From 46d66163ebb1add8f6d71bddeed13a0f52ad1f05 Mon Sep 17 00:00:00 2001 From: Erwan Gouriou Date: Thu, 20 Jul 2017 14:08:28 +0200 Subject: [PATCH] arch: arm: stm32l4: Add pin config for USART1 on PB6/PB7 With introduction of commit "pinmux: stm32: directly return error if stm32_get_pin_config fails", pin configuration fails when pins are not configured in pins[] array. This was the case for configuration UART1 assigned on PB6/PB7. Signed-off-by: Erwan Gouriou --- arch/arm/soc/st_stm32/stm32l4/soc_pinmux.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/soc/st_stm32/stm32l4/soc_pinmux.c b/arch/arm/soc/st_stm32/stm32l4/soc_pinmux.c index a6ec50a8e8d..ed1d322c0dc 100644 --- a/arch/arm/soc/st_stm32/stm32l4/soc_pinmux.c +++ b/arch/arm/soc/st_stm32/stm32l4/soc_pinmux.c @@ -37,11 +37,15 @@ static const stm32_pin_func_t pin_pa3_funcs[] = { static const stm32_pin_func_t pin_pb6_funcs[] = { [STM32L4X_PINMUX_FUNC_PB6_I2C1_SCL - 1] = STM32L4X_PIN_CONFIG_OPEN_DRAIN_PULL_UP, + [STM32L4X_PINMUX_FUNC_PB6_USART1_TX - 1] = + STM32L4X_PIN_CONFIG_PUSH_PULL, }; static const stm32_pin_func_t pin_pb7_funcs[] = { [STM32L4X_PINMUX_FUNC_PB7_I2C1_SDA - 1] = STM32L4X_PIN_CONFIG_OPEN_DRAIN_PULL_UP, + [STM32L4X_PINMUX_FUNC_PB7_USART1_RX - 1] = + STM32L4X_PIN_CONFIG_BIAS_HIGH_IMPEDANCE, }; static const stm32_pin_func_t pin_pb10_funcs[] = {