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.
19 #include <soc/microchip/mpfs.h>
45 	reinit_completion(&sys_controller->c);  in mpfs_blocking_transaction()
47 	ret = mbox_send_message(sys_controller->chan, msg);  in mpfs_blocking_transaction()
49 		dev_warn(sys_controller->client.dev, "MPFS sys controller service timeout\n");  in mpfs_blocking_transaction()
54 	 * Unfortunately, the system controller will only deliver an interrupt  in mpfs_blocking_transaction()
64 	if (!wait_for_completion_timeout(&sys_controller->c, timeout)) {  in mpfs_blocking_transaction()
65 		ret = -EBADMSG;  in mpfs_blocking_transaction()
66 		dev_warn(sys_controller->client.dev, "MPFS sys controller service failed\n");  in mpfs_blocking_transaction()
83 	complete(&sys_controller->c);  in mpfs_sys_controller_rx_callback()
91 	mbox_free_channel(sys_controller->chan);  in mpfs_sys_controller_delete()
99 	kref_put(&sys_controller->consumers, mpfs_sys_controller_delete);  in mpfs_sys_controller_put()
104 		.name		= "mpfs-rng",
105 		.id		= -1,
108 		.name		= "mpfs-generic-service",
109 		.id		= -1,
115 	struct device *dev = &pdev->dev;  in mpfs_sys_controller_probe()
121 		return -ENOMEM;  in mpfs_sys_controller_probe()
123 	sys_controller->client.dev = dev;  in mpfs_sys_controller_probe()
124 	sys_controller->client.rx_callback = mpfs_sys_controller_rx_callback;  in mpfs_sys_controller_probe()
125 	sys_controller->client.tx_block = 1U;  in mpfs_sys_controller_probe()
126 	sys_controller->client.tx_tout = msecs_to_jiffies(MPFS_SYS_CTRL_TIMEOUT_MS);  in mpfs_sys_controller_probe()
128 	sys_controller->chan = mbox_request_channel(&sys_controller->client, 0);  in mpfs_sys_controller_probe()
129 	if (IS_ERR(sys_controller->chan)) {  in mpfs_sys_controller_probe()
130 		ret = dev_err_probe(dev, PTR_ERR(sys_controller->chan),  in mpfs_sys_controller_probe()
136 	init_completion(&sys_controller->c);  in mpfs_sys_controller_probe()
137 	kref_init(&sys_controller->consumers);  in mpfs_sys_controller_probe()
141 	dev_info(&pdev->dev, "Registered MPFS system controller\n");  in mpfs_sys_controller_probe()
162 	{.compatible = "microchip,mpfs-sys-controller", },
173 	if (!dev->parent)  in mpfs_sys_controller_get()
176 	match = of_match_node(mpfs_sys_controller_of_match,  dev->parent->of_node);  in mpfs_sys_controller_get()
177 	of_node_put(dev->parent->of_node);  in mpfs_sys_controller_get()
181 	sys_controller = dev_get_drvdata(dev->parent);  in mpfs_sys_controller_get()
185 	if (!kref_get_unless_zero(&sys_controller->consumers))  in mpfs_sys_controller_get()
195 	dev_dbg(dev, "Parent device was not an MPFS system controller\n");  in mpfs_sys_controller_get()
196 	return ERR_PTR(-ENODEV);  in mpfs_sys_controller_get()
199 	dev_dbg(dev, "MPFS system controller found but could not register as a sub device\n");  in mpfs_sys_controller_get()
200 	return ERR_PTR(-EPROBE_DEFER);  in mpfs_sys_controller_get()
206 		.name = "mpfs-sys-controller",
216 MODULE_DESCRIPTION("MPFS system controller driver");