mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2025-04-16 17:44:19 +00:00
deb9c864ea
Describe GPIO banks configs so that it can be used in an STM32MP device-tree file. Signed-off-by: Pascal Paillet <p.paillet@st.com> Change-Id: If5dd05aae314cbb3189eb02c9fe555b832ac2bdb
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
|
|
/*
|
|
* Copyright (C) 2024 STMicroelectronics - All Rights Reserved
|
|
* Author: Paillet Pascal <p.paillet@foss.st.com> for STMicroelectronics.
|
|
*/
|
|
|
|
#ifndef DT_BINDINGS_STM32_GPIO_H
|
|
#define DT_BINDINGS_STM32_GPIO_H
|
|
|
|
/* Bank IDs used in GPIO driver API */
|
|
#define GPIO_BANK_A 0U
|
|
#define GPIO_BANK_B 1U
|
|
#define GPIO_BANK_C 2U
|
|
#define GPIO_BANK_D 3U
|
|
#define GPIO_BANK_E 4U
|
|
#define GPIO_BANK_F 5U
|
|
#define GPIO_BANK_G 6U
|
|
#define GPIO_BANK_H 7U
|
|
#define GPIO_BANK_I 8U
|
|
#define GPIO_BANK_J 9U
|
|
#define GPIO_BANK_K 10U
|
|
#define GPIO_BANK_Z 25U
|
|
|
|
/* Bit 0 is used to set GPIO in input mode */
|
|
#define GPIOF_DIR_OUT 0x0
|
|
#define GPIOF_DIR_IN 0x1
|
|
|
|
/* Bit 1 is used to set GPIO high level during init */
|
|
#define GPIOF_INIT_LOW 0x0
|
|
#define GPIOF_INIT_HIGH 0x2
|
|
|
|
#define GPIOF_IN (GPIOF_DIR_IN)
|
|
#define GPIOF_OUT_INIT_LOW (GPIOF_DIR_OUT | GPIOF_INIT_LOW)
|
|
#define GPIOF_OUT_INIT_HIGH (GPIOF_DIR_OUT | GPIOF_INIT_HIGH)
|
|
|
|
/* Bit 2 is used to set GPIO pull up */
|
|
#define GPIOF_PULL_UP 0x4
|
|
/* Bit 3 is used to set GPIO pull down */
|
|
#define GPIOF_PULL_DOWN 0x8
|
|
|
|
#endif /* DT_BINDINGS_STM32_GPIO_H */
|