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authorBjorn Andersson <bjorn.andersson@linaro.org>2017-11-30 03:00:40 +0300
committerAndy Gross <andy.gross@linaro.org>2017-12-21 00:38:34 +0300
commite71802647bfd639a9f53e49a4ef86a2bfdbeb611 (patch)
tree7a67736b210088d72f75e39d745506f8b5f7065c /Documentation/devicetree/bindings
parent3b229bdb54cc83061b4b7840e3532316cb1ac7ce (diff)
downloadlinux-e71802647bfd639a9f53e49a4ef86a2bfdbeb611.tar.xz
soc: qcom: smp2p: Access APCS as mailbox client
Attempt to acquire the APCS IPC through the mailbox framework and fall back to the old syscon based approach, to allow us to move away from using the syscon. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Andy Gross <andy.gross@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings')
-rw-r--r--Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt8
1 files changed, 7 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt
index af9ca37221ce..a35af2dafdad 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt
@@ -17,9 +17,15 @@ processor ID) and a string identifier.
Value type: <prop-encoded-array>
Definition: one entry specifying the smp2p notification interrupt
-- 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 end of the smp2p edge:
- phandle to a syscon node representing the apcs registers