commit 5513657e100aa853e7f2e2dabdca636334f5b2ba
author Aksel Skauge Mellbye <aksel.mellbye@silabs.com> Tue Apr 30 11:24:42 2024 +0200
committer Alberto Escolar <alberto.escolar.piedras@nordicsemi.no> Wed Jun 12 18:52:17 2024 +0200
tree ebd8e9927a438cf31d0c8531d39fd55fbd73a1b2
parent 9b3f41de55cbccff1dec9008c775f6f8609ed4f1

drivers: spi: gecko: Add support for devices with a single USART

This commit adds support for devices such as EFR32xG24 in the SPI
driver, as these devices only have a single USART peripheral.

Signed-off-by: Aksel Skauge Mellbye <aksel.mellbye@silabs.com>

drivers/spi/spi_gecko.c

diff --git a/drivers/spi/spi_gecko.c b/drivers/spi/spi_gecko.c
index d074857..5baaa57 100644
--- a/drivers/spi/spi_gecko.c
+++ b/drivers/spi/spi_gecko.c
@@ -33,7 +33,10 @@
 #define CLOCK_USART(id) _CONCAT(cmuClock_USART, id)
 #define GET_GECKO_USART_CLOCK(n) CLOCK_USART(DT_INST_PROP(n, peripheral_id))
 #else
-#if (USART_COUNT <= 2)
+#if (USART_COUNT == 1)
+#define CLOCK_USART(ref)	(((ref) == USART0) ? cmuClock_USART0 \
+			       : -1)
+#elif (USART_COUNT == 2)
 #define CLOCK_USART(ref)	(((ref) == USART0) ? cmuClock_USART0 \
 			       : ((ref) == USART1) ? cmuClock_USART1 \
 			       : -1)