On 09/07/2015 04:49 AM, Mark Rutland wrote:
> The GICv3 ITS uses sideband master identification data (known as a
> DeviceID) to identify which master wrote to a doorbell, and this data is
> used to determine how to react in response to the write.
>
> Commit 1e6db000482fa65a ("irqchip/gicv3-its: Add platform MSI support")
> added support per this binding, but failed to update the documentation.
> This patch fixes the documentation.
>
> Signed-off-by: Mark Rutland <[email protected]>
> Acked-by: Marc Zyngier <[email protected]>
> Cc: Rob Herring <[email protected]>
Applied, thanks.
Rob
> ---
> Documentation/devicetree/bindings/arm/gic-v3.txt | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/arm/gic-v3.txt
> b/Documentation/devicetree/bindings/arm/gic-v3.txt
> index ddfade4..7803e77 100644
> --- a/Documentation/devicetree/bindings/arm/gic-v3.txt
> +++ b/Documentation/devicetree/bindings/arm/gic-v3.txt
> @@ -57,6 +57,8 @@ used to route Message Signalled Interrupts (MSI) to the
> CPUs.
> These nodes must have the following properties:
> - compatible : Should at least contain "arm,gic-v3-its".
> - msi-controller : Boolean property. Identifies the node as an MSI controller
> +- #msi-cells: Must be <1>. The single msi-cell is the DeviceID of the device
> + which will generate the MSI.
> - reg: Specifies the base physical address and size of the ITS
> registers.
>
> @@ -83,6 +85,7 @@ Examples:
> gic-its@2c200000 {
> compatible = "arm,gic-v3-its";
> msi-controller;
> + #msi-cells = <1>;
> reg = <0x0 0x2c200000 0 0x200000>;
> };
> };
> @@ -107,12 +110,14 @@ Examples:
> gic-its@2c200000 {
> compatible = "arm,gic-v3-its";
> msi-controller;
> + #msi-cells = <1>;
> reg = <0x0 0x2c200000 0 0x200000>;
> };
>
> gic-its@2c400000 {
> compatible = "arm,gic-v3-its";
> msi-controller;
> + #msi-cells = <1>;
> reg = <0x0 0x2c400000 0 0x200000>;
> };
> };
>
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