1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
2 /*
3  * Copyright (c) 2021 Linaro Ltd.
4  * Author: Sam Protsenko <semen.protsenko@linaro.org>
5  *
6  * Device Tree bindings for Samsung Exynos USI (Universal Serial Interface).
7  */
8 
9 #ifndef __DT_BINDINGS_SAMSUNG_EXYNOS_USI_H
10 #define __DT_BINDINGS_SAMSUNG_EXYNOS_USI_H
11 
12 #define USI_MODE_NONE		0
13 #define USI_MODE_UART		1
14 #define USI_MODE_SPI		2
15 #define USI_MODE_I2C		3
16 #define USI_MODE_I2C1		4
17 #define USI_MODE_I2C0_1		5
18 #define USI_MODE_UART_I2C1	6
19 
20 /* Deprecated */
21 #define USI_V2_NONE		USI_MODE_NONE
22 #define USI_V2_UART		USI_MODE_UART
23 #define USI_V2_SPI		USI_MODE_SPI
24 #define USI_V2_I2C		USI_MODE_I2C
25 
26 #endif /* __DT_BINDINGS_SAMSUNG_EXYNOS_USI_H */
27