1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright 2019 NXP
43 	*freq = clk_get_rate(priv->clk);  in imx_bus_get_cur_freq()
53 	platform_device_unregister(priv->icc_pdev);  in imx_bus_exit()
56 /* imx_bus_init_icc() - register matching icc provider if required */
62 	if (!of_property_present(dev->of_node, "#interconnect-cells"))  in imx_bus_init_icc()
65 		dev_warn(dev, "imx interconnect drivers disabled\n");  in imx_bus_init_icc()
75 	priv->icc_pdev = platform_device_register_data(  in imx_bus_init_icc()
76 			dev, icc_driver_name, -1, NULL, 0);  in imx_bus_init_icc()
77 	if (IS_ERR(priv->icc_pdev)) {  in imx_bus_init_icc()
79 				icc_driver_name, PTR_ERR(priv->icc_pdev));  in imx_bus_init_icc()
80 		return PTR_ERR(priv->icc_pdev);  in imx_bus_init_icc()
88 	struct device *dev = &pdev->dev;  in imx_bus_probe()
95 		return -ENOMEM;  in imx_bus_probe()
100 	 * For imx bus clock clk_set_rate is safe no matter if the clock is on  in imx_bus_probe()
101 	 * or off and some peripheral side-buses might be off unless enabled by  in imx_bus_probe()
106 	priv->clk = devm_clk_get(dev, NULL);  in imx_bus_probe()
107 	if (IS_ERR(priv->clk)) {  in imx_bus_probe()
108 		ret = PTR_ERR(priv->clk);  in imx_bus_probe()
120 	priv->profile.target = imx_bus_target;  in imx_bus_probe()
121 	priv->profile.exit = imx_bus_exit;  in imx_bus_probe()
122 	priv->profile.get_cur_freq = imx_bus_get_cur_freq;  in imx_bus_probe()
123 	priv->profile.initial_freq = clk_get_rate(priv->clk);  in imx_bus_probe()
125 	priv->devfreq = devm_devfreq_add_device(dev, &priv->profile,  in imx_bus_probe()
127 	if (IS_ERR(priv->devfreq)) {  in imx_bus_probe()
128 		ret = PTR_ERR(priv->devfreq);  in imx_bus_probe()
145 	{ .compatible = "fsl,imx8mq-noc", .data = "imx8mq-interconnect", },
146 	{ .compatible = "fsl,imx8mm-noc", .data = "imx8mm-interconnect", },
147 	{ .compatible = "fsl,imx8mn-noc", .data = "imx8mn-interconnect", },
148 	{ .compatible = "fsl,imx8mp-noc", .data = "imx8mp-interconnect", },
149 	{ .compatible = "fsl,imx8m-noc", },
150 	{ .compatible = "fsl,imx8m-nic", },
158 		.name	= "imx-bus-devfreq",
165 MODULE_AUTHOR("Leonard Crestez <leonard.crestez@nxp.com>");