diff options
| author | Anatolij Gustschin <agust@denx.de> | 2010-07-23 03:50:18 +0000 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-08-01 17:06:44 -0600 |
| commit | 9e2089cbed7441a21d72a510897f0336afb06492 (patch) | |
| tree | 04c89a0a7130ab03d281a698bfc39b169a926b36 /arch/powerpc/platforms | |
| parent | 12fb0eb4c963452f727752aae03bbef192abed40 (diff) | |
| download | linux-9e2089cbed7441a21d72a510897f0336afb06492.tar.bz2 | |
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: Hongjun Chen <hong-jun.chen@freescale.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/512x/clock.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c index 4c42246b86a7..e1c5cd6650b1 100644 --- a/arch/powerpc/platforms/512x/clock.c +++ b/arch/powerpc/platforms/512x/clock.c @@ -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, |