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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-33c331d3f2csm14091444eec.28.2026.09.20.23.19.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Sep 2026 23:19:59 -0700 (PDT) From: Kathiravan Thirumoorthy Date: Mon, 21 Sep 2026 11:49:35 +0530 Subject: [PATCH 02/11] clk: qcom: ipq5332: 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-v1-2-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=HIZWhYtv c=1 sm=1 tr=0 ts=6ab0cc91 cx=c_pps a=Oh5Dbbf/trHjhBongsHeRQ==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=T_jLbkAMJ8GdCbUqRukA:9 a=QEXdDO2ut3YA:10 a=_Vgx9l1VpLgwpw_dHYaR:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTIxMDA4OSBTYWx0ZWRfXyrHYGxIU0mcf qXd4hjgkKhZEhzX1q3MKTLyekxYdXDpRF4hj164QGX0msc//Fth0G/Qyb3Jd0PT237ytLkCiQfm LITlX0teEtqRZchVwUB6XNwiHQkVTzA= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTIxMDA4OSBTYWx0ZWRfX1UlJZhIVkOs4 7oVRv7LD1w/MynGZplM+Ha4dsvWAQOTKfKPjnNuKU5ruvKgTC9sH8SkOArD7gje81G/4aGjd9fa O1llRhOBYoJxPQB6jUY86IhCf92TFIcjEvx21+XdxeCU4E1pcgNyPviKo3A8ctHE/R7HxiaJC3Q 7tXCMG/PPLANrTsZrtAeIxfMq+Z0P+LNZAF83GycAdmYH0AWxKcX0KSF060rgElGrC9cpiolpd6 9qUgKKaV2U6IBSdxoNUkX0vg3ws0Auc8IrQrkfZVDi4Vl3eN68cCuxrcMTB4adUoA4QCJVFd+QE YbKm4Ko2aG13s8tGgNzwBtTHysSJyqKfwXznJOXoQqkJxBkFwc/9lWoBB/ap8ZewTOL7GGu6JnF T9cqiiJoRFI2DOU8e3XPC0zkkZxOKwI/yJcvxwgQlvEiPJygjmrH2cRQ1YaSIwMRSh/cFAOHcS5 zySleYRoJ3kz9wckl6Q== X-Proofpoint-ORIG-GUID: JIaPnSN24rF3KLPnzQTPBMe05aB_730d X-Proofpoint-GUID: JIaPnSN24rF3KLPnzQTPBMe05aB_730d 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 clxscore=1015 malwarescore=0 adultscore=0 lowpriorityscore=0 bulkscore=0 spamscore=0 priorityscore=1501 suspectscore=0 phishscore=0 impostorscore=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: 3d89d52970fd ("clk: qcom: add Global Clock controller (GCC) driver for IPQ5332 SoC") Signed-off-by: Kathiravan Thirumoorthy --- drivers/clk/qcom/gcc-ipq5332.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/qcom/gcc-ipq5332.c b/drivers/clk/qcom/gcc-ipq5332.c index ecd9ebeed754..4625b447c235 100644 --- a/drivers/clk/qcom/gcc-ipq5332.c +++ b/drivers/clk/qcom/gcc-ipq5332.c @@ -1038,6 +1038,7 @@ 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