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stm32mp1: Add GPIO support

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The management of pinctrl nodes of device tree is also added.

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Mathieu Belou <mathieu.belou@st.com>
Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
This commit is contained in:
Yann Gautier 2018-07-13 21:33:09 +02:00
parent 7839a05090
commit 6a339a4952
5 changed files with 347 additions and 0 deletions
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101
include/drivers/st/stm32_gpio.h Normal file
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/*
* Copyright (c) 2015-2018, STMicroelectronics - All Rights Reserved
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef __PLAT_GPIO_H__
#define __PLAT_GPIO_H__
#include <utils_def.h>
#define STM32_GPIOA_BANK U(0x50002000)
#define STM32_GPIOZ_BANK U(0x54004000)
#define STM32_GPIO_BANK_OFFSET U(0x1000)
#define GPIO_MODE_OFFSET U(0x00)
#define GPIO_TYPE_OFFSET U(0x04)
#define GPIO_SPEED_OFFSET U(0x08)
#define GPIO_PUPD_OFFSET U(0x0C)
#define GPIO_BSRR_OFFSET U(0x18)
#define GPIO_AFRL_OFFSET U(0x20)
#define GPIO_AFRH_OFFSET U(0x24)
#define GPIO_ALT_LOWER_LIMIT U(0x08)
#define GPIO_BANK_A U(0x00)
#define GPIO_BANK_B U(0x01)
#define GPIO_BANK_C U(0x02)
#define GPIO_BANK_D U(0x03)
#define GPIO_BANK_E U(0x04)
#define GPIO_BANK_F U(0x05)
#define GPIO_BANK_G U(0x06)
#define GPIO_BANK_H U(0x07)
#define GPIO_BANK_I U(0x08)
#define GPIO_BANK_J U(0x09)
#define GPIO_BANK_K U(0x0A)
#define GPIO_BANK_Z U(0x19)
#define GPIO_PIN_0 U(0x00)
#define GPIO_PIN_1 U(0x01)
#define GPIO_PIN_2 U(0x02)
#define GPIO_PIN_3 U(0x03)
#define GPIO_PIN_4 U(0x04)
#define GPIO_PIN_5 U(0x05)
#define GPIO_PIN_6 U(0x06)
#define GPIO_PIN_7 U(0x07)
#define GPIO_PIN_8 U(0x08)
#define GPIO_PIN_9 U(0x09)
#define GPIO_PIN_10 U(0x0A)
#define GPIO_PIN_11 U(0x0B)
#define GPIO_PIN_12 U(0x0C)
#define GPIO_PIN_13 U(0x0D)
#define GPIO_PIN_14 U(0x0E)
#define GPIO_PIN_15 U(0x0F)
#define GPIO_PIN_MAX GPIO_PIN_15
#define GPIO_ALTERNATE_0 0x00
#define GPIO_ALTERNATE_1 0x01
#define GPIO_ALTERNATE_2 0x02
#define GPIO_ALTERNATE_3 0x03
#define GPIO_ALTERNATE_4 0x04
#define GPIO_ALTERNATE_5 0x05
#define GPIO_ALTERNATE_6 0x06
#define GPIO_ALTERNATE_7 0x07
#define GPIO_ALTERNATE_8 0x08
#define GPIO_ALTERNATE_9 0x09
#define GPIO_ALTERNATE_10 0x0A
#define GPIO_ALTERNATE_11 0x0B
#define GPIO_ALTERNATE_12 0x0C
#define GPIO_ALTERNATE_13 0x0D
#define GPIO_ALTERNATE_14 0x0E
#define GPIO_ALTERNATE_15 0x0F
#define GPIO_ALTERNATE_MASK U(0x0F)
#define GPIO_MODE_INPUT 0x00
#define GPIO_MODE_OUTPUT 0x01
#define GPIO_MODE_ALTERNATE 0x02
#define GPIO_MODE_ANALOG 0x03
#define GPIO_MODE_MASK U(0x03)
#define GPIO_OPEN_DRAIN U(0x10)
#define GPIO_SPEED_LOW 0x00
#define GPIO_SPEED_MEDIUM 0x01
#define GPIO_SPEED_FAST 0x02
#define GPIO_SPEED_HIGH 0x03
#define GPIO_SPEED_MASK U(0x03)
#define GPIO_NO_PULL 0x00
#define GPIO_PULL_UP 0x01
#define GPIO_PULL_DOWN 0x02
#define GPIO_PULL_MASK U(0x03)
#ifndef __ASSEMBLY__
#include <stdint.h>
void set_gpio(uint32_t bank, uint32_t pin, uint32_t mode, uint32_t speed,
uint32_t pull, uint32_t alternate);
#endif /*__ASSEMBLY__*/
#endif /*__PLAT_GPIO_H__*/