What (SPI, I2C, GPIO, display, camera) you are writing this driver for.
Modern ARM64 Linux kernels completely decouple driver logic from hardware topology using Device Trees. To load your driver, you must define the device node in the MSM8953 Device Tree ( .dtsi or .dts files).
Use explicit type definitions such as u32 , u64 , readl() , and readq() when touching hardware registers. msm8953 for arm64 driver high quality
Moving away from the "downstream" Android 3.18 kernel to modern 5.x or 6.x kernels for security. 4. Memory Management The chip uses LPDDR3 memory. Drivers must handle:
Before discussing drivers, we must understand the target. The MSM8953 is a native processor. While it can run 32-bit code, its primary instruction set is ARM64 (AArch64). The SoC comprises: What (SPI, I2C, GPIO, display, camera) you are
Within this ecosystem, several community-driven tools have emerged to simplify driver development for this platform:
Prioritize using drivers and patches that are either already in the mainline Linux kernel or are actively being prepared for it. This ensures a baseline of quality and security that downstream-only code cannot guarantee. Use explicit type definitions such as u32 ,
Are you hitting any specific during driver initialization?