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Date: Tue, 26 Sep 2023 18:51:16 +0200
From: Stephan Gerhold <stephan@...hold.net>
To: Bjorn Andersson <andersson@...nel.org>
Cc: Andy Gross <agross@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, phone-devel@...r.kernel.org,
~postmarketos/upstreaming@...ts.sr.ht,
Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
Stephan Gerhold <stephan@...hold.net>
Subject: [PATCH 02/13] arm64: dts: qcom: msm8916/39: Add QDSP6
MSM8916 and MSM8939 do not have a dedicated ADSP. Instead, the audio
services via APR are also implemented by the modem DSP. Audio can be
either routed via the modem DSP (necessary for voice call audio etc)
or directly sent to the LPASS hardware (currently used by DB410c).
Bypassing QDSP6 audio is only possible with special firmware
(on DB410c) or when the modem DSP is completely disabled.
Add the typical nodes for QDSP6 audio to msm8916.dtsi and msm8939.dtsi.
The apr node is disabled by default to avoid changing behavior for
devices like DB410c that use the bypassed audio path.
Signed-off-by: Stephan Gerhold <stephan@...hold.net>
---
arch/arm64/boot/dts/qcom/msm8916.dtsi | 49 +++++++++++++++++++++++++++++++++++
arch/arm64/boot/dts/qcom/msm8939.dtsi | 49 +++++++++++++++++++++++++++++++++++
2 files changed, 98 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index 4f799b536a92..e8a14dd7e7c2 100644
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -10,6 +10,7 @@
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/qcom-rpmpd.h>
#include <dt-bindings/reset/qcom,gcc-msm8916.h>
+#include <dt-bindings/soc/qcom,apr.h>
#include <dt-bindings/thermal/thermal.h>
/ {
@@ -1989,6 +1990,54 @@ smd-edge {
label = "hexagon";
+ apr: apr {
+ compatible = "qcom,apr-v2";
+ qcom,smd-channels = "apr_audio_svc";
+ qcom,domain = <APR_DOMAIN_ADSP>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+
+ q6core: service@3 {
+ compatible = "qcom,q6core";
+ reg = <APR_SVC_ADSP_CORE>;
+ };
+
+ q6afe: service@4 {
+ compatible = "qcom,q6afe";
+ reg = <APR_SVC_AFE>;
+
+ q6afedai: dais {
+ compatible = "qcom,q6afe-dais";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #sound-dai-cells = <1>;
+ };
+ };
+
+ q6asm: service@7 {
+ compatible = "qcom,q6asm";
+ reg = <APR_SVC_ASM>;
+
+ q6asmdai: dais {
+ compatible = "qcom,q6asm-dais";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #sound-dai-cells = <1>;
+ };
+ };
+
+ q6adm: service@8 {
+ compatible = "qcom,q6adm";
+ reg = <APR_SVC_ADM>;
+
+ q6routing: routing {
+ compatible = "qcom,q6adm-routing";
+ #sound-dai-cells = <0>;
+ };
+ };
+ };
+
fastrpc {
compatible = "qcom,fastrpc";
qcom,smd-channels = "fastrpcsmd-apps-dsp";
diff --git a/arch/arm64/boot/dts/qcom/msm8939.dtsi b/arch/arm64/boot/dts/qcom/msm8939.dtsi
index 65c68e0e88d5..95610a32750a 100644
--- a/arch/arm64/boot/dts/qcom/msm8939.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8939.dtsi
@@ -10,6 +10,7 @@
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/qcom-rpmpd.h>
#include <dt-bindings/reset/qcom,gcc-msm8939.h>
+#include <dt-bindings/soc/qcom,apr.h>
#include <dt-bindings/thermal/thermal.h>
/ {
@@ -1615,6 +1616,54 @@ smd-edge {
qcom,remote-pid = <1>;
label = "hexagon";
+
+ apr: apr {
+ compatible = "qcom,apr-v2";
+ qcom,smd-channels = "apr_audio_svc";
+ qcom,domain = <APR_DOMAIN_ADSP>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+
+ q6core: service@3 {
+ compatible = "qcom,q6core";
+ reg = <APR_SVC_ADSP_CORE>;
+ };
+
+ q6afe: service@4 {
+ compatible = "qcom,q6afe";
+ reg = <APR_SVC_AFE>;
+
+ q6afedai: dais {
+ compatible = "qcom,q6afe-dais";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #sound-dai-cells = <1>;
+ };
+ };
+
+ q6asm: service@7 {
+ compatible = "qcom,q6asm";
+ reg = <APR_SVC_ASM>;
+
+ q6asmdai: dais {
+ compatible = "qcom,q6asm-dais";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #sound-dai-cells = <1>;
+ };
+ };
+
+ q6adm: service@8 {
+ compatible = "qcom,q6adm";
+ reg = <APR_SVC_ADM>;
+
+ q6routing: routing {
+ compatible = "qcom,q6adm-routing";
+ #sound-dai-cells = <0>;
+ };
+ };
+ };
};
};
--
2.42.0
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