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

Maxime Ripard maxime at cerno.tech
Tue Nov 23 02:40:25 PST 2021


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



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