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Date: Mon, 22 Apr 2024 08:30:24 -0500
From: Rob Herring <robh@kernel.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Cc: conor+dt@kernel.org, matthias.bgg@gmail.com, gustavoars@kernel.org,
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Subject: Re: [PATCH v4 2/7] dt-bindings: interconnect: Add MediaTek EMI
 Interconnect bindings
Message-ID: <171379262174.1121504.1745329422512464486.robh@kernel.org>
References: <20240418094134.203330-1-angelogioacchino.delregno@collabora.com>
 <20240418094134.203330-3-angelogioacchino.delregno@collabora.com>
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In-Reply-To: <20240418094134.203330-3-angelogioacchino.delregno@collabora.com>


On Thu, 18 Apr 2024 11:41:29 +0200, AngeloGioacchino Del Regno wrote:
> Add bindings for the MediaTek External Memory Interface Interconnect,
> which providers support system bandwidth requirements through Dynamic
> Voltage Frequency Scaling Resource Collector (DVFSRC) hardware.
> 
> This adds bindings for MediaTek MT8183 and MT8195 SoCs.
> 
> Note that this is modeled as a subnode of DVFSRC for multiple reasons:
>  - Some SoCs have more than one interconnect on the DVFSRC (and two
>    different kinds of EMI interconnect, and also a SMI interconnect);
> 
>  - Some boards will want to not enable the interconnect driver because
>    some of those are not battery powered (so they just keep the knobs
>    at full thrust from the bootloader and never care scaling busses);
> 
>  - Some DVFSRC interconnect features may depend on firmware.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> ---
>  .../interconnect/mediatek,mt8183-emi.yaml     | 51 +++++++++++++++++++
>  .../interconnect/mediatek,mt8183.h            | 23 +++++++++
>  .../interconnect/mediatek,mt8195.h            | 44 ++++++++++++++++
>  3 files changed, 118 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/interconnect/mediatek,mt8183-emi.yaml
>  create mode 100644 include/dt-bindings/interconnect/mediatek,mt8183.h
>  create mode 100644 include/dt-bindings/interconnect/mediatek,mt8195.h
> 

Reviewed-by: Rob Herring <robh@kernel.org>