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| author | Chris Lew <clew@codeaurora.org> | 2017-10-27 00:28:54 +0200 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2017-10-31 05:16:45 +0100 |
| commit | eace566c3406cac3131d44198f05b7b55f79651f (patch) | |
| tree | e0717d1ec682af66fb30323b531d1424c30374f5 /Documentation | |
| parent | rpmsg: glink: Initialize the "intent_req_comp" completion variable (diff) | |
| download | linux-eace566c3406cac3131d44198f05b7b55f79651f.tar.xz linux-eace566c3406cac3131d44198f05b7b55f79651f.zip | |
dt-bindings: soc: qcom: Support GLINK intents
Virtual GLINK channels may know what throughput to expect from a
remoteproc. An intent advertises to the remoteproc this channel is
ready to receive data. Allow a channel to define the size and amount of
intents to be prequeued.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chris Lew <clew@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt index b277eca861f7..9663cab52246 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt @@ -39,6 +39,14 @@ of these nodes are defined by the individual bindings for the specific function Definition: a list of channels tied to this function, used for matching the function to a set of virtual channels +- qcom,intents: + Usage: optional + Value type: <prop-encoded-array> + Definition: a list of size,amount pairs describing what intents should + be preallocated for this virtual channel. This can be used + to tweak the default intents available for the channel to + meet expectations of the remote. + = EXAMPLE The following example represents the GLINK RPM node on a MSM8996 device, with the function for the "rpm_request" channel defined, which is used for @@ -69,6 +77,8 @@ regualtors and root clocks. compatible = "qcom,rpm-msm8996"; qcom,glink-channels = "rpm_requests"; + qcom,intents = <0x400 5 + 0x800 1>; ... }; }; |