drivers/soc/zte/zx2967_pm_domains.h

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