[PATCH 4/9] ARM: dts: stm32: add uart8 node for stm32h743 MCU

[Dario Binacchi]

Add support for UART8 by applying the settings specified in the
reference manual RM0433.

Signed-off-by: Dario Binacchi <dario.binacchi at amarulasolutions.com>
Link: https://lore.kernel.org/r/20250427074404.3278732-6-dario.binacchi@amarulasolutions.com
Signed-off-by: Alexandre Torgue <alexandre.torgue at foss.st.com>

[ upstream commit: 07aa43adae2363c3734055aeba0789536fa0f8f2 ]

---

 dts/upstream/src/arm/st/stm32h743.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/dts/upstream/src/arm/st/stm32h743.dtsi b/dts/upstream/src/arm/st/stm32h743.dtsi
index b8d4c44c8a82..2f19cfbc57ad 100644
--- a/dts/upstream/src/arm/st/stm32h743.dtsi
+++ b/dts/upstream/src/arm/st/stm32h743.dtsi
@@ -211,6 +211,14 @@
 			};
 		};
 
+		uart8: serial at 40007c00 {
+			compatible = "st,stm32h7-uart";
+			reg = <0x40007c00 0x400>;
+			interrupts = <83>;
+			status = "disabled";
+			clocks = <&rcc UART8_CK>;
+		};
+
 		usart1: serial at 40011000 {
 			compatible = "st,stm32h7-uart";
 			reg = <0x40011000 0x400>;
-- 
2.43.0