Linux preempt-rt

Check our new training course

Real-Time Linux with PREEMPT_RT

Check our new training course
with Creative Commons CC-BY-SA
lecture and lab materials

Bootlin logo

Elixir Cross Referencer

# STM32G4 PLL configuration options

# Copyright (c) 2019 Richard Osterloh <richard.osterloh@gmail.com>
# SPDX-License-Identifier: Apache-2.0

if SOC_SERIES_STM32G4X

config CLOCK_STM32_PLL_M_DIVISOR
	int "PLL divisor"
	depends on CLOCK_STM32_SYSCLK_SRC_PLL
	default 4
	range 1 16
	help
	  PLL divisor, allowed values: 1-16.

config CLOCK_STM32_PLL_N_MULTIPLIER
	int "PLL multiplier"
	depends on CLOCK_STM32_SYSCLK_SRC_PLL
	default 75
	range 8 127
	help
	  PLL multiplier, allowed values: 8-127.

config CLOCK_STM32_PLL_P_DIVISOR
	int "PLL P Divisor"
	depends on CLOCK_STM32_SYSCLK_SRC_PLL
	default 7
	range 7 17
	help
	  PLL P Output divisor, allowed values: 7, 17.

config CLOCK_STM32_PLL_Q_DIVISOR
	int "PLL Q Divisor"
	depends on CLOCK_STM32_SYSCLK_SRC_PLL
	default 2
	range 2 8
	help
	  PLL Q Output divisor, allowed values: 2, 4, 6, 8.

config CLOCK_STM32_PLL_R_DIVISOR
	int "PLL R Divisor"
	depends on CLOCK_STM32_SYSCLK_SRC_PLL
	default 2
	range 2 8
	help
	  PLL R Output divisor, allowed values: 2, 4, 6, 8.

config CLOCK_STM32_LSE
	bool "Low-speed external clock"
	help
	  Enable the low-speed external (LSE) clock supplied with a 32.768 kHz
	  crystal resonator oscillator.

endif # SOC_SERIES_STM32L4X || SOC_SERIES_STM32WBX