Re: [PATCH v4 1/3] devicetree: create a separate binding descriptionfor sata_highbank

From: Mark Langsdorf
Date: Wed Aug 14 2013 - 16:36:31 EST


On 08/14/2013 03:27 PM, Tejun Heo wrote:
> Hello,
>
> On Wed, Aug 14, 2013 at 01:23:30PM -0500, Mark Langsdorf wrote:
>> Documentation/devicetree/bindings/ata/sata_highbank.txt | 6 ++++--
>> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> Any ideas on how these should be routed? The above doesn't apply to
> libata or master as the file doesn't exist there yet.

I accidentally introduced a new commit while cleaning up the patch. The
correct patch text should have been as follows. Do you want me to resubmit?

--Mark Langsdorf
Calxeda, Inc.

---
.../devicetree/bindings/ata/ahci-platform.txt | 18 +++---------
.../devicetree/bindings/ata/sata_highbank.txt | 34
++++++++++++++++++++++
2 files changed, 38 insertions(+), 14 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..89de156 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@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
index 0000000..e7a6f28
--- /dev/null
+++ b/Documentation/devicetree/bindings/ata/sata_highbank.txt
@@ -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>;
+ };
--
1.8.1.2


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