linux-kernel - Re: [PATCH v6 01/22] dt-bindings: ARM: Mediatek: Add new document bindings of imp i2c wrapper controller

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Date:   Wed, 10 Feb 2021 13:19:19 +0100
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Weiyi Lu <weiyi.lu@...iatek.com>, Rob Herring <robh@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Nicolas Boichat <drinkcat@...omium.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-clk@...r.kernel.org,
        srv_heupstream@...iatek.com,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v6 01/22] dt-bindings: ARM: Mediatek: Add new document
 bindings of imp i2c wrapper controller



On 22/12/2020 14:09, Weiyi Lu wrote:
> This patch adds the new binding documentation of imp i2c wrapper controller
> for Mediatek MT8192.

The wrapper controller has only clock parts, or are the clock register mapped
into the i2c wrapper block. In that case we might want to probe the clock driver
through the i2c wrapper driver.

Regards,
Matthias

> 
> Signed-off-by: Weiyi Lu <weiyi.lu@...iatek.com>
> ---
>  .../arm/mediatek/mediatek,imp_iic_wrap.yaml        | 78 ++++++++++++++++++++++
>  1 file changed, 78 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,imp_iic_wrap.yaml
> 
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,imp_iic_wrap.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,imp_iic_wrap.yaml
> new file mode 100644
> index 0000000..5d0cf37
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,imp_iic_wrap.yaml
> @@ -0,0 +1,78 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/mediatek/mediatek,imp_iic_wrap.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek IMP I2C Wrapper Controller
> +
> +maintainers:
> +  - Weiyi Lu <weiyi.lu@...iatek.com>
> +
> +description:
> +  The Mediatek imp i2c wrapper controller provides functional configurations and clocks to the system.
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - mediatek,mt8192-imp_iic_wrap_c
> +          - mediatek,mt8192-imp_iic_wrap_e
> +          - mediatek,mt8192-imp_iic_wrap_s
> +          - mediatek,mt8192-imp_iic_wrap_ws
> +          - mediatek,mt8192-imp_iic_wrap_w
> +          - mediatek,mt8192-imp_iic_wrap_n
> +      - const: syscon
> +
> +  reg:
> +    maxItems: 1
> +
> +  '#clock-cells':
> +    const: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +examples:
> +  - |
> +    imp_iic_wrap_c: syscon@...07000 {
> +        compatible = "mediatek,mt8192-imp_iic_wrap_c", "syscon";
> +        reg = <0 0x11007000 0 0x1000>;
> +        #clock-cells = <1>;
> +    };
> +
> +  - |
> +    imp_iic_wrap_e: syscon@...b1000 {
> +        compatible = "mediatek,mt8192-imp_iic_wrap_e", "syscon";
> +        reg = <0 0x11cb1000 0 0x1000>;
> +        #clock-cells = <1>;
> +    };
> +
> +  - |
> +    imp_iic_wrap_s: syscon@...03000 {
> +        compatible = "mediatek,mt8192-imp_iic_wrap_s", "syscon";
> +        reg = <0 0x11d03000 0 0x1000>;
> +        #clock-cells = <1>;
> +    };
> +
> +  - |
> +    imp_iic_wrap_ws: syscon@...23000 {
> +        compatible = "mediatek,mt8192-imp_iic_wrap_ws", "syscon";
> +        reg = <0 0x11d23000 0 0x1000>;
> +        #clock-cells = <1>;
> +    };
> +
> +  - |
> +    imp_iic_wrap_w: syscon@...01000 {
> +        compatible = "mediatek,mt8192-imp_iic_wrap_w", "syscon";
> +        reg = <0 0x11e01000 0 0x1000>;
> +        #clock-cells = <1>;
> +    };
> +
> +  - |
> +    imp_iic_wrap_n: syscon@...02000 {
> +        compatible = "mediatek,mt8192-imp_iic_wrap_n", "syscon";
> +        reg = <0 0x11f02000 0 0x1000>;
> +        #clock-cells = <1>;
> +    };
>