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Date:   Fri, 23 Oct 2020 14:05:38 +0530
From:   Viresh Kumar <viresh.kumar@linaro.org>
To:     Hector Yuan <hector.yuan@mediatek.com>
Cc:     linux-mediatek@lists.infradead.org,
        linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org,
        Rob Herring <robh+dt@kernel.org>,
        "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        Maxime Ripard <mripard@kernel.org>,
        Santosh Shilimkar <ssantosh@kernel.org>,
        Amit Kucheria <amit.kucheria@linaro.org>,
        Stephen Boyd <sboyd@kernel.org>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        Dave Gerlach <d-gerlach@ti.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Robin Murphy <robin.murphy@arm.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        wsd_upstream@mediatek.com
Subject: Re: [PATCH v1 3/6] dt-bindings: cpufreq: add bindings for MediaTek
 cpufreq HW
Message-ID: <20201023083538.f6hhcyizvlf2ufjr@vireshk-i7>
References: <1603441493-18554-1-git-send-email-hector.yuan@mediatek.com>
 <1603441493-18554-4-git-send-email-hector.yuan@mediatek.com>
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On 23-10-20, 16:24, Hector Yuan wrote:
> From: "Hector.Yuan" <hector.yuan@mediatek.com>
> 
> Add devicetree bindings for MediaTek HW driver.
> 
> Signed-off-by: Hector.Yuan <hector.yuan@mediatek.com>
> ---
>  .../bindings/cpufreq/cpufreq-mediatek-hw.yaml      |   46 ++++++++++++++++++++
>  1 file changed, 46 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml
> 
> diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml b/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml
> new file mode 100644
> index 0000000..a99f44f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml
> @@ -0,0 +1,46 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/cpufreq/cpufreq-mediatek-hw.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek's CPUFREQ Bindings
> +
> +maintainers:
> +  - Hector Yuan <hector.yuan@mediatek.com>
> +
> +description:
> +  CPUFREQ HW is a hardware engine used by MediaTek
> +  SoCs to manage frequency in hardware. It is capable of controlling frequency
> +  for multiple clusters.
> +
> +properties:
> +  compatible:
> +    const: mediatek,cpufreq-hw
> +
> +  reg:
> +    minItems: 1
> +    maxItems: 2
> +    description: |
> +      Addresses and sizes for the memory of the HW bases in each frequency domain.
> +
> +required:
> +  - compatible
> +  - reg
> +
> +examples:
> +  - |
> +    soc {
> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +
> +        cpufreq_hw: cpufreq@11bc00 {
> +            compatible = "mediatek,cpufreq-hw";
> +            reg = <0 0x11bc10 0 0x8c>,
> +               <0 0x11bca0 0 0x8c>;
> +        };
> +    };

You still need to keep the CPU specific part here and explain how this
block is going to get used using the other binding you added.

-- 
viresh