From patchwork Wed Jun 19 22:41:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sagar Cheluvegowda X-Patchwork-Id: 13704674 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 DE7D415B128; Wed, 19 Jun 2024 22:42:08 +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=1718836930; cv=none; b=QaK43oROnjb1gqI5Ix010+4Ld2RENwlt/OJg7p7vbkzh/fLB1aSX5vQytsQ4kyiqo+cjWeSUwpa1IMQHoOolRP70tlvqa+u44oiQmOs4eSix3Halh1OE7/lPZsvs3PW04rl5kkeNTEIpIqjtOtX0TGpsG+Ya5X6YKnmuCqYXdRM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718836930; c=relaxed/simple; bh=NbLmnPZolDV6xbJIsOgsyWa+Gr4eZ+QNM+e8FgQ/PXE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=DaGoOzjn0LAnI3MOuuKXlfJTf/XPXTxYOtkupnoY8vIRphF7Ppi63nvDHrVakiHzTyhn3oQLMyeGZ6IAW/FbdkJ7ejsfLRMdRuHCFTwQRKtZmdcU6n+zExQzuHMJuPtBRJ8uPM8yHMEhG9rBda5688K2cdVYlHCdwGmYNLeJT4I= 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=DSMn3vrB; 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="DSMn3vrB" Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 45JEwP8w025323; Wed, 19 Jun 2024 22:41:42 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= SVBosD0cckDDDukS9FRgBe5KOHuw90QrGmNULCbI7Ig=; b=DSMn3vrBPlN8x8dG kzv4PInqwET2pJsy7mkHqw33wJaxFeU4RWjvqMqiinYcSF5Zvr6fAt0oyGsXOdOg /FirBeuUHJGeQIbnK5i0OSlFDX4Bd+NkgoCKbT6GBkL3ORBwEQlEIXm5heBcbLDW cDEErZYXb+dqp/6ji8eHkktvj8q4EOKHE4xwqTdY6IQFC5ckdnHdy3LF9mhNYe/7 qrXaqkB46ZywKXLHma9Y78hYEozyGuHzspg3sVM1nNN6ElG0ub4AC+6WtZv0zIDC yFpqBS3lWt8v2PjZTEQKt5vQZLumkKNabuyur7VNAP3av3cBb+vj4LgQDSkhiaQ6 Mblhaw== Received: from nasanppmta03.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3yv1j90ugq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 19 Jun 2024 22:41:41 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA03.qualcomm.com (8.17.1.19/8.17.1.19) with ESMTPS id 45JMfePc014344 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 19 Jun 2024 22:41:40 GMT Received: from hu-scheluve-lv.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; Wed, 19 Jun 2024 15:41:37 -0700 From: Sagar Cheluvegowda Date: Wed, 19 Jun 2024 15:41:29 -0700 Subject: [PATCH 1/3] net: stmmac: Add interconnect support in qcom-ethqos driver Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240619-icc_bw_voting_from_ethqos-v1-1-6112948b825e@quicinc.com> References: <20240619-icc_bw_voting_from_ethqos-v1-0-6112948b825e@quicinc.com> In-Reply-To: <20240619-icc_bw_voting_from_ethqos-v1-0-6112948b825e@quicinc.com> To: Vinod Koul , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , "Jakub Kicinski" , Paolo Abeni , Maxime Coquelin , Russell King , "Rob Herring" , Krzysztof Kozlowski , "Conor Dooley" , Bhupesh Sharma CC: , Andrew Halaney , , , , , , , Sagar Cheluvegowda X-Mailer: b4 0.13.0 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-ORIG-GUID: duFoa2E8woNImEbeTdxGkeC2A237LtLj X-Proofpoint-GUID: duFoa2E8woNImEbeTdxGkeC2A237LtLj 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=2024-06-19_02,2024-06-19_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 impostorscore=0 bulkscore=0 suspectscore=0 mlxlogscore=999 lowpriorityscore=0 priorityscore=1501 phishscore=0 mlxscore=0 adultscore=0 clxscore=1015 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406190170 Add interconnect support in qcom-ethqos driver to vote for bus bandwidth based on the current speed of the driver. This change adds support for two different paths - one from ethernet to DDR and the other from Apps to ethernet. Vote from each interconnect client is aggregated and the on-chip interconnect hardware is configured to the most appropriate bandwidth profile. Signed-off-by: Sagar Cheluvegowda --- .../net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c index e254b21fdb59..682e68f37dbd 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c @@ -7,6 +7,7 @@ #include #include #include +#include #include "stmmac.h" #include "stmmac_platform.h" @@ -113,6 +114,9 @@ struct qcom_ethqos { unsigned int num_por; bool rgmii_config_loopback_en; bool has_emac_ge_3; + + struct icc_path *axi_icc_path; + struct icc_path *ahb_icc_path; }; static int rgmii_readl(struct qcom_ethqos *ethqos, unsigned int offset) @@ -668,12 +672,19 @@ static int ethqos_configure(struct qcom_ethqos *ethqos) return ethqos->configure_func(ethqos); } +static void ethqos_set_icc_bw(struct qcom_ethqos *ethqos, unsigned int speed) +{ + icc_set_bw(ethqos->axi_icc_path, Mbps_to_icc(speed), Mbps_to_icc(speed)); + icc_set_bw(ethqos->ahb_icc_path, Mbps_to_icc(speed), Mbps_to_icc(speed)); +} + static void ethqos_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode) { struct qcom_ethqos *ethqos = priv; ethqos->speed = speed; ethqos_update_link_clk(ethqos, speed); + ethqos_set_icc_bw(ethqos, speed); ethqos_configure(ethqos); } @@ -813,6 +824,14 @@ static int qcom_ethqos_probe(struct platform_device *pdev) return dev_err_probe(dev, PTR_ERR(ethqos->link_clk), "Failed to get link_clk\n"); + ethqos->axi_icc_path = devm_of_icc_get(dev, "axi_icc_path"); + if (IS_ERR(ethqos->axi_icc_path)) + return PTR_ERR(ethqos->axi_icc_path); + + ethqos->ahb_icc_path = devm_of_icc_get(dev, "ahb_icc_path"); + if (IS_ERR(ethqos->axi_icc_path)) + return PTR_ERR(ethqos->axi_icc_path); + ret = ethqos_clks_config(ethqos, true); if (ret) return ret; From patchwork Wed Jun 19 22:41:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sagar Cheluvegowda X-Patchwork-Id: 13704675 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 D556D15B126; 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Wed, 19 Jun 2024 22:41:42 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA05.qualcomm.com (8.17.1.19/8.17.1.19) with ESMTPS id 45JMff4n024661 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 19 Jun 2024 22:41:41 GMT Received: from hu-scheluve-lv.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; Wed, 19 Jun 2024 15:41:38 -0700 From: Sagar Cheluvegowda Date: Wed, 19 Jun 2024 15:41:30 -0700 Subject: [PATCH 2/3] net: stmmac: Bring down the clocks to lower frequencies when mac link goes down Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240619-icc_bw_voting_from_ethqos-v1-2-6112948b825e@quicinc.com> References: <20240619-icc_bw_voting_from_ethqos-v1-0-6112948b825e@quicinc.com> In-Reply-To: <20240619-icc_bw_voting_from_ethqos-v1-0-6112948b825e@quicinc.com> To: Vinod Koul , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , "Jakub Kicinski" , Paolo Abeni , Maxime Coquelin , Russell King , "Rob Herring" , Krzysztof Kozlowski , "Conor Dooley" , Bhupesh Sharma CC: , Andrew Halaney , , , , , , , Sagar Cheluvegowda X-Mailer: b4 0.13.0 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-ORIG-GUID: rtZMbwd5GG4e4AOekBViDzMnvDFIDVi9 X-Proofpoint-GUID: rtZMbwd5GG4e4AOekBViDzMnvDFIDVi9 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=2024-06-19_02,2024-06-19_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 clxscore=1015 priorityscore=1501 mlxlogscore=986 malwarescore=0 lowpriorityscore=0 mlxscore=0 bulkscore=0 impostorscore=0 spamscore=0 phishscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406190171 When mac link goes down we don't need to mainitain the clocks to operate at higher frequencies, as an optimized solution to save power when the link goes down we are trying to bring down the clocks to the frequencies corresponding to the lowest speed possible. Signed-off-by: Sagar Cheluvegowda --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index b3afc7cb7d72..bfb201a4b885 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -990,6 +990,9 @@ static void stmmac_mac_link_down(struct phylink_config *config, { struct stmmac_priv *priv = netdev_priv(to_net_dev(config->dev)); + if (priv->plat->fix_mac_speed) + priv->plat->fix_mac_speed(priv->plat->bsp_priv, SPEED_10, mode); + stmmac_mac_set(priv, priv->ioaddr, false); priv->eee_active = false; priv->tx_lpi_enabled = false; From patchwork Wed Jun 19 22:41:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sagar Cheluvegowda X-Patchwork-Id: 13704672 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 CF25515B124; Wed, 19 Jun 2024 22:42:08 +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=1718836930; cv=none; b=rctQ84QIuWv66YCk0gl0fGUETbc218zKZnrcnyuH1Kx7bOgbATmrJoG8ufjLF5H+EIlW0gUaTOz+AtM9espTzW/spSK6LnmEsvILtTr4ouFRrhT85NUTy3aZJ1O6jfI412ppx0O1igSc1fqQfUpZn8Supw/7ekZmHHbuBhQBKLg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718836930; c=relaxed/simple; bh=TbHOR0zbg7scLuKEPfzBHnPdDmeJnsludSxI3yDFhzY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=Ya2Bk7mwqBZ4a2bbpbsVGZHkBnzN1KDMC29sSYp9SBdZoabpofUSosnR0HFhLGd3gldEFFlXsUkBJ5mM0M++WRfHVCgoHu9N5iExIh1fAQWRfF/1K1NY29gADJknXtp+EDwOziOJ2PQKWAKJZUz4YKkQvt0yJvSS+hUUykffk+8= 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=c5Of4Bcj; 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="c5Of4Bcj" Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 45JEwQ3P025329; Wed, 19 Jun 2024 22:41:43 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= HB3BJ7XsEga/hLK66KM+ubJJlfvlPg4hyEJkE7XFUy4=; b=c5Of4BcjIMLFNi8G fZP82dCcYAzfmEexwfrqJxjaLHuu0n92wiUqEhiDwKLI1xtXFnKsaNutqdE7cZC+ 0UpyWdyUl3iYEUDjCYWSdGhUeZsz+gyMhbr4GBT6YKNB2zFK5qkUGoqqbTbRY0+5 3zTMANg+/WzXOPOIBvqwp3YeD08KF6vakKHFJgGu3K7VAC+RotZ97UkQnzkj7lDF 3uF5s2VwRDZ8RjAaGKBbtCxSHkM8OkRN5FxmYH4s3K38ylfJ19Asds0m6ZC49EqM e/GdOvyzhCkaQLbNorQy8UK40RVa5CYa7iqnTG+1VFPNi+yNlVIc+oYcg7KVoR4R zgb1PQ== Received: from nasanppmta02.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3yv1j90ugr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 19 Jun 2024 22:41:42 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA02.qualcomm.com (8.17.1.19/8.17.1.19) with ESMTPS id 45JMffFs030557 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 19 Jun 2024 22:41:41 GMT Received: from hu-scheluve-lv.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; Wed, 19 Jun 2024 15:41:38 -0700 From: Sagar Cheluvegowda Date: Wed, 19 Jun 2024 15:41:31 -0700 Subject: [PATCH 3/3] dt-bindings: net: qcom: ethernet: Add interconnect properties Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240619-icc_bw_voting_from_ethqos-v1-3-6112948b825e@quicinc.com> References: <20240619-icc_bw_voting_from_ethqos-v1-0-6112948b825e@quicinc.com> In-Reply-To: <20240619-icc_bw_voting_from_ethqos-v1-0-6112948b825e@quicinc.com> To: Vinod Koul , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , "Jakub Kicinski" , Paolo Abeni , Maxime Coquelin , Russell King , "Rob Herring" , Krzysztof Kozlowski , "Conor Dooley" , Bhupesh Sharma CC: , Andrew Halaney , , , , , , , Sagar Cheluvegowda X-Mailer: b4 0.13.0 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-ORIG-GUID: YPdczb-eATxKj5HzdKWWokaDqHYLggko X-Proofpoint-GUID: YPdczb-eATxKj5HzdKWWokaDqHYLggko 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=2024-06-19_02,2024-06-19_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 impostorscore=0 bulkscore=0 suspectscore=0 mlxlogscore=959 lowpriorityscore=0 priorityscore=1501 phishscore=0 mlxscore=0 adultscore=0 clxscore=1015 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406190170 Add documentation for the interconnect and interconnect-names properties required when voting for AHB and AXI buses. Signed-off-by: Sagar Cheluvegowda --- Documentation/devicetree/bindings/net/qcom,ethqos.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/net/qcom,ethqos.yaml b/Documentation/devicetree/bindings/net/qcom,ethqos.yaml index 6672327358bc..bf2a197342a5 100644 --- a/Documentation/devicetree/bindings/net/qcom,ethqos.yaml +++ b/Documentation/devicetree/bindings/net/qcom,ethqos.yaml @@ -63,6 +63,14 @@ properties: dma-coherent: true + interconnects: + maxItems: 2 + + interconnect-names: + items: + - const: axi_icc_path + - const: ahb_icc_path + phys: true phy-names: