drivers/reset/reset-brcmstb-rescal.c

1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2018-2020 Broadcom */
9 #include <linux/reset-controller.h>
28 	void __iomem *base = data->base;  in brcm_rescal_reset_set()
36 		dev_err(data->dev, "failed to start SATA/PCIe rescal\n");  in brcm_rescal_reset_set()
37 		return -EIO;  in brcm_rescal_reset_set()
43 		dev_err(data->dev, "time out on SATA/PCIe rescal\n");  in brcm_rescal_reset_set()
50 	dev_dbg(data->dev, "SATA/PCIe rescal success\n");  in brcm_rescal_reset_set()
58 	/* This is needed if #reset-cells == 0. */  in brcm_rescal_reset_xlate()
71 	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);  in brcm_rescal_reset_probe()
73 		return -ENOMEM;  in brcm_rescal_reset_probe()
76 	data->base = devm_ioremap_resource(&pdev->dev, res);  in brcm_rescal_reset_probe()
77 	if (IS_ERR(data->base))  in brcm_rescal_reset_probe()
78 		return PTR_ERR(data->base);  in brcm_rescal_reset_probe()
80 	data->rcdev.owner = THIS_MODULE;  in brcm_rescal_reset_probe()
81 	data->rcdev.nr_resets = 1;  in brcm_rescal_reset_probe()
82 	data->rcdev.ops = &brcm_rescal_reset_ops;  in brcm_rescal_reset_probe()
83 	data->rcdev.of_node = pdev->dev.of_node;  in brcm_rescal_reset_probe()
84 	data->rcdev.of_xlate = brcm_rescal_reset_xlate;  in brcm_rescal_reset_probe()
85 	data->dev = &pdev->dev;  in brcm_rescal_reset_probe()
87 	return devm_reset_controller_register(&pdev->dev, &data->rcdev);  in brcm_rescal_reset_probe()
91 	{ .compatible = "brcm,bcm7216-pcie-sata-rescal" },
99 		.name	= "brcm-rescal-reset",
106 MODULE_DESCRIPTION("Broadcom SATA/PCIe rescal reset controller");