From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f202.google.com (mail-pf1-f202.google.com [209.85.210.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A2DE8202961 for ; Fri, 10 Oct 2025 20:16:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760127377; cv=none; b=iBWBrs31m1LlMrmjP8/N/aIllH1xSggrCQQecF5d2vXKM4eYkw5nbIEGB9bBhbOw9zqOkoHVEs6Mcv0IWsU8qiVMUt5Tk+nT6FhURWHVGt+74Mstmmk0qBz8Gj4hHGfwezEai+8GfRARiHTFdS8qdFig6Sof39Q8RXlQqUogsPQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760127377; c=relaxed/simple; bh=LeOlfv9Qe98aV9cT/VDmXbV2tpD8MIcC/9HBfX+lGZo=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=EHBRD70+PlVE43SwWcX9oSwYf9v2u11PGlKYMhkix8MhvPRrFPpi3GgOJYVE16J3YLiYUl6p5H3QETlrchtiPNAgd8hzycVm0xgDTOmW3kmFNBEBGRA20f3IumKR95KIc1rljwsXu62NiVejNoqpq1h6aA4UpHulGcqsTshD0aI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--royluo.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=LRAZTdlN; arc=none smtp.client-ip=209.85.210.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--royluo.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="LRAZTdlN" Received: by mail-pf1-f202.google.com with SMTP id d2e1a72fcca58-7811a602576so5819182b3a.0 for ; Fri, 10 Oct 2025 13:16:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1760127375; x=1760732175; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=estI8qEVcPVY31PTAjZ7lIjF6tdHShVWJ6+L1IGJmXg=; b=LRAZTdlNhXx28UvzwL8skIPyjcKEHZ/BXG9dnn/t8ZjbRlalalqHkDMj/k5/t70v8m DToGBzMy08gO1Mpx9Ch6xsTakf7Rv8T6aJvj/P8BWR2Lw9zVrWhywY9PS7QDzeE8LSgi JcLxxIcoqB+BE4u29s8sKRUPyjapmroq0E+ltJpc2bjJj5a1AdbMW5jPLP7pMDqEaodV 4Oecs+RHLjEfI6y0GJGaly+GPkMmWagb9Vrc8z1AyQPbIi2TvzOqILfMstoFwz8PFrSN HVgtKXtWUYq9+PB80blAupPWvVo4+MGncTyUp3Vi1yBKNVgAtiqWD5atZFV4a/0sxw8D TlLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1760127375; x=1760732175; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=estI8qEVcPVY31PTAjZ7lIjF6tdHShVWJ6+L1IGJmXg=; b=aPLuA6tnvBhJO3CMs0yuhA9ZqCi5MkSAj7NrInuE6gFK9fy8WRS7jICbGK2QVlaSJ5 Ze+dI/TdpSOfcu/u57ynsZcBrmH8eQNG6Tthc9AUxsIoWXKtqAQUBlMJCBiPktvCvrrH zLA6XhrpQjbXYLmg64yBMOg4Ogbe2Z00YRQVXmptRb5LPbtfD9+6Jz1POBulvNjdNmcB QO/1/8gTEqsooeFv4TovnCnF9PMXnJ9dsZvGFYM82sUZR3bOgVCMa8u7K2EozvVmkMxS UIjvVBMn2AzwYRE/XNY6+eVlG/p/RkJy95NomMl1vVggI5ICTvqNeU/VeZuYk5WZ1VI2 hGWg== X-Forwarded-Encrypted: i=1; AJvYcCXmiytjV1uQI+enY4kVmFdGn36okpaLMrBW9RsgeBAKCbpHbafsXado34EaZVhu2imzHyb1WQH2/EsBV6Y=@vger.kernel.org X-Gm-Message-State: AOJu0Yxf2BdHgkPNw9GtLLLbUdqgLPOAMMi2GpWYCWVpr2snfuvC3/Oz x6XReN3sZLj3d2qwJVcJGmWkgkBzGdS4P3Gv5WkysSeJycNJXeesNNO8ZeEckus5Dx4NvVkbnFl qWDY4zQ== X-Google-Smtp-Source: AGHT+IFJD5qJ8MoWXYq3MeKta2yygNl8qvdxme+xxEYvwMoAACneZQcghqeTL0yFWDPZvoSjrD0dclHeIIM= X-Received: from pgjq5.prod.google.com ([2002:a63:e945:0:b0:b47:34d0:d386]) (user=royluo job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a20:2595:b0:2fa:26fb:4a5c with SMTP id adf61e73a8af0-32da84edd1bmr17849128637.59.1760127374950; Fri, 10 Oct 2025 13:16:14 -0700 (PDT) Date: Fri, 10 Oct 2025 20:16:03 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.51.0.740.g6adb054d12-goog Message-ID: <20251010201607.1190967-1-royluo@google.com> Subject: [PATCH v3 0/4] Add Google Tensor SoC USB support From: Roy Luo To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Thinh Nguyen , Philipp Zabel , Peter Griffin , "=?UTF-8?q?Andr=C3=A9=20Draszik?=" , Tudor Ambarus Cc: Joy Chakraborty , Naveen Kumar , Roy Luo , Badhri Jagan Sridharan , linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org Content-Type: text/plain; charset="UTF-8" This series introduces USB controller and PHY support for the Google Tensor G5 SoC (codename: Laguna), a new generation of Google silicon first launched with Pixel 10 devices. The Tensor G5 represents a significant architectural overhaul compared to previous Tensor generations (e.g., gs101), which were based on Samsung Exynos IP. Although the G5 still utilizes Synopsys IP for the USB components, the custom top-level integration introduces a completely new design for clock, reset scheme, register interfaces and programming sequence, necessitating new drivers and device tree bindings. The USB subsystem on Tensor G5 integrates a Synopsys DWC3 USB 3.1 DRD-Single Port controller with hibernation support, and a custom PHY block comprising Synopsys eUSB2 and USB 3.2/DP combo PHYs. Co-developed-by: Joy Chakraborty Signed-off-by: Joy Chakraborty Co-developed-by: Naveen Kumar Signed-off-by: Naveen Kumar Signed-off-by: Roy Luo --- Changes in v3: - Align binding file name with the compatible string - Simplify the compatible property in binding to a single const value. - Add descriptive comments and use item list in binding. - Rename binding entries for clarity and brevity. Link to v2: https://lore.kernel.org/linux-usb/20251008060000.3136021-1-royluo@google.com Changes in v2: - Reorder patches to present bindings first. - Update dt binding compatible strings to be SoC-specific (google,gs5-*). - Better describe the hardware in dt binding commit messages and descriptions. - Adjust PHY driver commit subjects to use correct prefixes ("phy:"). - Move PHY driver from a subdirectory to drivers/phy/. Link to v1: https://lore.kernel.org/linux-usb/20251006232125.1833979-1-royluo@google.com/ --- Roy Luo (4): dt-bindings: usb: dwc3: Add Google Tensor G5 DWC3 usb: dwc3: Add Google Tensor SoC DWC3 glue driver dt-bindings: phy: google: Add Google Tensor G5 USB PHY phy: Add Google Tensor SoC USB PHY driver .../bindings/phy/google,gs5-usb-phy.yaml | 88 +++ .../bindings/usb/google,gs5-dwc3.yaml | 141 +++++ drivers/phy/Kconfig | 15 + drivers/phy/Makefile | 1 + drivers/phy/phy-google-usb.c | 286 +++++++++ drivers/usb/dwc3/Kconfig | 10 + drivers/usb/dwc3/Makefile | 1 + drivers/usb/dwc3/dwc3-google.c | 597 ++++++++++++++++++ 8 files changed, 1139 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/google,gs5-usb-phy.yaml create mode 100644 Documentation/devicetree/bindings/usb/google,gs5-dwc3.yaml create mode 100644 drivers/phy/phy-google-usb.c create mode 100644 drivers/usb/dwc3/dwc3-google.c base-commit: e5f0a698b34ed76002dc5cff3804a61c80233a7a -- 2.51.0.740.g6adb054d12-goog