linux-kernel - Re: (subset) [PATCH v3 2/6] dt-bindings: arm: sunxi: Expand MBUS binding

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Date:   Tue, 23 Nov 2021 11:40:25 +0100
From:   Maxime Ripard <maxime@...no.tech>
To:     Chen-Yu Tsai <wens@...e.org>, Maxime Ripard <mripard@...nel.org>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Rob Herring <robh+dt@...nel.org>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Samuel Holland <samuel@...lland.org>
Cc:     Maxime Ripard <maxime@...no.tech>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: (subset) [PATCH v3 2/6] dt-bindings: arm: sunxi: Expand MBUS binding

On Wed, 17 Nov 2021 21:18:37 -0600, Samuel Holland wrote:
> The MBUS provides more than address translation and bandwidth control.
> It also provides a PMU to measure bandwidth usage by certain masters,
> and it provides notification via IRQ when they are active or idle.
> 
> The MBUS is also tightly integrated with the DRAM controller to provide
> a Memory Dynamic Frequency Scaling (MDFS) feature. In view of this, the
> MBUS binding needs to represent the hardware resources needed for MDFS,
> which include the clocks and MMIO range of the adjacent DRAM controller.
> 
> [...]

Applied to sunxi/linux.git (sunxi/dt-for-5.17).

Thanks!
Maxime