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drivers: clock: stm32: h7: remove power supply config

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The power supply configuration is already set during
the early H7 soc init.

Let the clock initialization handle the voltage scaling.

Signed-off-by: Georgij Cernysiov <geo.cgv@gmail.com>
This commit is contained in:
Georgij Cernysiov 2025-03-19 11:03:13 +01:00 committed by Benjamin Cabé
parent b2b6b9be7e
commit 1989bef5e3
1 changed files with 2 additions and 40 deletions
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42
drivers/clock_control/clock_stm32_ll_h7.c
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@ -249,27 +249,6 @@ static uint32_t get_hclk_frequency(void)
static int32_t prepare_regulator_voltage_scale(void)
{
/* Apply system power supply configuration */
#if defined(SMPS) && defined(CONFIG_POWER_SUPPLY_DIRECT_SMPS)
LL_PWR_ConfigSupply(LL_PWR_DIRECT_SMPS_SUPPLY);
#elif defined(SMPS) && defined(CONFIG_POWER_SUPPLY_SMPS_1V8_SUPPLIES_LDO)
LL_PWR_ConfigSupply(LL_PWR_SMPS_1V8_SUPPLIES_LDO);
#elif defined(SMPS) && defined(CONFIG_POWER_SUPPLY_SMPS_2V5_SUPPLIES_LDO)
LL_PWR_ConfigSupply(LL_PWR_SMPS_2V5_SUPPLIES_LDO);
#elif defined(SMPS) && defined(CONFIG_POWER_SUPPLY_SMPS_1V8_SUPPLIES_EXT_AND_LDO)
LL_PWR_ConfigSupply(LL_PWR_SMPS_1V8_SUPPLIES_EXT_AND_LDO);
#elif defined(SMPS) && defined(CONFIG_POWER_SUPPLY_SMPS_2V5_SUPPLIES_EXT_AND_LDO)
LL_PWR_ConfigSupply(LL_PWR_SMPS_2V5_SUPPLIES_EXT_AND_LDO);
#elif defined(SMPS) && defined(CONFIG_POWER_SUPPLY_SMPS_1V8_SUPPLIES_EXT)
LL_PWR_ConfigSupply(LL_PWR_SMPS_1V8_SUPPLIES_EXT);
#elif defined(SMPS) && defined(CONFIG_POWER_SUPPLY_SMPS_2V5_SUPPLIES_EXT)
LL_PWR_ConfigSupply(LL_PWR_SMPS_2V5_SUPPLIES_EXT);
#elif defined(CONFIG_POWER_SUPPLY_EXTERNAL_SOURCE)
LL_PWR_ConfigSupply(LL_PWR_EXTERNAL_SOURCE_SUPPLY);
#else
LL_PWR_ConfigSupply(LL_PWR_LDO_SUPPLY);
#endif
/* Make sure to put the CPU in highest Voltage scale during clock configuration */
/* Highest voltage is SCALE0 */
LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE0);
@ -279,6 +258,7 @@ static int32_t prepare_regulator_voltage_scale(void)
while (LL_PWR_IsActiveFlag_VOS() == 0) {
#endif
}
return 0;
}
@ -292,25 +272,6 @@ static int32_t optimize_regulator_voltage_scale(uint32_t sysclk_freq)
/* LL_PWR_REGULATOR_SCALE3 is lowest power consumption */
/* Must be done in accordance to the Maximum allowed frequency vs VOS*/
/* See RM0433 page 352 for more details */
#if defined(SMPS) && defined(CONFIG_POWER_SUPPLY_DIRECT_SMPS)
LL_PWR_ConfigSupply(LL_PWR_DIRECT_SMPS_SUPPLY);
#elif defined(SMPS) && defined(CONFIG_POWER_SUPPLY_SMPS_1V8_SUPPLIES_LDO)
LL_PWR_ConfigSupply(LL_PWR_SMPS_1V8_SUPPLIES_LDO);
#elif defined(SMPS) && defined(CONFIG_POWER_SUPPLY_SMPS_2V5_SUPPLIES_LDO)
LL_PWR_ConfigSupply(LL_PWR_SMPS_2V5_SUPPLIES_LDO);
#elif defined(SMPS) && defined(CONFIG_POWER_SUPPLY_SMPS_1V8_SUPPLIES_EXT_AND_LDO)
LL_PWR_ConfigSupply(LL_PWR_SMPS_1V8_SUPPLIES_EXT_AND_LDO);
#elif defined(SMPS) && defined(CONFIG_POWER_SUPPLY_SMPS_2V5_SUPPLIES_EXT_AND_LDO)
LL_PWR_ConfigSupply(LL_PWR_SMPS_2V5_SUPPLIES_EXT_AND_LDO);
#elif defined(SMPS) && defined(CONFIG_POWER_SUPPLY_SMPS_1V8_SUPPLIES_EXT)
LL_PWR_ConfigSupply(LL_PWR_SMPS_1V8_SUPPLIES_EXT);
#elif defined(SMPS) && defined(CONFIG_POWER_SUPPLY_SMPS_2V5_SUPPLIES_EXT)
LL_PWR_ConfigSupply(LL_PWR_SMPS_2V5_SUPPLIES_EXT);
#elif defined(CONFIG_POWER_SUPPLY_EXTERNAL_SOURCE)
LL_PWR_ConfigSupply(LL_PWR_EXTERNAL_SOURCE_SUPPLY);
#else
LL_PWR_ConfigSupply(LL_PWR_LDO_SUPPLY);
#endif
LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE0);
#if defined(CONFIG_SOC_SERIES_STM32H7RSX)
while (LL_PWR_IsActiveFlag_VOSRDY() == 0) {
@ -318,6 +279,7 @@ static int32_t optimize_regulator_voltage_scale(uint32_t sysclk_freq)
while (LL_PWR_IsActiveFlag_VOS() == 0) {
#endif
};
return 0;
}