1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Copyright (c) 2016-2017 Linaro Ltd.
4  * Copyright (c) 2016-2017 HiSilicon Technologies Co., Ltd.
7 #include <linux/mfd/syscon.h>
12 #include <linux/reset-controller.h>
15 	struct reset_controller_dev rst;  member
20 	container_of(_rst, struct hi3660_reset_controller, rst)
30 		return regmap_write(rc->map, offset, mask);  in hi3660_reset_program_hw()
32 		return regmap_write(rc->map, offset + 4, mask);  in hi3660_reset_program_hw()
70 	offset = reset_spec->args[0];  in hi3660_reset_xlate()
71 	bit = reset_spec->args[1];  in hi3660_reset_xlate()
79 	struct device_node *np = pdev->dev.of_node;  in hi3660_reset_probe()
80 	struct device *dev = &pdev->dev;  in hi3660_reset_probe()
84 		return -ENOMEM;  in hi3660_reset_probe()
86 	rc->map = syscon_regmap_lookup_by_phandle(np, "hisilicon,rst-syscon");  in hi3660_reset_probe()
87 	if (rc->map == ERR_PTR(-ENODEV)) {  in hi3660_reset_probe()
89 		rc->map = syscon_regmap_lookup_by_phandle(np,  in hi3660_reset_probe()
90 							  "hisi,rst-syscon");  in hi3660_reset_probe()
92 	if (IS_ERR(rc->map)) {  in hi3660_reset_probe()
93 		return dev_err_probe(dev, PTR_ERR(rc->map),  in hi3660_reset_probe()
94 			"failed to get hisilicon,rst-syscon\n");  in hi3660_reset_probe()
97 	rc->rst.ops = &hi3660_reset_ops,  in hi3660_reset_probe()
98 	rc->rst.of_node = np;  in hi3660_reset_probe()
99 	rc->rst.of_reset_n_cells = 2;  in hi3660_reset_probe()
100 	rc->rst.of_xlate = hi3660_reset_xlate;  in hi3660_reset_probe()
102 	return reset_controller_register(&rc->rst);  in hi3660_reset_probe()
106 	{ .compatible = "hisilicon,hi3660-reset", },
114 		.name = "hi3660-reset",
126 MODULE_ALIAS("platform:hi3660-reset");