Ouss4 commented on a change in pull request #1610:
URL: https://github.com/apache/incubator-nuttx/pull/1610#discussion_r473945259
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File path: arch/xtensa/src/esp32/Kconfig
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@@ -362,11 +362,53 @@ endmenu # I2C configuration
menu "SPI configuration"
depends on ESP32_SPI
+config ESP32_SPI_SWCS
+ bool "SPI software CS"
+ default y
+ ---help---
+ Use SPI software CS.
+
+config ESP32_SPI_UDCS
+ bool "User defined CS"
+ default n
+ depends on ESP32_SPI_SWCS
+ ---help---
+ Use user defined CS.
+
+choice
+ prompt "DMA owner"
+ default ESP32_SPI2_DMA
+ depends on ESP32_SPI2 || ESP32_SPI3
+ ---help---
+ Select which SPI owns DMA, only one SPI DMA is available, so
+ only one SPI can use DMA.
Review comment:
Ah ok, you wanted to dedicate one DMA channel for SPI1. I think we can
still manage that through Kconfig and have the two channels available for SPI2
and SPI3 in case SPI1 is not used, but I understand if this is how things are
set now and can be improved for another iteration.
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