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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b942ef4827esm460632666b.2.2026.03.10.03.39.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 10 Mar 2026 03:39:06 -0700 (PDT) Message-ID: <63de1d04-adf0-4608-aeee-2d5208c100ae@oss.qualcomm.com> Date: Tue, 10 Mar 2026 11:39:03 +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 2/7] arm64: dts: qcom: Add Monaco Monza SoM To: Srinivas Kandagatla , andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: richardcochran@gmail.com, geert+renesas@glider.be, arnd@arndb.de, dmitry.baryshkov@oss.qualcomm.com, ebiggers@kernel.org, michal.simek@amd.com, luca.weiss@fairphone.com, sven@kernel.org, prabhakar.mahadev-lad.rj@bp.renesas.com, kuninori.morimoto.gx@renesas.com, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, m.facchin@arduino.cc, r.mereu@arduino.cc, loic.poulain@oss.qualcomm.com References: <20260309152420.1404349-1-srinivas.kandagatla@oss.qualcomm.com> <20260309152420.1404349-3-srinivas.kandagatla@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260309152420.1404349-3-srinivas.kandagatla@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzEwMDA5MCBTYWx0ZWRfXxrxKoNmqnQVO 3dC22QoYw2o8wDrObfXG+EH3Gpy3alet1oNIcxy8KwMsdAB9mzzqOVsmYQM1bC65vC158998lUY 0q3Hw46QJmkx2Pk+e8ISAg+ChhAUD4GTj5J16gRF+S0or/gzN2t+q8F+NgNhUEXR1z6PYBBMmu+ id9zi1UtBsRmcqTU9tXy4d1z7GaA0z4kERChXZMDCbKRjnK0uY2yeJ953WbF3tBiLmuoVIWCHP+ YPEmPuotfAagN3I1oV5Sgdlv1rF2Eifo9tZdH0fd7NoTgUHAGanmMRlqKI1V0fqc+BUVPBrqe4d kUOpBv+G9PCGPcq84H8pUFKxufHXMbajPO40u1987L3iR1CK+ESdxbDLrUy7kknQzguJBe4L0fr w2jRcRCys7QHgvx0kqiw+c3j8ZRaFU+EfzW5mtgNnz1f1mlwmeVs+UOcHHr/4ZJMEhtNJyNqxDi VJKFZnu4zO0kqSNFcqQ== X-Proofpoint-ORIG-GUID: lwXtsDWETNC2_GVuqLTgkvvHf8ZmvvF0 X-Proofpoint-GUID: lwXtsDWETNC2_GVuqLTgkvvHf8ZmvvF0 X-Authority-Analysis: v=2.4 cv=WtEm8Nfv c=1 sm=1 tr=0 ts=69aff4cc cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=eQA81Jyt6kpvTzy5W_wA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-10_02,2026-03-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 spamscore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 phishscore=0 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603100090 On 3/9/26 4:24 PM, Srinivas Kandagatla wrote: > From: Loic Poulain > > The Monaco Monza SoM is a compact computing module that integrates a > Monaco/QCS8300 System on Chip (SoC), along with essential components > optimized for IoT applications. It is designed to be mounted on > carrier boards, enabling the development of complete embedded systems. > > The following components are described: > - Fixed S2S 1.8V rail > - PMM8654AU RPMh regulators (PMIC A and PMIC C) > - Display subsystem/phy supplies (DSI, DP) > - Enable GPU, GPI DMA, IRIS > - PCIe Gen4 for both controllers and PHY supply hookups > - QUPv3 firmware declarations > - REFGEN always-on workaround for USB2 HS PHY > - Remoteproc firmware names for ADSP, CDSP and GPDSP > - Ethernet SERDES supplies > - USB HS/SS PHY regulators > - On-SoM eMMC > > Signed-off-by: Loic Poulain > Co-developed-by: Srinivas Kandagatla > Signed-off-by: Srinivas Kandagatla > --- [...] > +/* PCIe0 Gen4 x2 */ > +&pcie0 { > + iommu-map = <0x0 &pcie_smmu 0x0000 0x1>, > + <0x100 &pcie_smmu 0x0001 0x1>, > + <0x200 &pcie_smmu 0x0007 0x1>, > + <0x208 &pcie_smmu 0x0002 0x1>, > + <0x210 &pcie_smmu 0x0003 0x1>, > + <0x218 &pcie_smmu 0x0004 0x1>, > + <0x300 &pcie_smmu 0x0005 0x1>, > + <0x400 &pcie_smmu 0x0006 0x1>; > + num-lanes = <2>; This is already set in monaco.dtsi [...] > +/* PCIe1 Gen4 x4 */ > +&pcie1 { > + num-lanes = <4>; likewise [...] > +&qupv3_id_0 { > + firmware-name = "qcom/qcs8300/qupv3fw.elf"; > + status = "okay"; Other nodes in this file have a \n before 'status', it'd be neat to have one everywhere > +}; > + > +&qupv3_id_1 { > + firmware-name = "qcom/qcs8300/qupv3fw.elf"; > + status = "okay"; > +}; > + > +/* There is a HW/FW issue preventing proper REFGEN hardware voting > + * for the USB2 HS PHY. As a workaround, we force REFGEN to stay > + * always‑on in software, matching initial bootloader config. > + */ > +&refgen{ Please add a space before '{' [...] > +/* OnSom eMMC */ > +&sdhc_1 { This one is out-of-place, alphabetically - please move it up Konrad