From patchwork Thu Jul 11 11:32:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 812429 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 10E4216C850; Thu, 11 Jul 2024 11:33:18 +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=1720697600; cv=none; b=FIzh1tjTgZhl8Vvs5QO/wJPUsjagr+bHg4rye+DudpDXn4BkWl0ceDn2DKm+5RQZZ1h8WDaDQuLPF1akFAR5Njp9EhgpSGlaoi6gi9zxLcEWidsQQY94KXHHScGHJtjWLzXgs9kUCRQVb86BYo6rp0uyLU7kU9O9C/TFbYMWFwg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720697600; c=relaxed/simple; bh=uujak06IW2UNobe/1OqOMtTsXnBMEzOJMT5IF6GThcU=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=UWPdVGbA/05C8fvSnCOuwv8l7s0jk3XuBXb4T+fF/DCCgx0fIEA7KfmCtpCmYpJ3OXBMEWNaCwg0gen6OteRCc99kltUyo2jwHpctiAJSwvlRprrgKzmwFRq7GE/5NqPqtsvwLtL6O3ObqZ7vTnKEJVr5PI9yvsGboWgI2Ag1is= 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=hSLtpbFN; 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="hSLtpbFN" Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 46B4mlXD011333; Thu, 11 Jul 2024 11:33:13 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=hSLtpbFN200qcw0/ Q/ADkiH6gFmORvgyU1N4cmlyIz/ILPNXgrGUTb+aNH8LGPLHW34FC9NO30U4ZJ28 RfyCpmFWvhsVABIgfPNvTOpaOECcMxUoqDPeXf2uTJllQv39aWJqoyilDGpfHrMR Nt69K6PDCDBafIbJKSP7Q4geEH270AgA9e8EXjNUNmPnyQaTDi/bxNWe/VUbMwV7 t9vVtU3q9iRyl05QOMKeeCinTomlU2Kdw8H37B3nymzEhobjYsM89JdvonjyI1Ke 6rRzTJi7bUBbibWMQ3f5WFCVz7NlCDfM9kgSimwtB5fd74LTL/49TNL+qnVSC8hP HbAtbw== Received: from nasanppmta04.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 409vydtf07-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 11 Jul 2024 11:33:13 +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 46BBXCQD002362 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 11 Jul 2024 11:33:12 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; Thu, 11 Jul 2024 04:33:07 -0700 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , CC: Varadarajan Narayanan Subject: [PATCH v2 3/4] clk: qcom: ipq5332: Use icc-clk for enabling NoC related clocks Date: Thu, 11 Jul 2024 17:02:38 +0530 Message-ID: <20240711113239.3063546-4-quic_varada@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240711113239.3063546-1-quic_varada@quicinc.com> References: <20240711113239.3063546-1-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: nasanex01a.na.qualcomm.com (10.52.223.231) 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-GUID: F4uaVT0dHMPY64hslBlJdpEHWUVMId6i X-Proofpoint-ORIG-GUID: F4uaVT0dHMPY64hslBlJdpEHWUVMId6i 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=2024-07-11_06,2024-07-11_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 priorityscore=1501 clxscore=1015 mlxlogscore=999 impostorscore=0 suspectscore=0 spamscore=0 adultscore=0 malwarescore=0 mlxscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2406140001 definitions=main-2407110082 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 Reviewed-by: Konrad Dybcio --- 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, }, };