diff options
Diffstat (limited to 'drivers/clk/tegra/clk.h')
| -rw-r--r-- | drivers/clk/tegra/clk.h | 101 |
1 files changed, 98 insertions, 3 deletions
diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h index 5d2678914160..4dbcfaec576a 100644 --- a/drivers/clk/tegra/clk.h +++ b/drivers/clk/tegra/clk.h @@ -110,14 +110,16 @@ struct clk *tegra_clk_register_mc(const char *name, const char *parent_name, * @m: input divider * @p: post divider * @cpcon: charge pump current + * @sdm_data: fraction divider setting (0 = disabled) */ struct tegra_clk_pll_freq_table { unsigned long input_rate; unsigned long output_rate; - u16 n; + u32 n; u16 m; u8 p; u8 cpcon; + u16 sdm_data; }; /** @@ -156,6 +158,10 @@ struct div_nmp { u8 override_divp_shift; }; +#define MAX_PLL_MISC_REG_COUNT 6 + +struct tegra_clk_pll; + /** * struct tegra_clk_pll_params - PLL parameters * @@ -172,6 +178,14 @@ struct div_nmp { * @lock_enable_bit_idx: Bit index to enable PLL lock * @iddq_reg: PLL IDDQ register offset * @iddq_bit_idx: Bit index to enable PLL IDDQ + * @reset_reg: Register offset of where RESET bit is + * @reset_bit_idx: Shift of reset bit in reset_reg + * @sdm_din_reg: Register offset where SDM settings are + * @sdm_din_mask: Mask of SDM divider bits + * @sdm_ctrl_reg: Register offset where SDM enable is + * @sdm_ctrl_en_mask: Mask of SDM enable bit + * @ssc_ctrl_reg: Register offset where SSC settings are + * @ssc_ctrl_en_mask: Mask of SSC enable bit * @aux_reg: AUX register offset * @dyn_ramp_reg: Dynamic ramp control register offset * @ext_misc_reg: Miscellaneous control register offsets @@ -182,10 +196,27 @@ struct div_nmp { * @stepb_shift: Dynamic ramp step B field shift * @lock_delay: Delay in us if PLL lock is not used * @max_p: maximum value for the p divider + * @defaults_set: Boolean signaling all reg defaults for PLL set. * @pdiv_tohw: mapping of p divider to register values * @div_nmp: offsets and widths on n, m and p fields * @freq_table: array of frequencies supported by PLL * @fixed_rate: PLL rate if it is fixed + * @mdiv_default: Default value for fixed mdiv for this PLL + * @round_p_to_pdiv: Callback used to round p to the closed pdiv + * @set_gain: Callback to adjust N div for SDM enabled + * PLL's based on fractional divider value. + * @calc_rate: Callback used to change how out of table + * rates (dividers and multipler) are calculated. + * @adjust_vco: Callback to adjust the programming range of the + * divider range (if SDM is present) + * @set_defaults: Callback which will try to initialize PLL + * registers to sane default values. This is first + * tried during PLL registration, but if the PLL + * is already enabled, it will be done the first + * time the rate is changed while the PLL is + * disabled. + * @dyn_ramp: Callback which can be used to define a custom + * dynamic ramp function for a given PLL. * * Flags: * TEGRA_PLL_USE_LOCK - This flag indicated to use lock bits for @@ -207,6 +238,11 @@ struct div_nmp { * base register. * TEGRA_PLL_BYPASS - PLL has bypass bit * TEGRA_PLL_HAS_LOCK_ENABLE - PLL has bit to enable lock monitoring + * TEGRA_MDIV_NEW - Switch to new method for calculating fixed mdiv + * it may be more accurate (especially if SDM present) + * TEGRA_PLLMB - PLLMB has should be treated similar to PLLM. This + * flag indicated that it is PLLMB. + * TEGRA_PLL_VCO_OUT - Used to indicate that the PLL has a VCO output */ struct tegra_clk_pll_params { unsigned long input_min; @@ -223,9 +259,17 @@ struct tegra_clk_pll_params { u32 lock_enable_bit_idx; u32 iddq_reg; u32 iddq_bit_idx; + u32 reset_reg; + u32 reset_bit_idx; + u32 sdm_din_reg; + u32 sdm_din_mask; + u32 sdm_ctrl_reg; + u32 sdm_ctrl_en_mask; + u32 ssc_ctrl_reg; + u32 ssc_ctrl_en_mask; u32 aux_reg; u32 dyn_ramp_reg; - u32 ext_misc_reg[3]; + u32 ext_misc_reg[MAX_PLL_MISC_REG_COUNT]; u32 pmc_divnm_reg; u32 pmc_divp_reg; u32 flags; @@ -233,10 +277,22 @@ struct tegra_clk_pll_params { int stepb_shift; int lock_delay; int max_p; - struct pdiv_map *pdiv_tohw; + bool defaults_set; + const struct pdiv_map *pdiv_tohw; struct div_nmp *div_nmp; struct tegra_clk_pll_freq_table *freq_table; unsigned long fixed_rate; + u16 mdiv_default; + u32 (*round_p_to_pdiv)(u32 p, u32 *pdiv); + void (*set_gain)(struct tegra_clk_pll_freq_table *cfg); + int (*calc_rate)(struct clk_hw *hw, + struct tegra_clk_pll_freq_table *cfg, + unsigned long rate, unsigned long parent_rate); + unsigned long (*adjust_vco)(struct tegra_clk_pll_params *pll_params, + unsigned long parent_rate); + void (*set_defaults)(struct tegra_clk_pll *pll); + int (*dyn_ramp)(struct tegra_clk_pll *pll, + struct tegra_clk_pll_freq_table *cfg); }; #define TEGRA_PLL_USE_LOCK BIT(0) @@ -250,6 +306,9 @@ struct tegra_clk_pll_params { #define TEGRA_PLL_LOCK_MISC BIT(8) #define TEGRA_PLL_BYPASS BIT(9) #define TEGRA_PLL_HAS_LOCK_ENABLE BIT(10) +#define TEGRA_MDIV_NEW BIT(11) +#define TEGRA_PLLMB BIT(12) +#define TEGRA_PLL_VCO_OUT BIT(13) /** * struct tegra_clk_pll - Tegra PLL clock @@ -303,6 +362,12 @@ struct clk *tegra_clk_register_pllxc(const char *name, const char *parent_name, struct tegra_clk_pll_params *pll_params, spinlock_t *lock); +struct clk *tegra_clk_register_pllxc_tegra210(const char *name, + const char *parent_name, void __iomem *clk_base, + void __iomem *pmc, unsigned long flags, + struct tegra_clk_pll_params *pll_params, + spinlock_t *lock); + struct clk *tegra_clk_register_pllm(const char *name, const char *parent_name, void __iomem *clk_base, void __iomem *pmc, unsigned long flags, @@ -327,11 +392,35 @@ struct clk *tegra_clk_register_plle_tegra114(const char *name, struct tegra_clk_pll_params *pll_params, spinlock_t *lock); +struct clk *tegra_clk_register_plle_tegra210(const char *name, + const char *parent_name, + void __iomem *clk_base, unsigned long flags, + struct tegra_clk_pll_params *pll_params, + spinlock_t *lock); + +struct clk *tegra_clk_register_pllc_tegra210(const char *name, + const char *parent_name, void __iomem *clk_base, + void __iomem *pmc, unsigned long flags, + struct tegra_clk_pll_params *pll_params, + spinlock_t *lock); + +struct clk *tegra_clk_register_pllss_tegra210(const char *name, + const char *parent_name, void __iomem *clk_base, + unsigned long flags, + struct tegra_clk_pll_params *pll_params, + spinlock_t *lock); + struct clk *tegra_clk_register_pllss(const char *name, const char *parent_name, void __iomem *clk_base, unsigned long flags, struct tegra_clk_pll_params *pll_params, spinlock_t *lock); +struct clk *tegra_clk_register_pllmb(const char *name, const char *parent_name, + void __iomem *clk_base, void __iomem *pmc, + unsigned long flags, + struct tegra_clk_pll_params *pll_params, + spinlock_t *lock); + /** * struct tegra_clk_pll_out - PLL divider down clock * @@ -653,6 +742,9 @@ int tegra_osc_clk_init(void __iomem *clk_base, struct tegra_clk *clks, void tegra_super_clk_gen4_init(void __iomem *clk_base, void __iomem *pmc_base, struct tegra_clk *tegra_clks, struct tegra_clk_pll_params *pll_params); +void tegra_super_clk_gen5_init(void __iomem *clk_base, + void __iomem *pmc_base, struct tegra_clk *tegra_clks, + struct tegra_clk_pll_params *pll_params); #ifdef CONFIG_TEGRA_CLK_EMC struct clk *tegra_clk_register_emc(void __iomem *base, struct device_node *np, @@ -674,5 +766,8 @@ void tegra114_clock_deassert_dfll_dvco_reset(void); typedef void (*tegra_clk_apply_init_table_func)(void); extern tegra_clk_apply_init_table_func tegra_clk_apply_init_table; +int tegra_pll_wait_for_lock(struct tegra_clk_pll *pll); +u16 tegra_pll_get_fixed_mdiv(struct clk_hw *hw, unsigned long input_rate); +int tegra_pll_p_div_to_hw(struct tegra_clk_pll *pll, u8 p_div); #endif /* TEGRA_CLK_H */ |