From 4b098033279ef20f3a05de1cfc64ad6b9699688f Mon Sep 17 00:00:00 2001 From: Tudor Ambarus Date: Thu, 14 May 2020 05:03:11 +0000 Subject: [PATCH] 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 Link: https://lore.kernel.org/r/20200514050301.147442-8-tudor.ambarus@microchip.com Signed-off-by: Alexandre Belloni --- arch/arm/boot/dts/sama5d2.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi index acb9190..dde969a 100644 --- 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"; }; }; -- 2.7.4