From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Lew Subject: [PATCH 1/3] dt-bindings: soc: qcom: Support GLINK intents Date: Wed, 18 Oct 2017 18:10:16 -0700 Message-ID: <1508375418-15611-2-git-send-email-clew@codeaurora.org> References: <1508375418-15611-1-git-send-email-clew@codeaurora.org> Return-path: In-Reply-To: <1508375418-15611-1-git-send-email-clew@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org To: bjorn.andersson@linaro.org, andy.gross@linaro.org, david.brown@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com Cc: aneela@codeaurora.org, smaliyap@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, clew@codeaurora.org List-Id: devicetree@vger.kernel.org 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 --- 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: + 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