The berlin-ahci driver allows Berlin SoCs to support their AHCI SATA controller.
Add the corresponding device tree bindings documentation.
Signed-off-by: Antoine Ténart <antoine.tenart@xxxxxxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/ata/ahci-berlin.txt | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
create mode 100644 Documentation/devicetree/bindings/ata/ahci-berlin.txt
diff --git a/Documentation/devicetree/bindings/ata/ahci-berlin.txt b/Documentation/devicetree/bindings/ata/ahci-berlin.txt
new file mode 100644
index 000000000000..388150a1bb00
--- /dev/null
+++ b/Documentation/devicetree/bindings/ata/ahci-berlin.txt
@@ -0,0 +1,18 @@
+* Marvell Berlin SATA nodes
+
+Required properties:
+- compatible: "marvell,berlin-ahci"
+- interrupts: interrupt mapping for the SATA IRQ
+- reg: address and length of the register
+- phys: references to the SATA PHY nodes
+- phy-names: should be "port0" or/and "port1"
+
+Example:
+ ahci: sata@f7e90000 {
+ compatible = "marvell,berlin-ahci";
+ reg = <0xf7e90000 0x1000>;
+ interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+ phys = <&sata_phy 0>, <&sata_phy 1>;
+ phy-names = "port0", "port1";
+ status = "okay";
+ };
--
1.9.1
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