6e2b07a172
This moves all Nomadik clocks except the one used for the timer/clocksource over to the device tree. Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
37 lines
1000 B
C
37 lines
1000 B
C
#include <linux/clk.h>
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#include <linux/clkdev.h>
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#include <linux/err.h>
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#include <linux/io.h>
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#include <linux/clk-provider.h>
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#include <linux/of.h>
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/*
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* The Nomadik clock tree is described in the STN8815A12 DB V4.2
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* reference manual for the chip, page 94 ff.
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*/
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static const __initconst struct of_device_id cpu8815_clk_match[] = {
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{ .compatible = "fixed-clock", .data = of_fixed_clk_setup, },
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{ /* sentinel */ }
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};
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void __init nomadik_clk_init(void)
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{
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struct clk *clk;
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clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, CLK_IS_ROOT, 0);
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clk_register_clkdev(clk, "apb_pclk", NULL);
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/*
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* The 2.4 MHz TIMCLK reference clock is active at boot time, this is
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* actually the MXTALCLK @19.2 MHz divided by 8. This clock is used
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* by the timers and watchdog. See page 105 ff.
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*/
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clk = clk_register_fixed_rate(NULL, "TIMCLK", NULL, CLK_IS_ROOT,
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2400000);
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clk_register_clkdev(clk, NULL, "mtu0");
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clk_register_clkdev(clk, NULL, "mtu1");
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of_clk_init(cpu8815_clk_match);
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}
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