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| author | Suneel Garapati <suneel.garapati@xilinx.com> | 2015-06-09 14:23:49 +0530 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2015-06-10 11:15:17 +0900 |
| commit | 03a740fb682c5ae9bf49ebad284986e9afc63958 (patch) | |
| tree | 27124d0ae478be21e71036ea38416b7eb2b5d498 /Documentation | |
| parent | 5163fb62541e38fea400f96dcef9aa539fd00b48 (diff) | |
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: Suneel Garapati <suneel.garapati@xilinx.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/ata/ahci-ceva.txt | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/ata/ahci-ceva.txt b/Documentation/devicetree/bindings/ata/ahci-ceva.txt new file mode 100644 index 000000000000..7ca8b976c13a --- /dev/null +++ b/Documentation/devicetree/bindings/ata/ahci-ceva.txt @@ -0,0 +1,20 @@ +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; + }; |