[PATCH v4 7/9] ARM: dts: Add USART1 pin config to STM32F429 boards
From: mcoquelin.stm32@gmail.com (Maxime Coquelin)
Date: 2016-01-14 12:18:09
Also in:
linux-devicetree, linux-gpio, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
This patch selects USART1 pin configuration on PA9/PA10 pins for both Eval and Disco boards. Acked-by: Linus Walleij <redacted> Acked-by: Patrice Chotard <redacted> Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com> --- arch/arm/boot/dts/stm32429i-eval.dts | 2 ++ arch/arm/boot/dts/stm32f429-disco.dts | 2 ++ arch/arm/boot/dts/stm32f429.dtsi | 13 +++++++++++++ 3 files changed, 17 insertions(+)
diff --git a/arch/arm/boot/dts/stm32429i-eval.dts b/arch/arm/boot/dts/stm32429i-eval.dts
index 6964fc9..71fe17a 100644
--- a/arch/arm/boot/dts/stm32429i-eval.dts
+++ b/arch/arm/boot/dts/stm32429i-eval.dts@@ -71,5 +71,7 @@ }; &usart1 { + pinctrl-0 = <&usart1_pins_a>; + pinctrl-names = "default"; status = "okay"; };
diff --git a/arch/arm/boot/dts/stm32f429-disco.dts b/arch/arm/boot/dts/stm32f429-disco.dts
index f0b731d..e3ce796 100644
--- a/arch/arm/boot/dts/stm32f429-disco.dts
+++ b/arch/arm/boot/dts/stm32f429-disco.dts@@ -71,5 +71,7 @@ }; &usart1 { + pinctrl-0 = <&usart1_pins_a>; + pinctrl-names = "default"; status = "okay"; };
diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
index 62d2b3d..1cf713e 100644
--- a/arch/arm/boot/dts/stm32f429.dtsi
+++ b/arch/arm/boot/dts/stm32f429.dtsi@@ -263,6 +263,19 @@ clocks = <&rcc 0 266>; st,bank-name = "GPIOK"; }; + + usart1_pins_a: usart1 at 0 { + pins1 { + pinmux = <STM32F429_PA9_FUNC_USART1_TX>; + bias-disable; + drive-push-pull; + slew-rate = <0>; + }; + pins2 { + pinmux = <STM32F429_PA10_FUNC_USART1_RX>; + bias-disable; + }; + }; }; rcc: rcc at 40023810 {
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1.9.1