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Commit 877d1b57 authored by Jaecheol Lee's avatar Jaecheol Lee Committed by Kukjin Kim
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ARM: S5PV310: Add FOUT APLL get rate function 



FOUT APLL clock is used as a source of ARM core clock. So we need that the
clock source can be changed dynamically by using CPUFREQ driver. This patch
can give correct frequency when calling clk_get_rate() function.

Signed-off-by: default avatarJaecheol Lee <jc.lee@samsung.com>
Signed-off-by: default avatarSangwook Ju <sw.ju@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent bf5ce054

arch/arm/mach-s5pv310/clock.c

+15 −1
Original line number Diff line number Diff line
@@ -990,6 +990,17 @@ static struct clksrc_clk *sysclks[] = { 
	&clk_dout_mmc4,

};



static int xtal_rate;



static unsigned long s5pv310_fout_apll_get_rate(struct clk *clk)

{

	return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0), pll_4508);

}



static struct clk_ops s5pv310_fout_apll_ops = {

	.get_rate = s5pv310_fout_apll_get_rate,

};



void __init_or_cpufreq s5pv310_setup_clocks(void)

{

	struct clk *xtal_clk;
@@ -1013,6 +1024,9 @@ void __init_or_cpufreq s5pv310_setup_clocks(void) 
	BUG_ON(IS_ERR(xtal_clk));



	xtal = clk_get_rate(xtal_clk);



	xtal_rate = xtal;



	clk_put(xtal_clk);



	printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
@@ -1026,7 +1040,7 @@ void __init_or_cpufreq s5pv310_setup_clocks(void) 
	vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),

				__raw_readl(S5P_VPLL_CON1), pll_4650);



	clk_fout_apll.rate = apll;

	clk_fout_apll.ops = &s5pv310_fout_apll_ops;

	clk_fout_mpll.rate = mpll;

	clk_fout_epll.rate = epll;

	clk_fout_vpll.rate = vpll;