xref: /openbmc/linux/include/linux/mfd/hi6421-pmic.h (revision 4f4ed454)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Header file for device driver Hi6421 PMIC
4  *
5  * Copyright (c) <2011-2014> HiSilicon Technologies Co., Ltd.
6  *              http://www.hisilicon.com
7  * Copyright (c) <2013-2014> Linaro Ltd.
8  *              https://www.linaro.org
9  *
10  * Author: Guodong Xu <guodong.xu@linaro.org>
11  */
12 
13 #ifndef	__HI6421_PMIC_H
14 #define	__HI6421_PMIC_H
15 
16 /* Hi6421 registers are mapped to memory bus in 4 bytes stride */
17 #define HI6421_REG_TO_BUS_ADDR(x)	(x << 2)
18 
19 /* Hi6421 maximum register number */
20 #define HI6421_REG_MAX			0xFF
21 
22 /* Hi6421 OCP (over current protection) and DEB (debounce) control register */
23 #define	HI6421_OCP_DEB_CTRL_REG		HI6421_REG_TO_BUS_ADDR(0x51)
24 #define	HI6421_OCP_DEB_SEL_MASK		0x0C
25 #define HI6421_OCP_DEB_SEL_8MS		0x00
26 #define HI6421_OCP_DEB_SEL_16MS		0x04
27 #define HI6421_OCP_DEB_SEL_32MS		0x08
28 #define HI6421_OCP_DEB_SEL_64MS		0x0C
29 #define HI6421_OCP_EN_DEBOUNCE_MASK	0x02
30 #define HI6421_OCP_EN_DEBOUNCE_ENABLE	0x02
31 #define HI6421_OCP_AUTO_STOP_MASK	0x01
32 #define HI6421_OCP_AUTO_STOP_ENABLE	0x01
33 
34 struct hi6421_pmic {
35 	struct regmap		*regmap;
36 };
37 
38 enum hi6421_type {
39 	HI6421 = 0,
40 	HI6421_V530,
41 };
42 
43 #endif		/* __HI6421_PMIC_H */
44