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path: root/drivers/clk/tegra/clk.h
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Diffstat (limited to 'drivers/clk/tegra/clk.h')
-rw-r--r--drivers/clk/tegra/clk.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
index 72368e1ed46a..ae09a3139df2 100644
--- a/drivers/clk/tegra/clk.h
+++ b/drivers/clk/tegra/clk.h
@@ -194,8 +194,12 @@ struct div_nmp {
* @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.
*
* Flags:
* TEGRA_PLL_USE_LOCK - This flag indicated to use lock bits for
@@ -217,6 +221,8 @@ 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)
*/
struct tegra_clk_pll_params {
unsigned long input_min;
@@ -251,7 +257,12 @@ struct tegra_clk_pll_params {
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);
};
#define TEGRA_PLL_USE_LOCK BIT(0)
@@ -265,6 +276,7 @@ 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)
/**
* struct tegra_clk_pll - Tegra PLL clock
@@ -690,5 +702,6 @@ 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);
#endif /* TEGRA_CLK_H */