1 // SPDX-License-Identifier: GPL-2.0
9 // conjunction with runtime-pm. Support for both device-tree and non-device-tree
32 	struct generic_pm_domain pd;  member
38 	struct exynos_pm_domain *pd;  in exynos_pd_power()  local
43 	pd = container_of(domain, struct exynos_pm_domain, pd);  in exynos_pd_power()
44 	base = pd->base;  in exynos_pd_power()
46 	pwr = power_on ? pd->local_pwr_cfg : 0;  in exynos_pd_power()
52 	while ((readl_relaxed(base + 0x4) & pd->local_pwr_cfg) != pwr) {  in exynos_pd_power()
55 			pr_err("Power domain %s %s failed\n", domain->name, op);  in exynos_pd_power()
56 			return -ETIMEDOUT;  in exynos_pd_power()
58 		timeout--;  in exynos_pd_power()
86 		.compatible = "samsung,exynos4210-pd",
89 		.compatible = "samsung,exynos5433-pd",
100 		name = kbasename(node->full_name);  in exynos_get_domain_name()
111 		struct exynos_pm_domain *pd;  in exynos4_pm_init_power_domain()  local
114 		pm_domain_cfg = match->data;  in exynos4_pm_init_power_domain()
116 		pd = kzalloc(sizeof(*pd), GFP_KERNEL);  in exynos4_pm_init_power_domain()
117 		if (!pd) {  in exynos4_pm_init_power_domain()
119 			return -ENOMEM;  in exynos4_pm_init_power_domain()
121 		pd->pd.name = exynos_get_domain_name(np);  in exynos4_pm_init_power_domain()
122 		if (!pd->pd.name) {  in exynos4_pm_init_power_domain()
123 			kfree(pd);  in exynos4_pm_init_power_domain()
125 			return -ENOMEM;  in exynos4_pm_init_power_domain()
128 		pd->base = of_iomap(np, 0);  in exynos4_pm_init_power_domain()
129 		if (!pd->base) {  in exynos4_pm_init_power_domain()
131 			kfree_const(pd->pd.name);  in exynos4_pm_init_power_domain()
132 			kfree(pd);  in exynos4_pm_init_power_domain()
136 		pd->pd.power_off = exynos_pd_power_off;  in exynos4_pm_init_power_domain()
137 		pd->pd.power_on = exynos_pd_power_on;  in exynos4_pm_init_power_domain()
138 		pd->local_pwr_cfg = pm_domain_cfg->local_pwr_cfg;  in exynos4_pm_init_power_domain()
140 		on = readl_relaxed(pd->base + 0x4) & pd->local_pwr_cfg;  in exynos4_pm_init_power_domain()
142 		pm_genpd_init(&pd->pd, NULL, !on);  in exynos4_pm_init_power_domain()
143 		of_genpd_add_provider_simple(np, &pd->pd);  in exynos4_pm_init_power_domain()
153 		if (of_parse_phandle_with_args(np, "power-domains",  in exynos4_pm_init_power_domain()
154 					       "#power-domain-cells", 0,  in exynos4_pm_init_power_domain()