linux-kernel - Re: [PATCH 1/5] dt-bindings: clock: Add QDU1000 and QRU1000 GCC clock bindings

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Message-ID: <bb241d46-6f90-8604-e79d-30a1f3527ce4@quicinc.com>
Date:   Mon, 3 Oct 2022 13:47:05 -0500
From:   Melody Olvera <quic_molvera@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>
CC:     <linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/5] dt-bindings: clock: Add QDU1000 and QRU1000 GCC clock
 bindings


On 10/1/2022 4:24 AM, Krzysztof Kozlowski wrote:
> On 01/10/2022 05:03, Melody Olvera wrote:
>> Add device tree bindings for global clock controller on QDU1000 and
>> QRU1000 SoCs.
>>
>> Signed-off-by: Melody Olvera <quic_molvera@...cinc.com>
>> ---
>>  .../bindings/clock/qcom,gcc-qdru1000.yaml     |  74 ++++++++
>>  include/dt-bindings/clock/qcom,gcc-qdru1000.h | 170 ++++++++++++++++++
>>  2 files changed, 244 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/clock/qcom,gcc-qdru1000.yaml
>>  create mode 100644 include/dt-bindings/clock/qcom,gcc-qdru1000.h
>>
>> diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-qdru1000.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-qdru1000.yaml
>> new file mode 100644
>> index 000000000000..d92f558d547c
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/clock/qcom,gcc-qdru1000.yaml
>> @@ -0,0 +1,74 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/clock/qcom,gcc-qdru.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm Global Clock & Reset Controller Binding for QDU1000 and QRU1000
> Drop "Binding"

Will do in v2.

>
>> +
>> +maintainers:
>> +  - Melody Olvera <quic_molvera@...cinc.com>
>> +
>> +description: |
>> +  Qualcomm global clock control module which supports the clocks, resets and
>> +  power domains on QDU1000 and QRU1000
>> +
>> +  See also:
>> +  - dt-bindings/clock/qcom,gcc-qdru1000.h
> Full path
Understood.
>
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - qcom,gcc-qdu1000
>> +      - qcom,gcc-qru1000
>> +
>> +  clocks:
>> +    items:
>> +      - description: Board XO source
>> +      - description: Sleep clock source
>> +      - description: PCIE 0 Pipe clock source (Optional clock)
> Skip "Optional clock"
>
>> +      - description: PCIE 0 Phy Auxiliary clock source (Optional clock)
>> +      - description: USB3 Phy wrapper pipe clock source (Optional clock)
>> +    minItems: 2
>> +
>> +  clock-names:
>> +    items:
>> +      - const: bi_tcxo
>> +      - const: sleep_clk
>> +      - const: pcie_0_pipe_clk # Optional clock
> Skip "Optional clock"

Will remove all optional clock instances.

>
>> +      - const: pcie_0_phy_aux_clk # Optional clock
>> +      - const: usb3_phy_wrapper_gcc_usb30_pipe_clk # Optional clock
>> +    minItems: 2
>> +
>> +  '#clock-cells':
>> +    const: 1
>> +
>> +  '#reset-cells':
>> +    const: 1
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - clocks
>> +  - clock-names
>> +  - '#clock-cells'
>> +  - '#reset-cells'
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/clock/qcom,rpmh.h>
>> +    clock-controller@...000 {
>> +      compatible = "qcom,gcc-qdu1000";
>> +      reg = <0x00100000 0x001f4200>;
>> +      clocks = <&rpmhcc RPMH_CXO_CLK>, <&sleep_clk>;
>> +      clock-names = "bi_tcxo", "sleep_clk";
>> +      #clock-cells = <1>;
>> +      #reset-cells = <1>;
>> +    };
>> +
>> +...
>> diff --git a/include/dt-bindings/clock/qcom,gcc-qdru1000.h b/include/dt-bindings/clock/qcom,gcc-qdru1000.h
>> new file mode 100644
>> index 000000000000..cdc5d1a6a007
>> --- /dev/null
>> +++ b/include/dt-bindings/clock/qcom,gcc-qdru1000.h
>> @@ -0,0 +1,170 @@
>> +/* SPDX-License-Identifier: GPL-2.0-only */
> Dual license.
Good catch; will remove.
>
>
> Best regards,
> Krzysztof

Thanks,

Melody