Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 03a740fb authored by Suneel Garapati's avatar Suneel Garapati Committed by Tejun Heo
Browse files

devicetree:bindings: add devicetree bindings for ceva ahci 



adds bindings for CEVA AHCI SATA controller. optional property
broken-gen2 is useful incase of hardware speed limitation.

Signed-off-by: default avatarSuneel Garapati <suneel.garapati@xilinx.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 5163fb62

Documentation/devicetree/bindings/ata/ahci-ceva.txt

0 → 100644
+20 −0
Original line number Diff line number Diff line 
Binding for CEVA AHCI SATA Controller



Required properties:

  - reg: Physical base address and size of the controller's register area.

  - compatible: Compatibility string. Must be 'ceva,ahci-1v84'.

  - clocks: Input clock specifier. Refer to common clock bindings.

  - interrupts: Interrupt specifier. Refer to interrupt binding.



Optional properties:

  - ceva,broken-gen2: limit to gen1 speed instead of gen2.



Examples:

	ahci@fd0c0000 {

		compatible = "ceva,ahci-1v84";

		reg = <0xfd0c0000 0x200>;

		interrupt-parent = <&gic>;

		interrupts = <0 133 4>;

		clocks = <&clkc SATA_CLK_ID>;

		ceva,broken-gen2;

	};