From mboxrd@z Thu Jan 1 00:00:00 1970 From: srinivas.kandagatla@linaro.org Subject: [RESEND PATCH v2 01/15] dt-bindings: soc: qcom: Add bindings for APR bus Date: Thu, 14 Dec 2017 17:33:48 +0000 Message-ID: <20171214173402.19074-2-srinivas.kandagatla@linaro.org> References: <20171214173402.19074-1-srinivas.kandagatla@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20171214173402.19074-1-srinivas.kandagatla@linaro.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Andy Gross , Mark Brown , linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org Cc: Mark Rutland , devicetree@vger.kernel.org, Banajit Goswami , linux-kernel@vger.kernel.org, Patrick Lai , Takashi Iwai , sboyd@codeaurora.org, Liam Girdwood , David Brown , Rob Herring , Srinivas Kandagatla , linux-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org From: Srinivas Kandagatla This patch add dt bindings for Qualcomm APR bus driver Signed-off-by: Srinivas Kandagatla --- .../devicetree/bindings/soc/qcom/qcom,apr.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt new file mode 100644 index 000000000000..4e93213ae98d --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt @@ -0,0 +1,28 @@ +Qualcomm APR (Asynchronous Packet Router) binding + +This binding describes the Qualcomm APR. APR is a IPC protocol for +communication between Application processor and QDSP. APR is mainly +used for audio/voice services on the QDSP. + +- compatible: + Usage: required + Value type: + Definition: must be "qcom,apr-" example: "qcom,apr-msm8996" + + +- qcom,smd-channel: + Usage: required + Value type: + Definition: standard SMD property specifying the SMD channel used for + communication with the APR on QDSP. + Should be "apr_audio_svc". + Described in soc/qcom/qcom,smd.txt + += EXAMPLE +The following example represents a QDSP based sound card on a MSM8996 device +which uses apr as communication between Apps and QDSP. + + apr { + compatible = "qcom,apr-msm8996"; + qcom,smd-channels = "apr_audio_svc"; + }; -- 2.15.0