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Subject[PATCH V4 01/10] Documentation: DT: qcom_hidma: update binding for MSI
Date
Adding a new binding for qcom,hidma-1.1 to distinguish HW supporting
MSI interrupts from the older revision.

Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
---
Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt b/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt
index fd5618b..2c5e4b8 100644
--- a/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt
+++ b/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt
@@ -47,12 +47,18 @@ When the OS is not in control of the management interface (i.e. it's a guest),
the channel nodes appear on their own, not under a management node.

Required properties:
-- compatible: must contain "qcom,hidma-1.0"
+- compatible: must contain "qcom,hidma-1.0" for initial HW or "qcom,hidma-1.1"
+for MSI capable HW.
- reg: Addresses for the transfer and event channel
- interrupts: Should contain the event interrupt
- desc-count: Number of asynchronous requests this channel can handle
- iommus: required a iommu node

+Optional properties for MSI:
+- msi-parent : See the generic MSI binding described in
+ devicetree/bindings/interrupt-controller/msi.txt for a description of the
+ msi-parent property.
+
Example:

Hypervisor OS configuration:
--
1.9.1
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