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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, henryc.chen@mediatek.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, broonie@kernel.org,
	linux-mediatek@lists.infradead.org,
	krzysztof.kozlowski+dt@linaro.org, kernel@collabora.com,
	keescook@chromium.org, wenst@chromium.org, djakov@kernel.org,
	amergnat@baylibre.com, lgirdwood@gmail.com,
	devicetree@vger.kernel.org, linux-pm@vger.kernel.org
Subject: Re: [PATCH v4 2/7] dt-bindings: interconnect: Add MediaTek EMI Interconnect bindings
Date: Mon, 22 Apr 2024 08:30:24 -0500	[thread overview]
Message-ID: <171379262174.1121504.1745329422512464486.robh@kernel.org> (raw)
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>


  reply	other threads:[~2024-04-22 13:30 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-18  9:41 [PATCH v4 0/7] MediaTek DVFSRC Bus Bandwidth and Regulator knobs AngeloGioacchino Del Regno
2024-04-18  9:41 ` [PATCH v4 1/7] dt-bindings: regulator: Add bindings for MediaTek DVFSRC Regulators AngeloGioacchino Del Regno
2024-04-22 13:27   ` Rob Herring
2024-04-18  9:41 ` [PATCH v4 2/7] dt-bindings: interconnect: Add MediaTek EMI Interconnect bindings AngeloGioacchino Del Regno
2024-04-22 13:30   ` Rob Herring [this message]
2024-04-18  9:41 ` [PATCH v4 3/7] dt-bindings: soc: mediatek: Add DVFSRC bindings for MT8183 and MT8195 AngeloGioacchino Del Regno
2024-04-22 13:31   ` Rob Herring
2024-04-18  9:41 ` [PATCH v4 4/7] soc: mediatek: Add MediaTek DVFS Resource Collector (DVFSRC) driver AngeloGioacchino Del Regno
2024-04-18  9:41 ` [PATCH v4 5/7] regulator: Remove mtk-dvfsrc-regulator.c AngeloGioacchino Del Regno
2024-04-22  2:04   ` Mark Brown
2024-04-18  9:41 ` [PATCH v4 6/7] regulator: Add refactored mtk-dvfsrc-regulator driver AngeloGioacchino Del Regno
2024-04-22  2:04   ` Mark Brown
2024-04-18  9:41 ` [PATCH v4 7/7] interconnect: mediatek: Add MediaTek MT8183/8195 EMI Interconnect driver AngeloGioacchino Del Regno

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