentation/devicetree/bindings/mtd/mtd.yaml 23c66ec88fSEmmanuel Vadot 24c66ec88fSEmmanuel VadotExample: 25c66ec88fSEmmanuel Vadot 26c66ec88fSEmmanuel Vadot mlc: flash@200a8000 { 27c66ec88fSEmmanuel Vadot compatible = "nxp,lpc3220-mlc"; 28c66ec88fSEmmanuel Vadot reg = <0x200A8000 0x11000>; 29c66ec88fSEmmanuel Vadot interrupts = <11 0>; 30c66ec88fSEmmanuel Vadot #address-cells = <1>; 31c66ec88fSEmmanuel Vadot #size-cells = <1>; 32c66ec88fSEmmanuel Vadot 33c66ec88fSEmmanuel Vadot nxp,tcea-delay = <333333333>; 34c66ec88fSEmmanuel Vadot nxp,busy-delay = <10000000>; 35c66ec88fSEmmanuel Vadot nxp,nand-ta = <18181818>; 36c66ec88fSEmmanuel Vadot nxp,rd-high = <31250000>; 37c66ec88fSEmmanuel Vadot nxp,rd-low = <45454545>; 38c66ec88fSEmmanuel Vadot nxp,wr-high = <40000000>; 39c66ec88fSEmmanuel Vadot nxp,wr-low = <83333333>; 40c66ec88fSEmmanuel Vadot gpios = <&gpio 5 19 1>; /* GPO_P3 19, active low */ 41c66ec88fSEmmanuel Vadot 42c66ec88fSEmmanuel Vadot mtd0@00000000 { 43c66ec88fSEmmanuel Vadot label = "boot"; 44c66ec88fSEmmanuel Vadot reg = <0x00000000 0x00064000>; 45c66ec88fSEmmanuel Vadot read-only; 46c66ec88fSEmmanuel Vadot }; 47c66ec88fSEmmanuel Vadot 48c66ec88fSEmmanuel Vadot ... 49c66ec88fSEmmanuel Vadot 50c66ec88fSEmmanuel Vadot }; 51