git.oblomov.eu Git - linux-2.6/blob - arch/sh/kernel/cpu/clock-cpg.c

   1 #include <linux/clk.h>
   2 #include <linux/compiler.h>
   3 #include <asm/clock.h>
   4
   5 static struct clk master_clk = {
   6         .name           = "master_clk",
   7         .flags          = CLK_ENABLE_ON_INIT,
   8         .rate           = CONFIG_SH_PCLK_FREQ,
   9 };
  10
  11 static struct clk peripheral_clk = {
  12         .name           = "peripheral_clk",
  13         .parent         = &master_clk,
  14         .flags          = CLK_ENABLE_ON_INIT,
  15 };
  16
  17 static struct clk bus_clk = {
  18         .name           = "bus_clk",
  19         .parent         = &master_clk,
  20         .flags          = CLK_ENABLE_ON_INIT,
  21 };
  22
  23 static struct clk cpu_clk = {
  24         .name           = "cpu_clk",
  25         .parent         = &master_clk,
  26         .flags          = CLK_ENABLE_ON_INIT,
  27 };
  28
  29 /*
  30  * The ordering of these clocks matters, do not change it.
  31  */
  32 static struct clk *onchip_clocks[] = {
  33         &master_clk,
  34         &peripheral_clk,
  35         &bus_clk,
  36         &cpu_clk,
  37 };
  38
  39 int __init __deprecated cpg_clk_init(void)
  40 {
  41         int i, ret = 0;
  42
  43         for (i = 0; i < ARRAY_SIZE(onchip_clocks); i++) {
  44                 struct clk *clk = onchip_clocks[i];
  45                 arch_init_clk_ops(&clk->ops, i);
  46                 if (clk->ops)
  47                         ret |= clk_register(clk);
  48         }
  49
  50         return ret;
  51 }
  52
  53 /*
  54  * Placeholder for compatability, until the lazy CPUs do this
  55  * on their own.
  56  */
  57 int __init __weak arch_clk_init(void)
  58 {
  59         return cpg_clk_init();
  60 }