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This patch refactors the power management initialization for the SSP driver across ACE15, ACE20, and ACE30 generations to align with the recommended practices outlined in the documentation. The changes include: 1. Replacing the conditional initialization of power management state with a call to `pm_device_driver_init` in the `ssp_init` function. 2. Adding the `zephyr,pm-device-runtime-auto` property to the SSP nodes in the device tree files for ACE15, ACE20, and ACE30. 3. Moving the power domain assignment for the SSP device in the device tree. The previous configuration resulted in the device not being under any power domain and being initialized as always ON. These changes ensure that the SSP driver is initialized with the appropriate power management state and that runtime power management is automatically enabled based on the device tree configuration. The functionality of the power management state remains unchanged, ensuring consistent behavior. Signed-off-by: Tomasz Leman <tomasz.m.leman@intel.com> |
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.. raw:: html <a href="https://www.zephyrproject.org"> <p align="center"> <picture> <source media="(prefers-color-scheme: dark)" srcset="doc/_static/images/logo-readme-dark.svg"> <source media="(prefers-color-scheme: light)" srcset="doc/_static/images/logo-readme-light.svg"> <img src="doc/_static/images/logo-readme-light.svg"> </picture> </p> </a> <a href="https://bestpractices.coreinfrastructure.org/projects/74"><img src="https://bestpractices.coreinfrastructure.org/projects/74/badge"></a> <a href="https://scorecard.dev/viewer/?uri=github.com/zephyrproject-rtos/zephyr"><img src="https://api.securityscorecards.dev/projects/github.com/zephyrproject-rtos/zephyr/badge"></a> <a href="https://github.com/zephyrproject-rtos/zephyr/actions/workflows/twister.yaml?query=branch%3Amain"><img src="https://github.com/zephyrproject-rtos/zephyr/actions/workflows/twister.yaml/badge.svg?event=push"></a> The Zephyr Project is a scalable real-time operating system (RTOS) supporting multiple hardware architectures, optimized for resource constrained devices, and built with security in mind. The Zephyr OS is based on a small-footprint kernel designed for use on resource-constrained systems: from simple embedded environmental sensors and LED wearables to sophisticated smart watches and IoT wireless gateways. The Zephyr kernel supports multiple architectures, including ARM (Cortex-A, Cortex-R, Cortex-M), Intel x86, ARC, Nios II, Tensilica Xtensa, and RISC-V, SPARC, MIPS, and a large number of `supported boards`_. .. below included in doc/introduction/introduction.rst Getting Started *************** Welcome to Zephyr! See the `Introduction to Zephyr`_ for a high-level overview, and the documentation's `Getting Started Guide`_ to start developing. .. start_include_here Community Support ***************** Community support is provided via mailing lists and Discord; see the Resources below for details. .. _project-resources: Resources ********* Here's a quick summary of resources to help you find your way around: Getting Started --------------- | 📖 `Zephyr Documentation`_ | 🚀 `Getting Started Guide`_ | 🙋🏽 `Tips when asking for help`_ | 💻 `Code samples`_ Code and Development -------------------- | 🌐 `Source Code Repository`_ | 📦 `Releases`_ | 🤝 `Contribution Guide`_ Community and Support --------------------- | 💬 `Discord Server`_ for real-time community discussions | 📧 `User mailing list (users@lists.zephyrproject.org)`_ | 📧 `Developer mailing list (devel@lists.zephyrproject.org)`_ | 📬 `Other project mailing lists`_ | 📚 `Project Wiki`_ Issue Tracking and Security --------------------------- | 🐛 `GitHub Issues`_ | 🔒 `Security documentation`_ | 🛡️ `Security Advisories Repository`_ | ⚠️ Report security vulnerabilities at vulnerabilities@zephyrproject.org Additional Resources -------------------- | 🌐 `Zephyr Project Website`_ | 📺 `Zephyr Tech Talks`_ .. _Zephyr Project Website: https://www.zephyrproject.org .. _Discord Server: https://chat.zephyrproject.org .. _supported boards: https://docs.zephyrproject.org/latest/boards/index.html .. _Zephyr Documentation: https://docs.zephyrproject.org .. _Introduction to Zephyr: https://docs.zephyrproject.org/latest/introduction/index.html .. _Getting Started Guide: https://docs.zephyrproject.org/latest/develop/getting_started/index.html .. _Contribution Guide: https://docs.zephyrproject.org/latest/contribute/index.html .. _Source Code Repository: https://github.com/zephyrproject-rtos/zephyr .. _GitHub Issues: https://github.com/zephyrproject-rtos/zephyr/issues .. _Releases: https://github.com/zephyrproject-rtos/zephyr/releases .. _Project Wiki: https://github.com/zephyrproject-rtos/zephyr/wiki .. _User mailing list (users@lists.zephyrproject.org): https://lists.zephyrproject.org/g/users .. _Developer mailing list (devel@lists.zephyrproject.org): https://lists.zephyrproject.org/g/devel .. _Other project mailing lists: https://lists.zephyrproject.org/g/main/subgroups .. _Code samples: https://docs.zephyrproject.org/latest/samples/index.html .. _Security documentation: https://docs.zephyrproject.org/latest/security/index.html .. _Security Advisories Repository: https://github.com/zephyrproject-rtos/zephyr/security .. _Tips when asking for help: https://docs.zephyrproject.org/latest/develop/getting_started/index.html#asking-for-help .. _Zephyr Tech Talks: https://www.zephyrproject.org/tech-talks