drivers/cpufreq/highbank-cpufreq.c

1 // SPDX-License-Identifier: GPL-2.0-only
6  * the cpufreq-dt driver changes to frequency to alert the highbank
19 #include <linux/pl320-ipc.h>
40 		if (clk_data->new_rate > clk_data->old_rate)  in hb_cpufreq_clk_notify()
41 			while (hb_voltage_change(clk_data->new_rate))  in hb_cpufreq_clk_notify()
45 		if (clk_data->new_rate < clk_data->old_rate)  in hb_cpufreq_clk_notify()
46 			while (hb_voltage_change(clk_data->new_rate))  in hb_cpufreq_clk_notify()
60 	struct platform_device_info devinfo = { .name = "cpufreq-dt", };  in hb_cpufreq_driver_init()
67 		(!of_machine_is_compatible("calxeda,ecx-2000")))  in hb_cpufreq_driver_init()
68 		return -ENODEV;  in hb_cpufreq_driver_init()
73 		return -ENODEV;  in hb_cpufreq_driver_init()
76 	np = of_node_get(cpu_dev->of_node);  in hb_cpufreq_driver_init()
79 		return -ENOENT;  in hb_cpufreq_driver_init()
95 	/* Instantiate cpufreq-dt */  in hb_cpufreq_driver_init()
106 	{ .compatible = "calxeda,ecx-2000" },