Documentation/devicetree/bindings/mips/cavium/uctl.txt

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/mips/cavium/uctl.txt

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/mips/cavium/uctl.txt
Extension
.txt
Size
1145 bytes
Lines
47
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

Properties:
- compatible: "cavium,octeon-6335-uctl"

  Compatibility with all cn6XXX SOCs.

- reg: The base address of the UCTL register bank.

- #address-cells: Must be <2>.

- #size-cells: Must be <2>.

- ranges: Empty to signify direct mapping of the children.

- refclk-frequency: A single cell containing the reference clock
  frequency in Hz.

- refclk-type: A string describing the reference clock connection
  either "crystal" or "external".

Example:
	uctl@118006f000000 {
		compatible = "cavium,octeon-6335-uctl";
		reg = <0x11800 0x6f000000 0x0 0x100>;
		ranges; /* Direct mapping */
		#address-cells = <2>;
		#size-cells = <2>;
		/* 12MHz, 24MHz and 48MHz allowed */
		refclk-frequency = <24000000>;
		/* Either "crystal" or "external" */
		refclk-type = "crystal";

		ehci@16f0000000000 {
			compatible = "cavium,octeon-6335-ehci","usb-ehci";
			reg = <0x16f00 0x00000000 0x0 0x100>;
			interrupts = <0 56>;
			big-endian-regs;
		};
		ohci@16f0000000400 {
			compatible = "cavium,octeon-6335-ohci","usb-ohci";
			reg = <0x16f00 0x00000400 0x0 0x100>;
			interrupts = <0 56>;
			big-endian-regs;
		};
	};

Annotation

Implementation Notes