Documentation/devicetree/bindings/mtd/nand-macronix.txt

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/mtd/nand-macronix.txt

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/mtd/nand-macronix.txt
Extension
.txt
Size
883 bytes
Lines
28
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: documentation
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

Macronix NANDs Device Tree Bindings
-----------------------------------

Macronix NANDs support randomizer operation for scrambling user data,
which can be enabled with a SET_FEATURE. The penalty when using the
randomizer are subpage accesses prohibited and more time period needed
for program operation, i.e., tPROG 300us to 340us (randomizer enabled).
Enabling the randomizer is a one time persistent and non reversible
operation.

For more high-reliability concern, if subpage write is not available
with hardware ECC and not enabled at UBI level, then enabling the
randomizer is recommended by default by adding a new specific property
in children nodes.

Required NAND chip properties in children mode:
- randomizer enable: should be "mxic,enable-randomizer-otp"

Example:

	nand: nand-controller@unit-address {

		nand@0 {
			reg = <0>;
			mxic,enable-randomizer-otp;
		};
	};

Annotation

Implementation Notes