| // SPDX-License-Identifier: GPL-2.0 |
| * Copyright (C) 2019 Paul Cercueil <paul@crapouillou.net> |
| #include <linux/syscore_ops.h> |
| #define LCR_LOW_POWER_MODE BIT(0) |
| static void __iomem * __maybe_unused ingenic_cgu_base; |
| static int __maybe_unused ingenic_cgu_pm_suspend(void) |
| u32 val = readl(ingenic_cgu_base + CGU_REG_LCR); |
| writel(val | LCR_LOW_POWER_MODE, ingenic_cgu_base + CGU_REG_LCR); |
| static void __maybe_unused ingenic_cgu_pm_resume(void) |
| u32 val = readl(ingenic_cgu_base + CGU_REG_LCR); |
| writel(val & ~LCR_LOW_POWER_MODE, ingenic_cgu_base + CGU_REG_LCR); |
| static struct syscore_ops __maybe_unused ingenic_cgu_pm_ops = { |
| .suspend = ingenic_cgu_pm_suspend, |
| .resume = ingenic_cgu_pm_resume, |
| void ingenic_cgu_register_syscore_ops(struct ingenic_cgu *cgu) |
| if (IS_ENABLED(CONFIG_PM_SLEEP)) { |
| ingenic_cgu_base = cgu->base; |
| register_syscore_ops(&ingenic_cgu_pm_ops); |