Drivers use the standard Linux Regulator API framework ( regulator_get , regulator_enable ).
Below is an example of an abstracted ARM64 driver node configuration for the MSM8953 Global Clock Controller: devicetree
When configuring the kernel for MSM8953, several flags must be enabled:
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: Dual Image Signal Processors (ISPs) supporting up to 24 MP sensors, alongside a dedicated video processing unit (VPU) for 4K H.264/H.265 playback.
The kernel uses Qualcomm's RPM (Resource Power Manager) drivers. This allows the processor cores to dynamically scale their frequencies and voltages, preventing the device from overheating or draining the battery while idle. Audio (ASoC)
arm64 driver, you must address the core architecture of the SoC and its integration with the Linux kernel's Device Tree (DTS)