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SubjectRe: [PATCH v7 5/5] dt-bindings: soc: qcom: spm: Document SDM660 and MSM8998 compatibles
On Tue, Jun 22, 2021 at 04:11:17PM +0200, AngeloGioacchino Del Regno wrote:
> The driver was updated to add SAW2 v4.1 support for new SoCs: document
> the new compatibles.

Can't take patches without a S-o-b. Run checkpatch.pl, it points this
out for you.

> ---
> .../bindings/soc/qcom/qcom,spm.yaml | 21 +++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,spm.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,spm.yaml
> index 4aaa319b2932..0faf52700dec 100644
> --- a/Documentation/devicetree/bindings/soc/qcom/qcom,spm.yaml
> +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,spm.yaml
> @@ -17,6 +17,10 @@ description: |
> properties:
> compatible:
> enum:
> + - qcom,sdm660-gold-saw2-v4.1-l2
> + - qcom,sdm660-silver-saw2-v4.1-l2
> + - qcom,msm8998-gold-saw2-v4.1-l2
> + - qcom,msm8998-silver-saw2-v4.1-l2

What's the difference between gold and silver? Are the h/w instances
different (I realize the CPUs are) in some way? How does the OS use the
different compatible strings?

> - qcom,msm8974-saw2-v2.1-cpu
> - qcom,apq8084-saw2-v2.1-cpu
> - qcom,apq8064-saw2-v1.1-cpu
> @@ -33,6 +37,8 @@ additionalProperties: false
>
> examples:
> - |
> +
> + /* Example 1: SoC using SAW2 and kpss-acc-v2 CPUIdle */
> cpus {
> #address-cells = <1>;
> #size-cells = <0>;
> @@ -52,4 +58,19 @@ examples:
> reg = <0xf9089000 0x1000>;
> };
>
> + - |
> +
> + /* Example 2: New-gen multi cluster SoC using SAW only for L2;
> + * This does not require any cpuidle driver, nor any cpu phandle.
> + */
> + power-controller@17812000 {
> + compatible = "qcom,msm8998-gold-saw2-v4.1-l2", "qcom,saw2";
> + reg = <0x17812000 0x1000>;
> + };
> +
> + power-controller@17912000 {
> + compatible = "qcom,msm8998-silver-saw2-v4.1-l2", "qcom,saw2";
> + reg = <0x17912000 0x1000>;
> + };
> +
> ...
> --
> 2.32.0
>
>

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