linux-kernel - [PATCH v2 2/4] arm64: dts: qcom: qcm2290: add APR and its services

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Message-Id: <20251007-rb1_hdmi_audio-v2-2-821b6a705e4c@linaro.org>
Date: Tue, 07 Oct 2025 03:03:30 +0100
From: Alexey Klimov <alexey.klimov@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>, 
 Srinivas Kandagatla <srini@...nel.org>
Cc: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>, 
 linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-sound@...r.kernel.org, Alexey Klimov <alexey.klimov@...aro.org>, 
 Konrad Dybcio <konrad.dybcio@....qualcomm.com>, 
 Dmitry Baryshkov <lumag@...nel.org>
Subject: [PATCH v2 2/4] arm64: dts: qcom: qcm2290: add APR and its services

Add APR (asynchronous packet router) node and its associated services
required to enable audio on QRB2210 RB1 board.

Cc: Srinivas Kandagatla <srini@...nel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Alexey Klimov <alexey.klimov@...aro.org>
---
 arch/arm64/boot/dts/qcom/qcm2290.dtsi | 72 +++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcm2290.dtsi b/arch/arm64/boot/dts/qcom/qcm2290.dtsi
index 08141b41de2462ce91896fd84644413fa46ac047..7303aff33814f256a2ea09a71a640db466370eff 100644
--- a/arch/arm64/boot/dts/qcom/qcm2290.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcm2290.dtsi
@@ -17,6 +17,8 @@
 #include <dt-bindings/interconnect/qcom,qcm2290.h>
 #include <dt-bindings/interconnect/qcom,rpm-icc.h>
 #include <dt-bindings/power/qcom-rpmpd.h>
+#include <dt-bindings/soc/qcom,apr.h>
+#include <dt-bindings/sound/qcom,q6asm.h>
 
 / {
 	interrupt-parent = <&intc>;
@@ -2077,6 +2079,76 @@ glink-edge {
 				label = "lpass";
 				qcom,remote-pid = <2>;
 				mboxes = <&apcs_glb 8>;
+
+				apr {
+					compatible = "qcom,apr-v2";
+					qcom,glink-channels = "apr_audio_svc";
+					qcom,domain = <APR_DOMAIN_ADSP>;
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					service@3 {
+						reg = <APR_SVC_ADSP_CORE>;
+						compatible = "qcom,q6core";
+						qcom,protection-domain = "avs/audio",
+									 "msm/adsp/audio_pd";
+					};
+
+					q6afe: service@4 {
+						compatible = "qcom,q6afe";
+						reg = <APR_SVC_AFE>;
+						qcom,protection-domain = "avs/audio",
+									 "msm/adsp/audio_pd";
+						q6afedai: dais {
+							compatible = "qcom,q6afe-dais";
+							#address-cells = <1>;
+							#size-cells = <0>;
+							#sound-dai-cells = <1>;
+						};
+
+						q6afecc: clock-controller {
+							compatible = "qcom,q6afe-clocks";
+							#clock-cells = <2>;
+						};
+					};
+
+					q6asm: service@7 {
+						compatible = "qcom,q6asm";
+						reg = <APR_SVC_ASM>;
+						qcom,protection-domain = "avs/audio",
+									 "msm/adsp/audio_pd";
+						q6asmdai: dais {
+							compatible = "qcom,q6asm-dais";
+							#address-cells = <1>;
+							#size-cells = <0>;
+							#sound-dai-cells = <1>;
+							iommus = <&apps_smmu 0x1c1 0x0>;
+
+							dai@0 {
+								reg = <MSM_FRONTEND_DAI_MULTIMEDIA1>;
+							};
+
+							dai@1 {
+								reg = <MSM_FRONTEND_DAI_MULTIMEDIA2>;
+							};
+
+							dai@2 {
+								reg = <MSM_FRONTEND_DAI_MULTIMEDIA3>;
+							};
+						};
+					};
+
+					q6adm: service@8 {
+						compatible = "qcom,q6adm";
+						reg = <APR_SVC_ADM>;
+						qcom,protection-domain = "avs/audio",
+									 "msm/adsp/audio_pd";
+						q6routing: routing {
+							compatible = "qcom,q6adm-routing";
+							#sound-dai-cells = <0>;
+						};
+					};
+				};
 			};
 		};
 

-- 
2.47.3