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98 lines
3.2 KiB
98 lines
3.2 KiB
/* |
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* Copyright (c) 2016 Open-RnD Sp. z o.o. |
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* |
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* SPDX-License-Identifier: Apache-2.0 |
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*/ |
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#ifndef ZEPHYR_DRIVERS_GPIO_GPIO_STM32_H_ |
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#define ZEPHYR_DRIVERS_GPIO_GPIO_STM32_H_ |
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/** |
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* @file header for STM32 GPIO |
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*/ |
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#include <zephyr/drivers/clock_control/stm32_clock_control.h> |
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#include <zephyr/drivers/gpio.h> |
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#if DT_HAS_COMPAT_STATUS_OKAY(st_stm32f1_pinctrl) |
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#include <zephyr/dt-bindings/pinctrl/stm32f1-pinctrl.h> |
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#else |
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#include <zephyr/dt-bindings/pinctrl/stm32-pinctrl.h> |
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#endif /* DT_HAS_COMPAT_STATUS_OKAY(st_stm32f1_pinctrl) */ |
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#ifdef CONFIG_SOC_SERIES_STM32F1X |
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#define STM32_PINCFG_MODE_OUTPUT (STM32_MODE_OUTPUT \ |
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| STM32_CNF_GP_OUTPUT \ |
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| STM32_CNF_PUSH_PULL) |
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#define STM32_PINCFG_MODE_INPUT STM32_MODE_INPUT |
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#define STM32_PINCFG_MODE_ANALOG (STM32_MODE_INPUT \ |
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| STM32_CNF_IN_ANALOG) |
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#define STM32_PINCFG_PUSH_PULL STM32_CNF_PUSH_PULL |
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#define STM32_PINCFG_OPEN_DRAIN STM32_CNF_OPEN_DRAIN |
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#define STM32_PINCFG_PULL_UP (STM32_CNF_IN_PUPD | STM32_PUPD_PULL_UP) |
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#define STM32_PINCFG_PULL_DOWN (STM32_CNF_IN_PUPD | \ |
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STM32_PUPD_PULL_DOWN) |
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#define STM32_PINCFG_FLOATING (STM32_CNF_IN_FLOAT | \ |
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STM32_PUPD_NO_PULL) |
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#else |
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#define STM32_PINCFG_MODE_OUTPUT STM32_MODER_OUTPUT_MODE |
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#define STM32_PINCFG_MODE_INPUT STM32_MODER_INPUT_MODE |
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#define STM32_PINCFG_MODE_ANALOG STM32_MODER_ANALOG_MODE |
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#define STM32_PINCFG_PUSH_PULL STM32_OTYPER_PUSH_PULL |
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#define STM32_PINCFG_OPEN_DRAIN STM32_OTYPER_OPEN_DRAIN |
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#define STM32_PINCFG_PULL_UP STM32_PUPDR_PULL_UP |
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#define STM32_PINCFG_PULL_DOWN STM32_PUPDR_PULL_DOWN |
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#define STM32_PINCFG_FLOATING STM32_PUPDR_NO_PULL |
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#endif /* CONFIG_SOC_SERIES_STM32F1X */ |
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#if defined(CONFIG_GPIO_GET_CONFIG) && !defined(CONFIG_SOC_SERIES_STM32F1X) |
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/** |
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* @brief structure of a GPIO pin (stm32 LL values) use to get the configuration |
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*/ |
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struct gpio_stm32_pin { |
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unsigned int type; /* LL_GPIO_OUTPUT_PUSHPULL or LL_GPIO_OUTPUT_OPENDRAIN */ |
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unsigned int pupd; /* LL_GPIO_PULL_NO or LL_GPIO_PULL_UP or LL_GPIO_PULL_DOWN */ |
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unsigned int mode; /* LL_GPIO_MODE_INPUT or LL_GPIO_MODE_OUTPUT or other */ |
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unsigned int out_state; /* 1 (high level) or 0 (low level) */ |
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}; |
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#endif /* CONFIG_GPIO_GET_CONFIG */ |
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/** |
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* @brief configuration of GPIO device |
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*/ |
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struct gpio_stm32_config { |
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/* gpio_driver_config needs to be first */ |
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struct gpio_driver_config common; |
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/* port base address */ |
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uint32_t *base; |
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/* IO port */ |
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int port; |
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struct stm32_pclken pclken; |
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}; |
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/** |
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* @brief driver data |
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*/ |
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struct gpio_stm32_data { |
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/* gpio_driver_data needs to be first */ |
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struct gpio_driver_data common; |
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/* device's owner of this data */ |
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const struct device *dev; |
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/* user ISR cb */ |
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sys_slist_t cb; |
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/* keep track of pins that are connected and need GPIO clock to be enabled */ |
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uint32_t pin_has_clock_enabled; |
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}; |
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/** |
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* @brief helper for configuration of GPIO pin |
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* |
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* @param dev GPIO port device pointer |
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* @param pin IO pin |
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* @param conf GPIO mode |
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* @param func Pin function |
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* |
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* @return 0 on success, negative errno code on failure |
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*/ |
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int gpio_stm32_configure(const struct device *dev, gpio_pin_t pin, uint32_t conf, uint32_t func); |
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#endif /* ZEPHYR_DRIVERS_GPIO_GPIO_STM32_H_ */
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