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Silabs siwx91x gpdma driver #93556

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Silabs siwx91x gpdma driver #93556

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7dee12b
drivers: dma: siwx91x: GPDMA clock initialization for siwx91x
smalae Jul 21, 2025
3462d18
drivers: dma: siwx91x: Add siwx91x GPDMA driver
smalae Jul 21, 2025
0715322
drivers: dma: siwx91x: DTS changes for siwx91x GPDMA driver
smalae Jul 21, 2025
0eefc06
drivers: dma: siwx91x: dma_chan_blen test app support
smalae Jul 21, 2025
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3 changes: 3 additions & 0 deletions drivers/clock_control/clock_control_silabs_siwx91x.c
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Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,9 @@ static int siwx91x_clock_on(const struct device *dev, clock_control_subsys_t sys
case SIWX91X_ADC_CLK:
RSI_ADC_PowerControl(ADC_POWER_ON);
break;
case SIWX91X_CLK_GPDMA0:
RSI_CLK_PeripheralClkEnable(M4CLK, RPDMA_CLK, ENABLE_STATIC_CLK);
break;
default:
return -EINVAL;
}
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1 change: 1 addition & 0 deletions drivers/dma/CMakeLists.txt
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Expand Up @@ -44,6 +44,7 @@ zephyr_library_sources_ifdef(CONFIG_DMA_SEDI dma_sedi.c)
zephyr_library_sources_ifdef(CONFIG_DMA_SI32 dma_si32.c)
zephyr_library_sources_ifdef(CONFIG_DMA_SILABS_LDMA dma_silabs_ldma.c)
zephyr_library_sources_ifdef(CONFIG_DMA_SILABS_SIWX91X dma_silabs_siwx91x.c)
zephyr_library_sources_ifdef(CONFIG_DMA_SILABS_SIWX91X_GPDMA dma_silabs_siwx91x_gpdma.c)
zephyr_library_sources_ifdef(CONFIG_DMA_SMARTBOND dma_smartbond.c)
zephyr_library_sources_ifdef(CONFIG_DMA_NXP_SOF_HOST_DMA dma_nxp_sof_host_dma.c)
zephyr_library_sources_ifdef(CONFIG_DMA_EMUL dma_emul.c)
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16 changes: 16 additions & 0 deletions drivers/dma/Kconfig.siwx91x
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Expand Up @@ -9,10 +9,26 @@ config DMA_SILABS_SIWX91X
help
Enable the High Power(HP)/Ultra Low Power(ULP) DMA driver for the Silabs SiWx91x SoC series.

config DMA_SILABS_SIWX91X_GPDMA
bool "Silabs SiWx91x GPDMA driver"
default y
select SYS_MEM_BLOCKS
depends on DT_HAS_SILABS_GPDMA_ENABLED
help
Enable the GDMA driver for the Silabs SiWx91x SoC series.

if DMA_SILABS_SIWX91X

config DMA_SILABS_SIWX91X_SG_BUFFER_COUNT
int "The maximum allowable number of buffers for scatter-gather transfers"
default 30

endif

if DMA_SILABS_SIWX91X_GPDMA

config GPDMA_SILABS_SIWX91X_DESCRIPTOR_COUNT
int "The maximum GPDMA descriptor count"
default 32

endif
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