xref: /openbmc/linux/drivers/clk/ti/clk-816x.c (revision bc5aa3a0)
1 /*
2  * This program is free software; you can redistribute it and/or
3  * modify it under the terms of the GNU General Public License as
4  * published by the Free Software Foundation version 2.
5  *
6  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
7  * kind, whether express or implied; without even the implied warranty
8  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9  * GNU General Public License for more details.
10  */
11 
12 #include <linux/kernel.h>
13 #include <linux/list.h>
14 #include <linux/clk-provider.h>
15 #include <linux/clk/ti.h>
16 
17 #include "clock.h"
18 
19 static struct ti_dt_clk dm816x_clks[] = {
20 	DT_CLK(NULL, "sys_clkin", "sys_clkin_ck"),
21 	DT_CLK(NULL, "timer_sys_ck", "sys_clkin_ck"),
22 	DT_CLK(NULL, "sys_32k_ck", "sys_32k_ck"),
23 	DT_CLK(NULL, "timer_32k_ck", "sysclk18_ck"),
24 	DT_CLK(NULL, "timer_ext_ck", "tclkin_ck"),
25 	DT_CLK(NULL, "mpu_ck", "mpu_ck"),
26 	DT_CLK(NULL, "timer1_fck", "timer1_fck"),
27 	DT_CLK(NULL, "timer2_fck", "timer2_fck"),
28 	DT_CLK(NULL, "timer3_fck", "timer3_fck"),
29 	DT_CLK(NULL, "timer4_fck", "timer4_fck"),
30 	DT_CLK(NULL, "timer5_fck", "timer5_fck"),
31 	DT_CLK(NULL, "timer6_fck", "timer6_fck"),
32 	DT_CLK(NULL, "timer7_fck", "timer7_fck"),
33 	DT_CLK(NULL, "sysclk4_ck", "sysclk4_ck"),
34 	DT_CLK(NULL, "sysclk5_ck", "sysclk5_ck"),
35 	DT_CLK(NULL, "sysclk6_ck", "sysclk6_ck"),
36 	DT_CLK(NULL, "sysclk10_ck", "sysclk10_ck"),
37 	DT_CLK(NULL, "sysclk18_ck", "sysclk18_ck"),
38 	DT_CLK(NULL, "sysclk24_ck", "sysclk24_ck"),
39 	DT_CLK("4a100000.ethernet", "sysclk24_ck", "sysclk24_ck"),
40 	{ .node_name = NULL },
41 };
42 
43 static const char *enable_init_clks[] = {
44 	"ddr_pll_clk1",
45 	"ddr_pll_clk2",
46 	"ddr_pll_clk3",
47 };
48 
49 int __init dm816x_dt_clk_init(void)
50 {
51 	ti_dt_clocks_register(dm816x_clks);
52 	omap2_clk_disable_autoidle_all();
53 	omap2_clk_enable_init_clocks(enable_init_clks,
54 				     ARRAY_SIZE(enable_init_clks));
55 
56 	return 0;
57 }
58