8  * based on pm-sh7372.c
28 #include "pm-rmobile.h"
49 	if (rmobile_pd->bit_shift == ~0)  in rmobile_pd_power_down()
50 		return -EBUSY;  in rmobile_pd_power_down()
52 	mask = BIT(rmobile_pd->bit_shift);  in rmobile_pd_power_down()
53 	if (rmobile_pd->suspend) {  in rmobile_pd_power_down()
54 		int ret = rmobile_pd->suspend();  in rmobile_pd_power_down()
60 	if (__raw_readl(rmobile_pd->base + PSTR) & mask) {  in rmobile_pd_power_down()
62 		__raw_writel(mask, rmobile_pd->base + SPDCR);  in rmobile_pd_power_down()
64 		for (retry_count = PSTR_RETRIES; retry_count; retry_count--) {  in rmobile_pd_power_down()
65 			if (!(__raw_readl(rmobile_pd->base + SPDCR) & mask))  in rmobile_pd_power_down()
71 	if (!rmobile_pd->no_debug)  in rmobile_pd_power_down()
72 		pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n",  in rmobile_pd_power_down()
73 			 genpd->name, mask,  in rmobile_pd_power_down()
74 			 __raw_readl(rmobile_pd->base + PSTR));  in rmobile_pd_power_down()
86 	if (rmobile_pd->bit_shift == ~0)  in __rmobile_pd_power_up()
89 	mask = BIT(rmobile_pd->bit_shift);  in __rmobile_pd_power_up()
90 	if (__raw_readl(rmobile_pd->base + PSTR) & mask)  in __rmobile_pd_power_up()
93 	__raw_writel(mask, rmobile_pd->base + SWUCR);  in __rmobile_pd_power_up()
95 	for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) {  in __rmobile_pd_power_up()
96 		if (!(__raw_readl(rmobile_pd->base + SWUCR) & mask))  in __rmobile_pd_power_up()
104 		ret = -EIO;  in __rmobile_pd_power_up()
106 	if (!rmobile_pd->no_debug)  in __rmobile_pd_power_up()
107 		pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n",  in __rmobile_pd_power_up()
108 			 rmobile_pd->genpd.name, mask,  in __rmobile_pd_power_up()
109 			 __raw_readl(rmobile_pd->base + PSTR));  in __rmobile_pd_power_up()
112 	if (ret == 0 && rmobile_pd->resume && do_resume)  in __rmobile_pd_power_up()
113 		rmobile_pd->resume();  in __rmobile_pd_power_up()
125 	struct generic_pm_domain *genpd = &rmobile_pd->genpd;  in rmobile_init_pm_domain()
126 	struct dev_power_governor *gov = rmobile_pd->gov;  in rmobile_init_pm_domain()
128 	genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;  in rmobile_init_pm_domain()
129 	genpd->power_off		= rmobile_pd_power_down;  in rmobile_init_pm_domain()
130 	genpd->power_on			= rmobile_pd_power_up;  in rmobile_init_pm_domain()
131 	genpd->attach_dev		= cpg_mstp_attach_dev;  in rmobile_init_pm_domain()
132 	genpd->detach_dev		= cpg_mstp_detach_dev;  in rmobile_init_pm_domain()
143 	return console_suspend_enabled ? 0 : -EBUSY;  in rmobile_pd_suspend_console()
164 	{ .compatible = "arm,coresight-etm3x", .data = (void *)PD_DEBUG },
165 	{ .compatible = "renesas,dbsc-r8a73a4", .data = (void *)PD_MEMCTL, },
166 	{ .compatible = "renesas,dbsc3-r8a7740", .data = (void *)PD_MEMCTL, },
167 	{ .compatible = "renesas,sbsc-sh73a0", .data = (void *)PD_MEMCTL, },
176 	pd = of_parse_phandle(np, "power-domains", 0);  in add_special_pd()
192 	pr_debug("Special PM domain %s type %d for %pOF\n", pd->name, type, np);  in add_special_pd()
214 		add_special_pd(np, (enum pd_types)id->data);  in get_special_pds()
239 	const char *name = pd->genpd.name;  in rmobile_setup_pm_domain()
248 		pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;  in rmobile_setup_pm_domain()
253 		pd->gov = &pm_domain_always_on_gov;  in rmobile_setup_pm_domain()
254 		pd->suspend = rmobile_pd_suspend_console;  in rmobile_setup_pm_domain()
259 		 * This domain contains the Coresight-ETM hardware block and  in rmobile_setup_pm_domain()
263 		pr_debug("PM domain %s contains Coresight-ETM\n", name);  in rmobile_setup_pm_domain()
264 		pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;  in rmobile_setup_pm_domain()
269 		 * This domain contains a memory-controller and therefore it  in rmobile_setup_pm_domain()
273 		pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;  in rmobile_setup_pm_domain()
294 			/* always-on domain */  in rmobile_add_pm_domains()
300 			return -ENOMEM;  in rmobile_add_pm_domains()
303 		pd->genpd.name = np->name;  in rmobile_add_pm_domains()
304 		pd->base = base;  in rmobile_add_pm_domains()
305 		pd->bit_shift = idx;  in rmobile_add_pm_domains()
309 			pm_genpd_add_subdomain(genpd_parent, &pd->genpd);  in rmobile_add_pm_domains()
310 		of_genpd_add_provider_simple(np, &pd->genpd);  in rmobile_add_pm_domains()
312 		rmobile_add_pm_domains(base, np, &pd->genpd);  in rmobile_add_pm_domains()
324 	for_each_compatible_node(np, NULL, "renesas,sysc-rmobile") {  in rmobile_init_pm_domains()
331 		pmd = of_get_child_by_name(np, "pm-domains");  in rmobile_init_pm_domains()
333 			pr_warn("%pOF lacks pm-domains node\n", np);  in rmobile_init_pm_domains()