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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2020-07-21 19:02:33 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2020-07-21 19:02:33 -0700
commit9b031c86506cef9acae45e61339fcf9deaabb793 (patch)
tree9095d638ba9384f86df8d61dcf1f129c082481e1 /Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt
parent53aab92dec447f93489e07924e310d605a389dea (diff)
parent04d5ce620f794f1df69b5f1b9ad62910fea547f1 (diff)
downloadlinux-9b031c86506cef9acae45e61339fcf9deaabb793.tar.bz2
Merge branch 'elan-i2c' into next
Bring in update to Elan touchpad driver to support newer touchpads with higher resolution.
Diffstat (limited to 'Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt')
-rw-r--r--Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt50
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diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt
index db501269f47b..f8fa71f5d84b 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt
@@ -45,6 +45,18 @@ by the individual bindings for the specific service
12 - Ultrasound stream manager.
13 - Listen stream manager.
+- qcom,protection-domain
+ Usage: optional
+ Value type: <stringlist>
+ Definition: Must list the protection domain service name and path
+ that the particular apr service has a dependency on.
+ Possible values are :
+ "avs/audio", "msm/adsp/audio_pd".
+ "kernel/elf_loader", "msm/modem/wlan_pd".
+ "tms/servreg", "msm/adsp/audio_pd".
+ "tms/servreg", "msm/modem/wlan_pd".
+ "tms/servreg", "msm/slpi/sensor_pd".
+
= 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 +94,41 @@ which uses apr as communication between Apps and QDSP.
...
};
};
+
+= EXAMPLE 2
+The following example represents a QDSP based sound card with protection domain
+dependencies specified. Here some of the apr services are dependent on services
+running on protection domain hosted on ADSP/SLPI remote processors while others
+have no such dependency.
+
+ apr {
+ compatible = "qcom,apr-v2";
+ qcom,glink-channels = "apr_audio_svc";
+ qcom,apr-domain = <APR_DOMAIN_ADSP>;
+
+ q6core {
+ compatible = "qcom,q6core";
+ reg = <APR_SVC_ADSP_CORE>;
+ };
+
+ q6afe: q6afe {
+ compatible = "qcom,q6afe";
+ reg = <APR_SVC_AFE>;
+ qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
+ ...
+ };
+
+ q6asm: q6asm {
+ compatible = "qcom,q6asm";
+ reg = <APR_SVC_ASM>;
+ qcom,protection-domain = "tms/servreg", "msm/slpi/sensor_pd";
+ ...
+ };
+
+ q6adm: q6adm {
+ compatible = "qcom,q6adm";
+ reg = <APR_SVC_ADM>;
+ qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
+ ...
+ };
+ };