linux-kernel - Re: [PATCH V3 4/9] dt-bindings: clock: Add Qualcomm IPQ5332 GCC

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Date:   Mon, 6 Feb 2023 11:52:06 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Kathiravan T <quic_kathirav@...cinc.com>,
        krzysztof.kozlowski@...aro.org, agross@...nel.org,
        andersson@...nel.org, konrad.dybcio@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, mturquette@...libre.com,
        sboyd@...nel.org, linus.walleij@...aro.org,
        catalin.marinas@....com, will@...nel.org, shawnguo@...nel.org,
        arnd@...db.de, marcel.ziswiler@...adex.com,
        nfraprado@...labora.com, robimarko@...il.com,
        quic_gurus@...cinc.com, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     quic_varada@...cinc.com, quic_srichara@...cinc.com
Subject: Re: [PATCH V3 4/9] dt-bindings: clock: Add Qualcomm IPQ5332 GCC

On 06/02/2023 09:12, Kathiravan T wrote:
> Add binding for the Qualcomm IPQ5332 Global Clock Controller.
> 
> Signed-off-by: Kathiravan T <quic_kathirav@...cinc.com>
> ---
> Changes in V3:
> 	- Actually I missed to remove the clocks in V2 which are supposed to
> 	  be removed. In V3 I have removed those and they are
> 	  GCC_APSS_AHB_CLK, GCC_APSS_AHB_CLK_SRC, GCC_APSS_AXI_CLK
> 	- For the same, didn't add the Reviewed-By tags from Stephen and
> 	  Krzysztof
> 
> Changes in V2:
> 	- property 'clocks' is marked required
> 	- Renamed the include file name to match with compatible
> 
>   .../bindings/clock/qcom,ipq5332-gcc.yaml      |  61 +++
>   include/dt-bindings/clock/qcom,ipq5332-gcc.h  | 356 ++++++++++++++++++
>   2 files changed, 417 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/clock/qcom,ipq5332-gcc.yaml
>   create mode 100644 include/dt-bindings/clock/qcom,ipq5332-gcc.h
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,ipq5332-gcc.yaml b/Documentation/devicetree/bindings/clock/qcom,ipq5332-gcc.yaml
> new file mode 100644
> index 000000000000..961311af400c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,ipq5332-gcc.yaml
> @@ -0,0 +1,61 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,ipq5332-gcc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Global Clock & Reset Controller on IPQ5332
> +
> +maintainers:
> +  - Stephen Boyd <sboyd@...nel.org>
> +
> +description: |
> +  Qualcomm global clock control module provides the clocks, resets and power
> +  domains on IPQ5332.
> +
> +  See also:: include/dt-bindings/clock/qcom,gcc-ipq5332.h
> +
> +allOf:
> +  - $ref: qcom,gcc.yaml#
> +
> +properties:
> +  compatible:
> +    const: qcom,ipq5332-gcc
> +
> +  clocks:
> +    items:
> +      - description: Board XO clock source
> +      - description: Sleep clock source
> +      - description: PCIE 2lane PHY pipe clock source
> +      - description: PCIE 2lane x1 PHY pipe clock source (For second lane)
> +      - description: USB PCIE wrapper pipe clock source
> +
> +  clock-names:
> +    items:
> +      - const: xo
> +      - const: sleep_clk
> +      - const: pcie_2lane_phy_pipe_clk
> +      - const: pcie_2lane_phy_pipe_clk_x1
> +      - const: usb_pcie_wrapper_pipe_clk

pcie3x1_0_pipe_clk_src, pcie3x1_1_pipe_clk_src, pcie3x2_pipe_clk_src 
usb0_pipe_clk_src are missing.

> +
> +required:
> +  - compatible
> +  - clocks
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    clock-controller@...0000 {
> +      compatible = "qcom,ipq5332-gcc";
> +      reg = <0x01800000 0x80000>;
> +      clocks = <&xo_board>,
> +               <&sleep_clk>,
> +               <&pcie_2lane_phy_pipe_clk>,
> +               <&pcie_2lane_phy_pipe_clk_x1>,
> +               <&usb_pcie_wrapper_pipe_clk>;
> +      #clock-cells = <1>;
> +      #power-domain-cells = <1>;
> +      #reset-cells = <1>;
> +    };
> +...

-- 
With best wishes
Dmitry