Thread (7 messages) 7 messages, 2 authors, 2013-08-02

Re: [PATCH v2 3/5] devicetree: create a separate binding description for sata_highbank

From: Mark Langsdorf <hidden>
Date: 2013-08-02 20:11:24
Also in: linux-ide, lkml

On 08/02/2013 03:01 PM, Sergei Shtylyov wrote:
On 08/02/2013 08:28 PM, Mark Langsdorf wrote:
quoted
The Calxeda sata_highbank driver has been adding its descriptions to the
ahci driver. Separate them properly.
quoted
Signed-off-by: Mark Langsdorf <redacted>
Acked-by: Rob Herring <redacted>
[...]
quoted
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.
[...]
quoted
  Example:
          sata@ffe08000 {
-		compatible = "calxeda,hb-ahci";
+		compatible = "snps,spear-ahci";
                  reg = <0xffe08000 0x1000>;
                  interrupts = <115>;
    Indented these 2 props with spaces, would be good to fix...
Thanks, I will fix.
quoted
-		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
    Shouldn't the file be called calxeda,hb-ahci.txt?
# ls Documentation/devicetree/bindings/ata/
ahci-platform.txt         exynos-sata.txt           pata-arasan.txt
atmel-at91_cf.txt         fsl-sata.txt              sata_highbank.txt
cavium-compact-flash.txt  imx-pata.txt
exynos-sata-phy.txt       marvell.txt

By comparison with the other files in the directory, no. Using _ instead
of - is slightly unorthodox but not unknown within the
devicetree/bindings subdirectories.
quoted
@@ -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@ffe08000 {
+		compatible = "calxeda,hb-ahci";
+                reg = <0xffe08000 0x1000>;
+                interrupts = <115>;
+		calxeda,port-phys = <&combophy5 0 &combophy0 0 &combophy0 1
    Could you indent props uniformly here, with tabs?
Yes.

Thanks for the review.

--Mark Langsdorf
Calxeda, Inc.
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