1 files changed, 0 insertions, 134 deletions
diff --git a/arch/arm/mach-u300/regulator.c b/arch/arm/mach-u300/regulator.c
deleted file mode 100644
index c0cc1d82e1b9..000000000000
--- a/arch/arm/mach-u300/regulator.c
+++ /dev/null
@@ -1,134 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * arch/arm/mach-u300/regulator.c
- *
- * Copyright (C) 2009 ST-Ericsson AB
- * Handle board-bound regulators and board power not related
- * to any devices.
- * Author: Linus Walleij <linus.walleij@stericsson.com>
- */
-#include <linux/device.h>
-#include <linux/signal.h>
-#include <linux/err.h>
-#include <linux/of.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/regulator/machine.h>
-#include <linux/regulator/consumer.h>
-#include <linux/mfd/syscon.h>
-#include <linux/regmap.h>
-
-/* Power Management Control 16bit (R/W) */
-#define U300_SYSCON_PMCR					(0x50)
-#define U300_SYSCON_PMCR_DCON_ENABLE				(0x0002)
-#define U300_SYSCON_PMCR_PWR_MGNT_ENABLE			(0x0001)
-
-/*
- * Regulators that power the board and chip and which are
- * not copuled to specific drivers are hogged in these
- * instances.
- */
-static struct regulator *main_power_15;
-
-/*
- * This function is used from pm.h to shut down the system by
- * resetting all regulators in turn and then disable regulator
- * LDO D (main power).
- */
-void u300_pm_poweroff(void)
-{
-	sigset_t old, all;
-
-	sigfillset(&all);
-	if (!sigprocmask(SIG_BLOCK, &all, &old)) {
-		/* Disable LDO D to shut down the system */
-		if (main_power_15)
-			regulator_disable(main_power_15);
-		else
-			pr_err("regulator not available to shut down system\n");
-		(void) sigprocmask(SIG_SETMASK, &old, NULL);
-	}
-	return;
-}
-
-/*
- * Hog the regulators needed to power up the board.
- */
-static int __init __u300_init_boardpower(struct platform_device *pdev)
-{
-	struct device_node *np = pdev->dev.of_node;
-	struct device_node *syscon_np;
-	struct regmap *regmap;
-	int err;
-
-	pr_info("U300: setting up board power\n");
-
-	syscon_np = of_parse_phandle(np, "syscon", 0);
-	if (!syscon_np) {
-		pr_crit("U300: no syscon node\n");
-		return -ENODEV;
-	}
-	regmap = syscon_node_to_regmap(syscon_np);
-	if (IS_ERR(regmap)) {
-		pr_crit("U300: could not locate syscon regmap\n");
-		return PTR_ERR(regmap);
-	}
-
-	main_power_15 = regulator_get(&pdev->dev, "vana15");
-
-	if (IS_ERR(main_power_15)) {
-		pr_err("could not get vana15");
-		return PTR_ERR(main_power_15);
-	}
-	err = regulator_enable(main_power_15);
-	if (err) {
-		pr_err("could not enable vana15\n");
-		return err;
-	}
-
-	/*
-	 * On U300 a special system controller register pulls up the DC
-	 * until the vana15 (LDO D) regulator comes up. At this point, all
-	 * regulators are set and we do not need power control via
-	 * DC ON anymore. This function will likely be moved whenever
-	 * the rest of the U300 power management is implemented.
-	 */
-	pr_info("U300: disable system controller pull-up\n");
-	regmap_update_bits(regmap, U300_SYSCON_PMCR,
-			   U300_SYSCON_PMCR_DCON_ENABLE, 0);
-
-	/* Register globally exported PM poweroff hook */
-	pm_power_off = u300_pm_poweroff;
-
-	return 0;
-}
-
-static int __init s365_board_probe(struct platform_device *pdev)
-{
-	return __u300_init_boardpower(pdev);
-}
-
-static const struct of_device_id s365_board_match[] = {
-	{ .compatible = "stericsson,s365" },
-	{},
-};
-
-static struct platform_driver s365_board_driver = {
-	.driver		= {
-		.name   = "s365-board",
-		.of_match_table = s365_board_match,
-	},
-};
-
-/*
- * So at module init time we hog the regulator!
- */
-static int __init u300_init_boardpower(void)
-{
-	return platform_driver_probe(&s365_board_driver,
-				     s365_board_probe);
-}
-
-device_initcall(u300_init_boardpower);
-MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Linus Walleij");