linux-kernel - [PATCH 3/5] devicetree: create a separate binding description for sata

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Message-Id: <1374851518-4802-3-git-send-email-mark.langsdorf@calxeda.com>
Date:	Fri, 26 Jul 2013 10:11:56 -0500
From:	Mark Langsdorf <mark.langsdorf@...xeda.com>
To:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	tj@...nel.org, devicetree@...r.kernel.org, pawel.moll@....com,
	mark.rutland@....com, swarren@...dotorg.org,
	ian.campbell@...rix.com, rob.herring@...xeda.com
Cc:	Mark Langsdorf <mark.langsdorf@...xeda.com>
Subject: [PATCH 3/5] devicetree: create a separate binding description for sata_highbank

The Calxeda sata_highbank driver has been adding its descriptions to the
ahci driver. Separate them properly.

Signed-off-by: Mark Langsdorf <mark.langsdorf@...xeda.com>
---
 .../devicetree/bindings/ata/ahci-platform.txt      | 14 ++--------
 .../devicetree/bindings/ata/sata_highbank.txt      | 32 ++++++++++++++++++++++
 2 files changed, 34 insertions(+), 12 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/ata/sata_highbank.txt

diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt
index 3ec0c5c..14d7b22 100644
--- a/Documentation/devicetree/bindings/ata/ahci-platform.txt
+++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt
@@ -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@...08000 {
-		compatible = "calxeda,hb-ahci";
+		compatible = "snps,spear-ahci";
                 reg = <0xffe08000 0x1000>;
                 interrupts = <115>;
-		calxeda,port-phys = <&combophy5 0 &combophy0 0 &combophy0 1
-					&combophy0 2 &combophy0 3>;
 
         };
diff --git a/Documentation/devicetree/bindings/ata/sata_highbank.txt b/Documentation/devicetree/bindings/ata/sata_highbank.txt
new file mode 100644
index 0000000..aa1b798
--- /dev/null
+++ b/Documentation/devicetree/bindings/ata/sata_highbank.txt
@@ -0,0 +1,32 @@
+* 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@...08000 {
+		compatible = "calxeda,hb-ahci";
+                reg = <0xffe08000 0x1000>;
+                interrupts = <115>;
+		calxeda,port-phys = <&combophy5 0 &combophy0 0 &combophy0 1
+					&combophy0 2 &combophy0 3>;
+
+        };
-- 
1.8.1.2

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