From: Srinivas Kandagatla srinivas.kandagatla@linaro.org
This patch add DT bindings for AFE (Audio Frontend) DSP module.
Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- .../devicetree/bindings/sound/qcom,q6afe.txt | 107 +++++++++++++++++++++ include/dt-bindings/sound/qcom,q6afe.h | 31 ++++++ 2 files changed, 138 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/qcom,q6afe.txt create mode 100644 include/dt-bindings/sound/qcom,q6afe.h
diff --git a/Documentation/devicetree/bindings/sound/qcom,q6afe.txt b/Documentation/devicetree/bindings/sound/qcom,q6afe.txt new file mode 100644 index 000000000000..1e4b82e7747a --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,q6afe.txt @@ -0,0 +1,107 @@ +Qualcomm Audio Front End (Q6AFE) binding + +AFE is one of the APR audio service on Q6DSP +Please refer to qcom,apr.txt for details of the common apr service bindings +used by all apr services. + +- but must contain the following property: + +- compatible: + Usage: required + Value type: <stringlist> + Definition: must be "qcom,afe-v<MAJOR-NUMBER>.<MINOR-NUMBER>" + Or "qcom,afe" where the version number can be queried + from DSP. + example "qcom,afe-v2.0" + += AFE DAIs (Digial Audio Interface) +"dais" subnode of the AFE node represents dai specific configuration + +- #sound-dai-cells + Usage: required + Value type: <prop-encoded-array> + Definition: Must be 1 + +- reg + Usage: required + Value type: <prop-encoded-array> + Definition: Must be dai id + +- interface-type + Usage: required + Value type: <stringlist> + Definition: Must be one of following + "mi2s" + "hdmi" + "pcm" + "slim" + +- qcom,sd-lines + Usage: required for mi2s interface + Value type: <prop-encoded-array> + Definition: Must be list of serial data lines used by this dai. + should be one or more of the 1-4 sd lines. + += EXAMPLE + +q6afe { + compatible = "qcom,q6afe"; + qcom,apr-svc-name = "AFE"; + qcom,apr-svc-id = <APR_SVC_AFE>; + + q6asmdai: dais { + #sound-dai-cells = <1>; + hdmi@1 { + reg = <1>; + interface-type = "hdmi"; + }; + + prim-mi2s-rx@16 { + reg = <16>; + qcom,sd-lines = <1 3>; + interface-type = "mi2s"; + }; + + prim-mi2s-tx@17 { + reg = <17>; + qcom,sd-lines = <2>; + interface-type = "mi2s"; + }; + + sec-mi2s-rx@18 { + reg = <18>; + qcom,sd-lines = <1 4>; + interface-type = "mi2s"; + }; + + sec-mi2s-tx@19 { + reg = <19>; + qcom,sd-lines = <2>; + interface-type = "mi2s"; + }; + + tert-mi2s-rx@20 { + reg = <20>; + qcom,sd-lines = <2 4>; + interface-type = "mi2s"; + }; + + tert-mi2s-tx@21 { + reg = <21>; + qcom,sd-lines = <1>; + interface-type = "mi2s"; + }; + + quat-mi2s-rx@22 { + reg = <22>; + qcom,sd-lines = <1>; + interface-type = "mi2s"; + }; + + quat-mi2s-tx@23 { + reg = <23>; + qcom,sd-lines = <2>; + interface-type = "mi2s"; + }; + }; +}; diff --git a/include/dt-bindings/sound/qcom,q6afe.h b/include/dt-bindings/sound/qcom,q6afe.h new file mode 100644 index 000000000000..3c7868394889 --- /dev/null +++ b/include/dt-bindings/sound/qcom,q6afe.h @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-2.0 +#ifndef __DT_BINDINGS_Q6_AFE_H__ +#define __DT_BINDINGS_Q6_AFE_H__ + +/* Audio Front End (AFE) virtual ports IDs */ +#define HDMI_RX 1 +#define SLIMBUS_0_RX 2 +#define SLIMBUS_0_TX 3 +#define SLIMBUS_1_RX 4 +#define SLIMBUS_1_TX 5 +#define SLIMBUS_2_RX 6 +#define SLIMBUS_2_TX 7 +#define SLIMBUS_3_RX 8 +#define SLIMBUS_3_TX 9 +#define SLIMBUS_4_RX 10 +#define SLIMBUS_4_TX 11 +#define SLIMBUS_5_RX 12 +#define SLIMBUS_5_TX 13 +#define SLIMBUS_6_RX 14 +#define SLIMBUS_6_TX 15 +#define PRIMARY_MI2S_RX 16 +#define PRIMARY_MI2S_TX 17 +#define SECONDARY_MI2S_RX 18 +#define SECONDARY_MI2S_TX 19 +#define TERTIARY_MI2S_RX 20 +#define TERTIARY_MI2S_TX 21 +#define QUATERNARY_MI2S_RX 22 +#define QUATERNARY_MI2S_TX 23 + +#endif /* __DT_BINDINGS_Q6_AFE_H__ */ +