kernel/drivers/clk/ti/clk-816x.c

   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 }