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-rw-r--r--dts/Bindings/soc/qcom/qcom,smd.txt8
1 files changed, 7 insertions, 1 deletions
diff --git a/dts/Bindings/soc/qcom/qcom,smd.txt b/dts/Bindings/soc/qcom/qcom,smd.txt
index ea1dc75..234ae22 100644
--- a/dts/Bindings/soc/qcom/qcom,smd.txt
+++ b/dts/Bindings/soc/qcom/qcom,smd.txt
@@ -22,9 +22,15 @@ The edge is described by the following properties:
Definition: should specify the IRQ used by the remote processor to
signal this processor about communication related updates
-- qcom,ipc:
+- mboxes:
Usage: required
Value type: <prop-encoded-array>
+ Definition: reference to the associated doorbell in APCS, as described
+ in mailbox/mailbox.txt
+
+- qcom,ipc:
+ Usage: required, unless mboxes is specified
+ Value type: <prop-encoded-array>
Definition: three entries specifying the outgoing ipc bit used for
signaling the remote processor:
- phandle to a syscon node representing the apcs registers