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Date: Wed, 18 Oct 2017 18:10:16 -0700 From: Chris Lew <clew@...eaurora.org> To: bjorn.andersson@...aro.org, andy.gross@...aro.org, david.brown@...aro.org, robh+dt@...nel.org, mark.rutland@....com Cc: aneela@...eaurora.org, smaliyap@...eaurora.org, linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, clew@...eaurora.org Subject: [PATCH 1/3] 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. Signed-off-by: Chris Lew <clew@...eaurora.org> --- Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt index b277eca861f7..6c21f76822ca 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 +- 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. If a GLINK node + supports intents, an intent advertises this channel is ready + to receive data. + = 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"; + intents = <0x400 5 + 0x800 1>; ... }; }; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
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