linux-kernel - Re: [PATCH v3 06/21] dt-bindings: power: mediatek: Add bindings for MediaTek SCPSYS

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Message-ID: <YtgDu70Lpl/uPOkf@google.com>
Date:   Wed, 20 Jul 2022 14:31:39 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Tinghan Shen <tinghan.shen@...iatek.com>
Cc:     Yong Wu <yong.wu@...iatek.com>, Joerg Roedel <joro@...tes.org>,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        MandyJH Liu <mandyjh.liu@...iatek.com>, iommu@...ts.linux.dev,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v3 06/21] dt-bindings: power: mediatek: Add bindings for
 MediaTek SCPSYS

On Wed, 20 Jul 2022, Tinghan Shen wrote:

> The System Control Processor System (SCPSYS) has several power
> management related tasks in the system. Add the bindings for it.
> 
> Signed-off-by: Tinghan Shen <tinghan.shen@...iatek.com>

Why have you ignored my review comments from v2?

> ---
>  .../bindings/mfd/mediatek,mt8195-scpsys.yaml  | 68 +++++++++++++++++++
>  1 file changed, 68 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/mediatek,mt8195-scpsys.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mfd/mediatek,mt8195-scpsys.yaml b/Documentation/devicetree/bindings/mfd/mediatek,mt8195-scpsys.yaml
> new file mode 100644
> index 000000000000..4117a6dbc19c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/mediatek,mt8195-scpsys.yaml
> @@ -0,0 +1,68 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/mediatek,mt8195-scpsys.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek System Control Processor System
> +
> +maintainers:
> +  - MandyJH Liu <mandyjh.liu@...iatek.com>
> +
> +description:
> +  MediaTek System Control Processor System (SCPSYS) has several
> +  power management tasks. The tasks include MTCMOS power
> +  domain control, thermal measurement, DVFS, etc.
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - mediatek,mt8167-scpsys
> +          - mediatek,mt8173-scpsys
> +          - mediatek,mt8183-scpsys
> +          - mediatek,mt8192-scpsys
> +          - mediatek,mt8195-scpsys
> +      - const: syscon
> +      - const: simple-mfd
> +
> +  reg:
> +    maxItems: 1
> +
> +patternProperties:
> +  "^power-controller(@[0-9a-f]+)?$":
> +    $ref: /schemas/power/mediatek,power-controller.yaml#
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/mt8195-clk.h>
> +    #include <dt-bindings/power/mt8195-power.h>
> +
> +    syscon@...06000 {
> +        compatible = "mediatek,mt8195-scpsys", "syscon", "simple-mfd";
> +        reg = <0x10006000 0x100>;
> +
> +        spm: power-controller {
> +            compatible = "mediatek,mt8195-power-controller";
> +            #address-cells = <1>;
> +            #size-cells = <0>;
> +            #power-domain-cells = <1>;
> +
> +            /* sample of power domain nodes */
> +            power-domain@...195_POWER_DOMAIN_PCIE_PHY {
> +                    reg = <MT8195_POWER_DOMAIN_PCIE_PHY>;
> +                    #power-domain-cells = <0>;
> +            };
> +
> +            power-domain@...195_POWER_DOMAIN_SSUSB_PCIE_PHY {
> +                    reg = <MT8195_POWER_DOMAIN_SSUSB_PCIE_PHY>;
> +                    #power-domain-cells = <0>;
> +            };
> +        };
> +    };

-- 
Lee Jones [李琼斯]
Principal Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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