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[104.188.17.28]) by smtp.gmail.com with ESMTPSA id x21sm22210789pfi.122.2019.11.18.21.49.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Nov 2019 21:49:03 -0800 (PST) Date: Mon, 18 Nov 2019 21:49:00 -0800 From: Bjorn Andersson To: Sibi Sankar Cc: srinivas.kandagatla@linaro.org, robh+dt@kernel.org, tsoni@codeaurora.org, agross@kernel.org, mark.rutland@arm.com, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, rnayak@codeaurora.org Subject: Re: [PATCH 2/3] dt-bindings: soc: qcom: apr: Add protection domain bindings Message-ID: <20191119054900.GD18024@yoga> References: <20191118142728.30187-1-sibis@codeaurora.org> <0101016e7ee9c786-fcf80f4e-9b57-4d6b-8806-9ca408e21b55-000000@us-west-2.amazonses.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0101016e7ee9c786-fcf80f4e-9b57-4d6b-8806-9ca408e21b55-000000@us-west-2.amazonses.com> User-Agent: Mutt/1.12.2 (2019-09-21) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon 18 Nov 06:28 PST 2019, Sibi Sankar wrote: > Add optional "qcom,protection-domain" bindings for APR services. This > helps to capture the dependencies between APR services and the PD on > which each apr service run. > Reviewed-by: Bjorn Andersson > Signed-off-by: Sibi Sankar > --- > .../devicetree/bindings/soc/qcom/qcom,apr.txt | 59 +++++++++++++++++++ > 1 file changed, 59 insertions(+) > > diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt > index db501269f47b8..f87c0b2a48de4 100644 > --- a/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt > +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt > @@ -45,6 +45,12 @@ by the individual bindings for the specific service > 12 - Ultrasound stream manager. > 13 - Listen stream manager. > > +- qcom,protection-domain > + Usage: optional > + Value type: > + Definition: Must list the protection domain service name and path > + that the particular apr service has a dependency on. > + > = EXAMPLE > The following example represents a QDSP based sound card on a MSM8996 device > which uses apr as communication between Apps and QDSP. > @@ -82,3 +88,56 @@ which uses apr as communication between Apps and QDSP. > ... > }; > }; > + > += EXAMPLE 2 > +The following example represents a QDSP based sound card on SDM845 device. > +Here the apr services are dependent on "avs/audio" service running on AUDIO > +Protection Domain hosted on ADSP remote processor. > + > + apr { > + compatible = "qcom,apr-v2"; > + qcom,glink-channels = "apr_audio_svc"; > + qcom,apr-domain = ; > + > + q6core { > + compatible = "qcom,q6core"; > + reg = ; > + qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; > + }; > + > + q6afe: q6afe { > + compatible = "qcom,q6afe"; > + reg = ; > + qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; > + q6afedai: dais { > + compatible = "qcom,q6afe-dais"; > + #sound-dai-cells = <1>; > + > + qi2s@22 { > + reg = <22>; > + qcom,sd-lines = <3>; > + }; > + }; > + }; > + > + q6asm: q6asm { > + compatible = "qcom,q6asm"; > + reg = ; > + qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; > + q6asmdai: dais { > + compatible = "qcom,q6asm-dais"; > + #sound-dai-cells = <1>; > + iommus = <&apps_smmu 0x1821 0x0>; > + }; > + }; > + > + q6adm: q6adm { > + compatible = "qcom,q6adm"; > + reg = ; > + qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; > + q6routing: routing { > + compatible = "qcom,q6adm-routing"; > + #sound-dai-cells = <0>; > + }; > + }; > + }; > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project >