--- title: Linux Dealing With Apple's Wild Mess Of Sensors On Apple... description: Linux contributor James Calligeros is working to fix Apple SMC hardware monitoring (HWMON) support for Apple Silicon SoCs on Linux. The challenge stems from... canonical: https://daily.dev/posts/linux-dealing-with-apple-s-wild-mess-of-sensors-on-apple-silicon-socs-rwtusum6u twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Linux Dealing With Apple's Wild Mess Of Sensors On Apple Silicon SoCs | daily.dev og:description: Linux contributor James Calligeros is working to fix Apple SMC hardware monitoring (HWMON) support for Apple Silicon SoCs on Linux. The challenge stems from... og:url: https://daily.dev/posts/linux-dealing-with-apple-s-wild-mess-of-sensors-on-apple-silicon-socs-rwtusum6u og:image: https://api.daily.dev/og/posts/RwTuSum6U.png og:image:alt: Linux Dealing With Apple's Wild Mess Of Sensors On Apple Silicon SoCs og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Linux Dealing With Apple's Wild Mess Of Sensors On Apple Silicon SoCs **[Phoronix](https://daily.dev/sources/phoronix)** · 3 min read · 0 upvotes · 0 comments ## Summary Linux contributor James Calligeros is working to fix Apple SMC hardware monitoring (HWMON) support for Apple Silicon SoCs on Linux. The challenge stems from Apple's inconsistent sensor layout across M-series chips — some sensors are universal, others are device- or SoC-specific, and some vary even within the same SoC depending on the device. The proposed solution uses a hierarchy of .dtsi files to compose sensor sets per device class, SoC, and device, avoiding duplication in Device Tree definitions. The patch series was posted to the Linux kernel mailing list and covers temperature, voltage, power, and fan speed data. Work on booting Apple M3 and M4 hardware on Linux is also ongoing in parallel. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### Why is Linux hardware monitoring for Apple Silicon Macs still incomplete? The Apple System Management Controller exposes temperature, voltage, power, and fan speed data through hundreds of sensors using an inconsistent FourCC key-value system, where sensor keys vary by SoC and even by specific device model. Required Device Tree nodes for the SMC hwmon driver were missing from the mainline kernel, so a new patch series organizes sensors into layered dtsi files (common, SoC-specific, device-class, and per-device) to add support incrementally. _Follow kernel patch progress on daily.dev to know when Apple Silicon sensor support lands in mainline Linux._ ## Similar posts on daily.dev - [Linux 6.19 Brings Temperature Monitoring For The Steam Deck APU, Apple Silicon SMC](https://daily.dev/posts/linux-6-19-brings-temperature-monitoring-for-the-steam-deck-apu-apple-silicon-smc-zltibj7um) · Phoronix · 0 upvotes · 0 comments - [Linux 7.1 Lands The Apple SMC Power Driver For Reporting Battery Metrics On MacBooks](https://daily.dev/posts/linux-7-1-lands-the-apple-smc-power-driver-for-reporting-battery-metrics-on-macbooks-nj0k3cxhg) · Phoronix · 0 upvotes · 0 comments - [olvvier/apple-silicon-accelerometer: reading the undocumented mems accelerometer on apple silicon macbooks via iokit hid](https://daily.dev/posts/olvvier-apple-silicon-accelerometer-reading-the-undocumented-mems-accelerometer-on-apple-silicon-ma-zusdwvebb) · Hacker News · 1 upvotes · 0 comments - [Initial Apple M3 Pro / Max / Ultra Support Being Upstreamed For Linux 7.3](https://daily.dev/posts/initial-apple-m3-pro-max-ultra-support-being-upstreamed-for-linux-7-3-by8boyrme) · Phoronix · 0 upvotes · 0 comments - [Progress Report: Linux 6.18](https://daily.dev/posts/progress-report-linux-6-18-xidwuae25) · Asahi Linux · 0 upvotes · 0 comments --- Tags: [#linux](https://daily.dev/tags/linux) [View this post on daily.dev](https://daily.dev/posts/linux-dealing-with-apple-s-wild-mess-of-sensors-on-apple-silicon-socs-rwtusum6u) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Linux Dealing With Apple's Wild Mess Of Sensors On Apple Silicon SoCs","url":"https://daily.dev/posts/linux-dealing-with-apple-s-wild-mess-of-sensors-on-apple-silicon-socs-rwtusum6u","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/linux-dealing-with-apple-s-wild-mess-of-sensors-on-apple-silicon-socs-rwtusum6u"},"datePublished":"2026-07-14T10:45:37.518Z","dateModified":"2026-10-15T02:22:36.140Z","description":"Linux contributor James Calligeros is working to fix Apple SMC hardware monitoring (HWMON) support for Apple Silicon SoCs on Linux. 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Required Device Tree nodes for the SMC hwmon driver were missing from the mainline kernel, so a new patch series organizes sensors into layered dtsi files (common, SoC-specific, device-class, and per-device) to add support incrementally. Follow kernel patch progress on daily.dev to know when Apple Silicon sensor support lands in mainline Linux."}}]} ```