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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8ddcf8aa71sm114716966b.14.2026.01.29.04.07.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 29 Jan 2026 04:07:10 -0800 (PST) Message-ID: <6d2b92d0-55bb-4ce0-ad5e-316210a3d2c5@oss.qualcomm.com> Date: Thu, 29 Jan 2026 13:07:08 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 0/4] arm64: dts: qcom: Introduce Glymur SoC dtsi and Glymur CRD dts To: Qiang Yu , Bjorn Andersson Cc: Pankaj Patil , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Jyothi Kumar Seerapu , Maulik Shah , Sibi Sankar , Taniya Das , Kamal Wadhwa , Manaf Meethalavalappu Pallikunhi , Jishnu Prakash , Dmitry Baryshkov , Abel Vesa References: <20260122-upstream_v3_glymur_introduction-v6-0-245f408ed82a@oss.qualcomm.com> <75lzykd37zdvrks5i2bb4zb2yzjtm25kv3hegmikndkbr772mz@w2ykff3ny45u> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: oSOFTNfCddxSX0Lcy0E9v-SrFWieJnC3 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTI5MDA4MSBTYWx0ZWRfX/gEybjQjQNor iGi/8W7RgCbfeX2QLLCS2VBQx/fisdoJIRNm/PADkaLAKbUuCZO1cGu4VXYaKXIU0GnGKQisQt9 jYy3r1Chw0qfjbNvewHeHCcDN+NdNDTNPkXw3f0r3Z+NMLAZz+ifupCep+pjkVZpzVZv8cWG0Ou YRlEYTLFlHzCBVSt3EetvyNVwLdhmCqeD43Z5Y/FQ4RT9VOrW6VPigpBBC48qkTDxp8BmlW1kiL CP0jTsFK9EKMm4xZsLxxZZqHWzQONNERHWH2rkH0GU46IP2qWNsByqLViZxRCvD4pSHf4z2S57B 1rACQsyEDcZGnpjgoob5G4guPzRsAF22uIcBtn8mRUhM7Lgx3AdF1q8sA5kgv6BOpdXuExX8eic z3ges9oT5KUdzsWGDn6DLfRIl1VQOBI1vyJWJlxFVvUsCKTma6AGBU/+Xjwp8iIfmi00J0ZU3AY 6oMj7q9XYvDeDDWyTYQ== X-Authority-Analysis: v=2.4 cv=donWylg4 c=1 sm=1 tr=0 ts=697b4d71 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=VwQbUJbxAAAA:8 a=qC_FGOx9AAAA:8 a=gEfo2CItAAAA:8 a=1wsREFbI4ITEArB6xhcA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 a=fsdK_YakeE02zTmptMdW:22 a=sptkURWiP4Gy88Gu7hUp:22 X-Proofpoint-ORIG-GUID: oSOFTNfCddxSX0Lcy0E9v-SrFWieJnC3 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=2026-01-29_02,2026-01-28_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 clxscore=1015 suspectscore=0 spamscore=0 impostorscore=0 bulkscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601290081 On 1/29/26 1:05 PM, Qiang Yu wrote: > On Wed, Jan 28, 2026 at 07:21:04PM -0600, Bjorn Andersson wrote: >> On Thu, Jan 22, 2026 at 08:53:57PM +0530, Pankaj Patil wrote: >>> Introduce dt-bindings and initial device tree support for Glymur, >>> Qualcomm's next-generation compute SoC and it's associated >>> Compute Reference Device (CRD) platform. >>> >>> https://www.qualcomm.com/products/mobile/snapdragon/laptops-and-tablets/snapdragon-x2-elite >>> https://www.qualcomm.com/news/releases/2025/09/new-snapdragon-x2-elite-extreme-and-snapdragon-x2-elite-are-the- >>> >>> The base support enables booting to shell with rootfs on NVMe, >>> demonstrating functionality for PCIe and NVMe subsystems. >>> DCVS is also enabled, allowing dynamic frequency scaling for the CPUs. >>> TSENS (Thermal Sensors) enabled for monitoring SoC temperature and >>> thermal management. The platform is capable of booting kernel at EL2 >>> with kvm-unit tests performed on it for sanity. >>> >>> Added dtsi files for the PMIC's enabled PMH0101, PMK8850, PMCX0102, >>> SMB2370, PMH0104, PMH0110 along with temp-alarm and GPIO nodeS. >>> >>> For CPU compatible naming, there is one discussion which is not specific >>> to Glymur, Kaanapali and Glymur use the same Oryon cores. >>> https://lore.kernel.org/all/20251119-oryon-binding-v1-1-f79a101b0391@oss.qualcomm.com/ >>> We've kept the "qcom,oryon" compatible >>> >>> Features enabled in this patchset: >>> 1. NVMe storage support >>> 2. PCIe controller and PCIe PHY >>> 3. RPMH Regulators >>> 4. Clocks and reset controllers - GCC, TCSRCC, DISPCC, RPMHCC >>> 5. Interrupt controller >>> 6. TLMM (Top-Level Mode Multiplexer) >>> 7. QUP Block >>> 8. Reserved memory regions >>> 9. PMIC support with regulators >>> 10. CPU Power Domains >>> 11. TSENS (Thermal Sensors) >>> 12. DCVS: CPU DCVS with scmi perf protocol >>> >>> Dependencies: >>> >>> dt-bindings: >>> 1. https://lore.kernel.org/all/20260121-glymur-pmic-mfd-v1-1-2aab4f21e79c@oss.qualcomm.com/ >>> 2. https://lore.kernel.org/all/20251215-knp-pmic-leds-v3-2-5e583f68b0e5@oss.qualcomm.com/ >>> 3. https://lore.kernel.org/all/20260121110828.2267061-1-pankaj.patil@oss.qualcomm.com/ >>> 4. https://lore.kernel.org/all/20260111155234.5829-1-pankaj.patil@oss.qualcomm.com/ >>> >>> Linux-next based tree with Glymur patches is available at: >>> https://git.codelinaro.org/clo/linux-kernel/kernel-qcom/-/tree/b4/v6_glymur_introduction >>> >> >> FWIW, I applied these patches onto next-20260128 to see if things has >> improved since Rob's report and I get: >> >> $ make qcom/glymur-crd.dtb CHECK_DTBS=1 >> DTC [C] arch/arm64/boot/dts/qcom/glymur-crd.dtb >> qcom/glymur-crd.dtb: dma-controller@800000 (qcom,glymur-gpi-dma): interrupts: [[0, 588, 4], [0, 589, 4], [0, 590, 4], [0, 591, 4], [0, 592, 4], [0, 593, 4], [0, 594, 4], [0, 595, 4], [0, 596, 4], [0, 597, 4], [0, 598, 4], [0, 599, 4], [2, 129, 4], [2, 130, 4], [2, 131, 4], [2, 132, 4]] is too long >> from schema $id: http://devicetree.org/schemas/dma/qcom,gpi.yaml# >> qcom/glymur-crd.dtb: dma-controller@a00000 (qcom,glymur-gpi-dma): interrupts: [[0, 279, 4], [0, 280, 4], [0, 281, 4], [0, 282, 4], [0, 283, 4], [0, 284, 4], [0, 293, 4], [0, 294, 4], [0, 295, 4], [0, 296, 4], [0, 297, 4], [0, 298, 4], [2, 124, 4], [2, 125, 4], [2, 126, 4], [2, 127, 4]] is too long >> from schema $id: http://devicetree.org/schemas/dma/qcom,gpi.yaml# >> qcom/glymur-crd.dtb: dma-controller@b00000 (qcom,glymur-gpi-dma): interrupts: [[2, 76, 4], [2, 77, 4], [2, 78, 4], [2, 79, 4], [2, 80, 4], [2, 81, 4], [2, 82, 4], [2, 83, 4], [2, 84, 4], [2, 85, 4], [2, 86, 4], [2, 87, 4], [2, 88, 4], [2, 89, 4], [2, 90, 4], [2, 91, 4]] is too long >> from schema $id: http://devicetree.org/schemas/dma/qcom,gpi.yaml# >> qcom/glymur-crd.dtb: pmic@1 (qcom,pmh0101): led-controller@ee00:compatible:0: 'qcom,pmh0101-flash-led' is not one of ['qcom,pm6150l-flash-led', 'qcom,pm660l-flash-led', 'qcom,pm7550-flash-led', 'qcom,pm8150c-flash-led', 'qcom,pm8150l-flash-led', 'qcom,pm8350c-flash-led', 'qcom,pm8550-flash-led', 'qcom,pmi8998-flash-led'] >> from schema $id: http://devicetree.org/schemas/mfd/qcom,spmi-pmic.yaml# >> qcom/glymur-crd.dtb: pmic@1 (qcom,pmh0101): pwm:compatible: 'oneOf' conditional failed, one must be fixed: >> ['qcom,pmh0101-pwm', 'qcom,pm8350c-pwm'] is too long >> 'qcom,pmh0101-pwm' is not one of ['qcom,pm660l-lpg', 'qcom,pm8150b-lpg', 'qcom,pm8150l-lpg', 'qcom,pm8350c-pwm', 'qcom,pm8916-pwm', 'qcom,pm8941-lpg', 'qcom,pm8994-lpg', 'qcom,pmc8180c-lpg', 'qcom,pmi632-lpg', 'qcom,pmi8950-pwm', 'qcom,pmi8994-lpg', 'qcom,pmi8998-lpg', 'qcom,pmk8550-pwm'] >> 'qcom,pmh0101-pwm' is not one of ['qcom,pm6150l-lpg'] >> 'qcom,pmh0101-pwm' is not one of ['qcom,pm8550-pwm'] >> 'qcom,pmh0101-pwm' is not one of ['qcom,pm8937-pwm'] >> 'qcom,pm8150l-lpg' was expected >> 'qcom,pm8916-pwm' was expected >> from schema $id: http://devicetree.org/schemas/mfd/qcom,spmi-pmic.yaml# >> qcom/glymur-crd.dtb: led-controller@ee00 (qcom,pmh0101-flash-led): compatible:0: 'qcom,pmh0101-flash-led' is not one of ['qcom,pm6150l-flash-led', 'qcom,pm660l-flash-led', 'qcom,pm7550-flash-led', 'qcom,pm8150c-flash-led', 'qcom,pm8150l-flash-led', 'qcom,pm8350c-flash-led', 'qcom,pm8550-flash-led', 'qcom,pmi8998-flash-led'] >> from schema $id: http://devicetree.org/schemas/leds/qcom,spmi-flash-led.yaml# >> qcom/glymur-crd.dtb: /soc@0/arbiter@c400000/spmi@c426000/pmic@1/led-controller@ee00: failed to match any schema with compatible: ['qcom,pmh0101-flash-led', 'qcom,spmi-flash-led'] >> qcom/glymur-crd.dtb: pwm (qcom,pmh0101-pwm): compatible: 'oneOf' conditional failed, one must be fixed: >> ['qcom,pmh0101-pwm', 'qcom,pm8350c-pwm'] is too long >> 'qcom,pmh0101-pwm' is not one of ['qcom,pm660l-lpg', 'qcom,pm8150b-lpg', 'qcom,pm8150l-lpg', 'qcom,pm8350c-pwm', 'qcom,pm8916-pwm', 'qcom,pm8941-lpg', 'qcom,pm8994-lpg', 'qcom,pmc8180c-lpg', 'qcom,pmi632-lpg', 'qcom,pmi8950-pwm', 'qcom,pmi8994-lpg', 'qcom,pmi8998-lpg', 'qcom,pmk8550-pwm'] >> 'qcom,pmh0101-pwm' is not one of ['qcom,pm6150l-lpg'] >> 'qcom,pmh0101-pwm' is not one of ['qcom,pm8550-pwm'] >> 'qcom,pmh0101-pwm' is not one of ['qcom,pm8937-pwm'] >> 'qcom,pm8150l-lpg' was expected >> 'qcom,pm8916-pwm' was expected >> from schema $id: http://devicetree.org/schemas/leds/leds-qcom-lpg.yaml# >> qcom/glymur-crd.dtb: /soc@0/arbiter@c400000/spmi@c426000/pmic@1/pwm: failed to match any schema with compatible: ['qcom,pmh0101-pwm', 'qcom,pm8350c-pwm'] >> >> So, we're still missing a few dependencies. >> >> >> Booting the system I get a ton of errors from PCIe in the kernel log: >> >> debugfs: 'opp:5000000' already exists in 'soc@0-1c00000.pci' >> >> # dmesg | grep -E 'debugfs: .+ already exists' |wc -l >> 508 >> >> The system does eventually boot, and I was happy to see that we do end >> up finding the PCIe devices after all. >> > I enabled dynamic debug logs and observed that each PCIe platform device > probe was deferred approximately 10 times. The probe deferrals resulted in > additional OPP debugfs warnings being printed. > > The PCIe platform device probe was deferred because the PHY driver was not > ready - either because the PHY driver was not yet loaded, or because the > PHY driver's own probe was also deferred due to its dependency (e.g., > 1fd5000.clock-controller) not being ready. This is normal behavior, > correct? I also observed that other driver probes were deferred. > > But I'm not sure why there are more than 300 times probe deferrals on > your setup. I think Bjorn is trying to say that the driver is wrong, because it effectively seems to call devm_pm_opp_of_add_table repeatedly Konrad