1 // SPDX-License-Identifier: GPL-2.0-only
7  * S3C24XX CPU Frequency scaling - debugfs status support
15 #include <linux/ioport.h>
21 #include <linux/soc/samsung/s3c-cpufreq-core.h>
33 		   f->fclk, f->hclk, f->pclk, f->armclk);  in show_max()
47 	brd = cfg->board;  in board_show()
53 	seq_printf(seq, "SDRAM refresh %u ns\n", brd->refresh);  in board_show()
54 	seq_printf(seq, "auto_io=%u\n", brd->auto_io);  in board_show()
55 	seq_printf(seq, "need_io=%u\n", brd->need_io);  in board_show()
57 	show_max(seq, &brd->max);  in board_show()
75 	seq_printf(seq, "  FCLK %ld Hz\n", cfg->freq.fclk);  in info_show()
77 		   cfg->freq.hclk, print_ns(cfg->freq.hclk_tns));  in info_show()
78 	seq_printf(seq, "  PCLK %ld Hz\n", cfg->freq.hclk);  in info_show()
79 	seq_printf(seq, "ARMCLK %ld Hz\n", cfg->freq.armclk);  in info_show()
82 	show_max(seq, &cfg->max);  in info_show()
85 		   cfg->divs.h_divisor, cfg->divs.p_divisor,  in info_show()
86 		   cfg->divs.arm_divisor, cfg->divs.dvs ? "on" : "off");  in info_show()
89 	seq_printf(seq, "lock_pll=%u\n", cfg->lock_pll);  in info_show()
102 	int bank;  in io_show()  local
110 	show_bank = cfg->info->debug_io_show;  in io_show()
112 		seq_printf(seq, "no code to show bank timing\n");  in io_show()
122 	seq_printf(seq, "hclk period is %lu.%lu ns\n", print_ns(cfg->freq.hclk_tns));  in io_show()
124 	for (bank = 0; bank < MAX_BANKS; bank++) {  in io_show()
125 		iob = &iot->bank[bank];  in io_show()
127 		seq_printf(seq, "bank %d: ", bank);  in io_show()
129 		if (!iob->io_2410) {  in io_show()
144 	dbgfs_root = debugfs_create_dir("s3c-cpufreq", NULL);  in s3c_freq_debugfs_init()
150 	dbgfs_file_io = debugfs_create_file("io-timing", S_IRUGO, dbgfs_root,  in s3c_freq_debugfs_init()