drivers/reset/reset-zynqmp.c

1 // SPDX-License-Identifier: GPL-2.0+
10 #include <linux/reset-controller.h>
11 #include <linux/firmware/xlnx-zynqmp.h>
13 #define ZYNQMP_NR_RESETS (ZYNQMP_PM_RESET_END - ZYNQMP_PM_RESET_START)
39 	return zynqmp_pm_reset_assert(priv->data->reset_id + id,  in zynqmp_reset_assert()
48 	return zynqmp_pm_reset_assert(priv->data->reset_id + id,  in zynqmp_reset_deassert()
59 	err = zynqmp_pm_reset_get_status(priv->data->reset_id + id, &val);  in zynqmp_reset_status()
71 	return zynqmp_pm_reset_assert(priv->data->reset_id + id,  in zynqmp_reset_reset()
78 	return reset_spec->args[0];  in zynqmp_reset_of_xlate()
97 	.reset = zynqmp_reset_reset,
107 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);  in zynqmp_reset_probe()
109 		return -ENOMEM;  in zynqmp_reset_probe()
111 	priv->data = of_device_get_match_data(&pdev->dev);  in zynqmp_reset_probe()
112 	if (!priv->data)  in zynqmp_reset_probe()
113 		return -EINVAL;  in zynqmp_reset_probe()
115 	priv->rcdev.ops = &zynqmp_reset_ops;  in zynqmp_reset_probe()
116 	priv->rcdev.owner = THIS_MODULE;  in zynqmp_reset_probe()
117 	priv->rcdev.of_node = pdev->dev.of_node;  in zynqmp_reset_probe()
118 	priv->rcdev.nr_resets = priv->data->num_resets;  in zynqmp_reset_probe()
119 	priv->rcdev.of_reset_n_cells = 1;  in zynqmp_reset_probe()
120 	priv->rcdev.of_xlate = zynqmp_reset_of_xlate;  in zynqmp_reset_probe()
122 	return devm_reset_controller_register(&pdev->dev, &priv->rcdev);  in zynqmp_reset_probe()
126 	{ .compatible = "xlnx,zynqmp-reset", .data = &zynqmp_reset_data, },
127 	{ .compatible = "xlnx,versal-reset", .data = &versal_reset_data, },
128 	{ .compatible = "xlnx,versal-net-reset", .data = &versal_net_reset_data, },