From patchwork Tue Jul 9 06:39:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 812222 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 A7B8712D1FA; Tue, 9 Jul 2024 06:40:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720507234; cv=none; b=Cli+iCVxIdVaYwGnRnXcLUCambphRvfvqgIOhxTZlUK3U1F6isbJQFBANj46B5CZcX7NZvRVM21A2W3tZbPZGK4XBUQ4FSCX2KOQ9wvom+MTJ3srI06RPd3JJ3vZk70tqyb1JDfCEKtuAPEXM0E281G7rDEU32bABZiCKAlU9FY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720507234; c=relaxed/simple; bh=uujak06IW2UNobe/1OqOMtTsXnBMEzOJMT5IF6GThcU=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=qAFnJr8tjtvDQsGHcy2Su4FXADR23TRCQxhI4Z+STEgyxYKNF9PhZ733/n2hHUO5rjiNj+Zy0+XeGu+XLsUGkjw404Qe0lhvD6iPIXWBg5sB4/VvM54fxYPevIeQgEkFCzJIx0IFm39A5SagMf/4R4W94oRA1Zd8MbZCz9YRsTc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=nkQLuIRe; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="nkQLuIRe" Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 468MKMF5000592; Tue, 9 Jul 2024 06:40:27 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= ZYLzcmzX3o/k7Zf96ncBXksU+pTLMTaMVKDEr1/C+Yw=; b=nkQLuIRexNHN5x/c M8F/Fy/sokFuUIj6VjkFPRKmf/tqCCvA5t0bzZTuT54rFwwBT0WdrMTthYiGEaW7 XWwVryKlyEOAIqSYKxp6QQ2gvuRJv9VL6Z1jUEbLB4/vfKcVtu3DOvN/cNEiOa2F QG/gGU7655xyue6Q77PSBSFpyy/bf2wjOflNLUEnOMr84sK1sVAjPhUbvDoOl5s7 HTmlFF1i91edgMwbCAArs1wMZKYqWWUEECwnNaRE6hRiFJawHF+KVz9FjdDbxSzB yv6/IcxIPCW0CIKesvmE5YUECdzfG4HCH6T4q3nKTfc2oA2OtZMsYKExo+OL49tE RzBsNg== Received: from nasanppmta04.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 406wjn5rxa-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 09 Jul 2024 06:40:27 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA04.qualcomm.com (8.17.1.19/8.17.1.19) with ESMTPS id 4696eHdD022927 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 9 Jul 2024 06:40:17 GMT Received: from hu-varada-blr.qualcomm.com (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Mon, 8 Jul 2024 23:40:12 -0700 From: Varadarajan Narayanan To: , , , , , , , , , , , , CC: Varadarajan Narayanan Subject: [PATCH v1 2/3] clk: qcom: ipq5332: Use icc-clk for enabling NoC related clocks Date: Tue, 9 Jul 2024 12:09:47 +0530 Message-ID: <20240709063949.4127310-3-quic_varada@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240709063949.4127310-1-quic_varada@quicinc.com> References: <20240709063949.4127310-1-quic_varada@quicinc.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: Jur4ZDXIQuS8Gf2MMqrj0ZEIKNcxPrum X-Proofpoint-GUID: Jur4ZDXIQuS8Gf2MMqrj0ZEIKNcxPrum X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-07-08_15,2024-07-08_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 clxscore=1011 mlxscore=0 adultscore=0 lowpriorityscore=0 suspectscore=0 priorityscore=1501 phishscore=0 malwarescore=0 bulkscore=0 impostorscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2406140001 definitions=main-2407090044 Use the icc-clk framework to enable few clocks to be able to create paths and use the peripherals connected on those NoCs. Signed-off-by: Varadarajan Narayanan --- drivers/clk/qcom/gcc-ipq5332.c | 36 +++++++++++++++++++++++++++++----- 1 file changed, 31 insertions(+), 5 deletions(-) diff --git a/drivers/clk/qcom/gcc-ipq5332.c b/drivers/clk/qcom/gcc-ipq5332.c index f98591148a97..6d7672cae0f7 100644 --- a/drivers/clk/qcom/gcc-ipq5332.c +++ b/drivers/clk/qcom/gcc-ipq5332.c @@ -4,12 +4,14 @@ */ #include +#include #include #include #include #include #include +#include #include "clk-alpha-pll.h" #include "clk-branch.h" @@ -131,12 +133,14 @@ static struct clk_alpha_pll gpll4_main = { * (will be added soon), so the clock framework * disables this source. But some of the clocks * initialized by boot loaders uses this source. So we - * need to keep this clock ON. Add the - * CLK_IGNORE_UNUSED flag so the clock will not be - * disabled. Once the consumer in kernel is added, we - * can get rid of this flag. + * need to keep this clock ON. + * + * After initial bootup, when the ICC framework turns + * off unused paths, as part of the icc-clk dependencies + * this clock gets disabled resulting in a hang. Marking + * it as critical to ensure it is not turned off. */ - .flags = CLK_IGNORE_UNUSED, + .flags = CLK_IS_CRITICAL, }, }, }; @@ -3628,6 +3632,24 @@ static const struct qcom_reset_map gcc_ipq5332_resets[] = { [GCC_UNIPHY1_XPCS_ARES] = { 0x16060 }, }; +#define IPQ_APPS_ID 5332 /* some unique value */ + +static struct qcom_icc_hws_data icc_ipq5332_hws[] = { + { MASTER_SNOC_PCIE3_1_M, SLAVE_SNOC_PCIE3_1_M, GCC_SNOC_PCIE3_1LANE_M_CLK }, + { MASTER_ANOC_PCIE3_1_S, SLAVE_ANOC_PCIE3_1_S, GCC_SNOC_PCIE3_1LANE_S_CLK }, + { MASTER_SNOC_PCIE3_2_M, SLAVE_SNOC_PCIE3_2_M, GCC_SNOC_PCIE3_2LANE_M_CLK }, + { MASTER_ANOC_PCIE3_2_S, SLAVE_ANOC_PCIE3_2_S, GCC_SNOC_PCIE3_2LANE_S_CLK }, + { MASTER_SNOC_USB, SLAVE_SNOC_USB, GCC_SNOC_USB_CLK }, + { MASTER_NSSNOC_NSSCC, SLAVE_NSSNOC_NSSCC, GCC_NSSNOC_NSSCC_CLK }, + { MASTER_NSSNOC_SNOC_0, SLAVE_NSSNOC_SNOC_0, GCC_NSSNOC_SNOC_CLK }, + { MASTER_NSSNOC_SNOC_1, SLAVE_NSSNOC_SNOC_1, GCC_NSSNOC_SNOC_1_CLK }, + { MASTER_NSSNOC_ATB, SLAVE_NSSNOC_ATB, GCC_NSSNOC_ATB_CLK }, + { MASTER_NSSNOC_PCNOC_1, SLAVE_NSSNOC_PCNOC_1, GCC_NSSNOC_PCNOC_1_CLK }, + { MASTER_NSSNOC_QOSGEN_REF, SLAVE_NSSNOC_QOSGEN_REF, GCC_NSSNOC_QOSGEN_REF_CLK }, + { MASTER_NSSNOC_TIMEOUT_REF, SLAVE_NSSNOC_TIMEOUT_REF, GCC_NSSNOC_TIMEOUT_REF_CLK }, + { MASTER_NSSNOC_XO_DCD, SLAVE_NSSNOC_XO_DCD, GCC_NSSNOC_XO_DCD_CLK }, +}; + static const struct regmap_config gcc_ipq5332_regmap_config = { .reg_bits = 32, .reg_stride = 4, @@ -3656,6 +3678,9 @@ static const struct qcom_cc_desc gcc_ipq5332_desc = { .num_resets = ARRAY_SIZE(gcc_ipq5332_resets), .clk_hws = gcc_ipq5332_hws, .num_clk_hws = ARRAY_SIZE(gcc_ipq5332_hws), + .icc_hws = icc_ipq5332_hws, + .num_icc_hws = ARRAY_SIZE(icc_ipq5332_hws), + .icc_first_node_id = IPQ_APPS_ID, }; static int gcc_ipq5332_probe(struct platform_device *pdev) @@ -3674,6 +3699,7 @@ static struct platform_driver gcc_ipq5332_driver = { .driver = { .name = "gcc-ipq5332", .of_match_table = gcc_ipq5332_match_table, + .sync_state = icc_sync_state, }, };