ARM: dts: microchip: sama7d65: fix uart fifo size to 32

On some flexcom nodes related to uart, the fifo sizes were wrong: fix
them to 32 data.  Note that product datasheet is being reviewed to fix
inconsistency, but this value is validated by product's designers.

Fixes: 261dcfad1b59 ("ARM: dts: microchip: add sama7d65 SoC DT")
Fixes: b51e4aea3ecf ("ARM: dts: microchip: sama7d65: Add FLEXCOMs to sama7d65 SoC")
Cc: stable@vger.kernel.org # 6.16+
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20251114103313.20220-1-nicolas.ferre@microchip.com
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>

diff --git a/arch/arm/boot/dts/microchip/sama7d65.dtsi b/arch/arm/boot/dts/microchip/sama7d65.dtsi
index e53e2dd6d530c023c4c66489a50ae2b104cd6e00..cd2cf9a6f40b86b42381f73be174b2373bb77071 100644 (file)
--- a/arch/arm/boot/dts/microchip/sama7d65.dtsi
+++ b/arch/arm/boot/dts/microchip/sama7d65.dtsi
@@ -557,7 +557,7 @@
                                dma-names = "tx", "rx";
                                atmel,use-dma-rx;
                                atmel,use-dma-tx;
-                               atmel,fifo-size = <16>;
+                               atmel,fifo-size = <32>;
                                atmel,usart-mode = <AT91_USART_MODE_SERIAL>;
                                status = "disabled";
                        };
@@ -618,7 +618,7 @@
                                clocks = <&pmc PMC_TYPE_PERIPHERAL 40>;
                                clock-names = "usart";
                                atmel,usart-mode = <AT91_USART_MODE_SERIAL>;
-                               atmel,fifo-size = <16>;
+                               atmel,fifo-size = <32>;
                                status = "disabled";
                        };
                };
@@ -643,7 +643,7 @@
                                dma-names = "tx", "rx";
                                atmel,use-dma-rx;
                                atmel,use-dma-tx;
-                               atmel,fifo-size = <16>;
+                               atmel,fifo-size = <32>;
                                atmel,usart-mode = <AT91_USART_MODE_SERIAL>;
                                status = "disabled";
                        };