On Wed, Apr 18, 2018 at 04:31:38PM +0100, srinivas.kandagatla@linaro.org wrote:
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 Reviewed-and-tested-by: Rohit kumar rohitkr@codeaurora.org
.../devicetree/bindings/sound/qcom,q6afe.txt | 88 ++++++++++++++++++++++ include/dt-bindings/sound/qcom,q6afe.h | 31 ++++++++ 2 files changed, 119 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..3925726a3319 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,q6afe.txt @@ -0,0 +1,88 @@ +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 queriedfrom DSP.example "qcom,afe-v2.0"
Doesn't match the APR example.
+= 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>
array?
- Definition: Must be 1
+- reg
- Usage: required
- Value type: <prop-encoded-array>
array or single value?
- Definition: Must be dai id
+- 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";
- reg = <APR_SVC_AFE>;
- dais {
#sound-dai-cells = <1>;hdmi@1 {reg = <1>;};prim-mi2s-rx@16 {reg = <16>;qcom,sd-lines = <1 3>;};prim-mi2s-tx@17 {reg = <17>;qcom,sd-lines = <2>;};sec-mi2s-rx@18 {reg = <18>;qcom,sd-lines = <1 4>;};sec-mi2s-tx@19 {reg = <19>;qcom,sd-lines = <2>;};tert-mi2s-rx@20 {reg = <20>;qcom,sd-lines = <2 4>;};tert-mi2s-tx@21 {reg = <21>;qcom,sd-lines = <1>;};quat-mi2s-rx@22 {reg = <22>;qcom,sd-lines = <1>;};quat-mi2s-tx@23 {reg = <23>;qcom,sd-lines = <2>;};- };
+}; 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__ */
-- 2.16.2