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Commit 9e2089cb authored by Anatolij Gustschin's avatar Anatolij Gustschin Committed by Grant Likely
Browse files

powerpc/512x: add clock structure for Video-IN (VIU) unit 



Allows using clk_get()/clk_enable()/clk_disable() for VIU
clock in the v4l2 video driver.

Signed-off-by: default avatarHongjun Chen <hong-jun.chen@freescale.com>
Signed-off-by: default avatarAnatolij Gustschin <agust@denx.de>
Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
parent 12fb0eb4

arch/powerpc/platforms/512x/clock.c

+18 −0
Original line number Diff line number Diff line
@@ -292,6 +292,15 @@ static void diu_clk_calc(struct clk *clk) 
	clk->rate = rate;

}



static void viu_clk_calc(struct clk *clk)

{

	unsigned long rate;



	rate = sys_clk.rate;

	rate /= 2;

	clk->rate = rate;

}



static void half_clk_calc(struct clk *clk)

{

	clk->rate = clk->parent->rate / 2;
@@ -412,6 +421,14 @@ static struct clk diu_clk = { 
	.calc = diu_clk_calc,

};



static struct clk viu_clk = {

	.name = "viu_clk",

	.flags = CLK_HAS_CTRL,

	.reg = 1,

	.bit = 18,

	.calc = viu_clk_calc,

};



static struct clk axe_clk = {

	.name = "axe_clk",

	.flags = CLK_HAS_CTRL,
@@ -535,6 +552,7 @@ struct clk *rate_clks[] = { 
	&ref_clk,

	&sys_clk,

	&diu_clk,

	&viu_clk,

	&csb_clk,

	&e300_clk,

	&ips_clk,