xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/mtd/tango-nand.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunSigma Designs Tango4 NAND Flash Controller (NFC)
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun- compatible: "sigma,smp8758-nand"
6*4882a593Smuzhiyun- reg: address/size of nfc_reg, nfc_mem, and pbus_reg
7*4882a593Smuzhiyun- dmas: reference to the DMA channel used by the controller
8*4882a593Smuzhiyun- dma-names: "rxtx"
9*4882a593Smuzhiyun- clocks: reference to the system clock
10*4882a593Smuzhiyun- #address-cells: <1>
11*4882a593Smuzhiyun- #size-cells: <0>
12*4882a593Smuzhiyun
13*4882a593SmuzhiyunChildren nodes represent the available NAND chips.
14*4882a593SmuzhiyunSee Documentation/devicetree/bindings/mtd/nand-controller.yaml for generic bindings.
15*4882a593Smuzhiyun
16*4882a593SmuzhiyunExample:
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun	nandc: nand-controller@2c000 {
19*4882a593Smuzhiyun		compatible = "sigma,smp8758-nand";
20*4882a593Smuzhiyun		reg = <0x2c000 0x30>, <0x2d000 0x800>, <0x20000 0x1000>;
21*4882a593Smuzhiyun		dmas = <&dma0 3>;
22*4882a593Smuzhiyun		dma-names = "rxtx";
23*4882a593Smuzhiyun		clocks = <&clkgen SYS_CLK>;
24*4882a593Smuzhiyun		#address-cells = <1>;
25*4882a593Smuzhiyun		#size-cells = <0>;
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun		nand@0 {
28*4882a593Smuzhiyun			reg = <0>; /* CS0 */
29*4882a593Smuzhiyun			nand-ecc-strength = <14>;
30*4882a593Smuzhiyun			nand-ecc-step-size = <1024>;
31*4882a593Smuzhiyun		};
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun		nand@1 {
34*4882a593Smuzhiyun			reg = <1>; /* CS1 */
35*4882a593Smuzhiyun			nand-ecc-strength = <14>;
36*4882a593Smuzhiyun			nand-ecc-step-size = <1024>;
37*4882a593Smuzhiyun		};
38*4882a593Smuzhiyun	};
39