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SubjectRe: [PATCH v6 06/24] ASoC: qdsp6: dt-bindings: Add q6asm dt bindings
On Thu, Apr 26, 2018 at 10:45:48AM +0100, srinivas.kandagatla@linaro.org wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
>
> This patch add DT bindings for ASM (Audio Stream Manager) DSP module.
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> Reviewed-and-tested-by: Rohit kumar <rohitkr@codeaurora.org>
> ---
> .../devicetree/bindings/sound/qcom,q6asm.txt | 33 ++++++++++++++++++++++
> include/dt-bindings/sound/qcom,q6asm.h | 22 +++++++++++++++
> 2 files changed, 55 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/sound/qcom,q6asm.txt
> create mode 100644 include/dt-bindings/sound/qcom,q6asm.h
>
> diff --git a/Documentation/devicetree/bindings/sound/qcom,q6asm.txt b/Documentation/devicetree/bindings/sound/qcom,q6asm.txt
> new file mode 100644
> index 000000000000..2178eb91146f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/qcom,q6asm.txt
> @@ -0,0 +1,33 @@
> +Qualcomm Audio Stream Manager (Q6ASM) binding
> +
> +Q6ASM 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 the apr service device.
> +
> +- but must contain the following property:
> +
> +- compatible:
> + Usage: required
> + Value type: <stringlist>
> + Definition: must be "qcom,q6asm-v<MAJOR-NUMBER>.<MINOR-NUMBER>".
> + Or "qcom,q6asm" where the version number can be queried
> + from DSP.
> + example "qcom,q6asm-v2.0"
> +
> += ASM DAIs (Digial Audio Interface)
> +"dais" subnode of the ASM node represents dai specific configuration
> +
> +- #sound-dai-cells
> + Usage: required
> + Value type: <u32>
> + Definition: Must be 1
> +
> += EXAMPLE
> +
> +q6asm@7 {
> + compatible = "qcom,q6asm";
> + reg = <APR_SVC_ASM>;
> + q6asmdai: dais {
> + #sound-dai-cells = <1>;
> + };
> +};
> diff --git a/include/dt-bindings/sound/qcom,q6asm.h b/include/dt-bindings/sound/qcom,q6asm.h
> new file mode 100644
> index 000000000000..1eb77d87c2e8
> --- /dev/null
> +++ b/include/dt-bindings/sound/qcom,q6asm.h
> @@ -0,0 +1,22 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +#ifndef __DT_BINDINGS_Q6_ASM_H__
> +#define __DT_BINDINGS_Q6_ASM_H__
> +
> +#define MSM_FRONTEND_DAI_MULTIMEDIA1 0
> +#define MSM_FRONTEND_DAI_MULTIMEDIA2 1
> +#define MSM_FRONTEND_DAI_MULTIMEDIA3 2
> +#define MSM_FRONTEND_DAI_MULTIMEDIA4 3
> +#define MSM_FRONTEND_DAI_MULTIMEDIA5 4
> +#define MSM_FRONTEND_DAI_MULTIMEDIA6 5
> +#define MSM_FRONTEND_DAI_MULTIMEDIA7 6
> +#define MSM_FRONTEND_DAI_MULTIMEDIA8 7
> +#define MSM_FRONTEND_DAI_MULTIMEDIA9 8
> +#define MSM_FRONTEND_DAI_MULTIMEDIA10 9
> +#define MSM_FRONTEND_DAI_MULTIMEDIA11 10
> +#define MSM_FRONTEND_DAI_MULTIMEDIA12 11
> +#define MSM_FRONTEND_DAI_MULTIMEDIA13 12
> +#define MSM_FRONTEND_DAI_MULTIMEDIA14 13
> +#define MSM_FRONTEND_DAI_MULTIMEDIA15 14
> +#define MSM_FRONTEND_DAI_MULTIMEDIA16 15

Do you plan to add more? I find the defines here fairly pointless.
Nothing says cell values need to be 0 based, so you could just use 1-16
directly.

In any case,

Reviewed-by: Rob Herring <robh@kernel.org>

Rob

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