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Wed, 21 Oct 2026 03:18:42 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c46790063e6sm61396766b.73.2026.10.21.03.18.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Oct 2026 03:18:41 -0700 (PDT) Message-ID: Date: Wed, 21 Oct 2026 12:18:39 +0200 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: Add base HAMOA-IOT-COME board To: Yuanjie Yang , andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, tingwei.zhang@oss.qualcomm.com, Gaurav Kohli , Ziyue zhang References: <20260727070758.528-1-yuanjie.yang@oss.qualcomm.com> <20260727070758.528-3-yuanjie.yang@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260727070758.528-3-yuanjie.yang@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: mt5q-gKvPptTcjg21k1LFdm0Ojy50PYS X-Proofpoint-GUID: mt5q-gKvPptTcjg21k1LFdm0Ojy50PYS X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIxMDA0MCBTYWx0ZWRfX2CDJJcu80bsJ L403MBch1UlNvTiIw7PNEOyl/kkyA2AKMM76YHqF1sRm9yg3oIBmSqeqzDAr59bxqiwwlBSo4j5 DA06rzmVzLnQUHiHXqROn7/SDQZHcu0= X-Authority-Analysis: v=2.4 cv=R7aWitRX c=1 sm=1 tr=0 ts=6ad89184 cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=cdovKDQ3hRzJwYAqeg8A:9 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIxMDA0MCBTYWx0ZWRfX/wwZYeIiUN7w K07bJDuomOvYEJqHZsnmM5EzPBirwOsStO9SdKVjBKZgRRc1EuQkk7of+zOEt0Rqgqa6aPhBg/q DWUSLRWM+nJSs6x2urfBN0WeIZZNGBwZtQi6Oy5ZK/FKxbl6obRkv03GpU+IgxjtpwBBHqjqdQp ZabgEE4PiCDLcba/v9FsHW1VJ/IhVYMTOV6M96lRQk+LT1gdPhHDSuLq0mgbMu7uuz+7/cc/Efy m98321p27gXX6wbQO4guLI/M4sUwRLAetfXw+LnJvyqpuyauRBqbT10sb87Pi4KPum8vtpJZ9Gl o42YKyN+AKKoLAJXoFfh5ZAyxWWePa9n+mZXflTPjBvpFy8bkZKWkt3p8nFSDflCi6GPOHByJR+ 6Lz2lt9UC2OCyP3glc/WzPvuqhdPu4wcrVafIRYqSjjrWNDNrUAI/tbChxo8r5lhTpMnX/O+p65 Cw6V7oMbkOumCNwo6DA== 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=2026-10-21_03,2026-10-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 clxscore=1015 impostorscore=0 bulkscore=0 spamscore=0 suspectscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610210040 On 7/27/26 9:07 AM, Yuanjie Yang wrote: > Add the initial device tree for the HAMOA-IOT-COME platform based on > the Qualcomm X1E80100 SoC. > > The platform consists of a system-on-module (SoM) mounted on a carrier > board. The SoM integrates the core system functionality through a SiP > containing the X1E80100 SoC and its supporting components. > > Hierarchy: > > Carrier Board > -> SoM > -> SiP > -> SoC > > The COME SiP hardware is effectively the same as the SoM used on the "is effectively" or "is"? [...] > +&ufs_mem_phy { > + vdda-phy-supply = <&vreg_l3i_0p8>; > + vdda-pll-supply = <&vreg_l3e_1p2>; > + > + status = "okay"; > +}; > + > +&ufs_mem_hc { > + reset-gpios = <&tlmm 238 GPIO_ACTIVE_LOW>; > + > + vcc-supply = <&vreg_l17b_2p5>; > + vcc-max-microamp = <1300000>; > + vccq-supply = <&vreg_l2i_1p2>; > + vccq-max-microamp = <1200000>; > + > + status = "okay"; > +}; Does UFS come stuffed on all such SoMs? > + > +&usb_1_ss0 { > + /delete-property/ usb-role-switch; > + dr_mode = "peripheral"; > +}; > + > +&usb_1_ss1 { > + /delete-property/ usb-role-switch; > + dr_mode = "host"; > +}; > + > +&usb_1_ss2 { > + /delete-property/ usb-role-switch; > + dr_mode = "host"; > +}; And this sounds like a limitation of the carrier board more than anything else Konrad