From patchwork Mon Jul 24 08:38:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Komal Bajaj X-Patchwork-Id: 13323568 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 57F6DC0015E for ; Mon, 24 Jul 2023 08:39:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230509AbjGXIj1 (ORCPT ); Mon, 24 Jul 2023 04:39:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231688AbjGXIjW (ORCPT ); Mon, 24 Jul 2023 04:39:22 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 92723E76; Mon, 24 Jul 2023 01:39:21 -0700 (PDT) Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36O5g47V020734; Mon, 24 Jul 2023 08:39:18 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-transfer-encoding : content-type; s=qcppdkim1; bh=F6K60CXYccnRUPtPhfRYUjzooRfZTTopkeYZFwXQVDQ=; b=JInvDZWF2aomulkBfIGKFqavahVzzaCVc+xj71qnv2ZVBeuWUKud1IruZAWFYKTgAbOB 3mvNj0V5pP1rBDNI72mHbnJqIchL3b4CTTcT8eZDsl8ktdkwY+6VPW97dnEnw4Iacp5r 03ZfbUEU968HKA3+sUNcYHUnNSgeKj1MxPVbhSGr4TiSjcfaowdBIZ+rdmF4dLrPpRvy LOzeQaTER5KDt1yauOlh+MMjVVFiU8gp73AiWDkaE+nimU2pk7Csy5fkLEtYsvnKkT+c 3MTGGlVaOxuPXsn7IGdd2//975Ynn1b2Yq50JSMMwqwuu6mK8jTWaW/hJzONY5+uYL/I 7A== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3s06q9at0v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 24 Jul 2023 08:39:18 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36O8dHxh001989 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 24 Jul 2023 08:39:17 GMT Received: from hu-kbajaj-hyd.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Mon, 24 Jul 2023 01:39:13 -0700 From: Komal Bajaj To: , , , , , , CC: , , , Komal Bajaj Subject: [PATCH v5 1/2] dt-bindings: nvmem: sec-qfprom: Add bindings for secure qfprom Date: Mon, 24 Jul 2023 14:08:48 +0530 Message-ID: <20230724083849.8277-2-quic_kbajaj@quicinc.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230724083849.8277-1-quic_kbajaj@quicinc.com> References: <20230724083849.8277-1-quic_kbajaj@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: k2LvG51O9_QlR_Ojt4KBjvPD4Cmd7HBr X-Proofpoint-GUID: k2LvG51O9_QlR_Ojt4KBjvPD4Cmd7HBr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-24_06,2023-07-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 mlxscore=0 phishscore=0 clxscore=1015 adultscore=0 priorityscore=1501 impostorscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 bulkscore=0 mlxlogscore=759 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307240076 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This patch adds bindings for secure qfprom found in QCOM SOCs. Secure QFPROM driver is based on simple nvmem framework. Signed-off-by: Komal Bajaj --- .../bindings/nvmem/qcom,sec-qfprom.yaml | 58 +++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml -- 2.40.1 diff --git a/Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml b/Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml new file mode 100644 index 000000000000..1425ced36fdf --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/nvmem/qcom,sec-qfprom.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Technologies Inc, Secure QFPROM Efuse + +maintainers: + - Komal Bajaj + +description: | + For some of the Qualcomm SoC's, it is possible that + the qfprom region is protected from non-secure access. + In such situations, linux will have to use secure calls + to read the region. + +allOf: + - $ref: nvmem.yaml# + +properties: + compatible: + items: + - enum: + - qcom,qdu1000-sec-qfprom + - const: qcom,sec-qfprom + + reg: + items: + - description: The secure qfprom corrected region. + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + efuse@221c8000 { + compatible = "qcom,qdu1000-sec-qfprom", "qcom,sec-qfprom"; + reg = <0 0x221c8000 0 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + + multi_chan_ddr: multi-chan-ddr@12b { + reg = <0x12b 0x1>; + bits = <0 2>; + }; + }; + }; +