xref: /OK3568_Linux_fs/kernel/include/uapi/linux/spi_nor_misc.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (c) 2022 Rockchip Electronics Co., Ltd.
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #ifndef _UAPI__SPI_NOR_MISC_H__
7*4882a593Smuzhiyun #define _UAPI__SPI_NOR_MISC_H__
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include <linux/types.h>
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #define SPI_NOR_MAX_ID_LEN	6
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun struct nor_flash_user_info {
14*4882a593Smuzhiyun 	__u8	id[SPI_NOR_MAX_ID_LEN];
15*4882a593Smuzhiyun };
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #define NOR_BASE	'P'
18*4882a593Smuzhiyun #define NOR_GET_FLASH_INFO		_IOR(NOR_BASE, 0, struct nor_flash_user_info)
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #endif
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