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drivers: spi: esp32: add basic SPI master support

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Include SPI master support for blocking and asynchronous calls.

Signed-off-by: Glauber Maroto Ferreira <glauber.ferreira@espressif.com>
This commit is contained in:
Glauber Maroto Ferreira 2020-12-16 08:50:24 -03:00 • committed by Anas Nashif
commit 74922049ba
10 changed files with 616 additions and 0 deletions
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3
soc/xtensa/esp32/linker.ld
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@ -39,6 +39,9 @@ PROVIDE ( crc32_le = 0x4005cfec );
PROVIDE ( Cache_Read_Disable_rom = 0x40009ab8 );
PROVIDE ( Cache_Read_Enable_rom = 0x40009a84 );
PROVIDE ( Cache_Read_Init_rom = 0x40009950 );
PROVIDE ( SPI1 = 0x3ff42fff );
PROVIDE ( SPI2 = 0x3ff64fff );
PROVIDE ( SPI3 = 0x3ff65fff );
PROVIDE ( esp32_rom_uart_tx_one_char = 0x40009200 );
PROVIDE ( esp32_rom_uart_rx_one_char = 0x400092d0 );