linux-kernel - Re: [PATCH v2 3/3] dt-bindings: ufs: qcom: Split SM8650 and similar

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Message-ID: <175398329829.2268219.10303422532695900388.robh@kernel.org>
Date: Thu, 31 Jul 2025 12:34:58 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Avri Altman <avri.altman@....com>, Bart Van Assche <bvanassche@....org>,
	Andy Gross <agross@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	linux-kernel@...r.kernel.org,
	Ram Kumar Dwivedi <quic_rdwivedi@...cinc.com>,
	Manivannan Sadhasivam <mani@...nel.org>,
	Alim Akhtar <alim.akhtar@...sung.com>, linux-scsi@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
	Conor Dooley <conor+dt@...nel.org>
Subject: Re: [PATCH v2 3/3] dt-bindings: ufs: qcom: Split SM8650 and similar


On Thu, 31 Jul 2025 09:15:54 +0200, Krzysztof Kozlowski wrote:
> The binding for Qualcomm SoC UFS controllers grew and it will grow
> further.  Split SM8650 and SM8750 UFS controllers which:
> 1. Do not reference ICE as IO address space, but as phandle,
> 2. Have same order of clocks.
> 3. Have MCQ IO address space. Document that MCQ address space as
>    optional to maintain backwards compatibility and because Linux
>    drivers can operate perfectly fine without it (thus without MCQ
>    feature).  Linux driver already uses "mcq" as possible name for
>    "reg-names" property.
> 
> The split allows easier review and maintenance of the binding.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
>  .../devicetree/bindings/ufs/qcom,sm8650-ufshc.yaml | 178 +++++++++++++++++++++
>  .../devicetree/bindings/ufs/qcom,ufs.yaml          |  32 ----
>  2 files changed, 178 insertions(+), 32 deletions(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>