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drivers/usbdev_synopsys_dwc2: fix power modes for STM32

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This commit is contained in:
Gunar Schorcht 2023-03-07 01:23:02 +01:00
parent d35fa914c8
commit ff9e9e3a7c
1 changed files with 14 additions and 5 deletions
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19
drivers/usbdev_synopsys_dwc2/usbdev_synopsys_dwc2.c
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@ -623,10 +623,19 @@ static void _flush_rx_fifo(const dwc2_usb_otg_fshs_config_t *conf)
static void _sleep_periph(const dwc2_usb_otg_fshs_config_t *conf)
{
*_pcgcctl_reg(conf) |= USB_OTG_PCGCCTL_STOPCLK;
/* Unblocking STM32_PM_STOP during suspend on the stm32f446 breaks
* while (un)blocking works on the stm32f401, needs more
* investigation with a larger set of chips */
#if defined(STM32_USB_OTG_CID_1x)
#if defined(MCU_STM32)
/* Unblocking STM32_PM_STOP during suspend on the stm32f446 breaks while
* (un)blocking works on the stm32f401, needs more investigation.
* Works with:
* stm32f407vg FS CID: 1200, HWREV: 4f54281a, HWCFG: 229dcd20
* stm32f429zi HS CID: 1100, HWREV: 4f54281a, HWCFG: 229ed590
* stm32f439zi FS CID: 1200, HWREV: 4f54281a, HWCFG: 229dcd20
* stm32f723ie FS CID: 3000, HWREV: 4f54330a, HWCFG: 229ed520
* stm32f723ie HS CID: 3100, HWREV: 4f54330a, HWCFG: 229fe1d0
* stm32f746ng FS CID: 2000, HWREV: 4f54320a, HWCFG: 229ed520
* stm32f746ng HS CID: 2100, HWREV: 4f54320a, HWCFG: 229fe190
* stm32f767zi FS CID: 2000, HWREV: 4f54320a, HWCFG: 229ed520
*/
pm_unblock(STM32_PM_STOP);
#elif defined(MCU_EFM32)
/* switch USB core clock source either to LFXO or LFRCO */
@ -639,7 +648,7 @@ static void _sleep_periph(const dwc2_usb_otg_fshs_config_t *conf)
static void _wake_periph(const dwc2_usb_otg_fshs_config_t *conf)
{
#if defined(STM32_USB_OTG_CID_1x)
#if defined(MCU_STM32)
pm_block(STM32_PM_STOP);
#elif defined(MCU_EFM32)
pm_block(EFM32_PM_MODE_EM2);