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https://github.com/zephyrproject-rtos/zephyr
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971de25439
Add pin config for PWM support on ST Nucleo boards Following config is chosen: -PA0/PWM2_CH1 for F401RE and L476RG -PA8/PWM1_CH2 for F103RB Change-Id: I013e15ed35360d7777bb24ff94e0830f913a6580 Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/*
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* Copyright (c) 2016 Linaro Limited.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <kernel.h>
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#include <device.h>
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#include <init.h>
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#include <pinmux.h>
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#include <sys_io.h>
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#include "pinmux/pinmux.h"
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#include "pinmux_stm32.h"
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/* pin assignments for NUCLEO-F401RE board */
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static const struct pin_config pinconf[] = {
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#ifdef CONFIG_UART_STM32_PORT_1
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{STM32_PIN_PB6, STM32F4_PINMUX_FUNC_PB6_USART1_TX},
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{STM32_PIN_PB7, STM32F4_PINMUX_FUNC_PB7_USART1_RX},
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#endif /* CONFIG_UART_STM32_PORT_1 */
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#ifdef CONFIG_UART_STM32_PORT_2
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{STM32_PIN_PA2, STM32F4_PINMUX_FUNC_PA2_USART2_TX},
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{STM32_PIN_PA3, STM32F4_PINMUX_FUNC_PA3_USART2_RX},
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#endif /* CONFIG_UART_STM32_PORT_2 */
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#ifdef CONFIG_PWM_STM32_2
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{STM32_PIN_PA0, STM32F4_PINMUX_FUNC_PA0_PWM2_CH1},
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#endif /* CONFIG_PWM_STM32_2 */
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};
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static int pinmux_stm32_init(struct device *port)
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{
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ARG_UNUSED(port);
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stm32_setup_pins(pinconf, ARRAY_SIZE(pinconf));
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return 0;
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}
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SYS_INIT(pinmux_stm32_init, PRE_KERNEL_1,
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CONFIG_PINMUX_STM32_DEVICE_INITIALIZATION_PRIORITY);
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