diff options
Diffstat (limited to 'Documentation/devicetree/bindings/soc')
| -rw-r--r-- | Documentation/devicetree/bindings/soc/mediatek/scpsys.txt | 5 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt | 84 |
2 files changed, 88 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt index 76bf45b893fa..d6fe16f094af 100644 --- a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt +++ b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt @@ -21,6 +21,8 @@ Required properties: - "mediatek,mt2712-scpsys" - "mediatek,mt6797-scpsys" - "mediatek,mt7622-scpsys" + - "mediatek,mt7623-scpsys", "mediatek,mt2701-scpsys": For MT7623 SoC + - "mediatek,mt7623a-scpsys": For MT7623A SoC - "mediatek,mt8173-scpsys" - #power-domain-cells: Must be 1 - reg: Address range of the SCPSYS unit @@ -28,10 +30,11 @@ Required properties: - clock, clock-names: clocks according to the common clock binding. These are clocks which hardware needs to be enabled before enabling certain power domains. - Required clocks for MT2701: "mm", "mfg", "ethif" + Required clocks for MT2701 or MT7623: "mm", "mfg", "ethif" Required clocks for MT2712: "mm", "mfg", "venc", "jpgdec", "audio", "vdec" Required clocks for MT6797: "mm", "mfg", "vdec" Required clocks for MT7622: "hif_sel" + Required clocks for MT7622A: "ethif" Required clocks for MT8173: "mm", "mfg", "venc", "venc_lt" Optional properties: 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..bcc612cc7423 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt @@ -0,0 +1,84 @@ +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: <stringlist> + Definition: must be "qcom,apr-v<VERSION-NUMBER>", example "qcom,apr-v2" + +- reg + Usage: required + Value type: <u32> + Definition: Destination processor ID. + Possible values are : + 1 - APR simulator + 2 - PC + 3 - MODEM + 4 - ADSP + 5 - APPS + 6 - MODEM2 + 7 - APPS2 + += APR SERVICES +Each subnode of the APR node represents service tied to this apr. The name +of the nodes are not important. The properties of these nodes are defined +by the individual bindings for the specific service +- All APR services MUST contain the following property: + +- reg + Usage: required + Value type: <u32> + Definition: APR Service ID + Possible values are : + 3 - DSP Core Service + 4 - Audio Front End Service. + 5 - Voice Stream Manager Service. + 6 - Voice processing manager. + 7 - Audio Stream Manager Service. + 8 - Audio Device Manager Service. + 9 - Multimode voice manager. + 10 - Core voice stream. + 11 - Core voice processor. + 12 - Ultrasound stream manager. + 13 - Listen stream manager. + += EXAMPLE +The following example represents a QDSP based sound card on a MSM8996 device +which uses apr as communication between Apps and QDSP. + + apr@4 { + compatible = "qcom,apr-v2"; + reg = <APR_DOMAIN_ADSP>; + + q6core@3 { + compatible = "qcom,q6core"; + reg = <APR_SVC_ADSP_CORE>; + }; + + q6afe@4 { + compatible = "qcom,q6afe"; + reg = <APR_SVC_AFE>; + + dais { + #sound-dai-cells = <1>; + hdmi@1 { + reg = <1>; + }; + }; + }; + + q6asm@7 { + compatible = "qcom,q6asm"; + reg = <APR_SVC_ASM>; + ... + }; + + q6adm@8 { + compatible = "qcom,q6adm"; + reg = <APR_SVC_ADM>; + ... + }; + }; |