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dts: pinctrl: stm32l4: Add alternative USART3 pair

Added (rx: PC5, tx: PC4) as alternative USART3 pair.

Signed-off-by: Ioannis Konstantelias <ikonstadel@gmail.com>
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gon1332 authored and nashif committed Jun 13, 2019
1 parent 61861b6 commit 3ff4e52c7a3538759803d4d33a377e5964252d91
Showing with 7 additions and 1 deletion.
  1. +7 −1 dts/arm/st/l4/stm32l4-pinctrl.dtsi
@@ -1,6 +1,6 @@
/*
* Copyright (c) 2017 Linaro Limited
* Copyright (c) 2018 Centaur Analytics, Inc
* Copyright (c) 2018-2019 Centaur Analytics, Inc
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -64,6 +64,12 @@
tx = <STM32_PIN_PD8 (STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_NOPULL)>;
};
};
usart3_pins_c: usart3_c {
rx_tx {
rx = <STM32_PIN_PC5 (STM32_PINMUX_ALT_FUNC_7 | STM32_PUPDR_NO_PULL)>;
tx = <STM32_PIN_PC4 (STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_NOPULL)>;
};
};
uart4_pins_a: uart4_a {
rx_tx {
rx = <STM32_PIN_PA1 (STM32_PINMUX_ALT_FUNC_7 | STM32_PUPDR_NO_PULL)>;

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