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stm32l4: add initial soc support for stm32l4

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Add the initial SoC support for the STM32L4XX family. The code was
tested on STM32L476RG, but should work on any STM32L4XX currently
available.

This implementation was inspired by the stm32f1x implementation.

Change-Id: Id6670bce0c423617284e8467a9c461531f948e0f
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Neil Armstrong 2016-10-03 15:51:32 +02:00 • committed by Kumar Gala
commit 8833e44f6d
15 changed files with 794 additions and 0 deletions
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35
arch/arm/soc/st_stm32/stm32l4/soc_pinmux.h Normal file
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/*
* Copyright (c) 2016 Open-RnD Sp. z o.o.
* Copyright (c) 2016 BayLibre, SAS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _STM32L4X_SOC_PINMUX_H_
#define _STM32L4X_SOC_PINMUX_H_
/* IO pin functions */
enum stm32l4x_pin_config_mode {
STM32L4X_PIN_CONFIG_BIAS_HIGH_IMPEDANCE = 0,
STM32L4X_PIN_CONFIG_BIAS_PULL_UP,
STM32L4X_PIN_CONFIG_BIAS_PULL_DOWN,
STM32L4X_PIN_CONFIG_ANALOG,
STM32L4X_PIN_CONFIG_OPEN_DRAIN,
STM32L4X_PIN_CONFIG_OPEN_DRAIN_PULL_UP,
STM32L4X_PIN_CONFIG_OPEN_DRAIN_PULL_DOWN,
STM32L4X_PIN_CONFIG_PUSH_PULL,
STM32L4X_PIN_CONFIG_PUSH_PULL_PULL_UP,
STM32L4X_PIN_CONFIG_PUSH_PULL_PULL_DOWN,
};
#endif /* _STM32L4X_SOC_PINMUX_H_ */