From patchwork Tue May 3 10:59:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chanho Park X-Patchwork-Id: 12835631 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 219B3C4167B for ; Tue, 3 May 2022 10:58:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234549AbiECLB3 (ORCPT ); Tue, 3 May 2022 07:01:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39348 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234489AbiECLBX (ORCPT ); Tue, 3 May 2022 07:01:23 -0400 Received: from mailout4.samsung.com (mailout4.samsung.com [203.254.224.34]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CA1333152A for ; Tue, 3 May 2022 03:57:37 -0700 (PDT) Received: from epcas2p1.samsung.com (unknown [182.195.41.53]) by mailout4.samsung.com (KnoxPortal) with ESMTP id 20220503105732epoutp04ce59e8e78ece2ce603d17cf277b096cc~rkx_MS4vw1413414134epoutp04P for ; Tue, 3 May 2022 10:57:32 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout4.samsung.com 20220503105732epoutp04ce59e8e78ece2ce603d17cf277b096cc~rkx_MS4vw1413414134epoutp04P DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1651575452; bh=T7CVS9r67GFR6/T7eHLQLhUpvYf8L09khe8ej5bUJlM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vQRZl5eE1PkNa2G9xWN8fb2w6OQou/uwZkYiqX9co3KeeUufrFRqQLe3TyuAq5aAZ 22hBvtBaCnHOVdBtbc0JHqmo2tjalh2olQMXGwxQGiaO8/yU689jETtHVSSIBU5fQ/ dk/fMLecPHOJqv+OoP08jT2bm/5qHHJvVUapH2jY= Received: from epsnrtp2.localdomain (unknown [182.195.42.163]) by epcas2p4.samsung.com (KnoxPortal) with ESMTP id 20220503105731epcas2p4a70635da03774ccf4a525f65c9f1af91~rkx9tHSB51759317593epcas2p4U; Tue, 3 May 2022 10:57:31 +0000 (GMT) Received: from epsmges2p2.samsung.com (unknown [182.195.36.68]) by epsnrtp2.localdomain (Postfix) with ESMTP id 4KsxkL19RZz4x9Pv; Tue, 3 May 2022 10:57:30 +0000 (GMT) Received: from epcas2p1.samsung.com ( [182.195.41.53]) by epsmges2p2.samsung.com (Symantec Messaging Gateway) with SMTP id 68.DA.09764.A9A01726; Tue, 3 May 2022 19:57:30 +0900 (KST) Received: from epsmtrp1.samsung.com (unknown [182.195.40.13]) by epcas2p1.samsung.com (KnoxPortal) with ESMTPA id 20220503105729epcas2p10749080bcb9da2348edb8fd639d18640~rkx73PNv_1880618806epcas2p1T; Tue, 3 May 2022 10:57:29 +0000 (GMT) Received: from epsmgms1p2.samsung.com (unknown [182.195.42.42]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20220503105729epsmtrp18e6b37577f8533547bdc6e17142695e2~rkx70cCgt0279502795epsmtrp1e; Tue, 3 May 2022 10:57:29 +0000 (GMT) X-AuditID: b6c32a46-f8bff70000002624-30-62710a9ab46d Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p2.samsung.com (Symantec Messaging Gateway) with SMTP id 68.A3.08924.99A01726; Tue, 3 May 2022 19:57:29 +0900 (KST) Received: from localhost.localdomain (unknown [10.229.9.51]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20220503105729epsmtip2c83b418e837c86d3f0a91d12abf63096~rkx7pMbsE1109211092epsmtip2D; Tue, 3 May 2022 10:57:29 +0000 (GMT) From: Chanho Park To: Sylwester Nawrocki , Tomasz Figa , Chanwoo Choi , Alim Akhtar , Michael Turquette , Stephen Boyd , Krzysztof Kozlowski , Rob Herring , Krzysztof Kozlowski Cc: Sam Protsenko , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Chanho Park Subject: [PATCH v2 04/12] clk: samsung: exynosautov9: add cmu_core clock support Date: Tue, 3 May 2022 19:59:06 +0900 Message-Id: <20220503105914.117625-5-chanho61.park@samsung.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220503105914.117625-1-chanho61.park@samsung.com> MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrEJsWRmVeSWpSXmKPExsWy7bCmqe4srsIkg45nbBYP5m1js7i8X9vi +pfnrBbzj5xjteh78ZDZYu/rrewWH3vusVrMOL+PyeLiKVeL1r1H2C0Ov2lntfh3bSOLxfM+ oPiqXX8YHfg83t9oZffYOesuu8emVZ1sHneu7WHz6NuyitHj8ya5ALaobJuM1MSU1CKF1Lzk /JTMvHRbJe/geOd4UzMDQ11DSwtzJYW8xNxUWyUXnwBdt8wcoGOVFMoSc0qBQgGJxcVK+nY2 RfmlJakKGfnFJbZKqQUpOQXmBXrFibnFpXnpenmpJVaGBgZGpkCFCdkZ3U92sBdMU6qY2LuC pYFxi2wXIyeHhICJxLcjR9m7GLk4hAR2MEqc/XmFFcL5xCix8eVSFgjnM6PE0oUgZRAtnR9f MYLYQgK7GCWOr62FKPrIKNHSfREswSagK7HlOUgRF4eIQBezxMW+e2CjmAW2AnXcmMUEUiUs ECSxdVYbM4jNIqAqMevJbTCbV8BeYuG3i0A2B9A6eYl/i0NBwpwCDhLXd51jgigRlDg58wkL iM0MVNK8dTYzyHwJgbkcEh0XJ7JBnOoicfToC6izhSVeHd8CZUtJvOxvg7KLJZbO+sQE0dzA KHF52y+oZmOJWc/aGUGOYBbQlFi/Sx/iHmWJI7eg9vJJdBz+yw4R5pXoaBOCaFSXOLB9OguE LSvRPeczK0SJh8SzV7GQsJrMKPH6yU7mCYwKs5B8MwvJN7MQ9i5gZF7FKJZaUJybnlpsVGAE j+Hk/NxNjODEq+W2g3HK2w96hxiZOBgPMUpwMCuJ8DovLUgS4k1JrKxKLcqPLyrNSS0+xGgK DOqJzFKiyfnA1J9XEm9oYmlgYmZmaG5kamCuJM7rlbIhUUggPbEkNTs1tSC1CKaPiYNTqoFJ jUNI5sPfApkLrObr7J7+My1oVNd9dmh94b9FqmpzPbZZvzkqo8W3LKHU5oh0xI39r2eYqGod Y4to59dmPmfJGnKldNJOP6XGpodL7jFMMl0wZbG9rI5B6rpqheur107Kelw68cJJBb+4RwXT XX42bBcw/vwibfsbB6elR55sczVjS1ZVVsswefPD4yL3iZ1+L+TXs5RsXv4/2G+f0fzyJ8rH swscV6U7zZ/VZPbgWlzA/xOVGXsWr2hNl7s093pJS+eUWgeNr6IVomuKj183TlJ+E7xWPLpr mpjzhE2PNm7wnJripme8b0pe/MfX03KftWowmBaVrJ6Zt21VwOVpKpZMHeymz3vnc8vs/WCk xFKckWioxVxUnAgAt1uIP0UEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrHLMWRmVeSWpSXmKPExsWy7bCSvO5MrsIkg9vnpS0ezNvGZnF5v7bF 9S/PWS3mHznHatH34iGzxd7XW9ktPvbcY7WYcX4fk8XFU64WrXuPsFscftPOavHv2kYWi+d9 QPFVu/4wOvB5vL/Ryu6xc9Zddo9NqzrZPO5c28Pm0bdlFaPH501yAWxRXDYpqTmZZalF+nYJ XBndT3awF0xTqpjYu4KlgXGLbBcjJ4eEgIlE58dXjF2MXBxCAjsYJW6ePswOkZCVePZuB5Qt LHG/5QgrRNF7RomdjzrZQBJsAroSW55DdIsITGCWeHPlAzuIwyywk1HizqtTYFXCAgESa77f YgaxWQRUJWY9uQ1m8wrYSyz8dhHI5gBaIS/xb3EoSJhTwEHi+q5zTCC2EFDJzr/bocoFJU7O fMICYjMDlTdvnc08gVFgFpLULCSpBYxMqxglUwuKc9Nziw0LjPJSy/WKE3OLS/PS9ZLzczcx gqNES2sH455VH/QOMTJxMB5ilOBgVhLhdV5akCTEm5JYWZValB9fVJqTWnyIUZqDRUmc90LX yXghgfTEktTs1NSC1CKYLBMHp1QDU54eU2DOxiVLj8pPzjmzSJvpisSV1dsKai8ryH5Vs99R vTqrfbfehbvbfgRW9+YtXxk4UysgS+vHlJMVqyTYu4+pxJpOCLrOezPreuCDcCuzIz7bV/bW vo3+yDxLtiXA13mhpOnHUvtmC/EZR9Uvpd6+Uj+hN33qZKvFZsfOzn/6JTG+8uK7ncsPZv8p rkkMeRkwdfPU82/PHGDoevBi2/FpO2N1TLJlpt5LC35dzpKuqrD22vSeixLrFNZIH1ihx7jF /upfr0k5l81sXP65LTQTWn7AsDmwaqZTjGRhwUq3DTInPwmUeak532UXrOa9qRd65ritNLP6 POeJKseZf936J3vr744eZYHgtUUSfUosxRmJhlrMRcWJACaJYewBAwAA X-CMS-MailID: 20220503105729epcas2p10749080bcb9da2348edb8fd639d18640 X-Msg-Generator: CA X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20220503105729epcas2p10749080bcb9da2348edb8fd639d18640 References: <20220503105914.117625-1-chanho61.park@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add CMU_CORE clock which represents Core BUS clocks. The source clocks of this CMU block are oscclk or dout_clkcmu_core_bus. Thus, two source clocks should be provided via device tree. All the gate clocks are defined as CLK_IS_CRITICAL because they control(gate/ungate) core bus clocks but not been assigned to any drivers. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Chanho Park --- drivers/clk/samsung/clk-exynosautov9.c | 92 ++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) diff --git a/drivers/clk/samsung/clk-exynosautov9.c b/drivers/clk/samsung/clk-exynosautov9.c index 96c6c9dbc995..984ecba83e42 100644 --- a/drivers/clk/samsung/clk-exynosautov9.c +++ b/drivers/clk/samsung/clk-exynosautov9.c @@ -956,3 +956,95 @@ static void __init exynosautov9_cmu_top_init(struct device_node *np) /* Register CMU_TOP early, as it's a dependency for other early domains */ CLK_OF_DECLARE(exynosautov9_cmu_top, "samsung,exynosautov9-cmu-top", exynosautov9_cmu_top_init); + +/* ---- CMU_CORE ----------------------------------------------------------- */ + +/* Register Offset definitions for CMU_CORE (0x1b030000) */ +#define PLL_CON0_MUX_CLKCMU_CORE_BUS_USER 0x0600 +#define CLK_CON_MUX_MUX_CORE_CMUREF 0x1000 +#define CLK_CON_DIV_DIV_CLK_CORE_BUSP 0x1800 +#define CLK_CON_GAT_CLK_BLK_CORE_UID_CCI_IPCLKPORT_CLK 0x2000 +#define CLK_CON_GAT_CLK_BLK_CORE_UID_CCI_IPCLKPORT_PCLK 0x2004 +#define CLK_CON_GAT_CLK_BLK_CORE_UID_CORE_CMU_CORE_IPCLKPORT_PCLK 0x2008 + +static const unsigned long core_clk_regs[] __initconst = { + PLL_CON0_MUX_CLKCMU_CORE_BUS_USER, + CLK_CON_MUX_MUX_CORE_CMUREF, + CLK_CON_DIV_DIV_CLK_CORE_BUSP, + CLK_CON_GAT_CLK_BLK_CORE_UID_CCI_IPCLKPORT_CLK, + CLK_CON_GAT_CLK_BLK_CORE_UID_CCI_IPCLKPORT_PCLK, + CLK_CON_GAT_CLK_BLK_CORE_UID_CORE_CMU_CORE_IPCLKPORT_PCLK, +}; + +/* List of parent clocks for Muxes in CMU_CORE */ +PNAME(mout_core_bus_user_p) = { "oscclk", "dout_clkcmu_core_bus" }; + +static const struct samsung_mux_clock core_mux_clks[] __initconst = { + MUX(CLK_MOUT_CORE_BUS_USER, "mout_core_bus_user", mout_core_bus_user_p, + PLL_CON0_MUX_CLKCMU_CORE_BUS_USER, 4, 1), +}; + +static const struct samsung_div_clock core_div_clks[] __initconst = { + DIV(CLK_DOUT_CORE_BUSP, "dout_core_busp", "mout_core_bus_user", + CLK_CON_DIV_DIV_CLK_CORE_BUSP, 0, 3), +}; + +static const struct samsung_gate_clock core_gate_clks[] __initconst = { + GATE(CLK_GOUT_CORE_CCI_CLK, "gout_core_cci_clk", "mout_core_bus_user", + CLK_CON_GAT_CLK_BLK_CORE_UID_CCI_IPCLKPORT_CLK, 21, + CLK_IS_CRITICAL, 0), + GATE(CLK_GOUT_CORE_CCI_PCLK, "gout_core_cci_pclk", "dout_core_busp", + CLK_CON_GAT_CLK_BLK_CORE_UID_CCI_IPCLKPORT_PCLK, 21, + CLK_IS_CRITICAL, 0), + GATE(CLK_GOUT_CORE_CMU_CORE_PCLK, "gout_core_cmu_core_pclk", + "dout_core_busp", + CLK_CON_GAT_CLK_BLK_CORE_UID_CORE_CMU_CORE_IPCLKPORT_PCLK, 21, + CLK_IS_CRITICAL, 0), +}; + +static const struct samsung_cmu_info core_cmu_info __initconst = { + .mux_clks = core_mux_clks, + .nr_mux_clks = ARRAY_SIZE(core_mux_clks), + .div_clks = core_div_clks, + .nr_div_clks = ARRAY_SIZE(core_div_clks), + .gate_clks = core_gate_clks, + .nr_gate_clks = ARRAY_SIZE(core_gate_clks), + .nr_clk_ids = CORE_NR_CLK, + .clk_regs = core_clk_regs, + .nr_clk_regs = ARRAY_SIZE(core_clk_regs), + .clk_name = "dout_clkcmu_core_bus", +}; + +static int __init exynosautov9_cmu_probe(struct platform_device *pdev) +{ + const struct samsung_cmu_info *info; + struct device *dev = &pdev->dev; + + info = of_device_get_match_data(dev); + exynos_arm64_register_cmu(dev, dev->of_node, info); + + return 0; +} + +static const struct of_device_id exynosautov9_cmu_of_match[] = { + { + .compatible = "samsung,exynosautov9-cmu-core", + .data = &core_cmu_info, + }, { + }, +}; + +static struct platform_driver exynosautov9_cmu_driver __refdata = { + .driver = { + .name = "exynosautov9-cmu", + .of_match_table = exynosautov9_cmu_of_match, + .suppress_bind_attrs = true, + }, + .probe = exynosautov9_cmu_probe, +}; + +static int __init exynosautov9_cmu_init(void) +{ + return platform_driver_register(&exynosautov9_cmu_driver); +} +core_initcall(exynosautov9_cmu_init);