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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2b8647bd6casm5609940eec.7.2026.02.08.20.49.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Feb 2026 20:49:41 -0800 (PST) From: Qiang Yu Date: Sun, 08 Feb 2026 20:49:39 -0800 Subject: [PATCH 1/2] dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Add vdda-refgen supply for Glymur Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260208-refgen-v1-1-87ca84fd78b3@oss.qualcomm.com> References: <20260208-refgen-v1-0-87ca84fd78b3@oss.qualcomm.com> In-Reply-To: <20260208-refgen-v1-0-87ca84fd78b3@oss.qualcomm.com> To: Vinod Koul , Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Qiang Yu X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1770612579; l=1835; i=qiang.yu@oss.qualcomm.com; s=20250513; h=from:subject:message-id; bh=zBcv7lxEtgPMCXIkulXgwPcKqgMN8Bqjh/iShUkQdwI=; b=2TIostV9F8L8nS7KiswSSQ5DavEOGSq5o7AxzysT/+sDvhp7x1lMXkwdg6JlRpxDa2oPQBC+Q E4ChprQ/RtoB5sEv96N9js07uA3Pa02hEmH+3O1FcxBDIdXAnXvM9yp X-Developer-Key: i=qiang.yu@oss.qualcomm.com; a=ed25519; pk=Rr94t+fykoieF1ngg/bXxEfr5KoQxeXPtYxM8fBQTAI= X-Authority-Analysis: v=2.4 cv=QMBlhwLL c=1 sm=1 tr=0 ts=69896767 cx=c_pps a=wEP8DlPgTf/vqF+yE6f9lg==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=EUspDBNiAAAA:8 a=frynOpE9Hcw_QGd8cjwA:9 a=QEXdDO2ut3YA:10 a=bBxd6f-gb0O0v-kibOvt:22 X-Proofpoint-GUID: T-EzfcQX20W1FD1VMUWdzBX8dA61joWX X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjA5MDAzNyBTYWx0ZWRfX4OLwYDnI/D7r mCljXNOjMLQaUXAeUoT8Lx7CrqYkp6AW2RehMCR/nGl4m6zKARUJATpGBKFDC7lcN1ek84clIMw qnGlHlFcxTBWmfQhhBK3Tw2GPPKLE/WXG9Mq+KQRXQ2AO8H6CAGUq3jqM4pijxRVlv67uKP0why A3C6sKYH82QlJpuNiu8uKi2O1zuXtevo0T1OivP2KAuippADYdItLIffZmAf3y6ubxK9rdze/+y 1YWdIAHbG1LajcN6ohKqLsBX9ZHfwbIwOWT52lvkNVbo/9+yG5WMO6fR9th1DJ7wrlvRqnjtM2c kwPcHjcNQFjjYnNos0cBBkcrxDeh/AMnFrrfyPCDGQXHZes/vepR9CznqP/7FVhjJjWs5DRMT6a bofFoi75dDlyVd6ov9AJoMddq2x2OHWMVoY15h2ytoH7vFbLkMcT78WImTOdSasf5kCtKKxTskV kRrxMbSjO6ZVIR2gHJQ== X-Proofpoint-ORIG-GUID: T-EzfcQX20W1FD1VMUWdzBX8dA61joWX X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-08_05,2026-02-05_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 suspectscore=0 spamscore=0 adultscore=0 priorityscore=1501 impostorscore=0 bulkscore=0 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602090037 The PCIe QMP PHYs on Glymur require stable reference voltage provided by refgen. The refgen itself requires two separate power supplies: vdda-refgen0p9 and vdda-refgen1p2. Since there is no dedicated driver for REFGEN, add vdda-refgen0p9-supply and vdda-refgen1p2-supply properties to the PCIe PHY dt-bindings. Use conditional schema to restrict these properties to only Glymur PCIe QMP PHYs. Signed-off-by: Qiang Yu --- .../bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml | 20 ++++++++++++++++= ++++ 1 file changed, 20 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-p= hy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.= yaml index 82316aa5e15f2bde9c32c112876dd820f9450e94..5f60b472264d54b714538c869a0= 95e620b0eba2d 100644 --- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml +++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml @@ -90,6 +90,10 @@ properties: =20 vdda-qref-supply: true =20 + vdda-refgen0p9-supply: true + + vdda-refgen1p2-supply: true + qcom,4ln-config-sel: description: PCIe 4-lane configuration $ref: /schemas/types.yaml#/definitions/phandle-array @@ -259,6 +263,22 @@ allOf: "#clock-cells": const: 0 =20 + - if: + properties: + compatible: + contains: + enum: + - qcom,glymur-qmp-gen4x2-pcie-phy + - qcom,glymur-qmp-gen5x4-pcie-phy + then: + properties: + vdda-refgen0p9-supply: true + vdda-refgen1p2-supply: true + else: + properties: + vdda-refgen0p9-supply: false + vdda-refgen1p2-supply: false + examples: - | #include --=20 2.34.1