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drivers: display: temporary fix for PLLSAI on STM32F7

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Temporary fix to configure PLLSAIR multipliers for correct
LTDC pixel clock on STM32F746G Discovery board

Signed-off-by: Tomislav Milkovic <tomislav.milkovic95@gmail.com>
This commit is contained in:
Tomislav Milkovic 2022-05-10 15:31:17 +02:00 • committed by Carles Cufí
commit a5429ac988
1 changed files with 3 additions and 3 deletions
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6
drivers/display/display_stm32_ltdc.c
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@ -262,9 +262,9 @@ static int stm32_ltdc_init(const struct device *dev)
#if defined(CONFIG_SOC_SERIES_STM32F7X) #if defined(CONFIG_SOC_SERIES_STM32F7X)
LL_RCC_PLLSAI_Disable(); LL_RCC_PLLSAI_Disable();
LL_RCC_PLLSAI_ConfigDomain_LTDC(LL_RCC_PLLSOURCE_HSE, LL_RCC_PLLSAI_ConfigDomain_LTDC(LL_RCC_PLLSOURCE_HSE,
LL_RCC_PLLM_DIV_8, LL_RCC_PLLM_DIV_25,
192, 384,
LL_RCC_PLLSAIR_DIV_4, LL_RCC_PLLSAIR_DIV_5,
LL_RCC_PLLSAIDIVR_DIV_8); LL_RCC_PLLSAIDIVR_DIV_8);
LL_RCC_PLLSAI_Enable(); LL_RCC_PLLSAI_Enable();