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

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Date:   Fri, 16 Jun 2023 10:03:51 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Yinbo Zhu <zhuyinbo@...ngson.cn>, 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
Subject: Re: [PATCH v3 2/3] soc: dt-bindings: add loongson-2 pm

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.

> +      - 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>

Best regards,
Krzysztof