linux-kernel - Re: [PATCH 4/4] phy: exynos5-usbdrd: add exynos7870 USBDRD support

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Message-ID: <ba9aee5d125cd9bd2eea02d283877b5a@disroot.org>
Date: Tue, 11 Feb 2025 17:48:31 +0000
From: Kaustabh Chakraborty <kauschluss@...root.org>
To: Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I
 <kishon@...nel.org>, Krzysztof Kozlowski <krzk@...nel.org>, Alim Akhtar
 <alim.akhtar@...sung.com>, Vivek Gautam <gautam.vivek@...sung.com>, Rob
 Herring <robh@...nel.org>, Conor Dooley <conor@...nel.org>, Marek Szyprowski
 <m.szyprowski@...sung.com>, Sylwester Nawrocki <s.nawrocki@...sung.com>
Cc: Sergey Lisov <sleirsgoevy@...il.com>, linux-phy@...ts.infradead.org,
 linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, Kaustabh
 Chakraborty <kauschluss@...root.org>
Subject: Re: [PATCH 4/4] phy: exynos5-usbdrd: add exynos7870 USBDRD support

On 2025-02-03 20:40, Kaustabh Chakraborty wrote:
> From: Sergey Lisov <sleirsgoevy@...il.com>
> 
> Implement support for Exynos7870 USB DRD on top of the existing
> exynos5-usbdrd driver.
> 
> Exynos7870 has a single USB 2.0 DRD PHY controller and no 3.0 PHYs. Thus,
> it only supports the UTMI interface.
> 
> Moreover, the PMU register offset for enabling the PHY controller is
> different for SoCs such as Exynos7870, where BIT(0) is for the 3.0 PHY and
> BIT(1) is for the 2.0 PHY. The phy_isol function for Exynos7870 uses the
> appropriate register offsets.
> 
> Signed-off-by: Sergey Lisov <sleirsgoevy@...il.com>
> Co-developed-by: Kaustabh Chakraborty <kauschluss@...root.org>
> Signed-off-by: Kaustabh Chakraborty <kauschluss@...root.org>
> ---
>  drivers/phy/samsung/phy-exynos5-usbdrd.c    | 260 ++++++++++++++++++++++++++++
>  include/linux/soc/samsung/exynos-regs-pmu.h |   2 +
>  2 files changed, 262 insertions(+)
> 

Please refrain from merging, wait for the next revision.
Thank you.