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Message-ID: <33196eef-b1d5-8dd2-7c59-16a73327e8c0@linaro.org>
Date:   Fri, 30 Dec 2022 11:41:10 +0100
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Subject: Re: [PATCH v3 01/19] dt-bindings: ARM: MediaTek: Add new document
 bindings of MT8188 clock
Content-Language: en-US
To:     "Garmin.Chang" <Garmin.Chang@mediatek.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Richard Cochran <richardcochran@gmail.com>
Cc:     Project_Global_Chrome_Upstream_Group@mediatek.com,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org,
        linux-clk@vger.kernel.org, netdev@vger.kernel.org
References: <20221230073357.18503-1-Garmin.Chang@mediatek.com>
 <20221230073357.18503-2-Garmin.Chang@mediatek.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20221230073357.18503-2-Garmin.Chang@mediatek.com>
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Precedence: bulk

On 30/12/2022 08:33, Garmin.Chang wrote:
> Add the new binding documentation for system clock
> and functional clock on MediaTek MT8188.
> 

Subject: drop second, redundant "document bindings of".

> Signed-off-by: Garmin.Chang <Garmin.Chang@mediatek.com>
> ---
>  .../arm/mediatek/mediatek,mt8188-clock.yaml   |  71 ++
>  .../mediatek/mediatek,mt8188-sys-clock.yaml   |  55 ++
>  .../dt-bindings/clock/mediatek,mt8188-clk.h   | 733 ++++++++++++++++++
>  3 files changed, 859 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8188-clock.yaml
>  create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8188-sys-clock.yaml
>  create mode 100644 include/dt-bindings/clock/mediatek,mt8188-clk.h
> 
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8188-clock.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8188-clock.yaml
> new file mode 100644
> index 000000000000..6654cead71f6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8188-clock.yaml

Clock controllers do not go to arm but to clock. It's so suprising
directory that I missed to notice it in v1... Why putting it in some
totally irrelevant directory?


> @@ -0,0 +1,71 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/mediatek/mediatek,mt8188-clock.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek Functional Clock Controller for MT8188
> +
> +maintainers:
> +  - Garmin Chang <garmin.chang@mediatek.com>
> +
> +description: |
> +  The clock architecture in MediaTek like below
> +  PLLs -->
> +          dividers -->
> +                      muxes
> +                           -->
> +                              clock gate
> +
> +  The devices provide clock gate control in different IP blocks.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - mediatek,mt8188-adsp-audio26m
> +      - mediatek,mt8188-imp-iic-wrap-c
> +      - mediatek,mt8188-imp-iic-wrap-en
> +      - mediatek,mt8188-imp-iic-wrap-w
> +      - mediatek,mt8188-mfgcfg
> +      - mediatek,mt8188-vppsys0
> +      - mediatek,mt8188-wpesys
> +      - mediatek,mt8188-wpesys-vpp0
> +      - mediatek,mt8188-vppsys1
> +      - mediatek,mt8188-imgsys
> +      - mediatek,mt8188-imgsys-wpe1
> +      - mediatek,mt8188-imgsys-wpe2
> +      - mediatek,mt8188-imgsys-wpe3
> +      - mediatek,mt8188-imgsys1-dip-top
> +      - mediatek,mt8188-imgsys1-dip-nr
> +      - mediatek,mt8188-ipesys
> +      - mediatek,mt8188-camsys
> +      - mediatek,mt8188-camsys-rawa
> +      - mediatek,mt8188-camsys-yuva
> +      - mediatek,mt8188-camsys-rawb
> +      - mediatek,mt8188-camsys-yuvb
> +      - mediatek,mt8188-ccusys
> +      - mediatek,mt8188-vdecsys-soc
> +      - mediatek,mt8188-vdecsys
> +      - mediatek,mt8188-vencsys
> +
> +  reg:
> +    maxItems: 1
> +
> +  '#clock-cells':
> +    const: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - '#clock-cells'
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    clock-controller@11283000 {
> +        compatible = "mediatek,mt8188-imp-iic-wrap-c";
> +        reg = <0x11283000 0x1000>;
> +        #clock-cells = <1>;
> +    };
> +
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8188-sys-clock.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8188-sys-clock.yaml
> new file mode 100644
> index 000000000000..2b28df1ff895
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8188-sys-clock.yaml

Wrong directory.

> @@ -0,0 +1,55 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/mediatek/mediatek,mt8188-sys-clock.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek System Clock Controller for MT8188
> +
> +maintainers:
> +  - Garmin Chang <garmin.chang@mediatek.com>
> +
> +description: |
> +  The clock architecture in MediaTek like below
> +  PLLs -->
> +          dividers -->
> +                      muxes
> +                           -->
> +                              clock gate
> +
> +  The apmixedsys provides most of PLLs which generated from SoC 26m.
> +  The topckgen provides dividers and muxes which provide the clock source to other IP blocks.
> +  The infracfg_ao provides clock gate in peripheral and infrastructure IP blocks.
> +  The mcusys provides mux control to select the clock source in AP MCU.
> +  The device nodes also provide the system control capacity for configuration.
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - mediatek,mt8188-topckgen
> +          - mediatek,mt8188-infracfg-ao
> +          - mediatek,mt8188-apmixedsys
> +          - mediatek,mt8188-pericfg-ao
> +      - const: syscon
> +
> +  reg:
> +    maxItems: 1
> +
> +  '#clock-cells':
> +    const: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - '#clock-cells'
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    syscon@10000000 {

clock-controller

> +        compatible = "mediatek,mt8188-topckgen", "syscon";
> +        reg = <0x10000000 0x1000>;
> +        #clock-cells = <1>;


Best regards,
Krzysztof