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[2620:137:e000::1:20]) by mx.google.com with ESMTP id h17-20020a170902f55100b001bba894ac4asi1465694plf.274.2023.07.24.03.19.11; Mon, 24 Jul 2023 03:19:24 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcppdkim1 header.b=Ouz+ZnSp; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231543AbjGXIaj (ORCPT + 99 others); Mon, 24 Jul 2023 04:30:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58818 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231601AbjGXIa1 (ORCPT ); Mon, 24 Jul 2023 04:30:27 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 33BDCE67; Mon, 24 Jul 2023 01:30:26 -0700 (PDT) Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36O7drDq006813; Mon, 24 Jul 2023 08:30:22 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=Ouz+ZnSpIDT48ZEx/yH69go3l9xoHcqugx0qLqMidtPAYTtIkKLuBke6b+PgNwu1Iehi DvQSzP0UDxlytLKaw/pJHiHIiTFmt81n/3aCBxnatvqR7kWn9+u0bF0ZliPnRd7S2cVa O6OWLjnxLClS/fW672LFDUOB3o7dC9c3EOPPOUHmeLmG5zStSKhsbE76WdecdgsaH0jo KMmSKnVoBfl6fOgGe5zL/y2Pke06ICOyxhpaANlrZIhdKovLmF05d1Yfi+H/fhdZ3oBR oxelyXC8ZVjM0OY8PsteDc1WNUkR9paen32XWbNy3VUkXShPrEoiKnlUB4vgQuPZLKNt MA== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3s07gd2rm8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 24 Jul 2023 08:30:22 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36O8ULFN023877 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 24 Jul 2023 08:30:21 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 01:30:17 -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 13:59:45 +0530 Message-ID: <20230724082946.7441-2-quic_kbajaj@quicinc.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230724082946.7441-1-quic_kbajaj@quicinc.com> References: <20230724082946.7441-1-quic_kbajaj@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) 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-GUID: riZrJ0WVnRaw3L75ziwT_ko-oWx-HHr5 X-Proofpoint-ORIG-GUID: riZrJ0WVnRaw3L75ziwT_ko-oWx-HHr5 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 lowpriorityscore=0 suspectscore=0 mlxscore=0 adultscore=0 bulkscore=0 mlxlogscore=759 spamscore=0 phishscore=0 impostorscore=0 clxscore=1015 priorityscore=1501 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307240074 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1772296676891277107 X-GMAIL-MSGID: 1772296826290598845 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>; + }; + }; + }; +