Re: [PATCH v2 2/6] dt-bindings: clock: Add YAML schemas for LPASS AUDIOCC and reset on SC8280XP

From: Johan Hovold
Date: Fri May 26 2023 - 08:08:31 EST


On Thu, May 25, 2023 at 01:29:26PM +0100, Srinivas Kandagatla wrote:
> The LPASS (Low Power Audio Subsystem) Audio clock controller provides reset
> support when it is under the control of Q6DSP.
>
> Add support for those resets and adds IDs for clients to request the reset.
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> ---
> .../bindings/clock/qcom,sc8280xp-lpasscc.yaml | 11 +++++++++++
> include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h | 5 +++++
> 2 files changed, 16 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml
> index 08a9ae60a365..0557e74d3c3b 100644
> --- a/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml
> +++ b/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml
> @@ -21,6 +21,7 @@ properties:
>
> compatible:
> enum:
> + - qcom,sc8280xp-lpassaudiocc
> - qcom,sc8280xp-lpasscc
>
> qcom,adsp-pil-mode:
> @@ -45,6 +46,16 @@ required:
> additionalProperties: false
>
> examples:
> + - |
> + #include <dt-bindings/clock/qcom,lpasscc-sc8280xp.h>
> + lpass_audiocc: clock-controller@32a9000 {
> + compatible = "qcom,sc8280xp-lpassaudiocc";
> + reg = <0x032a9000 0x1000>;
> + qcom,adsp-pil-mode;
> + #reset-cells = <1>;
> + #clock-cells = <1>;

Nit: #clock before #reset

> + };
> +
> - |
> #include <dt-bindings/clock/qcom,lpasscc-sc8280xp.h>
> lpasscc: clock-controller@33e0000 {
> diff --git a/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h b/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h
> index df800ea2741c..d190d57fc81a 100644
> --- a/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h
> +++ b/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h
> @@ -6,6 +6,11 @@
> #ifndef _DT_BINDINGS_CLK_QCOM_LPASSCC_SC8280XP_H
> #define _DT_BINDINGS_CLK_QCOM_LPASSCC_SC8280XP_H
>
> +/* LPASS AUDIO CC CSR */
> +#define LPASS_AUDIO_SWR_RX_CGCR 0
> +#define LPASS_AUDIO_SWR_WSA_CGCR 1
> +#define LPASS_AUDIO_SWR_WSA2_CGCR 2
> +
> /* LPASS TCSR */
> #define LPASS_AUDIO_SWR_TX_CGCR 0

Should you have different prefixes for the CSR and TCSR defines?

Looks good to me otherwise:

Reviewed-by: Johan Hovold <johan+linaro@xxxxxxxxxx>