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#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/clk-provider.h>
#include <linux/of.h>
/*
* The Nomadik clock tree is described in the STN8815A12 DB V4.2
* reference manual for the chip, page 94 ff.
*/
static const __initconst struct of_device_id cpu8815_clk_match[] = {
{ .compatible = "fixed-clock", .data = of_fixed_clk_setup, },
{ /* sentinel */ }
};
void __init nomadik_clk_init(void)
{
struct clk *clk;
clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, CLK_IS_ROOT, 0);
clk_register_clkdev(clk, "apb_pclk", NULL);
/*
* The 2.4 MHz TIMCLK reference clock is active at boot time, this is
* actually the MXTALCLK @19.2 MHz divided by 8. This clock is used
* by the timers and watchdog. See page 105 ff.
*/
clk = clk_register_fixed_rate(NULL, "TIMCLK", NULL, CLK_IS_ROOT,
2400000);
clk_register_clkdev(clk, NULL, "mtu0");
clk_register_clkdev(clk, NULL, "mtu1");
of_clk_init(cpu8815_clk_match);
}
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