From: Manikandan Muralidharan <manikandan.m@microchip.com>

The UART submodule in Flexcom has 16-byte Transmit and Receive FIFOs.

Signed-off-by: Manikandan Muralidharan <manikandan.m@microchip.com>
Signed-off-by: Durai Manickam KR <durai.manickamkr@microchip.com>
---
 arch/arm/boot/dts/sam9x60.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/sam9x60.dtsi b/arch/arm/boot/dts/sam9x60.dtsi
index ee6cc4329ae4..1e401a919f56 100644
--- a/arch/arm/boot/dts/sam9x60.dtsi
+++ b/arch/arm/boot/dts/sam9x60.dtsi
@@ -209,6 +209,7 @@ AT91_XDMAC_DT_PER_IF(1) |
 					clock-names = "usart";
 					atmel,use-dma-rx;
 					atmel,use-dma-tx;
+					atmel,fifo-size = <16>;
 					status = "disabled";
 				};
 			};
-- 
2.25.1

On 03.02.2023 05:48, Durai Manickam KR wrote:
> From: Manikandan Muralidharan <manikandan.m@microchip.com>
> 
> The UART submodule in Flexcom has 16-byte Transmit and Receive FIFOs.
> 
> Signed-off-by: Manikandan Muralidharan <manikandan.m@microchip.com>
> Signed-off-by: Durai Manickam KR <durai.manickamkr@microchip.com>

Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>


> ---
>  arch/arm/boot/dts/sam9x60.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/boot/dts/sam9x60.dtsi b/arch/arm/boot/dts/sam9x60.dtsi
> index ee6cc4329ae4..1e401a919f56 100644
> --- a/arch/arm/boot/dts/sam9x60.dtsi
> +++ b/arch/arm/boot/dts/sam9x60.dtsi
> @@ -209,6 +209,7 @@ AT91_XDMAC_DT_PER_IF(1) |
>  					clock-names = "usart";
>  					atmel,use-dma-rx;
>  					atmel,use-dma-tx;
> +					atmel,fifo-size = <16>;
>  					status = "disabled";
>  				};
>  			};