1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * BCM63xx Power Domain Controller Driver
8 #include <dt-bindings/soc/bcm6318-pm.h>
9 #include <dt-bindings/soc/bcm6328-pm.h>
10 #include <dt-bindings/soc/bcm6362-pm.h>
11 #include <dt-bindings/soc/bcm63268-pm.h>
20 	struct bcm63xx_power *power;  member
40 	struct bcm63xx_power *power = pmd->power;  in bcm63xx_power_get_state()  local
42 	if (!pmd->mask) {  in bcm63xx_power_get_state()
44 		return -EINVAL;  in bcm63xx_power_get_state()
47 	*is_on = !(__raw_readl(power->base) & pmd->mask);  in bcm63xx_power_get_state()
54 	struct bcm63xx_power *power = pmd->power;  in bcm63xx_power_set_state()  local
58 	if (!pmd->mask)  in bcm63xx_power_set_state()
59 		return -EINVAL;  in bcm63xx_power_set_state()
61 	spin_lock_irqsave(&power->lock, flags);  in bcm63xx_power_set_state()
62 	val = __raw_readl(power->base);  in bcm63xx_power_set_state()
64 		val &= ~pmd->mask;  in bcm63xx_power_set_state()
66 		val |= pmd->mask;  in bcm63xx_power_set_state()
67 	__raw_writel(val, power->base);  in bcm63xx_power_set_state()
68 	spin_unlock_irqrestore(&power->lock, flags);  in bcm63xx_power_set_state()
91 	struct device *dev = &pdev->dev;  in bcm63xx_power_probe()
92 	struct device_node *np = dev->of_node;  in bcm63xx_power_probe()
94 	struct bcm63xx_power *power;  in bcm63xx_power_probe()  local
99 	power = devm_kzalloc(dev, sizeof(*power), GFP_KERNEL);  in bcm63xx_power_probe()
100 	if (!power)  in bcm63xx_power_probe()
101 		return -ENOMEM;  in bcm63xx_power_probe()
103 	power->base = devm_platform_ioremap_resource(pdev, 0);  in bcm63xx_power_probe()
104 	if (IS_ERR(power->base))  in bcm63xx_power_probe()
105 		return PTR_ERR(power->base);  in bcm63xx_power_probe()
109 		return -EINVAL;  in bcm63xx_power_probe()
111 	power->genpd_data.num_domains = 0;  in bcm63xx_power_probe()
113 	for (entry = table; entry->name; entry++) {  in bcm63xx_power_probe()
114 		max_bit = max(max_bit, entry->bit);  in bcm63xx_power_probe()
119 		return -ENODEV;  in bcm63xx_power_probe()
121 	power->genpd_data.num_domains = max_bit + 1;  in bcm63xx_power_probe()
123 	power->dev = devm_kcalloc(dev, power->genpd_data.num_domains,  in bcm63xx_power_probe()
126 	if (!power->dev)  in bcm63xx_power_probe()
127 		return -ENOMEM;  in bcm63xx_power_probe()
129 	power->genpd = devm_kcalloc(dev, power->genpd_data.num_domains,  in bcm63xx_power_probe()
132 	if (!power->genpd)  in bcm63xx_power_probe()
133 		return -ENOMEM;  in bcm63xx_power_probe()
135 	power->genpd_data.domains = power->genpd;  in bcm63xx_power_probe()
138 	for (entry = table; entry->name; entry++) {  in bcm63xx_power_probe()
139 		struct bcm63xx_power_dev *pmd = &power->dev[ndom];  in bcm63xx_power_probe()
142 		pmd->power = power;  in bcm63xx_power_probe()
143 		pmd->mask = BIT(entry->bit);  in bcm63xx_power_probe()
144 		pmd->genpd.name = entry->name;  in bcm63xx_power_probe()
145 		pmd->genpd.flags = entry->flags;  in bcm63xx_power_probe()
150 				 pmd->genpd.name);  in bcm63xx_power_probe()
152 		pmd->genpd.power_on = bcm63xx_power_on;  in bcm63xx_power_probe()
153 		pmd->genpd.power_off = bcm63xx_power_off;  in bcm63xx_power_probe()
155 		pm_genpd_init(&pmd->genpd, NULL, !is_on);  in bcm63xx_power_probe()
156 		power->genpd[entry->bit] = &pmd->genpd;  in bcm63xx_power_probe()
161 	spin_lock_init(&power->lock);  in bcm63xx_power_probe()
163 	ret = of_genpd_add_provider_onecell(np, &power->genpd_data);  in bcm63xx_power_probe()
169 	dev_info(dev, "registered %u power domains\n", ndom);  in bcm63xx_power_probe()
216 		.name = "adsl2-mips",
219 		.name = "adsl2-phy",
222 		.name = "adsl2-afe",
281 		.name = "adsl-phy",
284 		.name = "gmii-pads",
293 		.name = "wlan-pads",
331 		.name = "vdsl-phy",
334 		.name = "vdsl-mips",
343 		.name = "wlan-pads",
352 		.compatible = "brcm,bcm6318-power-controller",
355 		.compatible = "brcm,bcm6328-power-controller",
358 		.compatible = "brcm,bcm6362-power-controller",
361 		.compatible = "brcm,bcm63268-power-controller",
370 		.name = "bcm63xx-power-controller",