xref: /OK3568_Linux_fs/kernel/drivers/soc/zte/zx2967_pm_domains.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Header for ZTE's Power Domain Driver support
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2017 ZTE Ltd.
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * Author: Baoyou Xie <baoyou.xie@linaro.org>
8*4882a593Smuzhiyun  */
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #ifndef __ZTE_ZX2967_PM_DOMAIN_H
11*4882a593Smuzhiyun #define __ZTE_ZX2967_PM_DOMAIN_H
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #include <linux/platform_device.h>
14*4882a593Smuzhiyun #include <linux/pm_domain.h>
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun enum {
17*4882a593Smuzhiyun 	REG_CLKEN,
18*4882a593Smuzhiyun 	REG_ISOEN,
19*4882a593Smuzhiyun 	REG_RSTEN,
20*4882a593Smuzhiyun 	REG_PWREN,
21*4882a593Smuzhiyun 	REG_PWRDN,
22*4882a593Smuzhiyun 	REG_ACK_SYNC,
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun 	/* The size of the array - must be last */
25*4882a593Smuzhiyun 	REG_ARRAY_SIZE,
26*4882a593Smuzhiyun };
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun enum zx2967_power_polarity {
29*4882a593Smuzhiyun 	PWREN,
30*4882a593Smuzhiyun 	PWRDN,
31*4882a593Smuzhiyun };
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun struct zx2967_pm_domain {
34*4882a593Smuzhiyun 	struct generic_pm_domain dm;
35*4882a593Smuzhiyun 	const u16 bit;
36*4882a593Smuzhiyun 	const enum zx2967_power_polarity polarity;
37*4882a593Smuzhiyun 	const u16 *reg_offset;
38*4882a593Smuzhiyun };
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun int zx2967_pd_probe(struct platform_device *pdev,
41*4882a593Smuzhiyun 		    struct generic_pm_domain **zx_pm_domains,
42*4882a593Smuzhiyun 		    int domain_num);
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun #endif /* __ZTE_ZX2967_PM_DOMAIN_H */
45