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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-32f079c0530sm5054861eec.3.2026.09.02.03.22.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Sep 2026 03:22:50 -0700 (PDT) From: Luo Jie Date: Wed, 02 Sep 2026 03:22:48 -0700 Subject: [PATCH v3 1/3] arm64: dts: qcom: ipq5018: Add pinctrl for MDIO bus Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260902-qcom_ipq5018_mdio_pinctrl-v3-1-629c7bb05c44@oss.qualcomm.com> References: <20260902-qcom_ipq5018_mdio_pinctrl-v3-0-629c7bb05c44@oss.qualcomm.com> In-Reply-To: <20260902-qcom_ipq5018_mdio_pinctrl-v3-0-629c7bb05c44@oss.qualcomm.com> 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, Luo Jie , Konrad Dybcio X-Mailer: b4 0.17-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1788344568; l=1720; i=jie.luo@oss.qualcomm.com; s=20251128; h=from:subject:message-id; bh=BltRNpqRejT0J8WQVpPYm7hnxBsiPPD5fyp6AxXutjo=; b=kuA5mkZdBm6/pNs2QMeI2TxTptxg5jqQrHIHVMTmphhErcaknsH27HMA0A4igl/rjqWZUrvDr BOzvKvv3bM0D+mkjxCwEooJTvtNoH39ECuIgxE9CbdTC7ueNVGliQlS X-Developer-Key: i=jie.luo@oss.qualcomm.com; a=ed25519; pk=gSsYMDakxtd6UDFYDdA9y9yjIs5Etp5GK/3DoXWPyS0= X-Proofpoint-GUID: CZxjoDHGGFwwm0whV2n2eRa9Snt0WJ7D X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAyMDA5MSBTYWx0ZWRfXyvtUt/i4BfmA MW06EV9cvmKa9dC+vKPpiX4SEyJbV4eeDoeukQOFS989agfBk4swW3qSXFqfeVrbRkF3vaRRsng oal0FvtnMFSiKeas3z7Zm52bD2s4NAsWd80zBU1bR331NxSH0OItIzwnnlyYwDKax4NuYkmpIKf B1JIku7ExCZbHsP1k0cd7ZT7MNfglZXZVaDLhb+TefGIYNXHbIfMnjFK3obJtAjtT/RLoMga6lF pvB0XMBtyFzVPjn/5GbiEyN8VuagcUV5H+GRe4er3frd1Rk0+scyBLDTVcNILGH2yh5ae0doj0O QaodOU6rMEj2dcKvmUTaPNzrSmfMHI3oUfqlD4+gzV3EvcjspnP5H1s1Zaa9PhCgOJ8HseiR9YB wi2fxbOFW249MWLBlWd0pSxZ9bjRevlXrDBE72dHQbq89O+cdK6Lc6SApsCApniyMv30sgKHghm SRQLDSwwKmJolRlgSsw== X-Authority-Analysis: v=2.4 cv=NLflPU6g c=1 sm=1 tr=0 ts=6a97f8fb cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=etYmfIWrwypQtZQWCWAA:9 a=QEXdDO2ut3YA:10 a=mQ_c8vxmzFEMiUWkPHU9:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAyMDA5MSBTYWx0ZWRfXxglsQVjHk7M4 /p1Xh9am3um4xMDJPCYPyqkjTcqT/pUOgRDtOZNWhD1bOL88xRoId9J3Y+XTN0Rms2X8FMNFby/ HeoK0wuKtRg9J6P6RaoGN1rjcwSGCvE= X-Proofpoint-ORIG-GUID: CZxjoDHGGFwwm0whV2n2eRa9Snt0WJ7D 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=2026-09-02_02,2026-09-01_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 spamscore=0 bulkscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609020091 The external MDIO bus (mdio1) needs its MDC/MDIO lines configured via TLMM pinctrl; without this the pins are left in their default state and the bus does not function on boards that enable it. The MDIO pin configuration is identical across all IPQ5018 RDP boards, so add it to the shared SoC dtsi. Add a mdio_pins pinctrl state for gpio36 (mdc) and gpio37 (mdio) with 8mA drive strength and pull-up, and reference it from the mdio1 node via pinctrl-0/pinctrl-names. Reviewed-by: Konrad Dybcio Signed-off-by: Luo Jie --- arch/arm64/boot/dts/qcom/ipq5018.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq5018.dtsi b/arch/arm64/boot/dts/qc= om/ipq5018.dtsi index 4fc627b47fe7..cb3e1202b582 100644 --- a/arch/arm64/boot/dts/qcom/ipq5018.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq5018.dtsi @@ -241,6 +241,8 @@ mdio1: mdio@90000 { reg =3D <0x00090000 0x64>; #address-cells =3D <1>; #size-cells =3D <0>; + pinctrl-0 =3D <&mdio_pins>; + pinctrl-names =3D "default"; =20 clocks =3D <&gcc GCC_MDIO1_AHB_CLK>; clock-names =3D "gcc_mdio_ahb_clk"; @@ -421,6 +423,22 @@ tlmm: pinctrl@1000000 { interrupt-controller; #interrupt-cells =3D <2>; =20 + mdio_pins: mdio-state { + mdc-pins { + pins =3D "gpio36"; + function =3D "mdc"; + drive-strength =3D <8>; + bias-pull-up; + }; + + mdio-pins { + pins =3D "gpio37"; + function =3D "mdio"; + drive-strength =3D <8>; + bias-pull-up; + }; + }; + uart1_pins: uart1-state { pins =3D "gpio31", "gpio32", "gpio33", "gpio34"; 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Enable mdio0 with a 6.25MHz MDIO clock in the SoC dtsi so all boards can reach the EPHY, instead of enabling it per board. Signed-off-by: Luo Jie Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/ipq5018.dtsi | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/ipq5018.dtsi b/arch/arm64/boot/dts/qc= om/ipq5018.dtsi index cb3e1202b582..fe1ed240de59 100644 --- a/arch/arm64/boot/dts/qcom/ipq5018.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq5018.dtsi @@ -222,8 +222,7 @@ mdio0: mdio@88000 { =20 clocks =3D <&gcc GCC_MDIO0_AHB_CLK>; clock-names =3D "gcc_mdio_ahb_clk"; - - status =3D "disabled"; + clock-frequency =3D <6250000>; =20 ge_phy: ethernet-phy@7 { compatible =3D "ethernet-phy-id004d.d0c0"; --=20 2.43.0 From nobody Sat Sep 26 10:04:59 2026 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 63E8A43F4CF for ; Wed, 2 Sep 2026 10:22:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Enable mdio1 with a 6.25MHz MDIO clock and describe the QCA8081 PHY at address 0x1c. Signed-off-by: Luo Jie Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/ipq5018-rdp432-c2.dts | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq5018-rdp432-c2.dts b/arch/arm64/bo= ot/dts/qcom/ipq5018-rdp432-c2.dts index 33eef92b19b1..34d4a0886356 100644 --- a/arch/arm64/boot/dts/qcom/ipq5018-rdp432-c2.dts +++ b/arch/arm64/boot/dts/qcom/ipq5018-rdp432-c2.dts @@ -30,6 +30,16 @@ &blsp1_uart1 { status =3D "okay"; }; =20 +&mdio1 { + clock-frequency =3D <6250000>; + + status =3D "okay"; + + ethernet-phy@1c { + reg =3D <0x1c>; + }; +}; + &pcie0 { pinctrl-0 =3D <&pcie0_default>; pinctrl-names =3D "default"; --=20 2.43.0