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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2016, STMicroelectronics - All Rights Reserved
* Author(s): Vikas Manocha, <vikas.manocha@st.com> for STMicroelectronics.
*/
#ifndef _GPIO_H_
#define _GPIO_H_
#define STM32_GPIOS_PER_BANK 16
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,
STM32_GPIO_PORT_H,
STM32_GPIO_PORT_I
};
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_mode {
STM32_GPIO_MODE_IN = 0,
STM32_GPIO_MODE_OUT,
STM32_GPIO_MODE_AF,
STM32_GPIO_MODE_AN
};
enum stm32_gpio_otype {
STM32_GPIO_OTYPE_PP = 0,
STM32_GPIO_OTYPE_OD
};
enum stm32_gpio_speed {
STM32_GPIO_SPEED_2M = 0,
STM32_GPIO_SPEED_25M,
STM32_GPIO_SPEED_50M,
STM32_GPIO_SPEED_100M
};
enum stm32_gpio_pupd {
STM32_GPIO_PUPD_NO = 0,
STM32_GPIO_PUPD_UP,
STM32_GPIO_PUPD_DOWN
};
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_mode mode;
enum stm32_gpio_otype otype;
enum stm32_gpio_speed speed;
enum stm32_gpio_pupd pupd;
enum stm32_gpio_af af;
};
struct stm32_gpio_regs {
u32 moder; /* GPIO port mode */
u32 otyper; /* GPIO port output type */
u32 ospeedr; /* GPIO port output speed */
u32 pupdr; /* GPIO port pull-up/pull-down */
u32 idr; /* GPIO port input data */
u32 odr; /* GPIO port output data */
u32 bsrr; /* GPIO port bit set/reset */
u32 lckr; /* GPIO port configuration lock */
u32 afr[2]; /* GPIO alternate function */
};
struct stm32_gpio_priv {
struct stm32_gpio_regs *regs;
unsigned int gpio_range;
};
int stm32_offset_to_index(struct udevice *dev, unsigned int offset);
#endif /* _GPIO_H_ */
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