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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id 00721157ae682-884895001fasm10483237b3.45.2026.09.11.07.21.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Sep 2026 07:21:04 -0700 (PDT) From: Shawn Guo To: Bjorn Andersson Cc: Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bartosz Golaszewski , Krishna Kurapati , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Shawn Guo Subject: [PATCH 1/5] arm64: dts: qcom: nord-embedded: Fix i2c9/i2c10 pin functions Date: Fri, 11 Sep 2026 22:20:36 +0800 Message-ID: <20260911142040.100263-2-shengchao.guo@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260911142040.100263-1-shengchao.guo@oss.qualcomm.com> References: <20260911142040.100263-1-shengchao.guo@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Info: AW1haW4tMjYwOTExMDIwMCBTYWx0ZWRfXxwrbXH59lGha GoFP69Xtdoin/7tC4Rfp8lNN+e3SDWn/LKUfOOw2gQGiNgYEu1zDU5tFRXs6P4UwfuWBnjmW30j m0GOu7hazvbztKG/iCNBerin+D5iEjs= X-Proofpoint-GUID: JCv8ms232u180-eA5nPwFdQrw3gqpK34 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTExMDIwMCBTYWx0ZWRfXwRlKVNWpdVPL ixHDE2ASlF6d5lhhjYA5GnlU8XU+XOhXXDmMHdh+9IN9oyaU7tEm5gbhHKcQ2UXzc+1Lkuu0O4d yxMeN2IE/v60jA/7xGqH/cNTZ5e0WpNO/HqCDoH0E6muEDNWpAEmnsdVlaLrCY/CDzdM8Djxjr4 4Obb0+EJSaG3J5VeU/pKYU0eB91tqR8uxtwajhRSIJ/+RQSfLfBKY+T+DE/FPz2UjaVHDI6+q0y 81hD2MOqMSXybzak6JDsvui0la1FMHgV5AHl5AmqbT00Ilj+hLpLjHTik4vIvi+Z8WR8/TDiihY xMBNUKEJayXREkWdUYxLvY1mcjYek9ju6ek0yo9UpzrrZhLUkW1Osm29jVd8BVO4LyCz2D9V/Ff DrEBCCu4a1+4t661yCgYPWi6rLjds0z638eHJlwUZVSnzXe2qM5mYCSir5Nujen8wd69+Ra87sM 2LIgBM6SANbH2gTiz7w== X-Proofpoint-ORIG-GUID: JCv8ms232u180-eA5nPwFdQrw3gqpK34 X-Authority-Analysis: v=2.4 cv=AfwkjHXG c=1 sm=1 tr=0 ts=6aa40e52 cx=c_pps a=NMvoxGxYzVyQPkMeJjVPKg==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=asaw0DWA8FDCBGCi_ycA:9 a=kLokIza1BN8a-hAJ3hfR: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=2026-09-11_04,2026-09-11_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 suspectscore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 impostorscore=0 bulkscore=0 spamscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609110200 The i2c9/i2c10 and uart9/uart10 pinctrl states shared the same pins and the same "qup1_se2"/"qup1_se3" function name, so the I2C states were indistinguishable from the UART ones and ended up muxing the UART lanes. i2c9 and i2c10 therefore did not work. Now that the TLMM driver names each lane pair separately, select the lane 0/1 function for I2C and the lane 2/3 function for UART. Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/qcom/nord-embedded.dtsi | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/nord-embedded.dtsi b/arch/arm64/boot/dts/qcom/nord-embedded.dtsi index a03ee16c9cff..c7ac2e66632e 100644 --- a/arch/arm64/boot/dts/qcom/nord-embedded.dtsi +++ b/arch/arm64/boot/dts/qcom/nord-embedded.dtsi @@ -1056,14 +1056,14 @@ qup_i2c8_default: qup-i2c8-default-state { qup_i2c9_default: qup-i2c9-default-state { pins = "gpio127", "gpio128"; - function = "qup1_se2"; + function = "qup1_se2_01"; drive-strength = <2>; bias-pull-up; }; qup_i2c10_default: qup-i2c10-default-state { pins = "gpio129", "gpio130"; - function = "qup1_se3"; + function = "qup1_se3_01"; drive-strength = <2>; bias-pull-up; }; @@ -1461,14 +1461,14 @@ qup_uart8_default: qup-uart8-default-state { qup_uart9_default: qup-uart9-default-state { pins = "gpio127", "gpio128"; - function = "qup1_se2"; + function = "qup1_se2_23"; drive-strength = <2>; bias-disable; }; qup_uart10_default: qup-uart10-default-state { pins = "gpio129", "gpio130"; - function = "qup1_se3"; + function = "qup1_se3_23"; drive-strength = <2>; bias-disable; }; -- 2.43.0