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[93.34.88.122]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4852e38c013sm84256225e9.8.2026.03.07.03.00.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Mar 2026 03:00:13 -0800 (PST) Message-ID: <69ac053d.050a0220.24143c.6b14@mx.google.com> X-Google-Original-Message-ID: Date: Sat, 7 Mar 2026 12:00:11 +0100 From: Christian Marangi To: Krzysztof Kozlowski Cc: Vinod Koul , Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lorenzo Bianconi , linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 0/4] airoha: an7581: USB support References: <20260306190156.22297-1-ansuelsmth@gmail.com> <20260307-poetic-salmon-of-order-33a4d0@quoll> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260307-poetic-salmon-of-order-33a4d0@quoll> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260307_030016_003515_9B7C6AA8 X-CRM114-Status: GOOD ( 25.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Mar 07, 2026 at 11:28:29AM +0100, Krzysztof Kozlowski wrote: > On Fri, Mar 06, 2026 at 08:01:49PM +0100, Christian Marangi wrote: > > This is a major rework of the old v2 series. > > > > The SoC always support USB 2.0 but for USB 3.0 it needs additional > > configuration for the Serdes port. Such port can be either configured > > for USB usage or for PCIe lines or HSGMII and these are configured > > in the SCU space. > > > > The previous implementation of a dedicated SSR driver was too > > complex and fragile for the simple task of configuring a register > > hence it was dropped and the handling is entirely in the PHY driver. > > > > Everything was reducted to the dt-bindings to describe the Serdes line. > > > > Also the property for the PHY are renamed to a more suitable name and > > everything is now mandatory to simplify the implementation. > > (the PHY are always present and active on the SoC) > > > > Also other unrelated patch are dropped from this series. > > > > Changes v6: > > - Fix kernel test robot (sparse warning) > > > > Changes v5: > > - Add Ack and Review tag from Connor > > - Implement Ethernet support in the USB driver > > (testing support for this Serdes on a special reference board) > > - Use an7581 prefix for USB PHY driver > > Link: https://lore.kernel.org/all/20251107160251.2307088-1-ansuelsmth@gmail.com/ > > > > Changes v4: > > - Rename PCIe and USB PHY to AN7581 > > - Drop airoha,scu (handled directly in driver) > > - Drop dt-bindings for monitor clock in favor of raw values > > - Better describe the usage of airoha,usb3-serdes > > - Simplify values of dt-bindings SSR SERDES > > Link: https://lore.kernel.org/all/20251107160251.2307088-1-ansuelsmth@gmail.com/ > > Why is this the same link as v5? > Sorry a copy paste error. Here [0] [0] https://lore.kernel.org/all/20260304005843.2680-1-ansuelsmth@gmail.com/ > > > > Changes v3: > > - Drop clk changes > > - Drop SSR driver > > - Rename property in Documentation > > - Simplify PHY handling > > - Move SSR handling inside the PHY driver > > Link: https://lore.kernel.org/all/20251029173713.7670-1-ansuelsmth@gmail.com/ > > Best regards, > Krzysztof > -- Ansuel