Linux-libre 4.5-gnu

1 files changed, 98 insertions, 3 deletions

diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
index 5d2678914..4dbcfaec5 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 */