devicetree: create a separate binding description for sata_highbank
authorMark Langsdorf <mark.langsdorf@calxeda.com>
Wed, 14 Aug 2013 20:40:11 +0000 (15:40 -0500)
committerTejun Heo <tj@kernel.org>
Wed, 14 Aug 2013 20:43:29 +0000 (16:43 -0400)
The Calxeda sata_highbank driver has been adding its descriptions to the
ahci driver. Separate them properly. This patch only affects
documentation and has no functional component.

Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Documentation/devicetree/bindings/ata/ahci-platform.txt
Documentation/devicetree/bindings/ata/sata_highbank.txt [new file with mode: 0644]

index 3ec0c5c..89de156 100644 (file)
@@ -4,27 +4,17 @@ SATA nodes are defined to describe on-chip Serial ATA controllers.
 Each SATA controller should have its own node.
 
 Required properties:
-- compatible        : compatible list, contains "calxeda,hb-ahci" or "snps,spear-ahci"
+- compatible        : compatible list, contains "snps,spear-ahci"
 - interrupts        : <interrupt mapping for SATA IRQ>
 - reg               : <registers mapping>
 
 Optional properties:
-- calxeda,port-phys: phandle-combophy and lane assignment, which maps each
-                       SATA port to a combophy and a lane within that
-                       combophy
-- calxeda,sgpio-gpio: phandle-gpio bank, bit offset, and default on or off,
-                       which indicates that the driver supports SGPIO
-                       indicator lights using the indicated GPIOs
-- calxeda,led-order : a u32 array that map port numbers to offsets within the
-                       SGPIO bitstream.
 - dma-coherent      : Present if dma operations are coherent
 
 Example:
         sata@ffe08000 {
-               compatible = "calxeda,hb-ahci";
-                reg = <0xffe08000 0x1000>;
-                interrupts = <115>;
-               calxeda,port-phys = <&combophy5 0 &combophy0 0 &combophy0 1
-                                       &combophy0 2 &combophy0 3>;
+               compatible = "snps,spear-ahci";
+               reg = <0xffe08000 0x1000>;
+               interrupts = <115>;
 
         };
diff --git a/Documentation/devicetree/bindings/ata/sata_highbank.txt b/Documentation/devicetree/bindings/ata/sata_highbank.txt
new file mode 100644 (file)
index 0000000..e7a6f28
--- /dev/null
@@ -0,0 +1,34 @@
+* Calxeda AHCI SATA Controller
+
+SATA nodes are defined to describe on-chip Serial ATA controllers.
+The Calxeda SATA controller mostly conforms to the AHCI interface
+with some special extensions to add functionality.
+Each SATA controller should have its own node.
+
+Required properties:
+- compatible        : compatible list, contains "calxeda,hb-ahci"
+- interrupts        : <interrupt mapping for SATA IRQ>
+- reg               : <registers mapping>
+
+Optional properties:
+- dma-coherent      : Present if dma operations are coherent
+- calxeda,port-phys : phandle-combophy and lane assignment, which maps each
+                       SATA port to a combophy and a lane within that
+                       combophy
+- calxeda,sgpio-gpio: phandle-gpio bank, bit offset, and default on or off,
+                       which indicates that the driver supports SGPIO
+                       indicator lights using the indicated GPIOs
+- calxeda,led-order : a u32 array that map port numbers to offsets within the
+                       SGPIO bitstream.
+
+Example:
+        sata@ffe08000 {
+               compatible = "calxeda,hb-ahci";
+               reg = <0xffe08000 0x1000>;
+               interrupts = <115>;
+               dma-coherent;
+               calxeda,port-phys = <&combophy5 0 &combophy0 0 &combophy0 1
+                                       &combophy0 2 &combophy0 3>;
+               calxeda,sgpio-gpio =<&gpioh 5 1 &gpioh 6 1 &gpioh 7 1>;
+               calxeda,led-order = <4 0 1 2 3>;
+        };