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xtensa/esp32s3: Add DMA peripheral to spi driver configuration

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Signed-off-by: chenwen@espressif.com <chenwen@espressif.com>
This commit is contained in:
chenwen@espressif.com
2024-01-22 11:54:35 +08:00
committed by Xiang Xiao
parent b3b8ec35a6
commit ba1b96e9d9
1 changed files with 5 additions and 11 deletions
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arch/xtensa/src/esp32s3/esp32s3_spi.c
+5 -11
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@@ -137,6 +137,7 @@ struct esp32s3_spi_config_s
#ifdef CONFIG_ESP32S3_SPI_DMA
uint32_t dma_clk_bit; /* DMA clock enable bit */
uint32_t dma_rst_bit; /* DMA reset bit */
uint8_t dma_periph; /* DMA peripheral */
#endif
uint32_t cs_insig; /* SPI CS input signal index */
uint32_t cs_outsig; /* SPI CS output signal index */
@@ -251,6 +252,7 @@ static const struct esp32s3_spi_config_s esp32s3_spi2_config =
#ifdef CONFIG_ESP32S3_SPI_DMA
.dma_clk_bit = SYSTEM_SPI2_DMA_CLK_EN,
.dma_rst_bit = SYSTEM_SPI2_DMA_RST,
.dma_periph = ESP32S3_DMA_PERIPH_SPI2,
#endif
.cs_insig = FSPICS0_IN_IDX,
.cs_outsig = FSPICS0_OUT_IDX,
@@ -345,6 +347,7 @@ static const struct esp32s3_spi_config_s esp32s3_spi3_config =
#ifdef CONFIG_ESP32S3_SPI_DMA
.dma_clk_bit = SYSTEM_SPI3_DMA_CLK_EN,
.dma_rst_bit = SYSTEM_SPI3_DMA_RST,
.dma_periph = ESP32S3_DMA_PERIPH_SPI3,
#endif
.cs_insig = SPI3_CS0_IN_IDX,
.cs_outsig = SPI3_CS0_OUT_IDX,
@@ -1352,17 +1355,8 @@ void esp32s3_spi_dma_init(struct spi_dev_s *dev)
/* Request a GDMA channel for SPI peripheral */
if (priv->config->id == 2)
{
priv->dma_channel = esp32s3_dma_request(ESP32S3_DMA_PERIPH_SPI2, 1, 1,
true);
}
else if (priv->config->id == 3)
{
priv->dma_channel = esp32s3_dma_request(ESP32S3_DMA_PERIPH_SPI3, 1, 1,
true);
}
priv->dma_channel = esp32s3_dma_request(priv->config->dma_periph, 1, 1,
true);
if (priv->dma_channel < 0)
{
spierr("Failed to allocate GDMA channel\n");