From: Krzysztof Kozlowski <krzk@kernel.org>
To: Ram Kumar Dwivedi <ram.dwivedi@oss.qualcomm.com>,
mani@kernel.org, alim.akhtar@samsung.com, avri.altman@wdc.com,
bvanassche@acm.org, robh@kernel.org, krzk+dt@kernel.org,
conor+dt@kernel.org, James.Bottomley@HansenPartnership.com,
martin.petersen@oracle.com
Cc: linux-arm-msm@vger.kernel.org, linux-scsi@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Anjana Hari <anjana.hari@oss.qualcomm.com>
Subject: Re: [PATCH V5 2/4] dt-bindings: ufs: Document bindings for SA8255P UFS Host Controller
Date: Tue, 13 Jan 2026 17:00:51 +0100 [thread overview]
Message-ID: <d472c4e3-8ebb-4681-b688-c99366b43f82@kernel.org> (raw)
In-Reply-To: <20260113080046.284089-3-ram.dwivedi@oss.qualcomm.com>
On 13/01/2026 09:00, Ram Kumar Dwivedi wrote:
> Document the device tree bindings for UFS host controller on
> Qualcomm SA8255P platform which integrates firmware-managed
> resources.
>
> The platform firmware implements the SCMI server and manages
> resources such as the PHY, clocks, regulators and resets via the
> SCMI power protocol. As a result, the OS-visible DT only describes
> the controller’s MMIO, interrupt, IOMMU and power-domain interfaces.
>
> The generic "qcom,ufshc" and "jedec,ufs-2.0" compatible strings are
> removed from the binding, since this firmware managed design won't
> be compatible with the drivers doing full resource management.
>
> Co-developed-by: Anjana Hari <anjana.hari@oss.qualcomm.com>
> Signed-off-by: Anjana Hari <anjana.hari@oss.qualcomm.com>
> Signed-off-by: Ram Kumar Dwivedi <ram.dwivedi@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Best regards,
Krzysztof
next prev parent reply other threads:[~2026-01-13 16:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-13 8:00 [PATCH V5 0/4] ufs: ufs-qcom: Add support firmware managed platforms Ram Kumar Dwivedi
2026-01-13 8:00 ` [PATCH V5 1/4] MAINTAINERS: broaden UFS Qualcomm binding file pattern Ram Kumar Dwivedi
2026-01-13 8:00 ` [PATCH V5 2/4] dt-bindings: ufs: Document bindings for SA8255P UFS Host Controller Ram Kumar Dwivedi
2026-01-13 16:00 ` Krzysztof Kozlowski [this message]
2026-01-20 13:31 ` Manivannan Sadhasivam
2026-01-13 8:00 ` [PATCH V5 3/4] scsi: ufs: core Enforce minimum pm level for sysfs configuration Ram Kumar Dwivedi
2026-01-20 13:29 ` Manivannan Sadhasivam
2026-01-20 17:44 ` Bart Van Assche
2026-01-13 8:00 ` [PATCH V5 4/4] ufs: ufs-qcom: Add support for firmware-managed resource abstraction Ram Kumar Dwivedi
2026-01-20 13:31 ` Manivannan Sadhasivam
2026-01-24 3:09 ` [PATCH V5 0/4] ufs: ufs-qcom: Add support firmware managed platforms Martin K. Petersen
2026-02-04 3:52 ` Martin K. Petersen
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