FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-23 09:56:00 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

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

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

Signed-off-by: Hongjun Chen <hong-jun.chen@freescale.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Anatolij Gustschin 2010-07-23 03:50:18 +00:00 committed by Grant Likely
parent 12fb0eb4c9
commit 9e2089cbed
1 changed files with 18 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
arch/powerpc/platforms/512x/clock.c
View File

@ -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,