linux-kernel - Re: [PATCH v3 1/3] dt-bindings: clock: Add YAML schemas for the QCOM MSS clock bindings

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Date:   Thu, 30 Jan 2020 10:06:36 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     Michael Turquette <mturquette@...libre.com>,
        Taniya Das <tdas@...eaurora.org>
Cc:     David Brown <david.brown@...aro.org>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andy Gross <agross@...nel.org>, devicetree@...r.kernel.org,
        robh@...nel.org, robh+dt@...nel.org,
        Taniya Das <tdas@...eaurora.org>
Subject: Re: [PATCH v3 1/3] dt-bindings: clock: Add YAML schemas for the QCOM MSS clock bindings

Quoting Taniya Das (2020-01-29 20:18:41)
> The Modem Subsystem clock provider have a bunch of generic properties
> that are needed in a device tree. Add a YAML schemas for those.
> 
> Signed-off-by: Taniya Das <tdas@...eaurora.org>
> ---
>  .../devicetree/bindings/clock/qcom,mss.yaml        | 58 ++++++++++++++++++++++

Please rename to qcom,sc7180-mss.yaml

>  1 file changed, 58 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/qcom,mss.yaml
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,mss.yaml b/Documentation/devicetree/bindings/clock/qcom,mss.yaml
> new file mode 100644
> index 0000000..ebb04e1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,mss.yaml
> @@ -0,0 +1,58 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/bindings/clock/qcom,mss.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Modem Clock Controller Binding
> +
> +maintainers:
> +  - Taniya Das <tdas@...eaurora.org>
> +
> +description: |
> +  Qualcomm modem clock control module which supports the clocks.

Can you point to the header file from here?
include/dt-bindings/clock/qcom,sc7180-mss.h I guess.

> +
> +properties:
> +  compatible:
> +    enum:
> +       - qcom,sc7180-mss
> +
> +  clocks:
> +    minItems: 1
> +    maxItems: 3

Why is it optional? Don't these all go there?

> +    items:
> +      - description: gcc_mss_mfab_axi clock from GCC
> +      - description: gcc_mss_nav_axi clock from GCC
> +      - description: gcc_mss_cfg_ahb clock from GCC
> +
> +  clock-names:
> +    items:
> +      - const: gcc_mss_mfab_axis_clk
> +      - const: gcc_mss_nav_axi_clk
> +      - const: cfg_clk

Do these really need _clk at the end? Seems redundant.

> +
> +  '#clock-cells':
> +    const: 1
> +