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Fri, 06 Feb 2026 02:46:55 -0800 (PST) Received: from hu-swatagar-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-354b21fb723sm2081136a91.10.2026.02.06.02.46.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Feb 2026 02:46:54 -0800 (PST) From: Swati Agarwal To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Swati Agarwal Subject: [PATCH 1/2] arm64: dts: qcom: lemans-evk: Enable GPIO expander3 interrupt for Lemans EVK Date: Fri, 6 Feb 2026 16:16:41 +0530 Message-Id: <20260206104642.1038381-2-swati.agarwal@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260206104642.1038381-1-swati.agarwal@oss.qualcomm.com> References: <20260206104642.1038381-1-swati.agarwal@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Authority-Analysis: v=2.4 cv=ItITsb/g c=1 sm=1 tr=0 ts=6985c6a0 cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=EUspDBNiAAAA:8 a=RPQiPM-rC1IremnUZN0A:9 a=iS9zxrgQBfv6-_F4QbHw:22 X-Proofpoint-ORIG-GUID: ByUYVmv3cLSXsz8Q4zyvBOPbFQQ8hmaH X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjA2MDA3NCBTYWx0ZWRfX6AeqYoMSX83i M8YjRJNvZvJkXRpp5NFAHFPu2UJ0WsVzdC73a/+X2Z7j0wuujHLnwNp6aKoRDbTIdHHcLxZJH6U 85RNaTkZk8wqgrzWknEM8nM0sZeZwzCQ6IvPWAcLMApyDUtmngCwS3M0paTFTTmUytEwXTU/Qdv Qy5OVQ9kcvQ5TzUmszbZ0hTsbxFzAlqDPoDlxdErpAdwE2HsVK0khxmvmXJkOPM0o8g48/BW2ig 7ud+/iMn5g5Yeo63IIvEmp2hyFtY9Qn4haIHVgyn4k9MItdGmlZDsrX8RB2cMn4343s2qtXvJKb 5UyXNnFXw9U23II9j4S6JR/Tf4gA0f8n3hHq4WwETC72GafFpel7C3K0BmxMeayQF8eqD9ofHbj 8TF9lpbBf0nU4U+wE66KzahR4zZIaNhBbGPJhjxzV1Nv2VPv9ywQpJuGOfnI4StCzpO+iPHkPzk akrA5AwbB450gTcChyw== X-Proofpoint-GUID: ByUYVmv3cLSXsz8Q4zyvBOPbFQQ8hmaH 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=2026-02-06_03,2026-02-05_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 bulkscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 suspectscore=0 malwarescore=0 priorityscore=1501 impostorscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602060074 Content-Type: text/plain; charset="utf-8" Enable PCA9538 expander3 as interrupt controller on Lemans EVK and configures the corresponding TLMM pins via pinctrl to operate as GPIO inputs with internal pull-ups. Signed-off-by: Swati Agarwal --- arch/arm64/boot/dts/qcom/lemans-evk.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/lemans-evk.dts b/arch/arm64/boot/dts/= qcom/lemans-evk.dts index a549f7fe53a1..473cc2a81670 100644 --- a/arch/arm64/boot/dts/qcom/lemans-evk.dts +++ b/arch/arm64/boot/dts/qcom/lemans-evk.dts @@ -649,6 +649,12 @@ expander3: gpio@3b { reg =3D <0x3b>; #gpio-cells =3D <2>; gpio-controller; + #interrupt-cells =3D <2>; + interrupt-controller; + interrupt-parent =3D <&tlmm>; + interrupts =3D <39 IRQ_TYPE_LEVEL_LOW>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&expander3_int>; }; =20 eeprom@50 { @@ -894,6 +900,13 @@ ethernet0_mdio: ethernet0-mdio-pins { }; }; =20 + expander3_int: expander3-int-state { + pins =3D "gpio39"; + function =3D "gpio"; + input-enable; + bias-pull-up; + }; + pcie0_default_state: pcie0-default-state { clkreq-pins { pins =3D "gpio1"; --=20 2.34.1