[3/4] documentation: dts: Add the device tree binding for APM X-Gene v1 PCIe MSI device tree node.

Commit Message

Duc Dang Jan. 6, 2015, 4:15 p.m. UTC

The driver for this binding is under 'drivers/pci/host/pci-xgene-msi.c'

Signed-off-by: Tanmay Inamdar <[e-mail]>
Signed-off-by: Duc Dang <[e-mail]>
---
 .../devicetree/bindings/pci/xgene-pci-msi.txt      | 34 ++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pci/xgene-pci-msi.txt

Comments

Arnd Bergmann Jan. 6, 2015, 7:34 p.m. UTC | #1

On Tuesday 06 January 2015 08:15:43 Duc Dang wrote:
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pci/xgene-pci-msi.txt
> @@ -0,0 +1,34 @@
> +* AppliedMicro X-Gene PCIe MSI interface
> +
> +Required properties:
> +
> +- compatible: should contain "apm,xgene-pcie-msi" or "apm,xgene-storm-pcie-msi"
> +       to identify the core.
> +- reg: A list of physical base address and length for each set of controller
> +       registers.
> +- interrupts: A list of interrupt outputs of the controller.
> +
> +Examples:
> +
> +SoC DTSI:
> +
> +       msi@79000000 {
> +            compatible = "apm,xgene-storm-pcie-msi", "apm,xgene-pcie-msi";
> +            reg = <0x00 0x79000000 0x0 0x900000>;
> +            interrupts = <  0x0 0x10 0x4
> +                    0x0 0x11 0x4
> +                    0x0 0x12 0x4
> +                    0x0 0x13 0x4
> +                    0x0 0x14 0x4
> +                    0x0 0x15 0x4
> +                    0x0 0x16 0x4
> +                    0x0 0x17 0x4
> +                    0x0 0x18 0x4
> +                    0x0 0x19 0x4
> +                    0x0 0x1a 0x4
> +                    0x0 0x1b 0x4
> +                    0x0 0x1c 0x4
> +                    0x0 0x1d 0x4
> +                    0x0 0x1e 0x4
> +                    0x0 0x1f 0x4>;
> +       };

I think the example should contain the pci controller with the respective
msi-parent property.

	Arnd
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Patch

diff --git a/Documentation/devicetree/bindings/pci/xgene-pci-msi.txt b/Documentation/devicetree/bindings/pci/xgene-pci-msi.txt
new file mode 100644
index 0000000..386782c
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/xgene-pci-msi.txt
@@ -0,0 +1,34 @@ 
+* AppliedMicro X-Gene PCIe MSI interface
+
+Required properties:
+
+- compatible: should contain "apm,xgene-pcie-msi" or "apm,xgene-storm-pcie-msi"
+	to identify the core.
+- reg: A list of physical base address and length for each set of controller
+       registers.
+- interrupts: A list of interrupt outputs of the controller.
+
+Examples:
+
+SoC DTSI:
+
+	msi@79000000 {
+	     compatible = "apm,xgene-storm-pcie-msi", "apm,xgene-pcie-msi";
+	     reg = <0x00 0x79000000 0x0 0x900000>;
+	     interrupts = <  0x0 0x10 0x4
+		     0x0 0x11 0x4
+		     0x0 0x12 0x4
+		     0x0 0x13 0x4
+		     0x0 0x14 0x4
+		     0x0 0x15 0x4
+		     0x0 0x16 0x4
+		     0x0 0x17 0x4
+		     0x0 0x18 0x4
+		     0x0 0x19 0x4
+		     0x0 0x1a 0x4
+		     0x0 0x1b 0x4
+		     0x0 0x1c 0x4
+		     0x0 0x1d 0x4
+		     0x0 0x1e 0x4
+		     0x0 0x1f 0x4>;
+	};