From patchwork Thu Feb 6 12:17:57 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 862609 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 B73D922DFA3; Thu, 6 Feb 2025 12:18:40 +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=1738844322; cv=none; b=iVn67TnKJUX2OIpjshYpBai3RcJuLkR7zzqTkcNhdfpsAg+arzh8EHonWK+cjq2eZcukyOcjJRQieC/KCNNw8u1UCfB25tiTGaFEF3tepTV+QoIhOIa2J6tpEl7iV7SD+PwoQODBI+8ZlzntOJgLfB7xWR38QRUa5jQPBmaCdgc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738844322; c=relaxed/simple; bh=YhtyvLzFcNykdqygpd3K3BVMtEXPx1ZiEQps8Gn6VBc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=R6RsXm0Z+Tb8Yafk2JLn+cgKM6bGfz4voHaa9VBhr7eCnVNjCQrf3OLbNvQL6CXq2Xjjoh5/yMcLrUCnPkCsoTcFcI9v+3RSsrOIoTSPwfVukaoMbw3iXQL4McNnGLHu+HRR+OzH6df5RFR+ZmkphTyUjV0RD/tFdpUd2oXTcBw= 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=Eljwh2xp; 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="Eljwh2xp" 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 51682cif003865; Thu, 6 Feb 2025 12:18:27 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= PwtYak/t8SAuznkwdylC4P9QNNgY0KZtvTLFAk0VUwk=; b=Eljwh2xpVTKCCY8y u8kYlzJId+IMrXRXjrUIwvR5/7JVW153DuzIKwDCgb+1LSsM/UdHi8cFGZ6vX8Rc M4RfRqdecjO2IMJ+LNg4zEBjEr4K9Waiw8PnNO8JHOt47oh+X8xSqRuhNFd+Wg+d s/pePeQ4BjWzCbKPNr3EeRjgjXnYUDM2d0c6xaJt+PHKJpi9grIf69MPvzxCfk7q 5aLKYS/jLrwS2lOk322soDgDiqeXNa8Jbif28oaAiiHtAUYIceK3xsp48dkx/X5W gNx+9LcFg4K6rHkdlH+Jl/XkYmvIBEHG9QpCn9W3yHV2LfRf/tvDOn8gTBZNJO1n t1x0qA== Received: from nasanppmta03.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 44ms7n0m2u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 06 Feb 2025 12:18:27 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA03.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 516CIQ39008975 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 6 Feb 2025 12:18:26 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; Thu, 6 Feb 2025 04:18:20 -0800 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , , , , , CC: Krzysztof Kozlowski Subject: [PATCH v10 1/7] dt-bindings: phy: qcom,uniphy-pcie: Document PCIe uniphy Date: Thu, 6 Feb 2025 17:47:57 +0530 Message-ID: <20250206121803.1128216-2-quic_varada@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250206121803.1128216-1-quic_varada@quicinc.com> References: <20250206121803.1128216-1-quic_varada@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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: RO5GAePyFtNXbFhknrJjTb6edD9m8ONN X-Proofpoint-GUID: RO5GAePyFtNXbFhknrJjTb6edD9m8ONN X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-02-06_03,2025-02-05_03,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 impostorscore=0 bulkscore=0 phishscore=0 clxscore=1015 lowpriorityscore=0 priorityscore=1501 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2501170000 definitions=main-2502060102 From: Nitheesh Sekar Document the Qualcomm UNIPHY PCIe 28LP present in IPQ5332. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Nitheesh Sekar Signed-off-by: Varadarajan Narayanan --- v8: Add 'Reviewed-by: Krzysztof Kozlowski' v7: * Add data type definition to 'num-lanes' 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 | 76 +++++++++++++++++++ 1 file changed, 76 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..e39168d55d23 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/qcom,ipq5332-uniphy-pcie-phy.yaml @@ -0,0 +1,76 @@ +# 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: + $ref: /schemas/types.yaml#/definitions/uint32 + 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>; + };