ARM: dts: at91: sama5d2: Specify the FIFO size for the Flexcom UART

The UART submodule in Flexcom has 32-byte Transmit and Receive FIFOs. Tested uart7 on sama5d2-icp, which has both DMA and FIFO enabled. Signed-off-by: Tudor Ambarus <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Alexandre Belloni <[email protected]>
soumdtt · May 15, 2020 · 4b09803 · 4b09803
1 parent 56cd4b9
commit 4b09803
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
@@ -701,6 +701,7 @@
 						 AT91_XDMAC_DT_PER_IF(1) |
 						 AT91_XDMAC_DT_PERID(14))>;
 					dma-names = "tx", "rx";
+					atmel,fifo-size = <32>;
 					status = "disabled";
 				};
 
@@ -879,6 +880,7 @@
 						 AT91_XDMAC_DT_PER_IF(1) |
 						 AT91_XDMAC_DT_PERID(16))>;
 					dma-names = "tx", "rx";
+					atmel,fifo-size = <32>;
 					status = "disabled";
 				};
 			};