Driver-level discussion: alp_i2c_*, alp_spi_*, alp_gpio_*, alp_uart_*, alp_pwm_*, alp_adc_*, alp_dac_*, alp_counter_*, alp_qenc_*, alp_i2s_*, alp_can_*, alp_rtc_*, alp_wdt_*, plus the v0.3 surfaces (audio, ble, security, mproc, dsp, power, gpu2d, camera, storage). API reference is generated from the headers under include/alp/.