| Message ID | 1412674438-26160-2-git-send-email-kever.yang@rock-chips.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Kever, On Tue, Oct 7, 2014 at 2:33 AM, Kever Yang <kever.yang@rock-chips.com> wrote: > This patch add 400MHz and 500MHz to clock rate table for rk3288. > > Signed-off-by: Kever Yang <kever.yang@rock-chips.com> > --- > > drivers/clk/rockchip/clk-rk3288.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c > index d053529..f6ea9c6 100644 > --- a/drivers/clk/rockchip/clk-rk3288.c > +++ b/drivers/clk/rockchip/clk-rk3288.c > @@ -86,8 +86,10 @@ struct rockchip_pll_rate_table rk3288_pll_rates[] = { > RK3066_PLL_RATE( 594000000, 2, 198, 4), > RK3066_PLL_RATE( 552000000, 1, 46, 2), > RK3066_PLL_RATE( 504000000, 1, 84, 4), > + RK3066_PLL_RATE( 500000000, 3, 125, 2), > RK3066_PLL_RATE( 456000000, 1, 76, 4), > RK3066_PLL_RATE( 408000000, 1, 68, 4), > + RK3066_PLL_RATE( 400000000, 3, 50, 1), This violates the constraints in the TRM. That says: Fvco = (Fin/NR)*NF value range requirement: 440MHz – 2200MHz I believe you end up with 400Mhz, not 440. Are you aware of this? Is there some reason it's OK to violate the TRM in this case? -Doug
diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c index d053529..f6ea9c6 100644 --- a/drivers/clk/rockchip/clk-rk3288.c +++ b/drivers/clk/rockchip/clk-rk3288.c @@ -86,8 +86,10 @@ struct rockchip_pll_rate_table rk3288_pll_rates[] = { RK3066_PLL_RATE( 594000000, 2, 198, 4), RK3066_PLL_RATE( 552000000, 1, 46, 2), RK3066_PLL_RATE( 504000000, 1, 84, 4), + RK3066_PLL_RATE( 500000000, 3, 125, 2), RK3066_PLL_RATE( 456000000, 1, 76, 4), RK3066_PLL_RATE( 408000000, 1, 68, 4), + RK3066_PLL_RATE( 400000000, 3, 50, 1), RK3066_PLL_RATE( 384000000, 2, 128, 4), RK3066_PLL_RATE( 360000000, 1, 60, 4), RK3066_PLL_RATE( 312000000, 1, 52, 4),
This patch add 400MHz and 500MHz to clock rate table for rk3288. Signed-off-by: Kever Yang <kever.yang@rock-chips.com> --- drivers/clk/rockchip/clk-rk3288.c | 2 ++ 1 file changed, 2 insertions(+)