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-rw-r--r--drivers/serial/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 887cd687c02..fcbb0a81edd 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -508,6 +508,15 @@ config ATMEL_USART
configured in the device tree, and input clock frequency can
be got from the clk node.
+config SPL_UART_CLOCK
+ int "SPL fixed UART input clock"
+ depends on ATMEL_USART && SPL && !SPL_CLK
+ default 132096000 if ARCH_AT91
+ help
+ Provide a fixed clock value as input to the UART controller. This
+ might be needed on platforms which can't enable CONFIG_SPL_CLK
+ because of SPL image size restrictions.
+
config BCM283X_MU_SERIAL
bool "Support for BCM283x Mini-UART"
depends on DM_SERIAL && ARCH_BCM283X