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Commit 916b1f8c authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Paul Mundt
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ARM: mach-shmobile: clock-r8a7779: clkz/clkzs support 



Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent b5813c73

arch/arm/mach-shmobile/clock-r8a7779.c

+29 −0
Original line number Diff line number Diff line
@@ -102,9 +102,35 @@ static struct clk mstp_clks[MSTP_NR] = { 
	[MSTP014] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 14, 0), /* TMU2 */

};



static unsigned long mul4_recalc(struct clk *clk)

{

	return clk->parent->rate * 4;

}



static struct clk_ops mul4_clk_ops = {

	.recalc		= mul4_recalc,

};



struct clk clkz_clk = {

	.ops		= &mul4_clk_ops,

	.parent		= &div4_clks[DIV4_S],

};



struct clk clkzs_clk = {

	/* clks x 4 / 4 = clks */

	.parent		= &div4_clks[DIV4_S],

};



static struct clk *late_main_clks[] = {

	&clkz_clk,

	&clkzs_clk,

};



static struct clk_lookup lookups[] = {

	/* main clocks */

	CLKDEV_CON_ID("plla_clk", &plla_clk),

	CLKDEV_CON_ID("clkz_clk", &clkz_clk),

	CLKDEV_CON_ID("clkzs_clk", &clkzs_clk),



	/* DIV4 clocks */

	CLKDEV_CON_ID("shyway_clk",	&div4_clks[DIV4_S]),
@@ -138,6 +164,9 @@ void __init r8a7779_clock_init(void) 
	if (!ret)

		ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);



	for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)

		ret = clk_register(late_main_clks[k]);



	clkdev_add_table(lookups, ARRAY_SIZE(lookups));



	if (!ret)