From patchwork Wed Jan 8 05:58:38 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 13930143 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A5900E77199 for ; Wed, 8 Jan 2025 05:59:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=VrOI0J1JTw9ofDO3JqM9d/Fe5QBCaq658o3ScTMa+tc=; b=AaWNFuZqwE6/Ji km4aJV04hiiyCmPBl/aLup4t3eV6h5Z5fEr2qd/uYNSdWiU0ToUHYYzSqWLIs5VeJK4Mvi+qOEc5c Pl3acxHEMBbc6zIR0bORIU8iPg8Z8tO9curwiJ4p7c3Jsn7TBFUKX+lCYAZBRobMeUpahIRcZ28i6 7kd4yIMYLOXeWAgSWeQYqOZx4fs2FNu8F9yoJOoyUHtg+SAZVrB8xsWAFkm772CzqnGaAHKCWJ0k4 TYVBeJdw36d3pWml+qA95F2uoZcsh3nhaXkcv0zuk8fVUaSJ4DiyzNl2Vc0GallWetmqRpgGKSkYD hrIoTwpHNwnhMvLbOdyQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tVP63-00000007ETc-1SNn; Wed, 08 Jan 2025 05:59:15 +0000 Received: from mx0a-0031df01.pphosted.com ([205.220.168.131]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tVP60-00000007ESm-0jnK for linux-phy@lists.infradead.org; Wed, 08 Jan 2025 05:59:13 +0000 Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 50802SWk008841; Wed, 8 Jan 2025 05:59:07 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= bDwwdQrAF+o2ZgCJKQl/Co20Ro5PRpLLEom9hcdJq6s=; b=X84OQM3NlCUioybM rWElZUS0AxY5u6L6ojd1M+yXxA9ggI+u/6DhTwkPB0TFf1ECZVVtdw5mFM9PFvW5 25ajFHLxKdSWbc/mwzwUbX2ZXyYVuqIGTcS37sUKgWKdxSEdJDiJK2hKK4VPn72m YesPVbmjoKczSdBcBWpK/7pnw1gQNePECcMM1PwExY8NbbkFyOWWimurP5d4oiiD L3KuwR5gDbL1+SCSkntXnVg2eZkr/TjGmQiIIBGNZqo+LV7qYDzxvI+hv4Crpd9P se1J9eQh2ZnybB2v5Z5IY5G+NLq8aOcFx0uRnNxfx+tjdcTVPi1+OvAUJRAgHzN5 O1wz6Q== Received: from nasanppmta05.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 441efm0puq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 08 Jan 2025 05:59:06 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA05.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 5085x6K9016841 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 8 Jan 2025 05:59:06 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; Tue, 7 Jan 2025 21:59:00 -0800 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , , , , , Subject: [PATCH v6 1/5] dt-bindings: phy: qcom,uniphy-pcie: Document PCIe uniphy Date: Wed, 8 Jan 2025 11:28:38 +0530 Message-ID: <20250108055842.2042876-2-quic_varada@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250108055842.2042876-1-quic_varada@quicinc.com> References: <20250108055842.2042876-1-quic_varada@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) 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: 0mQEXuLvEeBBMNCk0-GzsHpIN1AQNzIb X-Proofpoint-ORIG-GUID: 0mQEXuLvEeBBMNCk0-GzsHpIN1AQNzIb X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 malwarescore=0 phishscore=0 adultscore=0 clxscore=1015 mlxlogscore=999 suspectscore=0 impostorscore=0 bulkscore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501080046 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250107_215912_230316_CF494E7B X-CRM114-Status: GOOD ( 15.26 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org From: Nitheesh Sekar Document the Qualcomm UNIPHY PCIe 28LP present in IPQ5332. Signed-off-by: Nitheesh Sekar Signed-off-by: Varadarajan Narayanan --- v6: * Fix num-lanes definition * Make it mandatory v5: * Drop '3x1' & '3x2' from compatible string * Use 'num-lanes' to differentiate instead of '3x1' or '3x2' in compatible string * Describe clocks and resets instead of just maxItems v4: Remove reset-names as the resets are not used individually Remove clock-output-names as its usage is removed from driver Fix order in the 'required' section v3: Fix compatible string to be similar to other phys and rename file accordingly Fix clocks minItems -> maxItems Change one of the maintainer from Sricharan to Varadarajan v2: Rename the file to match the compatible Drop 'driver' from title Dropped 'clock-names' Fixed 'reset-names' --- .../phy/qcom,ipq5332-uniphy-pcie-phy.yaml | 75 +++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/qcom,ipq5332-uniphy-pcie-phy.yaml diff --git a/Documentation/devicetree/bindings/phy/qcom,ipq5332-uniphy-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,ipq5332-uniphy-pcie-phy.yaml new file mode 100644 index 000000000000..bdecae76692c --- /dev/null +++ b/Documentation/devicetree/bindings/phy/qcom,ipq5332-uniphy-pcie-phy.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/qcom,ipq5332-uniphy-pcie-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm UNIPHY PCIe 28LP PHY + +maintainers: + - Nitheesh Sekar + - Varadarajan Narayanan + +description: + PCIe and USB combo PHY found in Qualcomm IPQ5332 SoC + +properties: + compatible: + enum: + - qcom,ipq5332-uniphy-pcie-phy + + reg: + maxItems: 1 + + clocks: + items: + - description: pcie pipe clock + - description: pcie ahb clock + + resets: + items: + - description: phy reset + - description: ahb reset + - description: cfg reset + + "#phy-cells": + const: 0 + + "#clock-cells": + const: 0 + + num-lanes: + enum: [1, 2] + +required: + - compatible + - reg + - clocks + - resets + - "#phy-cells" + - "#clock-cells" + - num-lanes + +additionalProperties: false + +examples: + - | + #include + + pcie0_phy: phy@4b0000 { + compatible = "qcom,ipq5332-uniphy-pcie-phy"; + reg = <0x004b0000 0x800>; + + clocks = <&gcc GCC_PCIE3X1_0_PIPE_CLK>, + <&gcc GCC_PCIE3X1_PHY_AHB_CLK>; + + resets = <&gcc GCC_PCIE3X1_0_PHY_BCR>, + <&gcc GCC_PCIE3X1_PHY_AHB_CLK_ARES>, + <&gcc GCC_PCIE3X1_0_PHY_PHY_BCR>; + + #clock-cells = <0>; + + #phy-cells = <0>; + + num-lanes = <1>; + };