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charset="us-ascii"; Format="flowed" Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On 5/26/2026 9:15 PM, Krzysztof Kozlowski wrote: > On Fri, May 22, 2026 at 11:32:24PM +0530, Komal Bajaj wrote: >> Shikra is a Qualcomm IoT SoC available in a System-on-Module (SoM) >> form factor. The SoM integrates the Shikra SoC, PMICs, and essential >> passives, and is designed to be mounted on carrier boards. >> >> Three eSoM variant are introduced: >> - CQM: retail variant with integrated modem >> - CQS: retail variant without modem >> - IQS: industrial-grade variant without modem > Industrial/consumer variants differ often only with thermal, so how is > it here? Thermal difference does not make them incompatible. Honestly, > usually industrial one does not even receive dedicated compatibles. The IQS variant uses a PM8150 PMIC, while CQS/CQM use PM4125 + PM8005. These have different regulator topologies and RPM regulator bindings, making the DTBs genuinely incompatible, IQS SoM cannot boot with CQS DTB. Thus, a separate compatible is required and not merely a thermal distinction. Thanks Komal > Best regards, > Krzysztof > -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy