drivers/mfd/hi6421-pmic-core.c

1 // SPDX-License-Identifier: GPL-2.0-only
5  * Copyright (c) <2011-2014> HiSilicon Technologies Co., Ltd.
7  * Copyright (c) <2013-2017> Linaro Ltd.
16 #include <linux/mfd/hi6421-pmic.h>
24 	{ .name = "hi6421-regulator", },
28 	{ .name = "hi6421v530-regulator", },
40 		.compatible = "hisilicon,hi6421-pmic",
44 		.compatible = "hisilicon,hi6421v530-pmic",
59 	type = (uintptr_t)device_get_match_data(&pdev->dev);  in hi6421_pmic_probe()
61 	pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);  in hi6421_pmic_probe()
63 		return -ENOMEM;  in hi6421_pmic_probe()
69 	pmic->regmap = devm_regmap_init_mmio_clk(&pdev->dev, NULL, base,  in hi6421_pmic_probe()
71 	if (IS_ERR(pmic->regmap)) {  in hi6421_pmic_probe()
72 		dev_err(&pdev->dev, "Failed to initialise Regmap: %ld\n",  in hi6421_pmic_probe()
73 						PTR_ERR(pmic->regmap));  in hi6421_pmic_probe()
74 		return PTR_ERR(pmic->regmap);  in hi6421_pmic_probe()
81 		/* set over-current protection debounce 8ms */  in hi6421_pmic_probe()
82 		regmap_update_bits(pmic->regmap, HI6421_OCP_DEB_CTRL_REG,  in hi6421_pmic_probe()
97 		dev_err(&pdev->dev, "Unknown device type %d\n",  in hi6421_pmic_probe()
99 		return -EINVAL;  in hi6421_pmic_probe()
102 	ret = devm_mfd_add_devices(&pdev->dev, PLATFORM_DEVID_NONE,  in hi6421_pmic_probe()
105 		dev_err(&pdev->dev, "Failed to add child devices: %d\n", ret);  in hi6421_pmic_probe()