diff options
Diffstat (limited to 'arch/arm/plat-spear/include/plat/clock.h')
-rw-r--r-- | arch/arm/plat-spear/include/plat/clock.h | 68 |
1 files changed, 56 insertions, 12 deletions
diff --git a/arch/arm/plat-spear/include/plat/clock.h b/arch/arm/plat-spear/include/plat/clock.h index 2572260f990f..863d9e983927 100644 --- a/arch/arm/plat-spear/include/plat/clock.h +++ b/arch/arm/plat-spear/include/plat/clock.h @@ -54,7 +54,7 @@ struct pclk_info { struct pclk_sel { struct pclk_info *pclk_info; u8 pclk_count; - unsigned int *pclk_sel_reg; + void __iomem *pclk_sel_reg; unsigned int pclk_sel_mask; }; @@ -67,6 +67,7 @@ struct pclk_sel { * @en_reg_bit: clk enable/disable bit * @ops: clk enable/disable ops - generic_clkops selected if NULL * @recalc: pointer to clock rate recalculate function + * @div_factor: division factor to parent clock. Only for recalc = follow_parent * @pclk: current parent clk * @pclk_sel: pointer to parent selection structure * @pclk_sel_shift: register shift for selecting parent of this clock @@ -78,10 +79,11 @@ struct clk { unsigned int usage_count; unsigned int flags; unsigned long rate; - unsigned int *en_reg; + void __iomem *en_reg; u8 en_reg_bit; const struct clkops *ops; void (*recalc) (struct clk *); + unsigned int div_factor; struct clk *pclk; struct pclk_sel *pclk_sel; @@ -93,23 +95,65 @@ struct clk { }; /* pll configuration structure */ +struct pll_clk_masks { + u32 mode_mask; + u32 mode_shift; + + u32 norm_fdbk_m_mask; + u32 norm_fdbk_m_shift; + u32 dith_fdbk_m_mask; + u32 dith_fdbk_m_shift; + u32 div_p_mask; + u32 div_p_shift; + u32 div_n_mask; + u32 div_n_shift; +}; + struct pll_clk_config { - unsigned int *mode_reg; - unsigned int *cfg_reg; + void __iomem *mode_reg; + void __iomem *cfg_reg; + struct pll_clk_masks *masks; }; /* ahb and apb bus configuration structure */ +struct bus_clk_masks { + u32 mask; + u32 shift; +}; + struct bus_clk_config { - unsigned int *reg; - unsigned int mask; - unsigned int shift; + void __iomem *reg; + struct bus_clk_masks *masks; +}; + +/* Aux clk configuration structure: applicable to UART and FIRDA */ +struct aux_clk_masks { + u32 eq_sel_mask; + u32 eq_sel_shift; + u32 eq1_mask; + u32 eq2_mask; + u32 xscale_sel_mask; + u32 xscale_sel_shift; + u32 yscale_sel_mask; + u32 yscale_sel_shift; }; -/* - * Aux clk configuration structure: applicable to GPT, UART and FIRDA - */ struct aux_clk_config { - unsigned int *synth_reg; + void __iomem *synth_reg; + struct aux_clk_masks *masks; +}; + +/* GPT clk configuration structure */ +struct gpt_clk_masks { + u32 mscale_sel_mask; + u32 mscale_sel_shift; + u32 nscale_sel_mask; + u32 nscale_sel_shift; +}; + +struct gpt_clk_config { + void __iomem *synth_reg; + struct gpt_clk_masks *masks; }; /* platform specific clock functions */ @@ -118,7 +162,7 @@ void recalc_root_clocks(void); /* clock recalc functions */ void follow_parent(struct clk *clk); -void pll1_clk_recalc(struct clk *clk); +void pll_clk_recalc(struct clk *clk); void bus_clk_recalc(struct clk *clk); void gpt_clk_recalc(struct clk *clk); void aux_clk_recalc(struct clk *clk); |