drivers/regulator/act8945a-regulator.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Voltage regulation driver for active-semi ACT8945A PMIC
16 #include <dt-bindings/regulator/active-semi,8945a-regulator.h>
52 #define ACT8945A_ENA		0x80	/* ON - [7] */
53 #define ACT8945A_VSEL_MASK	0x3F	/* VSET - [5:0] */
84 	struct regmap *regmap = rdev->regmap;  in act8945a_set_suspend_state()
118 		return -EINVAL;  in act8945a_set_suspend_state()
157 	struct regmap *regmap = rdev->regmap;  in act8945a_set_mode()
184 		return -EINVAL;  in act8945a_set_mode()
197 		return -EINVAL;  in act8945a_set_mode()
204 	act8945a->op_mode[id] = mode;  in act8945a_set_mode()
215 		return -EINVAL;  in act8945a_get_mode()
217 	return act8945a->op_mode[id];  in act8945a_get_mode()
283 	act8945a = devm_kzalloc(&pdev->dev, sizeof(*act8945a), GFP_KERNEL);  in act8945a_pmic_probe()
285 		return -ENOMEM;  in act8945a_pmic_probe()
287 	act8945a->regmap = dev_get_regmap(pdev->dev.parent, NULL);  in act8945a_pmic_probe()
288 	if (!act8945a->regmap) {  in act8945a_pmic_probe()
289 		dev_err(&pdev->dev,  in act8945a_pmic_probe()
291 		return -EINVAL;  in act8945a_pmic_probe()
294 	voltage_select = of_property_read_bool(pdev->dev.parent->of_node,  in act8945a_pmic_probe()
295 					       "active-semi,vsel-high");  in act8945a_pmic_probe()
305 	config.dev = &pdev->dev;  in act8945a_pmic_probe()
306 	config.dev->of_node = pdev->dev.parent->of_node;  in act8945a_pmic_probe()
309 		rdev = devm_regulator_register(&pdev->dev, &regulators[i],  in act8945a_pmic_probe()
312 			dev_err(&pdev->dev,  in act8945a_pmic_probe()
322 	return regmap_write(act8945a->regmap, ACT8945A_SYS_UNLK_REGS, 0xef);  in act8945a_pmic_probe()
333 	return regmap_write(act8945a->regmap, ACT8945A_SYS_CTRL, 0x42);  in act8945a_suspend()
345 	regmap_write(act8945a->regmap, ACT8945A_SYS_CTRL, 0x0);  in act8945a_pmic_shutdown()
350 		.name = "act8945a-regulator",
359 MODULE_DESCRIPTION("Active-semi ACT8945A voltage regulator driver");