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Thu, 26 Dec 2024 10:24:56 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, 26 Dec 2024 02:24:51 -0800 From: Varadarajan Narayanan To: , , , , , , , , , , , , , , , , , , , Subject: [PATCH v4 1/5] dt-bindings: phy: qcom,uniphy-pcie: Document PCIe uniphy Date: Thu, 26 Dec 2024 15:54:28 +0530 Message-ID: <20241226102432.3193366-2-quic_varada@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241226102432.3193366-1-quic_varada@quicinc.com> References: <20241226102432.3193366-1-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: yWNRHm6DZKQVeHV6F2Z6yGboHkdeeudv X-Proofpoint-ORIG-GUID: yWNRHm6DZKQVeHV6F2Z6yGboHkdeeudv 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 adultscore=0 priorityscore=1501 malwarescore=0 phishscore=0 lowpriorityscore=0 bulkscore=0 mlxlogscore=999 clxscore=1015 spamscore=0 impostorscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412260091 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241226_022504_714748_2EBC911C X-CRM114-Status: GOOD ( 15.27 ) 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 --- 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 | 68 +++++++++++++++++++ 1 file changed, 68 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..b6b3610ad436 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/qcom,ipq5332-uniphy-pcie-phy.yaml @@ -0,0 +1,68 @@ +# 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-gen3x1-pcie-phy + - qcom,ipq5332-uniphy-gen3x2-pcie-phy + + reg: + maxItems: 1 + + clocks: + maxItems: 2 + + resets: + maxItems: 3 + + "#phy-cells": + const: 0 + + "#clock-cells": + const: 0 + + clock-output-names: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - resets + - "#phy-cells" + - "#clock-cells" + +additionalProperties: false + +examples: + - | + #include + + pcie0_phy: phy@4b0000 { + compatible = "qcom,ipq5332-uniphy-gen3x1-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>; + };