[PATCH v3 1/2] devicetree:bindings: add devicetree bindings for ceva ahci
From: Suneel Garapati <hidden>
Date: 2015-06-09 09:05:51
Also in:
linux-ide, lkml
Subsystem:
libata subsystem (serial and parallel ata drivers), open firmware and flattened device tree bindings, the rest · Maintainers:
Damien Le Moal, Niklas Cassel, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
adds bindings for CEVA AHCI SATA controller. optional property broken-gen2 is useful incase of hardware speed limitation. Signed-off-by: Suneel Garapati <redacted> --- Documentation/devicetree/bindings/ata/ahci-ceva.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/ata/ahci-ceva.txt
diff --git a/Documentation/devicetree/bindings/ata/ahci-ceva.txt b/Documentation/devicetree/bindings/ata/ahci-ceva.txt
new file mode 100644
index 0000000..7ca8b97
--- /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; + }; --
2.1.2