linux-kernel - Re: [PATCH v1 1/2] dt-bindings: clock: Add YAML schemas for LPASS clocks on SC7280

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Message-ID: <20d90f13-9ae5-99e5-eaf8-5a37d87eccda@codeaurora.org>
Date:   Wed, 6 Oct 2021 07:09:03 +0530
From:   Taniya Das <tdas@...eaurora.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        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,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v1 1/2] dt-bindings: clock: Add YAML schemas for LPASS
 clocks on SC7280

Hello Rob,

Thanks for your review.

On 9/1/2021 7:15 AM, Rob Herring wrote:
> On Tue, Aug 31, 2021 at 04:06:41PM +0530, Taniya Das wrote:
>> The LPASS(Low Power Audio Subsystem) clock provider have a bunch of generic
>> properties that are needed in a device tree. Add the LPASS clock IDs for
>> LPASS PIL client to request for the clocks.
>>
>> Signed-off-by: Taniya Das <tdas@...eaurora.org>
>> ---
>>   .../bindings/clock/qcom,sc7280-lpasscc.yaml        | 69 ++++++++++++++++++++++
>>   include/dt-bindings/clock/qcom,lpass-sc7280.h      | 16 +++++
>>   2 files changed, 85 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/clock/qcom,sc7280-lpasscc.yaml
>>   create mode 100644 include/dt-bindings/clock/qcom,lpass-sc7280.h
>>
>> diff --git a/Documentation/devicetree/bindings/clock/qcom,sc7280-lpasscc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc7280-lpasscc.yaml
>> new file mode 100644
>> index 0000000..7b62763
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/clock/qcom,sc7280-lpasscc.yaml
>> @@ -0,0 +1,69 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/clock/qcom,sc7280-lpasscc.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm LPASS Core Clock Controller Binding for SC7280
>> +
>> +maintainers:
>> +  - Taniya Das <tdas@...eaurora.org>
>> +
>> +description: |
>> +  Qualcomm LPASS core clock control module which supports the clocks and
>> +  power domains on SC7280.
>> +
>> +  See also:
>> +  - dt-bindings/clock/qcom,lpass-sc7280.h
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - qcom,sc7280-lpasscc
>> +
>> +  clocks:
>> +    items:
>> +      - description: gcc_cfg_noc_lpass_clk from GCC
>> +
>> +  clock-names:
>> +    items:
>> +      - const: iface
>> +
>> +  '#clock-cells':
>> +    const: 1
>> +
>> +  reg:
>> +    minItems: 3
> 
> Don't need minItems equal to 'items' length.
> 
Next patch will fix this.

>> +    items:
>> +      - description: LPASS qdsp6ss register
>> +      - description: LPASS top-cc register
>> +      - description: LPASS cc register
>> +
>> +  reg-names:
>> +    items:
>> +      - const: qdsp6ss
>> +      - const: top_cc
>> +      - const: cc
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - clocks
>> +  - clock-names
>> +  - '#clock-cells'
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/clock/qcom,gcc-sc7280.h>
>> +    #include <dt-bindings/clock/qcom,lpass-sc7280.h>
>> +    clock-controller@...0000 {
>> +      compatible = "qcom,sc7280-lpasscc";
>> +      reg = <0x03000000 0x40>, <0x03c04000 0x4>, <0x03389000 0x24>;
>> +      reg-names = "qdsp6ss", "top_cc", "cc";
>> +      clocks = <&gcc GCC_CFG_NOC_LPASS_CLK>;
>> +      clock-names = "iface";
>> +      #clock-cells = <1>;
>> +    };
>> +...
>> diff --git a/include/dt-bindings/clock/qcom,lpass-sc7280.h b/include/dt-bindings/clock/qcom,lpass-sc7280.h
>> new file mode 100644
>> index 0000000..a259463
>> --- /dev/null
>> +++ b/include/dt-bindings/clock/qcom,lpass-sc7280.h
>> @@ -0,0 +1,16 @@
>> +/* SPDX-License-Identifier: GPL-2.0 */
> 
> Dual license.
>
Yes, my bad, will fix it in the next patch.

>> +/*
>> + * Copyright (c) 2021, The Linux Foundation. All rights reserved.
>> + */
>> +
>> +#ifndef _DT_BINDINGS_CLK_QCOM_LPASS_SC7280_H
>> +#define _DT_BINDINGS_CLK_QCOM_LPASS_SC7280_H
>> +
>> +#define LPASS_Q6SS_AHBM_CLK				0
>> +#define LPASS_Q6SS_AHBS_CLK				1
>> +#define LPASS_TOP_CC_LPI_Q6_AXIM_HS_CLK			2
>> +#define LPASS_QDSP6SS_XO_CLK				3
>> +#define LPASS_QDSP6SS_SLEEP_CLK				4
>> +#define LPASS_QDSP6SS_CORE_CLK				5
>> +
>> +#endif
>> -- 
>> Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
>> of the Code Aurora Forum, hosted by the  Linux Foundation.
>>
>>

-- 
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation.

--