linux-kernel - Re: [PATCH v4 12/20] dt-bindings: arm: hisilicon: convert hisilicon,hi3798cv200-perictrl bindings to json-schema

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Message-ID: <2d382466-5b91-7b43-2d12-8f7ceafe3691@huawei.com>
Date:   Tue, 29 Sep 2020 21:25:31 +0800
From:   "Leizhen (ThunderTown)" <thunder.leizhen@...wei.com>
To:     Rob Herring <robh@...nel.org>
CC:     devicetree <devicetree@...r.kernel.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Wei Xu <xuwei5@...ilicon.com>, Libin <huawei.libin@...wei.com>,
        "Jonathan Cameron" <Jonathan.Cameron@...wei.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v4 12/20] dt-bindings: arm: hisilicon: convert
 hisilicon,hi3798cv200-perictrl bindings to json-schema

On 2020/9/29 17:21, Leizhen (ThunderTown) wrote:
> 
> 
> On 2020/9/29 11:18, Leizhen (ThunderTown) wrote:
>>
>>
>> On 2020/9/29 3:14, Rob Herring wrote:
>>> On Mon, Sep 28, 2020 at 11:13:16PM +0800, Zhen Lei wrote:
>>>> Convert the Hisilicon Hi3798CV200 Peripheral Controller binding to DT
>>>> schema format using json-schema.
>>>>
>>>> Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
>>>> ---
>>>>  .../controller/hisilicon,hi3798cv200-perictrl.txt  | 21 ----------
>>>>  .../controller/hisilicon,hi3798cv200-perictrl.yaml | 45 ++++++++++++++++++++++
>>>>  2 files changed, 45 insertions(+), 21 deletions(-)
>>>>  delete mode 100644 Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hi3798cv200-perictrl.txt
>>>>  create mode 100644 Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hi3798cv200-perictrl.yaml
>>>>
>>>> diff --git a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hi3798cv200-perictrl.txt b/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hi3798cv200-perictrl.txt
>>>> deleted file mode 100644
>>>> index 0d5282f4670658d..000000000000000
>>>> --- a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hi3798cv200-perictrl.txt
>>>> +++ /dev/null
>>>> @@ -1,21 +0,0 @@
>>>> -Hisilicon Hi3798CV200 Peripheral Controller
>>>> -
>>>> -The Hi3798CV200 Peripheral Controller controls peripherals, queries
>>>> -their status, and configures some functions of peripherals.
>>>> -
>>>> -Required properties:
>>>> -- compatible: Should contain "hisilicon,hi3798cv200-perictrl", "syscon"
>>>> -  and "simple-mfd".
>>>> -- reg: Register address and size of Peripheral Controller.
>>>> -- #address-cells: Should be 1.
>>>> -- #size-cells: Should be 1.
>>>> -
>>>> -Examples:
>>>> -
>>>> -	perictrl: peripheral-controller@...0000 {
>>>> -		compatible = "hisilicon,hi3798cv200-perictrl", "syscon",
>>>> -			     "simple-mfd";
>>>> -		reg = <0x8a20000 0x1000>;
>>>> -		#address-cells = <1>;
>>>> -		#size-cells = <1>;
>>>> -	};
>>>> diff --git a/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hi3798cv200-perictrl.yaml b/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hi3798cv200-perictrl.yaml
>>>> new file mode 100644
>>>> index 000000000000000..4e547017e368393
>>>> --- /dev/null
>>>> +++ b/Documentation/devicetree/bindings/arm/hisilicon/controller/hisilicon,hi3798cv200-perictrl.yaml
>>>> @@ -0,0 +1,45 @@
>>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>>> +%YAML 1.2
>>>> +---
>>>> +$id: http://devicetree.org/schemas/arm/hisilicon/controller/hisilicon,hi3798cv200-perictrl.yaml#
>>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>>> +
>>>> +title: Hisilicon Hi3798CV200 Peripheral Controller
>>>> +
>>>> +maintainers:
>>>> +  - Wei Xu <xuwei5@...ilicon.com>
>>>> +
>>>> +description: |
>>>> +  The Hi3798CV200 Peripheral Controller controls peripherals, queries
>>>> +  their status, and configures some functions of peripherals.
>>>> +
>>>> +properties:
>>>> +  compatible:
>>>> +    items:
>>>> +      - const: hisilicon,hi3798cv200-perictrl
>>>> +      - const: syscon
>>>> +      - const: simple-mfd
>>>> +
>>>> +  reg:
>>>> +    description: Register address and size
>>>> +    maxItems: 1
>>>> +
>>>> +  '#address-cells':
>>>> +    const: 1
>>>> +
>>>> +  '#size-cells':
>>>> +    const: 1
>>>
>>> That implies child nodes. You need some sort of schema for them.
>>
>> OK, I will drop #address-cells and #size-cells in this binding.
> 
> I think I misunderstood. I shoud describe child nodes here.
> 
> It's National Day the day after tomorrow, total eight days off. It's so hurry.
> I'll give up this patch! And do it for v5.11

I searched the dtsi, these two properties are required by property "ranges", so
I will add it.

> 
">>
>>>
>>>> +
>>>> +required:
>>>> +  - compatible
>>>> +  - reg
>>>> +
>>>> +examples:
>>>> +  - |
>>>> +    perictrl: peripheral-controller@...0000 {
>>>> +        compatible = "hisilicon,hi3798cv200-perictrl", "syscon", "simple-mfd";
>>>> +        reg = <0x8a20000 0x1000>;
>>>> +        #address-cells = <1>;
>>>> +        #size-cells = <1>;
>>>> +    };
>>>> +...
>>>> -- 
>>>> 1.8.3
>>>>
>>>>
>>>
>>> .
>>>
>>
>>
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>> linux-arm-kernel@...ts.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>>
>> .
>>
> 
> 
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> 
> .
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