linux-kernel - Re: [PATCH v3 2/3] soc: dt-bindings: add loongson-2 pm

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Date:   Fri, 16 Jun 2023 16:51:04 +0800
From:   zhuyinbo <zhuyinbo@...ngson.cn>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Huacai Chen <chenhuacai@...nel.org>,
        WANG Xuerui <kernel@...0n.name>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Pavel Machek <pavel@....cz>, Marc Zyngier <maz@...nel.org>,
        Arnd Bergmann <arnd@...db.de>, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        loongarch@...ts.linux.dev
Cc:     Jianmin Lv <lvjianmin@...ngson.cn>, wanghongliang@...ngson.cn,
        Liu Peibao <liupeibao@...ngson.cn>,
        loongson-kernel@...ts.loongnix.cn, zhuyinbo@...ngson.cn
Subject: Re: [PATCH v3 2/3] soc: dt-bindings: add loongson-2 pm



在 2023/6/16 下午4:03, Krzysztof Kozlowski 写道:
> On 15/06/2023 11:17, Yinbo Zhu wrote:
>> Add the Loongson-2 SoC Power Management Controller binding with DT
>> schema format using json-schema.
>>
>> Signed-off-by: Yinbo Zhu <zhuyinbo@...ngson.cn>
>> ---
>>   .../soc/loongson/loongson,ls2k-pmc.yaml       | 53 +++++++++++++++++++
>>   MAINTAINERS                                   |  6 +++
>>   2 files changed, 59 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml b/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml
>> new file mode 100644
>> index 000000000000..32499bd10f8c
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml
>> @@ -0,0 +1,53 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/soc/loongson/loongson,ls2k-pmc.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Loongson-2 Power Manager controller
>> +
>> +maintainers:
>> +  - Yinbo Zhu <zhuyinbo@...ngson.cn>
>> +
>> +properties:
>> +  compatible:
>> +    oneOf:
> 
> Drop oneOf, you don't have here many choices.


okay, I got it.

> 
>> +      - items:
>> +          - enum:
>> +              - loongson,ls2k1000-pmc
>> +              - loongson,ls2k0500-pmc
>> +          - const: syscon
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  interrupts:
>> +    maxItems: 1
>> +
>> +  suspend-address:
>> +    $ref: /schemas/types.yaml#/definitions/uint32
>> +    description:
>> +      The "suspend-address" is a deep sleep state (Suspend To RAM)
>> +      firmware entry address which was jumped from kernel and it's
>> +      value was dependent on specific platform firmware code. In
>> +      addition, the PM need according to it to indicate that current
>> +      SoC whether support Suspend To RAM.
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - interrupts
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/interrupt-controller/irq.h>
>> +
>> +    pmc: pm@...27000 {
> 
> Node name: system-controller or power-pamanagement
> 
> With these two:
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>


okay, I will do it.

Thanks,
Yinbo