drivers/regulator/stw481x-vmmc.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  * Regulator driver for STw4810/STw4811 VMMC regulator.
5  * Copyright (C) 2013 ST-Ericsson SA
6  * Written on behalf of Linaro for ST-Ericsson
16 #include <linux/regulator/driver.h>
17 #include <linux/regulator/of_regulator.h>
57 	struct stw481x *stw481x = dev_get_platdata(&pdev->dev);  in stw481x_vmmc_regulator_probe()
62 	/* First disable the external VMMC if it's active */  in stw481x_vmmc_regulator_probe()
63 	ret = regmap_update_bits(stw481x->map, STW_CONF2,  in stw481x_vmmc_regulator_probe()
66 		dev_err(&pdev->dev, "could not disable external VMMC\n");  in stw481x_vmmc_regulator_probe()
70 	/* Register VMMC regulator */  in stw481x_vmmc_regulator_probe()
71 	config.dev = &pdev->dev;  in stw481x_vmmc_regulator_probe()
73 	config.regmap = stw481x->map;  in stw481x_vmmc_regulator_probe()
74 	config.of_node = pdev->dev.of_node;  in stw481x_vmmc_regulator_probe()
75 	config.init_data = of_get_regulator_init_data(&pdev->dev,  in stw481x_vmmc_regulator_probe()
76 						      pdev->dev.of_node,  in stw481x_vmmc_regulator_probe()
79 	rdev = devm_regulator_register(&pdev->dev, &vmmc_regulator, &config);  in stw481x_vmmc_regulator_probe()
81 		dev_err(&pdev->dev,  in stw481x_vmmc_regulator_probe()
82 			"error initializing STw481x VMMC regulator\n");  in stw481x_vmmc_regulator_probe()
86 	dev_info(&pdev->dev, "initialized STw481x VMMC regulator\n");  in stw481x_vmmc_regulator_probe()
91 	{ .compatible = "st,stw481x-vmmc", },
97 		.name  = "stw481x-vmmc-regulator",