linux-kernel - [PATCH] ARM: dts: microchip: sama7d65: add uart3 definition for flexcom3 peripheral

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Message-ID: <20250905092044.25429-1-nicolas.ferre@microchip.com>
Date: Fri, 5 Sep 2025 11:20:44 +0200
From: <nicolas.ferre@...rochip.com>
To: Alexandre Belloni <alexandre.belloni@...tlin.com>, Claudiu Beznea
	<claudiu.beznea@...on.dev>
CC: Ryan Wanner <ryan.wanner@...rochip.com>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, Nicolas Ferre
	<nicolas.ferre@...rochip.com>
Subject: [PATCH] ARM: dts: microchip: sama7d65: add uart3 definition for flexcom3 peripheral

From: Nicolas Ferre <nicolas.ferre@...rochip.com>

Add the definition of uart3 at the side of i2c3 for flexcom3.

Signed-off-by: Nicolas Ferre <nicolas.ferre@...rochip.com>
Reviewed-by: Ryan Wanner <ryan.wanner@...rochip.com>
---
 arch/arm/boot/dts/microchip/sama7d65.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm/boot/dts/microchip/sama7d65.dtsi b/arch/arm/boot/dts/microchip/sama7d65.dtsi
index 84bac1d29421..9f3340c4ccf4 100644
--- a/arch/arm/boot/dts/microchip/sama7d65.dtsi
+++ b/arch/arm/boot/dts/microchip/sama7d65.dtsi
@@ -506,6 +506,21 @@ flx3: flexcom@...2c000 {
 			#size-cells = <1>;
 			status = "disabled";
 
+			uart3: serial@200 {
+				compatible = "microchip,sama7d65-usart", "atmel,at91sam9260-usart";
+				reg = <0x200 0x200>;
+				atmel,usart-mode = <AT91_USART_MODE_SERIAL>;
+				interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&pmc PMC_TYPE_PERIPHERAL 37>;
+				clock-names = "usart";
+				dmas = <&dma0 AT91_XDMAC_DT_PERID(12)>,
+				       <&dma0 AT91_XDMAC_DT_PERID(11)>;
+				dma-names = "tx", "rx";
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "disabled";
+			};
+
 			i2c3: i2c@600 {
 				compatible = "microchip,sama7d65-i2c", "microchip,sam9x60-i2c";
 				reg = <0x600 0x200>;
-- 
2.43.0