1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/regulator/dbx500-prcmu.c b/drivers/regulator/dbx500-prcmu.c
index 409cb8574fe..3bc6e0e5189 100644
--- a/drivers/regulator/dbx500-prcmu.c
+++ b/drivers/regulator/dbx500-prcmu.c
@@ -60,3 +60,88 @@ struct ux500_regulator {
 	void (*enable)(void);
 	int (*disable)(void);
 };
+static struct ux500_regulator ux500_atomic_regulators[] = {
+	{
+		.name    = "dma40.0",
+		.enable  = power_state_active_enable,
+		.disable = power_state_active_disable,
+	},
+	{
+		.name = "ssp0",
+		.enable  = power_state_active_enable,
+		.disable = power_state_active_disable,
+	},
+	{
+		.name = "ssp1",
+		.enable  = power_state_active_enable,
+		.disable = power_state_active_disable,
+	},
+	{
+		.name = "spi0",
+		.enable  = power_state_active_enable,
+		.disable = power_state_active_disable,
+	},
+	{
+		.name = "spi1",
+		.enable  = power_state_active_enable,
+		.disable = power_state_active_disable,
+	},
+	{
+		.name = "spi2",
+		.enable  = power_state_active_enable,
+		.disable = power_state_active_disable,
+	},
+	{
+		.name = "spi3",
+		.enable  = power_state_active_enable,
+		.disable = power_state_active_disable,
+	},
+	{
+		.name = "cryp1",
+		.enable  = power_state_active_enable,
+		.disable = power_state_active_disable,
+	},
+	{
+		.name = "hash1",
+		.enable  = power_state_active_enable,
+		.disable = power_state_active_disable,
+	},
+};
+
+struct ux500_regulator *__must_check ux500_regulator_get(struct device *dev)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(ux500_atomic_regulators); i++) {
+		if (!strcmp(dev_name(dev), ux500_atomic_regulators[i].name))
+			return &ux500_atomic_regulators[i];
+	}
+
+	return  ERR_PTR(-EINVAL);
+}
+EXPORT_SYMBOL_GPL(ux500_regulator_get);
+
+int ux500_regulator_atomic_enable(struct ux500_regulator *regulator)
+{
+	if (regulator) {
+		regulator->enable();
+		return 0;
+	}
+	return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(ux500_regulator_atomic_enable);
+
+int ux500_regulator_atomic_disable(struct ux500_regulator *regulator)
+{
+	if (regulator)
+		return regulator->disable();
+	else
+		return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(ux500_regulator_atomic_disable);
+
+void ux500_regulator_put(struct ux500_regulator *regulator)
+{
+	/* Here for symetric reasons and for possible future use */
+}
+EXPORT_SYMBOL_GPL(ux500_regulator_put);