Lines Matching +full:mpfs +full:- +full:sys +full:- +full:controller

1 // SPDX-License-Identifier: GPL-2.0
3  * Microchip PolarFire SoC (MPFS) system controller driver
5  * Copyright (c) 2020-2021 Microchip Corporation. All rights reserved.
18 #include <soc/microchip/mpfs.h>
37 	reinit_completion(&sys_controller->c);  in mpfs_blocking_transaction()
39 	ret = mbox_send_message(sys_controller->chan, msg);  in mpfs_blocking_transaction()
41 		if (wait_for_completion_timeout(&sys_controller->c, HZ)) {  in mpfs_blocking_transaction()
44 			ret = -ETIMEDOUT;  in mpfs_blocking_transaction()
45 			dev_warn(sys_controller->client.dev,  in mpfs_blocking_transaction()
46 				 "MPFS sys controller transaction timeout\n");  in mpfs_blocking_transaction()
49 		dev_err(sys_controller->client.dev,  in mpfs_blocking_transaction()
50 			"mpfs sys controller transaction returned %d\n", ret);  in mpfs_blocking_transaction()
64 	complete(&sys_controller->c);  in rx_callback()
72 	mbox_free_channel(sys_controller->chan);  in mpfs_sys_controller_delete()
80 	kref_put(&sys_controller->consumers, mpfs_sys_controller_delete);  in mpfs_sys_controller_put()
85 		.name		= "mpfs-rng",
86 		.id		= -1,
89 		.name		= "mpfs-generic-service",
90 		.id		= -1,
96 	struct device *dev = &pdev->dev;  in mpfs_sys_controller_probe()
102 		return -ENOMEM;  in mpfs_sys_controller_probe()
104 	sys_controller->client.dev = dev;  in mpfs_sys_controller_probe()
105 	sys_controller->client.rx_callback = rx_callback;  in mpfs_sys_controller_probe()
106 	sys_controller->client.tx_block = 1U;  in mpfs_sys_controller_probe()
108 	sys_controller->chan = mbox_request_channel(&sys_controller->client, 0);  in mpfs_sys_controller_probe()
109 	if (IS_ERR(sys_controller->chan)) {  in mpfs_sys_controller_probe()
110 		ret = dev_err_probe(dev, PTR_ERR(sys_controller->chan),  in mpfs_sys_controller_probe()
116 	init_completion(&sys_controller->c);  in mpfs_sys_controller_probe()
117 	kref_init(&sys_controller->consumers);  in mpfs_sys_controller_probe()
121 	dev_info(&pdev->dev, "Registered MPFS system controller\n");  in mpfs_sys_controller_probe()
142 	{.compatible = "microchip,mpfs-sys-controller", },
153 	if (!dev->parent)  in mpfs_sys_controller_get()
156 	match = of_match_node(mpfs_sys_controller_of_match,  dev->parent->of_node);  in mpfs_sys_controller_get()
157 	of_node_put(dev->parent->of_node);  in mpfs_sys_controller_get()
161 	sys_controller = dev_get_drvdata(dev->parent);  in mpfs_sys_controller_get()
165 	if (!kref_get_unless_zero(&sys_controller->consumers))  in mpfs_sys_controller_get()
175 	dev_dbg(dev, "Parent device was not an MPFS system controller\n");  in mpfs_sys_controller_get()
176 	return ERR_PTR(-ENODEV);  in mpfs_sys_controller_get()
179 	dev_dbg(dev, "MPFS system controller found but could not register as a sub device\n");  in mpfs_sys_controller_get()
180 	return ERR_PTR(-EPROBE_DEFER);  in mpfs_sys_controller_get()
186 		.name = "mpfs-sys-controller",
196 MODULE_DESCRIPTION("MPFS system controller driver");