From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A6A43C7EE30 for ; Thu, 26 Jun 2025 13:56:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6B88510E29A; Thu, 26 Jun 2025 13:56:16 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ew5mmjv3"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9857110E29A for ; Thu, 26 Jun 2025 13:56:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1750946175; x=1782482175; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=4bTe33HNwDNdpF7xZ6t6fopoHMncX06V4KSWqXqFCtA=; b=ew5mmjv3hRdPKDuTRaJjpumfhD3caN4QsbGcv2Yk6ugpZE+I4FJs6PxX xb1rsZc3WhRVNghTdbk4ATJF6Z3ENV7umbl8o3Vtl2zsAAeLJjOjFAhFv 0CL5JVZnDKxTyomeBfd09ILIi6KBrTH0Y0LIsjcqwu1yUE0Vw4SESKXa7 SovuBj8zaRAwhvCMGLnINlv9+Em7/XCLrb2QnYwPGo/ZZRqAeefcw2uY4 L8ChbdRm0iwcdSy1PmqpuA6urLNFxI9p9SfGQnEBlKLLIpcd0Xq9wXboP BB6DbuoAOgmxvWiiAwhgYhwI3QGY1E+agYvIsdHAQWDkQkV0I6/uTfihU A==; X-CSE-ConnectionGUID: sIelAmpTSROPOztMbkimIA== X-CSE-MsgGUID: rKZ5yAa/QlyuULs2jrsi7g== X-IronPort-AV: E=McAfee;i="6800,10657,11475"; a="53316384" X-IronPort-AV: E=Sophos;i="6.16,267,1744095600"; d="scan'208";a="53316384" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jun 2025 06:56:15 -0700 X-CSE-ConnectionGUID: E2+7CxyjRJebod23oDFikQ== X-CSE-MsgGUID: z/osQlwIRCyQVaFcbklmiA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,267,1744095600"; d="scan'208";a="152146945" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmviesa007.fm.intel.com with ESMTP; 26 Jun 2025 06:56:11 -0700 From: Heikki Krogerus To: Lucas De Marchi , =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= , Rodrigo Vivi Cc: Jarkko Nikula , David Airlie , Simona Vetter , Andy Shevchenko , Mika Westerberg , Jan Dabros , Andi Shyti , Raag Jadav , "Tauro, Riana" , "Adatrao, Srinivasa" , "Michael J. Ruhl" , intel-xe@lists.freedesktop.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 0/4] drm/xe: i2c support Date: Thu, 26 Jun 2025 16:56:05 +0300 Message-ID: <20250626135610.299943-1-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.47.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Hi, Changed since v3: - Cleanups as requested by Rodrigo. - The licence is now changed, but still need confirmation for it! Changed since v2: - Added dependency on regmap when i2c is enabled. Changed since v1: - Now rebased on top of drm-tip. - No longer ignoring errors from xe_i2c_probe(). - Cleanups pointed out by Lucas. I've also included followup patches from Raag and Riana to this series. Original cover letter: Some of the future GPUs will provide access to the on-board Synopsys DesignWare I2C host adapter. The i2c is used to connect various microcontrollers. The initially supported microcontroller unit is called Add-In Management Controller (AMC). Thanks, Heikki Krogerus (2): i2c: designware: Add quirk for Intel Xe drm/xe: Support for I2C attached MCUs Raag Jadav (1): drm/xe/pm: Wire up suspend/resume for I2C controller Riana Tauro (1): drm/xe/xe_i2c: Add support for i2c in survivability mode drivers/gpu/drm/xe/Kconfig | 1 + drivers/gpu/drm/xe/Makefile | 1 + drivers/gpu/drm/xe/regs/xe_i2c_regs.h | 20 ++ drivers/gpu/drm/xe/regs/xe_irq_regs.h | 1 + drivers/gpu/drm/xe/regs/xe_pmt.h | 2 +- drivers/gpu/drm/xe/regs/xe_regs.h | 2 + drivers/gpu/drm/xe/xe_device.c | 5 + drivers/gpu/drm/xe/xe_device_types.h | 4 + drivers/gpu/drm/xe/xe_i2c.c | 326 ++++++++++++++++++++ drivers/gpu/drm/xe/xe_i2c.h | 62 ++++ drivers/gpu/drm/xe/xe_irq.c | 2 + drivers/gpu/drm/xe/xe_pm.c | 9 + drivers/gpu/drm/xe/xe_survivability_mode.c | 23 +- drivers/i2c/busses/i2c-designware-platdrv.c | 18 +- 14 files changed, 461 insertions(+), 15 deletions(-) create mode 100644 drivers/gpu/drm/xe/regs/xe_i2c_regs.h create mode 100644 drivers/gpu/drm/xe/xe_i2c.c create mode 100644 drivers/gpu/drm/xe/xe_i2c.h -- 2.47.2