xref: /OK3568_Linux_fs/kernel/include/linux/mfd/hi6421-pmic.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Header file for device driver Hi6421 PMIC
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (c) <2011-2014> HiSilicon Technologies Co., Ltd.
6*4882a593Smuzhiyun  *              http://www.hisilicon.com
7*4882a593Smuzhiyun  * Copyright (c) <2013-2014> Linaro Ltd.
8*4882a593Smuzhiyun  *              https://www.linaro.org
9*4882a593Smuzhiyun  *
10*4882a593Smuzhiyun  * Author: Guodong Xu <guodong.xu@linaro.org>
11*4882a593Smuzhiyun  */
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #ifndef	__HI6421_PMIC_H
14*4882a593Smuzhiyun #define	__HI6421_PMIC_H
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun /* Hi6421 registers are mapped to memory bus in 4 bytes stride */
17*4882a593Smuzhiyun #define HI6421_REG_TO_BUS_ADDR(x)	(x << 2)
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun /* Hi6421 maximum register number */
20*4882a593Smuzhiyun #define HI6421_REG_MAX			0xFF
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun /* Hi6421 OCP (over current protection) and DEB (debounce) control register */
23*4882a593Smuzhiyun #define	HI6421_OCP_DEB_CTRL_REG		HI6421_REG_TO_BUS_ADDR(0x51)
24*4882a593Smuzhiyun #define	HI6421_OCP_DEB_SEL_MASK		0x0C
25*4882a593Smuzhiyun #define HI6421_OCP_DEB_SEL_8MS		0x00
26*4882a593Smuzhiyun #define HI6421_OCP_DEB_SEL_16MS		0x04
27*4882a593Smuzhiyun #define HI6421_OCP_DEB_SEL_32MS		0x08
28*4882a593Smuzhiyun #define HI6421_OCP_DEB_SEL_64MS		0x0C
29*4882a593Smuzhiyun #define HI6421_OCP_EN_DEBOUNCE_MASK	0x02
30*4882a593Smuzhiyun #define HI6421_OCP_EN_DEBOUNCE_ENABLE	0x02
31*4882a593Smuzhiyun #define HI6421_OCP_AUTO_STOP_MASK	0x01
32*4882a593Smuzhiyun #define HI6421_OCP_AUTO_STOP_ENABLE	0x01
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun struct hi6421_pmic {
35*4882a593Smuzhiyun 	struct regmap		*regmap;
36*4882a593Smuzhiyun };
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun enum hi6421_type {
39*4882a593Smuzhiyun 	HI6421 = 0,
40*4882a593Smuzhiyun 	HI6421_V530,
41*4882a593Smuzhiyun };
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun #endif		/* __HI6421_PMIC_H */
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