u-boot/arch/arm/include/asm/arch-stm32f1/gpio.h
Matt Porter 2d18ef2364 ARMv7M: add STM32F1 support
Add ARMv7M STM32F1 support including clocks, timer, gpio, and flash.

Signed-off-by: Matt Porter <mporter@konsulko.com>
2015-05-28 08:18:24 -04:00

118 lines
2.2 KiB
C

/*
* (C) Copyright 2011
* Yuri Tikhonov, Emcraft Systems, yur@emcraft.com
*
* (C) Copyright 2015
* Kamil Lulko, <rev13@wp.pl>
*
* Copyright 2015 ATS Advanced Telematics Systems GmbH
* Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _STM32_GPIO_H_
#define _STM32_GPIO_H_
enum stm32_gpio_port {
STM32_GPIO_PORT_A = 0,
STM32_GPIO_PORT_B,
STM32_GPIO_PORT_C,
STM32_GPIO_PORT_D,
STM32_GPIO_PORT_E,
STM32_GPIO_PORT_F,
STM32_GPIO_PORT_G,
};
enum stm32_gpio_pin {
STM32_GPIO_PIN_0 = 0,
STM32_GPIO_PIN_1,
STM32_GPIO_PIN_2,
STM32_GPIO_PIN_3,
STM32_GPIO_PIN_4,
STM32_GPIO_PIN_5,
STM32_GPIO_PIN_6,
STM32_GPIO_PIN_7,
STM32_GPIO_PIN_8,
STM32_GPIO_PIN_9,
STM32_GPIO_PIN_10,
STM32_GPIO_PIN_11,
STM32_GPIO_PIN_12,
STM32_GPIO_PIN_13,
STM32_GPIO_PIN_14,
STM32_GPIO_PIN_15
};
enum stm32_gpio_icnf {
STM32_GPIO_ICNF_AN = 0,
STM32_GPIO_ICNF_IN_FLT,
STM32_GPIO_ICNF_IN_PUD,
STM32_GPIO_ICNF_RSVD
};
enum stm32_gpio_ocnf {
STM32_GPIO_OCNF_GP_PP = 0,
STM32_GPIO_OCNF_GP_OD,
STM32_GPIO_OCNF_AF_PP,
STM32_GPIO_OCNF_AF_OD
};
enum stm32_gpio_pupd {
STM32_GPIO_PUPD_DOWN = 0,
STM32_GPIO_PUPD_UP,
};
enum stm32_gpio_mode {
STM32_GPIO_MODE_IN = 0,
STM32_GPIO_MODE_OUT_10M,
STM32_GPIO_MODE_OUT_2M,
STM32_GPIO_MODE_OUT_50M
};
enum stm32_gpio_af {
STM32_GPIO_AF0 = 0,
STM32_GPIO_AF1,
STM32_GPIO_AF2,
STM32_GPIO_AF3,
STM32_GPIO_AF4,
STM32_GPIO_AF5,
STM32_GPIO_AF6,
STM32_GPIO_AF7,
STM32_GPIO_AF8,
STM32_GPIO_AF9,
STM32_GPIO_AF10,
STM32_GPIO_AF11,
STM32_GPIO_AF12,
STM32_GPIO_AF13,
STM32_GPIO_AF14,
STM32_GPIO_AF15
};
struct stm32_gpio_dsc {
enum stm32_gpio_port port;
enum stm32_gpio_pin pin;
};
struct stm32_gpio_ctl {
enum stm32_gpio_icnf icnf;
enum stm32_gpio_ocnf ocnf;
enum stm32_gpio_mode mode;
enum stm32_gpio_pupd pupd;
enum stm32_gpio_af af;
};
static inline unsigned stm32_gpio_to_port(unsigned gpio)
{
return gpio / 16;
}
static inline unsigned stm32_gpio_to_pin(unsigned gpio)
{
return gpio % 16;
}
int stm32_gpio_config(const struct stm32_gpio_dsc *gpio_dsc,
const struct stm32_gpio_ctl *gpio_ctl);
int stm32_gpout_set(const struct stm32_gpio_dsc *gpio_dsc, int state);
#endif /* _STM32_GPIO_H_ */