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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: linux-pm@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-Authority-Analysis: v=2.4 cv=Ytia1IYX c=1 sm=1 tr=0 ts=6ab0cc98 cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=T_jLbkAMJ8GdCbUqRukA:9 a=QEXdDO2ut3YA:10 a=3WC7DwWrALyhR5TkjVHa:22 X-Proofpoint-ORIG-GUID: 8nk8cyNAx874CYBdgTPfdg7ZrGonce5T X-Proofpoint-Spam-Info: AW1haW4tMjYwOTIxMDA4OSBTYWx0ZWRfX9DmRDygQfw0c ZaE8z8oZAWMXkD94vYzm4+K45hS2GxMfgQM7kdxRGYNSaw/mQhfLtxnmnVzGCUyGoWEK6HRExRl PxJf36i3c0HdL4exXr62S7pabdIkgPY= X-Proofpoint-GUID: 8nk8cyNAx874CYBdgTPfdg7ZrGonce5T X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTIxMDA4OSBTYWx0ZWRfXyhfB0ooY/NX1 eCXMXAPhhgELeWg29fVcT6NBxVdHAq/ZwVovVo6N85PjCk4TCLXLDLQAVSuX5HcWO1oVfK0zois RzHhNI1hIbKSlAfy24ZrzFPRmQ5sEpiu79Pb6Py7ywWuKdB4Mvpq9j0YQfouoBFXuYxDENMX1tx 49r8EiKfaWPOD2xtkarnbBgrLv6Xv1QXBk3zmXg3NKHmmZbGAkLNyB/rsTgmi8wZo7WCdJRK+D/ y+Sn9MiKbhmyp1R8WHEPj/oxOm0NFegN/Yp2m4TG65PolIbKZgZeaPAnuuQ+6HHhzwHbASYQMwH YBWI8tru4Gyu1Xq+vmksdDMRgmTQ6NgoN6wpj174MEwRVCmAAv4GjvQ0v8J02DSwsB1QB4ugggN MeczQlUw7DPZQo60xj5kzGOrL+3dT3eZHH71B8JQZ93epT5bfrpwZyNkqfcmdfq4gs/JNXvXsQd dBMk+2+AeVkUr6XvOnQ== 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 adultscore=0 priorityscore=1501 lowpriorityscore=0 phishscore=0 bulkscore=0 clxscore=1015 impostorscore=0 malwarescore=0 spamscore=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