xref: /freebsd/sys/contrib/device-tree/Bindings/mtd/tango-nand.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel VadotSigma Designs Tango4 NAND Flash Controller (NFC)
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotRequired properties:
4*c66ec88fSEmmanuel Vadot
5*c66ec88fSEmmanuel Vadot- compatible: "sigma,smp8758-nand"
6*c66ec88fSEmmanuel Vadot- reg: address/size of nfc_reg, nfc_mem, and pbus_reg
7*c66ec88fSEmmanuel Vadot- dmas: reference to the DMA channel used by the controller
8*c66ec88fSEmmanuel Vadot- dma-names: "rxtx"
9*c66ec88fSEmmanuel Vadot- clocks: reference to the system clock
10*c66ec88fSEmmanuel Vadot- #address-cells: <1>
11*c66ec88fSEmmanuel Vadot- #size-cells: <0>
12*c66ec88fSEmmanuel Vadot
13*c66ec88fSEmmanuel VadotChildren nodes represent the available NAND chips.
14*c66ec88fSEmmanuel VadotSee Documentation/devicetree/bindings/mtd/nand-controller.yaml for generic bindings.
15*c66ec88fSEmmanuel Vadot
16*c66ec88fSEmmanuel VadotExample:
17*c66ec88fSEmmanuel Vadot
18*c66ec88fSEmmanuel Vadot	nandc: nand-controller@2c000 {
19*c66ec88fSEmmanuel Vadot		compatible = "sigma,smp8758-nand";
20*c66ec88fSEmmanuel Vadot		reg = <0x2c000 0x30>, <0x2d000 0x800>, <0x20000 0x1000>;
21*c66ec88fSEmmanuel Vadot		dmas = <&dma0 3>;
22*c66ec88fSEmmanuel Vadot		dma-names = "rxtx";
23*c66ec88fSEmmanuel Vadot		clocks = <&clkgen SYS_CLK>;
24*c66ec88fSEmmanuel Vadot		#address-cells = <1>;
25*c66ec88fSEmmanuel Vadot		#size-cells = <0>;
26*c66ec88fSEmmanuel Vadot
27*c66ec88fSEmmanuel Vadot		nand@0 {
28*c66ec88fSEmmanuel Vadot			reg = <0>; /* CS0 */
29*c66ec88fSEmmanuel Vadot			nand-ecc-strength = <14>;
30*c66ec88fSEmmanuel Vadot			nand-ecc-step-size = <1024>;
31*c66ec88fSEmmanuel Vadot		};
32*c66ec88fSEmmanuel Vadot
33*c66ec88fSEmmanuel Vadot		nand@1 {
34*c66ec88fSEmmanuel Vadot			reg = <1>; /* CS1 */
35*c66ec88fSEmmanuel Vadot			nand-ecc-strength = <14>;
36*c66ec88fSEmmanuel Vadot			nand-ecc-step-size = <1024>;
37*c66ec88fSEmmanuel Vadot		};
38*c66ec88fSEmmanuel Vadot	};
39