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[2/4] dt-bindings: pci: qcom: Document additional PCI MSI interrupts

Message ID 20220411114926.1975363-3-dmitry.baryshkov@linaro.org
State New
Headers show
Series PCI: qcom: Fix higher MSI vectors handling | expand

Commit Message

Dmitry Baryshkov April 11, 2022, 11:49 a.m. UTC
On Qualcomm platforms each group of MSI interrupts is routed to the
separate GIC interrupt. Document mapping of additional interrupts.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 Documentation/devicetree/bindings/pci/qcom,pcie.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.txt b/Documentation/devicetree/bindings/pci/qcom,pcie.txt
index 0adb56d5645e..64632f3e4334 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.txt
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.txt
@@ -57,12 +57,14 @@ 
 - interrupts:
 	Usage: required
 	Value type: <prop-encoded-array>
-	Definition: MSI interrupt
+	Definition: MSI interrupt(s)
 
 - interrupt-names:
 	Usage: required
 	Value type: <stringlist>
 	Definition: Should contain "msi"
+		    May also contains "msi2", "msi3"... up to "msi8"
+		    if the platform supports additional MSI interrupts.
 
 - #interrupt-cells:
 	Usage: required