7  * SPDX-License-Identifier: Apache-2.0
22 /* Macros to fill up prescaler values */
42 static uint32_t get_bus_clock(uint32_t clock, uint32_t prescaler)  in get_bus_clock()  argument
44 	return clock / prescaler;  in get_bus_clock()
112 	__ASSERT(0, "No SYSCLK Source configured");  in get_sysclk_frequency()
144 	return -ENOTSUP;  in enabled_clock()
155 	if (IN_RANGE(pclken->bus, STM32_PERIPH_BUS_MIN, STM32_PERIPH_BUS_MAX) == 0) {  in stm32_clock_control_on()
157 		return -ENOTSUP;  in stm32_clock_control_on()
160 	sys_set_bits(DT_REG_ADDR(DT_NODELABEL(rcc)) + pclken->bus,  in stm32_clock_control_on()
161 		     pclken->enr);  in stm32_clock_control_on()
163 	temp = sys_read32(DT_REG_ADDR(DT_NODELABEL(rcc)) + pclken->bus);  in stm32_clock_control_on()
176 	if (IN_RANGE(pclken->bus, STM32_PERIPH_BUS_MIN, STM32_PERIPH_BUS_MAX) == 0) {  in stm32_clock_control_off()
178 		return -ENOTSUP;  in stm32_clock_control_off()
181 	sys_clear_bits(DT_REG_ADDR(DT_NODELABEL(rcc)) + pclken->bus,  in stm32_clock_control_off()
182 		       pclken->enr);  in stm32_clock_control_off()
197 	err = enabled_clock(pclken->bus);  in stm32_clock_control_configure()
203 	sys_set_bits(DT_REG_ADDR(DT_NODELABEL(rcc)) + STM32_CLOCK_REG_GET(pclken->enr),  in stm32_clock_control_configure()
204 		     STM32_CLOCK_VAL_GET(pclken->enr) << STM32_CLOCK_SHIFT_GET(pclken->enr));  in stm32_clock_control_configure()
216 	 * Get AHB Clock (= SystemCoreClock = SYSCLK/prescaler)  in stm32_clock_control_get_subsys_rate()
228 	switch (pclken->bus) {  in stm32_clock_control_get_subsys_rate()
342 		return -ENOTSUP;  in stm32_clock_control_get_subsys_rate()
345 	if (pclken->div) {  in stm32_clock_control_get_subsys_rate()
346 		*rate /= (pclken->div + 1);  in stm32_clock_control_get_subsys_rate()
375 		return -ERANGE;  in get_vco_input_range()
440 	 * (Switching to HSI makes sure we have a SYSCLK source in  in set_up_plls()
461 		return -ENOTSUP;  in set_up_plls()
514 		return -ENOTSUP;  in set_up_plls()
568 		return -ENOTSUP;  in set_up_plls()
763 		return -ENOTSUP;  in stm32_clock_control_init()