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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-33c331d3f2csm14091444eec.28.2026.09.20.23.20.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Sep 2026 23:20:06 -0700 (PDT) From: Kathiravan Thirumoorthy Date: Mon, 21 Sep 2026 11:49:36 +0530 Subject: [PATCH 03/11] clk: qcom: ipq5210: add 24MHz rate for USB UTMI clock Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260921-ipq_clk_changes-v1-3-d242e3d49648@oss.qualcomm.com> References: <20260921-ipq_clk_changes-v1-0-d242e3d49648@oss.qualcomm.com> In-Reply-To: <20260921-ipq_clk_changes-v1-0-d242e3d49648@oss.qualcomm.com> To: Bjorn Andersson , Stephen Boyd , Brian Masney , Jerome Brunet , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Georgi Djakov , Konrad Dybcio , Varadarajan Narayanan , Dmitry Baryshkov , Abel Vesa , Gokul Sriram Palanisamy , Sricharan Ramabadhran , Kathiravan T Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, Kathiravan Thirumoorthy , stable@vger.kernel.org X-Mailer: b4 0.15.2 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTIxMDA4OSBTYWx0ZWRfXzdhntIMuENwd Gw0Qku2u042GrmgjXo85xM3mcchHBWIGSM7h0cnza6bslg5jg/Mjn5bJCCz+Epb9yb3fbWMcwKj THYtW3Hwxj4FPHC6NGFOITpUTbyc/WY= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTIxMDA4OSBTYWx0ZWRfX0cWwcpfd3Ml6 B0yaokA3rE4j343ngXRG7rL2DnatpZKIa4P8mPNf5Ubt0Z3753IPz3tdzA4DYyCe1sTqJ8M1YJq H03bNrvwt3URPH5kVEQC4omRaQl+b/fp/SADrqXgiaLeFMjj1+8KIE6XmgkvWOjeOSe7ZymLaps KuGPPulZyvU/y2yY3POLKdo58WyfPRHXT+p1euiujBanNDzg0zFTn4fljgBx8smvgIc1W3lQ8PH cDND3P7e2R5hHP/CeZN3/9m6HDkbEVEyxwtxuLC6N7kcvSMq3uUELVGNlZ2gKwW6sxQVzIm//Xc 4YBiyefxfzZ3Mj6E9cF3ML5KKXScK6nAhlYlbCeW4ivZXq8r27QGqDXrD7NOhh3EqNYpSxoEAIG H7EzlJMEsBbbnTPXJE4Dtg399obhimD8+2gC94gddYSQb0CV5RORuQnEa2n3SDKS04eAw6TgJH6 q1Eia5IWFXJFJnHIhMA== X-Proofpoint-ORIG-GUID: K5y89bq46Hzc7bYmQmDaXa5gRn1urKVv X-Proofpoint-GUID: K5y89bq46Hzc7bYmQmDaXa5gRn1urKVv X-Authority-Analysis: v=2.4 cv=QKv91QLL c=1 sm=1 tr=0 ts=6ab0cc98 cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=T_jLbkAMJ8GdCbUqRukA:9 a=QEXdDO2ut3YA:10 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-21_02,2026-09-16_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 malwarescore=0 spamscore=0 bulkscore=0 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609210089 The USB UTMI reference clock must operate at 24 MHz, as recommended by the hardware team, for reliable USB operation. Validation showed that USB 3.2 hub enumeration with USB 2.0 devices fails when the UTMI reference clock is not configured to the required 24 MHz rate. Configuring the UTMI reference clock to 24 MHz to resolve the enumeration failure and ensure successful device detection. Cc: stable@vger.kernel.org Fixes: 844be6e24afd ("clk: qcom: add Global Clock controller (GCC) driver for IPQ5210 SoC") Signed-off-by: Kathiravan Thirumoorthy --- drivers/clk/qcom/gcc-ipq5210.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/qcom/gcc-ipq5210.c b/drivers/clk/qcom/gcc-ipq5210.c index 3a786a21bdff..76adfa8bf2ad 100644 --- a/drivers/clk/qcom/gcc-ipq5210.c +++ b/drivers/clk/qcom/gcc-ipq5210.c @@ -716,6 +716,7 @@ static struct clk_rcg2 gcc_usb0_master_clk_src = { }; static const struct freq_tbl ftbl_gcc_usb0_mock_utmi_clk_src[] = { + F(24000000, P_XO, 1, 0, 0), F(60000000, P_GPLL4_OUT_AUX, 10, 1, 2), { } }; -- 2.34.1