From patchwork Thu Oct 12 09:26:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 13418701 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 09272C41513 for ; Thu, 12 Oct 2023 09:27:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235649AbjJLJ1z (ORCPT ); Thu, 12 Oct 2023 05:27:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35334 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235589AbjJLJ1m (ORCPT ); Thu, 12 Oct 2023 05:27:42 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DF3B2103; Thu, 12 Oct 2023 02:27:40 -0700 (PDT) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 39C9OAcg019213; Thu, 12 Oct 2023 09:27:33 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=T/oG60Q9zeRn1XvdoFfQJ2ViE5hDmDaNlQSy1uGrojE=; b=WXvGSbxlvgnbS9eC+svcoLac6Xp/Qp6JsL2naawSy/CK97ggkX1U2qYUZTuaVmNkmCX5 mV9rV2jX54PXlxIZ8WiEPsJkhHF8yE3WW1VIZsA6ywHW1TCayKhzbfnCGRVloJfPMREe kADub9eHJrtigQ1kBHJOhZWQzw6iSTbXcTH0NVjVXrISZX3VaWe4MkjmY9EUDiY0XCjX ovQRZd6qkAYDvvVSybF/Acp9hNh2fERBKG1HavE9GxOLQJhEUHAAuTmR6eW3+dYqCA/0 ZVNEmlFhI7+m1C4J27JR7z056ZaEJVY4RDpFD8RKI5ZcJ5fV2IowTK8sdCtwUjZlH1RU Rw== Received: from nasanppmta02.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3tpe4u806p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 12 Oct 2023 09:27:33 +0000 Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 39C9RW4F026111 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 12 Oct 2023 09:27:32 GMT Received: from varda-linux.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.36; Thu, 12 Oct 2023 02:27:26 -0700 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , , CC: Varadarajan Narayanan Subject: [PATCH v2 6/8] arm64: dts: qcom: ipq5332: populate the opp table based on the eFuse Date: Thu, 12 Oct 2023 14:56:22 +0530 Message-ID: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: KlU-8tyDoY0qz7lzhh11lLWqo8MgU6xJ X-Proofpoint-GUID: KlU-8tyDoY0qz7lzhh11lLWqo8MgU6xJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-12_05,2023-10-12_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 spamscore=0 bulkscore=0 adultscore=0 mlxlogscore=947 phishscore=0 impostorscore=0 clxscore=1015 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2310120079 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org IPQ53xx have different OPPs available for the CPU based on SoC variant. This can be determined through use of an eFuse register present in the silicon. Add support to read the eFuse and populate the OPPs based on it. ------------------------------------------------ Frequency BIT2 BIT1 opp-supported-hw 1.1GHz 1.5GHz ------------------------------------------------ 1100000000 1 1 0xf 1500000000 0 1 0x3 ------------------------------------------------ Signed-off-by: Kathiravan T Signed-off-by: Varadarajan Narayanan --- v2: Fix inconsistencies in comment and move it to commit log as suggested Remove opp-microvolt entries as no regulator is managed by Linux cpu_speed_bin -> cpu-speed-bin in node name Remove "nvmem-cell-names" due to dtbs_check error --- arch/arm64/boot/dts/qcom/ipq5332.dtsi | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/ipq5332.dtsi b/arch/arm64/boot/dts/qcom/ipq5332.dtsi index 4206f05..a0dcba3 100644 --- a/arch/arm64/boot/dts/qcom/ipq5332.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq5332.dtsi @@ -91,11 +91,19 @@ }; cpu_opp_table: opp-table-cpu { - compatible = "operating-points-v2"; + compatible = "operating-points-v2-kryo-cpu"; opp-shared; + nvmem-cells = <&cpu_speed_bin>; - opp-1488000000 { - opp-hz = /bits/ 64 <1488000000>; + opp-1100000000 { + opp-hz = /bits/ 64 <1100000000>; + opp-supported-hw = <0xF>; + clock-latency-ns = <200000>; + }; + + opp-1500000000 { + opp-hz = /bits/ 64 <1500000000>; + opp-supported-hw = <0x3>; clock-latency-ns = <200000>; }; }; @@ -163,6 +171,11 @@ reg = <0x000a4000 0x721>; #address-cells = <1>; #size-cells = <1>; + + cpu_speed_bin: cpu-speed-bin@1d { + reg = <0x1d 0x2>; + bits = <7 2>; + }; }; rng: rng@e3000 {