linux-kernel - Re: [PATCH v2 00/14] HSI2, UFS & UFS phy support for Tensor GS101

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Message-ID: <1c6f5984-7f9f-47e3-98c3-3c3671512675@kernel.org>
Date: Thu, 25 Apr 2024 09:08:31 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Peter Griffin <peter.griffin@...aro.org>, mturquette@...libre.com,
 sboyd@...nel.org, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
 vkoul@...nel.org, kishon@...nel.org, alim.akhtar@...sung.com,
 avri.altman@....com, bvanassche@....org, s.nawrocki@...sung.com,
 cw00.choi@...sung.com, jejb@...ux.ibm.com, martin.petersen@...cle.com,
 James.Bottomley@...senPartnership.com, ebiggers@...nel.org
Cc: linux-scsi@...r.kernel.org, linux-phy@...ts.infradead.org,
 devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
 linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, tudor.ambarus@...aro.org,
 andre.draszik@...aro.org, saravanak@...gle.com, willmcvicker@...gle.com
Subject: Re: [PATCH v2 00/14] HSI2, UFS & UFS phy support for Tensor GS101

On 23/04/2024 22:49, Peter Griffin wrote:
> Hi James, Martin, Alim, Bart, Krzysztof, Vinod, all
> 
> Firstly, many thanks to everyone who reviewed and tested v1.
> 
> This series adds support for the High Speed Interface (HSI) 2 clock
> management unit, UFS controller and UFS phy calibration/tuning for GS101
> found in Pixel 6.
> 
> With this series applied, UFS is now functional on gs101. The SKhynix
> HN8T05BZGKX015 can be enumerated, partitions mounted etc. This allows us to
> move away from the initramfs rootfs we have been using for development so far.
> 
> Merge Strategy
> 1) UFS driver/bindings via UFS/SCSI tree (James / Martin / Alim)
> 2) GS101 DTS/DTSI should go via Krzysztofs Exynos SoC tree
> 3) Clock driver/bindings via Clock tree (Krzysztof / Stephen)
> 4) PHY driver/bindings via PHY tree (Vinod)
> 
> The v2 series has been rebased on next-20240422, as such all the phy parts
> which were already queued by Vinod have been dropped. Two new phy patches
> are added to address review feedback received after the patches were queued.
> 
> The series is broadly split into the following parts:
> 1) dt-bindings documentation updates
> 2) gs101/oriole dts & dtsi updates
> 3) Prepatory patches for ufs-exynos driver
> 4) GS101 ufs-exynos support
> 5) gs101 phy fixes
> 

I asked to split, otherwise please explain why PHY and UFS depends on
DTS and clk.

Best regards,
Krzysztof