diff options
Diffstat (limited to 'arch/arm/plat-s5p')
| -rw-r--r-- | arch/arm/plat-s5p/clock.c | 2 | ||||
| -rw-r--r-- | arch/arm/plat-s5p/include/plat/pll.h | 22 | ||||
| -rw-r--r-- | arch/arm/plat-s5p/include/plat/s5p-clock.h | 2 |
3 files changed, 25 insertions, 1 deletions
diff --git a/arch/arm/plat-s5p/clock.c b/arch/arm/plat-s5p/clock.c index a8bfabf4b6bc..24a931fd8d3b 100644 --- a/arch/arm/plat-s5p/clock.c +++ b/arch/arm/plat-s5p/clock.c @@ -38,7 +38,7 @@ struct clk clk_xusbxti = { .id = -1, }; -static struct clk s5p_clk_27m = { +struct clk s5p_clk_27m = { .name = "clk_27m", .id = -1, .rate = 27000000, diff --git a/arch/arm/plat-s5p/include/plat/pll.h b/arch/arm/plat-s5p/include/plat/pll.h index d48325bb29e2..7db322726bc2 100644 --- a/arch/arm/plat-s5p/include/plat/pll.h +++ b/arch/arm/plat-s5p/include/plat/pll.h @@ -81,3 +81,25 @@ static inline unsigned long s5p_get_pll90xx(unsigned long baseclk, return result; } + +#define PLL65XX_MDIV_MASK (0x3FF) +#define PLL65XX_PDIV_MASK (0x3F) +#define PLL65XX_SDIV_MASK (0x7) +#define PLL65XX_MDIV_SHIFT (16) +#define PLL65XX_PDIV_SHIFT (8) +#define PLL65XX_SDIV_SHIFT (0) + +static inline unsigned long s5p_get_pll65xx(unsigned long baseclk, u32 pll_con) +{ + u32 mdiv, pdiv, sdiv; + u64 fvco = baseclk; + + mdiv = (pll_con >> PLL65XX_MDIV_SHIFT) & PLL65XX_MDIV_MASK; + pdiv = (pll_con >> PLL65XX_PDIV_SHIFT) & PLL65XX_PDIV_MASK; + sdiv = (pll_con >> PLL65XX_SDIV_SHIFT) & PLL65XX_SDIV_MASK; + + fvco *= mdiv; + do_div(fvco, (pdiv << sdiv)); + + return (unsigned long)fvco; +} diff --git a/arch/arm/plat-s5p/include/plat/s5p-clock.h b/arch/arm/plat-s5p/include/plat/s5p-clock.h index aa0447a18903..09418b1101fe 100644 --- a/arch/arm/plat-s5p/include/plat/s5p-clock.h +++ b/arch/arm/plat-s5p/include/plat/s5p-clock.h @@ -21,10 +21,12 @@ #define clk_fin_mpll clk_ext_xtal_mux #define clk_fin_epll clk_ext_xtal_mux #define clk_fin_vpll clk_ext_xtal_mux +#define clk_fin_hpll clk_ext_xtal_mux extern struct clk clk_ext_xtal_mux; extern struct clk clk_xusbxti; extern struct clk clk_48m; +extern struct clk s5p_clk_27m; extern struct clk clk_fout_apll; extern struct clk clk_fout_mpll; extern struct clk clk_fout_epll; |