On Wed, Apr 18, 2018 at 04:31:38PM +0100, srinivas.kandagatla@xxxxxxxxxx wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
>
> This patch add DT bindings for AFE (Audio Frontend) DSP module.
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> Reviewed-and-tested-by: Rohit kumar <rohitkr@xxxxxxxxxxxxxx>
> ---
> .../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 queried
> + from 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
>
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