clk/mmp/pwr-island.c

8 #include <linux/pm_domain.h>
28 	struct mmp_pm_domain *pm_domain = to_mmp_pm_domain(genpd);
32 	if (pm_domain->lock)
33 		spin_lock_irqsave(pm_domain->lock, flags);
35 	val = readl(pm_domain->reg);
38 	val |= pm_domain->power_on;
39 	writel(val, pm_domain->reg);
43 	writel(val, pm_domain->reg);
46 	if (pm_domain->reset || pm_domain->clock_enable) {
49 		val &= ~pm_domain->reset;
50 		writel(val, pm_domain->reg);
52 		val |= pm_domain->clock_enable;
53 		writel(val, pm_domain->reg);
55 		val |= pm_domain->reset;
56 		writel(val, pm_domain->reg);
58 		writel(after_power_on, pm_domain->reg);
61 	if (pm_domain->lock)
62 		spin_unlock_irqrestore(pm_domain->lock, flags);
69 	struct mmp_pm_domain *pm_domain = to_mmp_pm_domain(genpd);
73 	if (pm_domain->flags & MMP_PM_DOMAIN_NO_DISABLE)
76 	if (pm_domain->lock)
77 		spin_lock_irqsave(pm_domain->lock, flags);
80 	val = readl(pm_domain->reg);
81 	val &= ~pm_domain->power_on;
83 	writel(val, pm_domain->reg);
85 	if (pm_domain->lock)
86 		spin_unlock_irqrestore(pm_domain->lock, flags);
96 	struct mmp_pm_domain *pm_domain;
98 	pm_domain = kzalloc(sizeof(*pm_domain), GFP_KERNEL);
99 	if (!pm_domain)
102 	pm_domain->reg = reg;
103 	pm_domain->power_on = power_on;
104 	pm_domain->reset = reset;
105 	pm_domain->clock_enable = clock_enable;
106 	pm_domain->flags = flags;
107 	pm_domain->lock = lock;
109 	pm_genpd_init(&pm_domain->genpd, NULL, true);
110 	pm_domain->genpd.name = name;
111 	pm_domain->genpd.power_on = mmp_pm_domain_power_on;
112 	pm_domain->genpd.power_off = mmp_pm_domain_power_off;
114 	return &pm_domain->genpd;