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drivers: i2s: stm32_sai: add sai support for stm32g4xx #93480

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Merged
merged 3 commits into from
Oct 2, 2025
Merged

drivers: i2s: stm32_sai: add sai support for stm32g4xx #93480

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558ddcf
dts: st: g4: add sai node for stm32g4xx
mariopaja Jul 22, 2025
13b17ed
drivers: i2s: stm32_sai: add support for stm32g4xx series
mariopaja Sep 8, 2025
b0d7572
samples: i2s: output: add nucleo_g431kb
mariopaja Jul 24, 2025
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12 changes: 8 additions & 4 deletions drivers/i2s/i2s_stm32_sai.c
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Original file line number Diff line number Diff line change
Expand Up @@ -286,7 +286,8 @@ static int i2s_stm32_sai_dma_init(const struct device *dev)
hdma->Init.Request = dma_cfg.dma_slot;
hdma->Init.Mode = DMA_NORMAL;

#if defined(CONFIG_SOC_SERIES_STM32H7X) || defined(CONFIG_SOC_SERIES_STM32L4X)
#if defined(CONFIG_SOC_SERIES_STM32H7X) || defined(CONFIG_SOC_SERIES_STM32L4X) || \
defined(CONFIG_SOC_SERIES_STM32G4X)
hdma->Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
hdma->Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
hdma->Init.Priority = DMA_PRIORITY_HIGH;
Expand All @@ -310,7 +311,8 @@ static int i2s_stm32_sai_dma_init(const struct device *dev)
if (stream->dma_cfg.channel_direction == (enum dma_channel_direction)MEMORY_TO_PERIPHERAL) {
hdma->Init.Direction = DMA_MEMORY_TO_PERIPH;

#if !defined(CONFIG_SOC_SERIES_STM32H7X) && !defined(CONFIG_SOC_SERIES_STM32L4X)
#if !defined(CONFIG_SOC_SERIES_STM32H7X) && !defined(CONFIG_SOC_SERIES_STM32L4X) && \
!defined(CONFIG_SOC_SERIES_STM32G4X)
hdma->Init.SrcInc = DMA_SINC_INCREMENTED;
hdma->Init.DestInc = DMA_DINC_FIXED;
#endif
Expand All @@ -319,7 +321,8 @@ static int i2s_stm32_sai_dma_init(const struct device *dev)
} else {
hdma->Init.Direction = DMA_PERIPH_TO_MEMORY;

#if !defined(CONFIG_SOC_SERIES_STM32H7X) && !defined(CONFIG_SOC_SERIES_STM32L4X)
#if !defined(CONFIG_SOC_SERIES_STM32H7X) && !defined(CONFIG_SOC_SERIES_STM32L4X) && \
!defined(CONFIG_SOC_SERIES_STM32G4X)
hdma->Init.SrcInc = DMA_SINC_FIXED;
hdma->Init.DestInc = DMA_DINC_INCREMENTED;
#endif
Expand All @@ -338,7 +341,8 @@ static int i2s_stm32_sai_dma_init(const struct device *dev)
LOG_ERR("HAL_DMA_ConfigChannelAttributes: <Failed>");
return -EIO;
}
#elif !defined(CONFIG_SOC_SERIES_STM32H7X) && !defined(CONFIG_SOC_SERIES_STM32L4X)
#elif !defined(CONFIG_SOC_SERIES_STM32H7X) && !defined(CONFIG_SOC_SERIES_STM32L4X) && \
!defined(CONFIG_SOC_SERIES_STM32G4X)
if (HAL_DMA_ConfigChannelAttributes(&dev_data->hdma, DMA_CHANNEL_NPRIV) != HAL_OK) {
LOG_ERR("HAL_DMA_ConfigChannelAttributes: <Failed>");
return -EIO;
Expand Down