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GET /api/patches/2222947/?format=api
{ "id": 2222947, "url": "http://patchwork.ozlabs.org/api/patches/2222947/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260414053715.1378021-10-gaurav.sharma_7@nxp.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260414053715.1378021-10-gaurav.sharma_7@nxp.com>", "list_archive_url": null, "date": "2026-04-14T05:37:09", "name": "[PATCHv5,09/15] hw/arm/fsl-imx8mm: Adding support for I2C emulation", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "4c9d580db0042354f4f8ee7ff6955dcfd106b709", "submitter": { "id": 92057, "url": "http://patchwork.ozlabs.org/api/people/92057/?format=api", "name": "Gaurav Sharma", "email": "gaurav.sharma_7@nxp.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260414053715.1378021-10-gaurav.sharma_7@nxp.com/mbox/", "series": [ { "id": 499777, "url": "http://patchwork.ozlabs.org/api/series/499777/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499777", "date": "2026-04-14T05:37:06", "name": "Adding comprehensive support for i.MX8MM EVK board", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499777/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2222947/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2222947/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)", "Received": [ "from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fvtNj57ZHz1y2d\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 14 Apr 2026 15:38:29 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wCWSp-0003q7-Bl; Tue, 14 Apr 2026 01:37:31 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <gaurav.sharma_7@nxp.com>)\n id 1wCWSm-0003oi-QF\n for qemu-devel@nongnu.org; Tue, 14 Apr 2026 01:37:28 -0400", "from inva021.nxp.com ([92.121.34.21])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <gaurav.sharma_7@nxp.com>)\n id 1wCWSk-00045u-TN\n for qemu-devel@nongnu.org; Tue, 14 Apr 2026 01:37:28 -0400", "from inva021.nxp.com (localhost [127.0.0.1])\n by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id D7FC2202243;\n Tue, 14 Apr 2026 07:37:22 +0200 (CEST)", "from aprdc01srsp001v.ap-rdc01.nxp.com\n (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16])\n by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id A386520223E;\n Tue, 14 Apr 2026 07:37:22 +0200 (CEST)", "from lsv031015.swis.in-blr01.nxp.com\n (lsv031015.swis.in-blr01.nxp.com [10.12.177.77])\n by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 1F7EF1802227;\n Tue, 14 Apr 2026 13:37:22 +0800 (+08)" ], "From": "Gaurav Sharma <gaurav.sharma_7@nxp.com>", "To": "qemu-devel@nongnu.org", "Cc": "pbonzini@redhat.com, peter.maydell@linaro.org,\n Gaurav Sharma <gaurav.sharma_7@nxp.com>,\n Philippe Mathieu-Daude <philmd@linaro.org>", "Subject": "[PATCHv5 09/15] hw/arm/fsl-imx8mm: Adding support for I2C emulation", "Date": "Tue, 14 Apr 2026 11:07:09 +0530", "Message-Id": "<20260414053715.1378021-10-gaurav.sharma_7@nxp.com>", "X-Mailer": "git-send-email 2.34.1", "In-Reply-To": "<20260414053715.1378021-1-gaurav.sharma_7@nxp.com>", "References": "<20260414053715.1378021-1-gaurav.sharma_7@nxp.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Virus-Scanned": "ClamAV using ClamSMTP", "Received-SPF": "pass client-ip=92.121.34.21;\n envelope-from=gaurav.sharma_7@nxp.com; helo=inva021.nxp.com", "X-Spam_score_int": "-41", "X-Spam_score": "-4.2", "X-Spam_bar": "----", "X-Spam_report": "(-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "This can be used to test and debug I2C device drivers.\nAdded I2C interrupts\n\nReviewed-by: Philippe Mathieu-Daude <philmd@linaro.org>\nReviewed-by: Peter Maydell <peter.maydell@linaro.org>\nSigned-off-by: Gaurav Sharma <gaurav.sharma_7@nxp.com>\n---\n hw/arm/Kconfig | 2 ++\n hw/arm/fsl-imx8mm.c | 27 +++++++++++++++++++++++++++\n include/hw/arm/fsl-imx8mm.h | 8 ++++++++\n 3 files changed, 37 insertions(+)", "diff": "diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig\nindex 4636551d66..97ff6d9716 100644\n--- a/hw/arm/Kconfig\n+++ b/hw/arm/Kconfig\n@@ -621,10 +621,12 @@ config FSL_IMX8MP_EVK\n config FSL_IMX8MM\n bool\n imply PCI_DEVICES\n+ imply I2C_DEVICES\n select ARM_GIC\n select FSL_IMX8MP_ANALOG\n select FSL_IMX8MP_CCM\n select IMX\n+ select IMX_I2C\n select SDHCI\n select PCI_EXPRESS_DESIGNWARE\n select PCI_EXPRESS_FSL_IMX8M_PHY\ndiff --git a/hw/arm/fsl-imx8mm.c b/hw/arm/fsl-imx8mm.c\nindex 85bce5a788..3632d85197 100644\n--- a/hw/arm/fsl-imx8mm.c\n+++ b/hw/arm/fsl-imx8mm.c\n@@ -180,6 +180,11 @@ static void fsl_imx8mm_init(Object *obj)\n object_initialize_child(obj, name, &s->uart[i], TYPE_IMX_SERIAL);\n }\n \n+ for (i = 0; i < FSL_IMX8MM_NUM_I2CS; i++) {\n+ g_autofree char *name = g_strdup_printf(\"i2c%d\", i + 1);\n+ object_initialize_child(obj, name, &s->i2c[i], TYPE_IMX_I2C);\n+ }\n+\n for (i = 0; i < FSL_IMX8MM_NUM_GPIOS; i++) {\n g_autofree char *name = g_strdup_printf(\"gpio%d\", i + 1);\n object_initialize_child(obj, name, &s->gpio[i], TYPE_IMX_GPIO);\n@@ -370,6 +375,27 @@ static void fsl_imx8mm_realize(DeviceState *dev, Error **errp)\n fsl_imx8mm_memmap[FSL_IMX8MM_OCRAM].addr,\n &s->ocram);\n \n+ /* I2Cs */\n+ for (i = 0; i < FSL_IMX8MM_NUM_I2CS; i++) {\n+ static const struct {\n+ hwaddr addr;\n+ unsigned int irq;\n+ } i2c_table[FSL_IMX8MM_NUM_I2CS] = {\n+ { fsl_imx8mm_memmap[FSL_IMX8MM_I2C1].addr, FSL_IMX8MM_I2C1_IRQ },\n+ { fsl_imx8mm_memmap[FSL_IMX8MM_I2C2].addr, FSL_IMX8MM_I2C2_IRQ },\n+ { fsl_imx8mm_memmap[FSL_IMX8MM_I2C3].addr, FSL_IMX8MM_I2C3_IRQ },\n+ { fsl_imx8mm_memmap[FSL_IMX8MM_I2C4].addr, FSL_IMX8MM_I2C4_IRQ },\n+ };\n+\n+ if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c[i]), errp)) {\n+ return;\n+ }\n+\n+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c[i]), 0, i2c_table[i].addr);\n+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[i]), 0,\n+ qdev_get_gpio_in(gicdev, i2c_table[i].irq));\n+ }\n+\n /* GPIOs */\n for (i = 0; i < FSL_IMX8MM_NUM_GPIOS; i++) {\n static const struct {\n@@ -477,6 +503,7 @@ static void fsl_imx8mm_realize(DeviceState *dev, Error **errp)\n case FSL_IMX8MM_GIC_DIST:\n case FSL_IMX8MM_GIC_REDIST:\n case FSL_IMX8MM_GPIO1 ... FSL_IMX8MM_GPIO5:\n+ case FSL_IMX8MM_I2C1 ... FSL_IMX8MM_I2C4:\n case FSL_IMX8MM_PCIE1:\n case FSL_IMX8MM_PCIE_PHY1:\n case FSL_IMX8MM_RAM:\ndiff --git a/include/hw/arm/fsl-imx8mm.h b/include/hw/arm/fsl-imx8mm.h\nindex 4fe27b9575..d6df16e9d4 100644\n--- a/include/hw/arm/fsl-imx8mm.h\n+++ b/include/hw/arm/fsl-imx8mm.h\n@@ -13,6 +13,7 @@\n #include \"cpu.h\"\n #include \"hw/char/imx_serial.h\"\n #include \"hw/gpio/imx_gpio.h\"\n+#include \"hw/i2c/imx_i2c.h\"\n #include \"hw/intc/arm_gicv3_common.h\"\n #include \"hw/misc/imx7_snvs.h\"\n #include \"hw/misc/imx8mp_analog.h\"\n@@ -32,6 +33,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(FslImx8mmState, FSL_IMX8MM)\n enum FslImx8mmConfiguration {\n FSL_IMX8MM_NUM_CPUS = 4,\n FSL_IMX8MM_NUM_GPIOS = 5,\n+ FSL_IMX8MM_NUM_I2CS = 4,\n FSL_IMX8MM_NUM_IRQS = 128,\n FSL_IMX8MM_NUM_UARTS = 4,\n FSL_IMX8MM_NUM_USDHCS = 3,\n@@ -46,6 +48,7 @@ struct FslImx8mmState {\n IMX8MPCCMState ccm;\n IMX8MPAnalogState analog;\n IMX7SNVSState snvs;\n+ IMXI2CState i2c[FSL_IMX8MM_NUM_I2CS];\n IMXSerialState uart[FSL_IMX8MM_NUM_UARTS];\n MemoryRegion ocram;\n SDHCIState usdhc[FSL_IMX8MM_NUM_USDHCS];\n@@ -174,6 +177,11 @@ enum FslImx8mmIrqs {\n FSL_IMX8MM_UART3_IRQ = 28,\n FSL_IMX8MM_UART4_IRQ = 29,\n \n+ FSL_IMX8MM_I2C1_IRQ = 35,\n+ FSL_IMX8MM_I2C2_IRQ = 36,\n+ FSL_IMX8MM_I2C3_IRQ = 37,\n+ FSL_IMX8MM_I2C4_IRQ = 38,\n+\n FSL_IMX8MM_GPIO1_LOW_IRQ = 64,\n FSL_IMX8MM_GPIO1_HIGH_IRQ = 65,\n FSL_IMX8MM_GPIO2_LOW_IRQ = 66,\n", "prefixes": [ "PATCHv5", "09/15" ] }