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GET /api/patches/2231481/?format=api
{ "id": 2231481, "url": "http://patchwork.ozlabs.org/api/patches/2231481/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/b59f2d162e0cae19855d3c9d68c2d2197c9497c3.1777571962.git.matyas.bobek@gmail.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": "<b59f2d162e0cae19855d3c9d68c2d2197c9497c3.1777571962.git.matyas.bobek@gmail.com>", "list_archive_url": null, "date": "2026-04-30T18:26:05", "name": "[v3,3/7] hw/misc/imx6_ccm: Add PLL3 and CAN clock", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "eed2f8e206ca2a4c9b1877e903e755fa041c83c7", "submitter": { "id": 92267, "url": "http://patchwork.ozlabs.org/api/people/92267/?format=api", "name": "Matyáš Bobek", "email": "matyas.bobek@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/b59f2d162e0cae19855d3c9d68c2d2197c9497c3.1777571962.git.matyas.bobek@gmail.com/mbox/", "series": [ { "id": 502356, "url": "http://patchwork.ozlabs.org/api/series/502356/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502356", "date": "2026-04-30T18:26:02", "name": "hw/arm/sabrelite: Add FlexCAN support", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/502356/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2231481/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2231481/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\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=oQgWljS2;\n\tdkim-atps=neutral", "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 4g62j26T4vz1yHZ\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 01 May 2026 04:27:50 +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 1wIW6R-0006cj-CN; Thu, 30 Apr 2026 14:27:12 -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 <matyas.bobek@gmail.com>)\n id 1wIW5o-0006Wp-Qz\n for qemu-devel@nongnu.org; Thu, 30 Apr 2026 14:26:41 -0400", "from mail-wr1-x431.google.com ([2a00:1450:4864:20::431])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from <matyas.bobek@gmail.com>)\n id 1wIW5f-0005UW-PC\n for qemu-devel@nongnu.org; Thu, 30 Apr 2026 14:26:26 -0400", "by mail-wr1-x431.google.com with SMTP id\n ffacd0b85a97d-43d7badbd7dso651496f8f.2\n for <qemu-devel@nongnu.org>; Thu, 30 Apr 2026 11:26:22 -0700 (PDT)", "from acidburn.pod.cvut.cz (acidburn.pod.cvut.cz. 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=?utf-8?b?TWF0ecOhxaEgQm9iZWs=?= <matyas.bobek@gmail.com>", "Subject": "[PATCH v3 3/7] hw/misc/imx6_ccm: Add PLL3 and CAN clock", "Date": "Thu, 30 Apr 2026 20:26:05 +0200", "Message-ID": "\n <b59f2d162e0cae19855d3c9d68c2d2197c9497c3.1777571962.git.matyas.bobek@gmail.com>", "X-Mailer": "git-send-email 2.53.0", "In-Reply-To": "<cover.1777571962.git.matyas.bobek@gmail.com>", "References": "<cover.1777571962.git.matyas.bobek@gmail.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2a00:1450:4864:20::431;\n envelope-from=matyas.bobek@gmail.com; helo=mail-wr1-x431.google.com", "X-Spam_score_int": "-10", "X-Spam_score": "-1.1", "X-Spam_bar": "-", "X-Spam_report": "(-1.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FORGED_GMAIL_RCVD=1,\n FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=no 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": "Add fixed frequency (480 MHz) PLL3, of which the FlexCAN\nclock is derived, and compute FlexCAN frequency based on\nthe divider configuration (CCM_CSCMR2).\n\nThe clock frequency will be used for computing timestamps\nin FlexCAN emulator.\n\nSigned-off-by: Matyáš Bobek <matyas.bobek@gmail.com>\nSigned-off-by: Pavel Pisa <pisa@fel.cvut.cz>\nTested-by: Pavel Pisa <pisa@fel.cvut.cz>\nReviewed-by: Bernhard Beschow <shentey@gmail.com>\nReviewed-by: Pavel Pisa <pisa@fel.cvut.cz>\n---\n hw/misc/imx6_ccm.c | 24 ++++++++++++++++++++++++\n hw/misc/trace-events | 2 ++\n include/hw/misc/imx6_ccm.h | 4 ++++\n include/hw/misc/imx_ccm.h | 1 +\n 4 files changed, 31 insertions(+)", "diff": "diff --git a/hw/misc/imx6_ccm.c b/hw/misc/imx6_ccm.c\nindex a10b67d396..45fdd0d5a8 100644\n--- a/hw/misc/imx6_ccm.c\n+++ b/hw/misc/imx6_ccm.c\n@@ -257,6 +257,15 @@ static uint64_t imx6_analog_get_pll2_clk(IMX6CCMState *dev)\n return freq;\n }\n \n+static uint64_t imx6_analog_get_pll3_clk(IMX6CCMState *dev)\n+{\n+ uint64_t freq = 480000000;\n+\n+ trace_imx6_analog_get_pll3_clk(freq);\n+\n+ return freq;\n+}\n+\n static uint64_t imx6_analog_get_pll2_pfd0_clk(IMX6CCMState *dev)\n {\n uint64_t freq = 0;\n@@ -344,6 +353,18 @@ static uint64_t imx6_ccm_get_per_clk(IMX6CCMState *dev)\n return freq;\n }\n \n+static uint64_t imx6_ccm_get_can_clk(IMX6CCMState *dev)\n+{\n+ uint64_t freq = 0;\n+\n+ freq = imx6_analog_get_pll3_clk(dev) / 8;\n+ freq /= (1 + EXTRACT(dev->ccm[CCM_CSCMR2], CAN_CLK_PODF));\n+\n+ trace_imx6_ccm_get_can_clk(freq);\n+\n+ return freq;\n+}\n+\n static uint32_t imx6_ccm_get_clock_frequency(IMXCCMState *dev, IMXClk clock)\n {\n uint32_t freq = 0;\n@@ -358,6 +379,9 @@ static uint32_t imx6_ccm_get_clock_frequency(IMXCCMState *dev, IMXClk clock)\n case CLK_IPG_HIGH:\n freq = imx6_ccm_get_per_clk(s);\n break;\n+ case CLK_CAN:\n+ freq = imx6_ccm_get_can_clk(s);\n+ break;\n case CLK_32k:\n freq = CKIL_FREQ;\n break;\ndiff --git a/hw/misc/trace-events b/hw/misc/trace-events\nindex b88accc437..99910fc068 100644\n--- a/hw/misc/trace-events\n+++ b/hw/misc/trace-events\n@@ -242,11 +242,13 @@ imx6_analog_get_periph_clk(uint32_t freq) \"freq = %u Hz\"\n imx6_analog_get_pll2_clk(uint32_t freq) \"freq = %u Hz\"\n imx6_analog_get_pll2_pfd0_clk(uint32_t freq) \"freq = %u Hz\"\n imx6_analog_get_pll2_pfd2_clk(uint32_t freq) \"freq = %u Hz\"\n+imx6_analog_get_pll3_clk(uint32_t freq) \"freq = %u Hz\"\n imx6_analog_read(const char *reg, uint32_t value) \"reg[%s] => 0x%\" PRIx32\n imx6_analog_write(const char *reg, uint32_t value) \"reg[%s] <= 0x%\" PRIx32\n imx6_ccm_get_ahb_clk(uint32_t freq) \"freq = %u Hz\"\n imx6_ccm_get_ipg_clk(uint32_t freq) \"freq = %u Hz\"\n imx6_ccm_get_per_clk(uint32_t freq) \"freq = %u Hz\"\n+imx6_ccm_get_can_clk(uint32_t freq) \"freq = %u Hz\"\n imx6_ccm_get_clock_frequency(unsigned clock, uint32_t freq) \"(Clock = %d) = %u\"\n imx6_ccm_read(const char *reg, uint32_t value) \"reg[%s] => 0x%\" PRIx32\n imx6_ccm_reset(void) \"\"\ndiff --git a/include/hw/misc/imx6_ccm.h b/include/hw/misc/imx6_ccm.h\nindex ccf46d7353..a54b940686 100644\n--- a/include/hw/misc/imx6_ccm.h\n+++ b/include/hw/misc/imx6_ccm.h\n@@ -164,6 +164,10 @@\n #define PERCLK_PODF_SHIFT (0)\n #define PERCLK_PODF_LENGTH (6)\n \n+/* CCM_CSCMR2 */\n+#define CAN_CLK_PODF_SHIFT (2)\n+#define CAN_CLK_PODF_LENGTH (6)\n+\n /* CCM_ANALOG_PFD_528 */\n #define PFD0_FRAC_SHIFT (0)\n #define PFD0_FRAC_LENGTH (6)\ndiff --git a/include/hw/misc/imx_ccm.h b/include/hw/misc/imx_ccm.h\nindex c4212d04ea..6839716ea3 100644\n--- a/include/hw/misc/imx_ccm.h\n+++ b/include/hw/misc/imx_ccm.h\n@@ -46,6 +46,7 @@ typedef enum {\n CLK_EXT,\n CLK_HIGH_DIV,\n CLK_HIGH,\n+ CLK_CAN,\n } IMXClk;\n \n struct IMXCCMClass {\n", "prefixes": [ "v3", "3/7" ] }