soc/samsung/exynos-pmu.c

1 // SPDX-License-Identifier: GPL-2.0
3 // Copyright (c) 2011-2014 Samsung Electronics Co., Ltd.
6 // Exynos - CPU PMU(Power Management Unit) support
11 #include <linux/mfd/syscon.h>
15 #include <linux/soc/samsung/exynos-regs-pmu.h>
16 #include <linux/soc/samsung/exynos-pmu.h>
18 #include "exynos-pmu.h"
38 void exynos_sys_powerdown_conf(enum sys_powerdown mode)  in exynos_sys_powerdown_conf()  argument
43 	if (!pmu_context || !pmu_context->pmu_data)  in exynos_sys_powerdown_conf()
46 	pmu_data = pmu_context->pmu_data;  in exynos_sys_powerdown_conf()
48 	if (pmu_data->powerdown_conf)  in exynos_sys_powerdown_conf()
49 		pmu_data->powerdown_conf(mode);  in exynos_sys_powerdown_conf()
51 	if (pmu_data->pmu_config) {  in exynos_sys_powerdown_conf()
52 		for (i = 0; (pmu_data->pmu_config[i].offset != PMU_TABLE_END); i++)  in exynos_sys_powerdown_conf()
53 			pmu_raw_writel(pmu_data->pmu_config[i].val[mode],  in exynos_sys_powerdown_conf()
54 					pmu_data->pmu_config[i].offset);  in exynos_sys_powerdown_conf()
57 	if (pmu_data->powerdown_conf_extra)  in exynos_sys_powerdown_conf()
58 		pmu_data->powerdown_conf_extra(mode);  in exynos_sys_powerdown_conf()
76 		.compatible = "samsung,exynos3250-pmu",
79 		.compatible = "samsung,exynos4210-pmu",
82 		.compatible = "samsung,exynos4412-pmu",
85 		.compatible = "samsung,exynos5250-pmu",
88 		.compatible = "samsung,exynos5410-pmu",
90 		.compatible = "samsung,exynos5420-pmu",
93 		.compatible = "samsung,exynos5433-pmu",
95 		.compatible = "samsung,exynos7-pmu",
106 	return ERR_PTR(-ENODEV);  in exynos_get_pmu_regmap()
112 	struct device *dev = &pdev->dev;  in exynos_pmu_probe()
118 	pmu_context = devm_kzalloc(&pdev->dev,  in exynos_pmu_probe()
122 		return -ENOMEM;  in exynos_pmu_probe()
123 	pmu_context->dev = dev;  in exynos_pmu_probe()
124 	pmu_context->pmu_data = of_device_get_match_data(dev);  in exynos_pmu_probe()
126 	if (pmu_context->pmu_data && pmu_context->pmu_data->pmu_init)  in exynos_pmu_probe()
127 		pmu_context->pmu_data->pmu_init();  in exynos_pmu_probe()
132 		dev_err(dev, "Error populating children, reboot and poweroff might not work properly\n");  in exynos_pmu_probe()
140 		.name   = "exynos-pmu",