linux-kernel - Re: [PATCH v4 1/6] dt-bindings: clock: meson: add A1 PLL clock controller bindings

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Date:   Fri, 13 Dec 2019 17:35:20 +0800
From:   Jian Hu <jian.hu@...ogic.com>
To:     Jerome Brunet <jbrunet@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>
CC:     Kevin Hilman <khilman@...libre.com>, Rob Herring <robh@...nel.org>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Qiufang Dai <qiufang.dai@...ogic.com>,
        Jianxin Pan <jianxin.pan@...ogic.com>,
        Victor Wan <victor.wan@...ogic.com>,
        Chandle Zou <chandle.zou@...ogic.com>,
        <linux-clk@...r.kernel.org>, <linux-amlogic@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH v4 1/6] dt-bindings: clock: meson: add A1 PLL clock
 controller bindings



On 2019/12/12 17:57, Jerome Brunet wrote:
> 
> On Fri 06 Dec 2019 at 08:40, Jian Hu <jian.hu@...ogic.com> wrote:
> 
>> Add the documentation to support Amlogic A1 PLL clock driver,
>> and add A1 PLL clock controller bindings.
>>
>> Signed-off-by: Jian Hu <jian.hu@...ogic.com>
>> ---
>>   .../bindings/clock/amlogic,a1-pll-clkc.yaml   | 59 +++++++++++++++++++
>>   include/dt-bindings/clock/a1-pll-clkc.h       | 16 +++++
>>   2 files changed, 75 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
>>   create mode 100644 include/dt-bindings/clock/a1-pll-clkc.h
>>
>> diff --git a/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml b/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
>> new file mode 100644
>> index 000000000000..7feeef5abf1b
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
>> @@ -0,0 +1,59 @@
>> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
> 
> Rob commented on the above in v1 and it remains unaddressedOK, I will fix it in the next version.
> 
>> +/*
>> + * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
>> + */
>> +%YAML 1.2
>> +---
>> +$id: "http://devicetree.org/schemas/clock/amlogic,a1-pll-clkc.yaml#"
>> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
>> +
>> +title: Amlogic Meson A/C serials PLL Clock Control Unit Device Tree Bindings
>> +
>> +maintainers:
>> +  - Neil Armstrong <narmstrong@...libre.com>
>> +  - Jerome Brunet <jbrunet@...libre.com>
>> +  - Jian Hu <jian.hu@...n.hu.com>
>> +
>> +properties:
>> +  compatible:
>> +    - enum:
>> +        - amlogic,a1-pll-clkc
>> +  "#clock-cells":
>> +    const: 1
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +clocks:
>> +  minItems: 2
>> +  maxItems: 2
>> +  items:
>> +   - description: Input xtal_fixpll
>> +   - description: Input xtal_hifipll
>> +
>> +clock-names:
>> +  minItems: 2
>> +  maxItems: 2
>> +  items:
>> +     - const: xtal_fixpll
>> +     - const: xtal_hifipll
>> +
>> +required:
>> +  - compatible
>> +  - "#clock-cells"
>> +  - reg
>> +  - clocks
>> +  - clock-names
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    clkc_pll: pll-clock-controller@...0 {
>> +                compatible = "amlogic,a1-pll-clkc";
>> +                reg = <0 0x7c80 0 0x18c>;
>> +                #clock-cells = <1>;
>> +                clocks = <&clkc_periphs CLKID_XTAL_FIXPLL>,
>> +                         <&clkc_periphs CLKID_XTAL_HIFIPLL>;
>> +                clock-names = "xtal_fixpll", "xtal_hifipll";
>> +    };
>> diff --git a/include/dt-bindings/clock/a1-pll-clkc.h b/include/dt-bindings/clock/a1-pll-clkc.h
>> new file mode 100644
>> index 000000000000..58eae237e503
>> --- /dev/null
>> +++ b/include/dt-bindings/clock/a1-pll-clkc.h
>> @@ -0,0 +1,16 @@
>> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
>> +/*
>> + * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
>> + */
>> +
>> +#ifndef __A1_PLL_CLKC_H
>> +#define __A1_PLL_CLKC_H
>> +
>> +#define CLKID_FIXED_PLL				1
>> +#define CLKID_FCLK_DIV2				6
>> +#define CLKID_FCLK_DIV3				7
>> +#define CLKID_FCLK_DIV5				8
>> +#define CLKID_FCLK_DIV7				9
>> +#define CLKID_HIFI_PLL				10
>> +
>> +#endif /* __A1_PLL_CLKC_H */
> 
> .
>