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Message-ID: <20250427074404.3278732-7-dario.binacchi@amarulasolutions.com>
Date: Sun, 27 Apr 2025 09:43:25 +0200
From: Dario Binacchi <dario.binacchi@...rulasolutions.com>
To: linux-kernel@...r.kernel.org
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
linux-amarula@...rulasolutions.com,
Dario Binacchi <dario.binacchi@...rulasolutions.com>,
Conor Dooley <conor+dt@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Rob Herring <robh@...nel.org>,
devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-stm32@...md-mailman.stormreply.com
Subject: [PATCH 6/8] ARM: dts: stm32: add pin map for UART8 controller on stm32h743
Add a pin map configuration for using the UART8 controller on the
stm32h743 MCU.
Signed-off-by: Dario Binacchi <dario.binacchi@...rulasolutions.com>
---
arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi
index ad00c1080a96..96022afd0168 100644
--- a/arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi
@@ -211,6 +211,19 @@ pins2 {
};
};
+ uart8_pins_a: uart8-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('J', 8, AF8)>; /* UART8_TX */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('J', 9, AF8)>; /* UART8_RX */
+ bias-disable;
+ };
+ };
+
usart1_pins_a: usart1-0 {
pins1 {
pinmux = <STM32_PINMUX('B', 14, AF4)>; /* USART1_TX */
--
2.43.0
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