arm/mach-u300/regulator.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  * arch/arm/mach-u300/regulator.c
5  * Copyright (C) 2009 ST-Ericsson AB
6  * Handle board-bound regulators and board power not related
21 /* Power Management Control 16bit (R/W) */
27  * Regulators that power the board and chip and which are
34  * This function is used from pm.h to shut down the system by
36  * LDO D (main power).
44 		/* Disable LDO D to shut down the system */  in u300_pm_poweroff()
48 			pr_err("regulator not available to shut down system\n");  in u300_pm_poweroff()
55  * Hog the regulators needed to power up the board.
59 	struct device_node *np = pdev->dev.of_node;  in __u300_init_boardpower()
64 	pr_info("U300: setting up board power\n");  in __u300_init_boardpower()
69 		return -ENODEV;  in __u300_init_boardpower()
77 	main_power_15 = regulator_get(&pdev->dev, "vana15");  in __u300_init_boardpower()
90 	 * On U300 a special system controller register pulls up the DC  in __u300_init_boardpower()
92 	 * regulators are set and we do not need power control via  in __u300_init_boardpower()
94 	 * the rest of the U300 power management is implemented.  in __u300_init_boardpower()
96 	pr_info("U300: disable system controller pull-up\n");  in __u300_init_boardpower()
118 		.name   = "s365-board",