From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CED131494A8; Fri, 26 Sep 2025 18:19:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758910788; cv=none; b=j2gxcJsKu0JV8/yq5u2w7BDE5qKEhlUUQPMyrGQ8U4P0RlSMprP62uNF7XQDEKcf13a3dGW9TT57Fuzlww9BdbD6g0yXXYETxN46VhGKD76JsRmAXND3Em3+zFpvOrOoDvFyq5/MsSjMA0xIZ6L1aEh23X++AznZviaO+8S72iA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758910788; c=relaxed/simple; bh=0CgND4WO16EtwUc3Nse3AAY8I+x8THVa8IhQIsivJLs=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=uaHO0CKkqSM96YNODruum8ngTTR3NKPDC8kh14V5AQ/S5Wt5QpWJmn/J0I6tYxBIuMrsDN2mZAcFAXXOdS1KumpMPXTdtNU6ALoZlgqepFtq2Zet9tfljBjWeUFpp1crkl0ekBDgpapMZzV70QSjIijESDSKszhK3HBKBMRwbMs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EFqQZElB; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EFqQZElB" Received: by smtp.kernel.org (Postfix) with ESMTPS id 61B71C4CEF4; Fri, 26 Sep 2025 18:19:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758910788; bh=0CgND4WO16EtwUc3Nse3AAY8I+x8THVa8IhQIsivJLs=; h=From:Subject:Date:To:Cc:Reply-To:From; b=EFqQZElBdFonxbZXptHxBGcF7HN72o2kHiE88vBtKb9UJLOLs7JAhSIjcjTBoYI+X 7+psEOnYSFC6rlh9JSWxyYAmyOUnp4O4NgEkT3/RWBDZVQ6yvKE+IHBrPCYoA/UfT9 vf6DCunRU1iF14XAzo5Ctg5IqSTcmI5B7yrC/kxDXWx3KiqquRl0UAwZfAIFw1qM81 tt7KVbLYQdz8i1zZloLF+NE9e2VQQiOmLOl6z5YOr5QsZReG7pigdz0yhr6BsbLDtX EpjIs+bghQqJNPfjiL0Z5U1RTQj7bHMqx62lR8MOXEcLtoHQWLy3cSgBPagEat/w/J +LI1Tv+bDexKQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 450B9CAC5B9; Fri, 26 Sep 2025 18:19:48 +0000 (UTC) From: Frank Li via B4 Relay Subject: [PATCH v4 0/4] usb: dwc3: add layerscape platform driver use flatten dwc3 core Date: Fri, 26 Sep 2025 14:19:39 -0400 Message-Id: <20250926-ls_dma_coherence-v4-0-21e9c6bdb5cb@nxp.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIADzZ1mgC/33OQQqDMBAF0KtI1k2JiR1rV71HKWImYw3UKEkRi 3j3Rje1IF3+gff/TCyQtxTYJZmYp8EG27kYskPCsKncg7g1MTMp5EmAkPwZStNWJXYNeXJIHBV KDXVeGC1ZZL2n2o5r5e0ec2PDq/PvdWFIl+ufsiHlgiPk2TkzUGnIrm7sj9i1bKka5JcXUu1wu XBSaQ6qAG30L1dbDjtcRR7/0ikKJNCb9XmeP6x5Tm0sAQAA X-Change-ID: 20250602-ls_dma_coherence-c3c2b6f79db2 To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thinh Nguyen , Shawn Guo Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, bjorn.andersson@oss.qualcomm.com, imx@lists.linux.dev, Frank Li , Ze Huang X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1758910787; l=3727; i=Frank.Li@nxp.com; s=20240130; h=from:subject:message-id; bh=0CgND4WO16EtwUc3Nse3AAY8I+x8THVa8IhQIsivJLs=; b=f4VguHT7W5iuk/7l2407RYWfAHOiiw0M3T09v5A7GJ5UaA1ZSGrZAWbO1/F5s3AyWLcNfz3mO 8HMzO79XgAlCYvA/HomfsHs5YAzTSKipm2h0N88JNE1Bx7i121o/vlJ X-Developer-Key: i=Frank.Li@nxp.com; a=ed25519; pk=I0L1sDUfPxpAkRvPKy7MdauTuSENRq+DnA+G4qcS94Q= X-Endpoint-Received: by B4 Relay for Frank.Li@nxp.com/20240130 with auth_id=121 X-Original-From: Frank Li Reply-To: Frank.Li@nxp.com Add layerscape platform driver use flatten dwc3 core to enable dma-coherence. It needs set gsburstcfg0 to 0x2222. There are some several try before: [1] https://lore.kernel.org/imx/20240710-ls-dwc-v1-0-62f8cbed31d7@nxp.com/ [2] https://lore.kernel.org/imx/20240123170206.3702413-1-Frank.Li@nxp.com/ [2]: add new property, which was reject because there are no varience in the soc. Fortunately the below commit resolve this problem by use software managed property. d504bfa6cfd1a usb: dwc3: enable CCI support for AMD-xilinx DWC3 controller [1] was reject because there are not actually dwc wrap at layerscape platform. Fortunately Bjorn Andersson's below patch to make it possible by use correct dts dwc3 node layer out. 613a2e655d4dc usb: dwc3: core: Expose core driver as library This resolve problem [1] and [2] by use flatten dwc3 core library. 1. add soc specific compatible string at dt-binding. 2. create platform driver for layerscape chips and pass down gsbuscfg0 if dma-coherence enabled. 3. update layerscape dts files. To: Greg Kroah-Hartman To: Rob Herring To: Krzysztof Kozlowski To: Conor Dooley To: Thinh Nguyen To: Shawn Guo Cc: linux-usb@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: bjorn.andersson@oss.qualcomm.com Cc: imx@lists.linux.dev Signed-off-by: Frank Li --- Changes in v4: - Use flatten properties, instead of use dt pass down information to core. - Link to v3: https://lore.kernel.org/r/20250926-ls_dma_coherence-v3-0-602b1c0ce6b4@nxp.com Changes in v3: - skipped, accident sendout - Link to v2: https://lore.kernel.org/r/20250923-ls_dma_coherence-v2-0-ce3176396bdb@nxp.com Changes in v2: - base on drivers/usb/dwc3/dwc3-generic-plat.c commit e0b6dc00c701e600e655417aab1e100b73de821a Author: Ze Huang Date: Sat Sep 13 00:53:48 2025 +0800 usb: dwc3: add generic driver to support flattened To support flattened dwc3 dt model and drop the glue layer, introduce the `dwc3-generic` driver. This enables direct binding of the DWC3 core driver and offers an alternative to the existing glue driver `dwc3-of-simple`. - Link to v1: https://lore.kernel.org/r/20250602-ls_dma_coherence-v1-0-c67484d6ab64@nxp.com --- Frank Li (4): dt-bindings: usb: add missed compatible string for arm64 layerscape usb: dwc3: Add software-managed properties for flattened model usb: dwc3: dwc3-generic-plat: Add layerscape dwc3 support arm64: dts: layerscape: add dma-coherent for usb node .../devicetree/bindings/usb/fsl,ls1028a.yaml | 33 ++++++++++++---------- arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi | 3 +- arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 8 ++++-- arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi | 9 ++++-- arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 9 ++++-- arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 8 ++++-- arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 8 ++++-- drivers/usb/dwc3/core.c | 12 ++++++-- drivers/usb/dwc3/dwc3-generic-plat.c | 14 +++++++++ drivers/usb/dwc3/dwc3-qcom.c | 1 + drivers/usb/dwc3/glue.h | 14 +++++++++ 11 files changed, 89 insertions(+), 30 deletions(-) --- base-commit: c45d2c21b3889c520bf141d576eaecb25666895c change-id: 20250602-ls_dma_coherence-c3c2b6f79db2 Best regards, -- Frank Li