[PATCH 4/5] ARM: dts: microchip: sama7d65: add fifo-size to usart

nicolas.ferre at microchip.com nicolas.ferre at microchip.com
Fri Jan 2 09:01:33 PST 2026


From: Nicolas Ferre <nicolas.ferre at microchip.com>

When missing, add the atmel,fifo-size = <32> property for usart nodes in
flexcom.

Signed-off-by: Nicolas Ferre <nicolas.ferre at microchip.com>
---
 arch/arm/boot/dts/microchip/sama7d65.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/boot/dts/microchip/sama7d65.dtsi b/arch/arm/boot/dts/microchip/sama7d65.dtsi
index 92d92228f0a5..82781a1dbd6d 100644
--- a/arch/arm/boot/dts/microchip/sama7d65.dtsi
+++ b/arch/arm/boot/dts/microchip/sama7d65.dtsi
@@ -414,6 +414,7 @@ uart0: serial at 200 {
 				dma-names = "tx", "rx";
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
+				atmel,fifo-size = <32>;
 				atmel,usart-mode = <AT91_USART_MODE_SERIAL>;
 				status = "disabled";
 			};
@@ -492,6 +493,7 @@ uart2: serial at 200 {
 				dma-names = "tx", "rx";
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
+				atmel,fifo-size = <32>;
 				atmel,usart-mode = <AT91_USART_MODE_SERIAL>;
 				status = "disabled";
 			};
@@ -517,6 +519,7 @@ uart3: serial at 200 {
 				dma-names = "tx", "rx";
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
+				atmel,fifo-size = <32>;
 				atmel,usart-mode = <AT91_USART_MODE_SERIAL>;
 				status = "disabled";
 			};
-- 
2.43.0




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