michaelh/zephyr
1
0
Fork 0
Code Releases Activity

drivers: entropy: add support for stm32wl and stm32g0

Browse source 
This commit adds entropy support for stm32wl and stm32g0.

Pll is used as clock source and has to be enabled,
other clock sources are not supported at the moment.

Signed-off-by: Thomas Stranger <thomas.stranger@outlook.com>
This commit is contained in:
Thomas Stranger 2021-07-04 16:03:33 +02:00 • committed by Christopher Friedt
commit a587c25156
1 changed files with 3 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
drivers/entropy/entropy_stm32.c
View file

@ -382,6 +382,9 @@ static int entropy_stm32_rng_init(const struct device *dev)
* Linear Feedback Shift Register
*/
LL_RCC_SetRNGClockSource(LL_RCC_RNG_CLKSOURCE_PLLSAI1);
#elif CONFIG_SOC_SERIES_STM32WLX || CONFIG_SOC_SERIES_STM32G0X
LL_RCC_PLL_EnableDomain_RNG();
LL_RCC_SetRNGClockSource(LL_RCC_RNG_CLKSOURCE_PLL);
#elif defined(RCC_CR2_HSI48ON) || defined(RCC_CR_HSI48ON) \
|| defined(RCC_CRRCR_HSI48ON)