| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Prashant Gaikwad | 943 | 32.33% | 1 | 1.28% |
| Peter 'p2' De Schrijver | 775 | 26.57% | 30 | 38.46% |
| Rhyland Klein | 387 | 13.27% | 10 | 12.82% |
| Sowjanya Komatineni | 233 | 7.99% | 4 | 5.13% |
| Thierry Reding | 152 | 5.21% | 9 | 11.54% |
| Dmitry Osipenko | 128 | 4.39% | 7 | 8.97% |
| Andrew Bresticker | 102 | 3.50% | 1 | 1.28% |
| Bill Huang | 76 | 2.61% | 6 | 7.69% |
| Mikko Perttunen | 47 | 1.61% | 2 | 2.56% |
| Paul Walmsley | 30 | 1.03% | 2 | 2.56% |
| Stephen Warren | 19 | 0.65% | 2 | 2.56% |
| Joseph Lo | 16 | 0.55% | 1 | 1.28% |
| Jon Hunter | 4 | 0.14% | 1 | 1.28% |
| Aapo Vienamo | 3 | 0.10% | 1 | 1.28% |
| Thomas Gleixner | 2 | 0.07% | 1 | 1.28% |
| Total | 2917 | 78 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. */ #ifndef __TEGRA_CLK_H #define __TEGRA_CLK_H #include <linux/clk-provider.h> #include <linux/clkdev.h> #include <linux/delay.h> #define CLK_OUT_ENB_L 0x010 #define CLK_OUT_ENB_H 0x014 #define CLK_OUT_ENB_U 0x018 #define CLK_OUT_ENB_V 0x360 #define CLK_OUT_ENB_W 0x364 #define CLK_OUT_ENB_X 0x280 #define CLK_OUT_ENB_Y 0x298 #define CLK_ENB_PLLP_OUT_CPU BIT(31) #define CLK_OUT_ENB_SET_L 0x320 #define CLK_OUT_ENB_CLR_L 0x324 #define CLK_OUT_ENB_SET_H 0x328 #define CLK_OUT_ENB_CLR_H 0x32c #define CLK_OUT_ENB_SET_U 0x330 #define CLK_OUT_ENB_CLR_U 0x334 #define CLK_OUT_ENB_SET_V 0x440 #define CLK_OUT_ENB_CLR_V 0x444 #define CLK_OUT_ENB_SET_W 0x448 #define CLK_OUT_ENB_CLR_W 0x44c #define CLK_OUT_ENB_SET_X 0x284 #define CLK_OUT_ENB_CLR_X 0x288 #define CLK_OUT_ENB_SET_Y 0x29c #define CLK_OUT_ENB_CLR_Y 0x2a0 #define RST_DEVICES_L 0x004 #define RST_DEVICES_H 0x008 #define RST_DEVICES_U 0x00C #define RST_DEVICES_V 0x358 #define RST_DEVICES_W 0x35C #define RST_DEVICES_X 0x28C #define RST_DEVICES_Y 0x2a4 #define RST_DEVICES_SET_L 0x300 #define RST_DEVICES_CLR_L 0x304 #define RST_DEVICES_SET_H 0x308 #define RST_DEVICES_CLR_H 0x30c #define RST_DEVICES_SET_U 0x310 #define RST_DEVICES_CLR_U 0x314 #define RST_DEVICES_SET_V 0x430 #define RST_DEVICES_CLR_V 0x434 #define RST_DEVICES_SET_W 0x438 #define RST_DEVICES_CLR_W 0x43c #define RST_DEVICES_SET_X 0x290 #define RST_DEVICES_CLR_X 0x294 #define RST_DEVICES_SET_Y 0x2a8 #define RST_DEVICES_CLR_Y 0x2ac /* * Tegra CLK_OUT_ENB registers have some undefined bits which are not used and * any accidental write of 1 to these bits can cause PSLVERR. * So below are the valid mask defines for each CLK_OUT_ENB register used to * turn ON only the valid clocks. */ #define TEGRA210_CLK_ENB_VLD_MSK_L 0xdcd7dff9 #define TEGRA210_CLK_ENB_VLD_MSK_H 0x87d1f3e7 #define TEGRA210_CLK_ENB_VLD_MSK_U 0xf3fed3fa #define TEGRA210_CLK_ENB_VLD_MSK_V 0xffc18cfb #define TEGRA210_CLK_ENB_VLD_MSK_W 0x793fb7ff #define TEGRA210_CLK_ENB_VLD_MSK_X 0x3fe66fff #define TEGRA210_CLK_ENB_VLD_MSK_Y 0xfc1fc7ff /** * struct tegra_clk_sync_source - external clock source from codec * * @hw: handle between common and hardware-specific interfaces * @rate: input frequency from source * @max_rate: max rate allowed */ struct tegra_clk_sync_source { struct clk_hw hw; unsigned long rate; unsigned long max_rate; }; #define to_clk_sync_source(_hw) \ container_of(_hw, struct tegra_clk_sync_source, hw) extern const struct clk_ops tegra_clk_sync_source_ops; extern int *periph_clk_enb_refcnt; struct clk *tegra_clk_register_sync_source(const char *name, unsigned long max_rate); /** * struct tegra_clk_frac_div - fractional divider clock * * @hw: handle between common and hardware-specific interfaces * @reg: register containing divider * @flags: hardware-specific flags * @shift: shift to the divider bit field * @width: width of the divider bit field * @frac_width: width of the fractional bit field * @lock: register lock * * Flags: * TEGRA_DIVIDER_ROUND_UP - This flags indicates to round up the divider value. * TEGRA_DIVIDER_FIXED - Fixed rate PLL dividers has addition override bit, this * flag indicates that this divider is for fixed rate PLL. * TEGRA_DIVIDER_INT - Some modules can not cope with the duty cycle when * fraction bit is set. This flags indicates to calculate divider for which * fracton bit will be zero. * TEGRA_DIVIDER_UART - UART module divider has additional enable bit which is * set when divider value is not 0. This flags indicates that the divider * is for UART module. */ struct tegra_clk_frac_div { struct clk_hw hw; void __iomem *reg; u8 flags; u8 shift; u8 width; u8 frac_width; spinlock_t *lock; }; #define to_clk_frac_div(_hw) container_of(_hw, struct tegra_clk_frac_div, hw) #define TEGRA_DIVIDER_ROUND_UP BIT(0) #define TEGRA_DIVIDER_FIXED BIT(1) #define TEGRA_DIVIDER_INT BIT(2) #define TEGRA_DIVIDER_UART BIT(3) extern const struct clk_ops tegra_clk_frac_div_ops; struct clk *tegra_clk_register_divider(const char *name, const char *parent_name, void __iomem *reg, unsigned long flags, u8 clk_divider_flags, u8 shift, u8 width, u8 frac_width, spinlock_t *lock); struct clk *tegra_clk_register_mc(const char *name, const char *parent_name, void __iomem *reg, spinlock_t *lock); /* * Tegra PLL: * * In general, there are 3 requirements for each PLL * that SW needs to be comply with. * (1) Input frequency range (REF). * (2) Comparison frequency range (CF). CF = REF/DIVM. * (3) VCO frequency range (VCO). VCO = CF * DIVN. * * The final PLL output frequency (FO) = VCO >> DIVP. */ /** * struct tegra_clk_pll_freq_table - PLL frequecy table * * @input_rate: input rate from source * @output_rate: output rate from PLL for the input rate * @n: feedback divider * @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; u32 n; u32 m; u8 p; u8 cpcon; u16 sdm_data; }; /** * struct pdiv_map - map post divider to hw value * * @pdiv: post divider * @hw_val: value to be written to the PLL hw */ struct pdiv_map { u8 pdiv; u8 hw_val; }; /** * struct div_nmp - offset and width of m,n and p fields * * @divn_shift: shift to the feedback divider bit field * @divn_width: width of the feedback divider bit field * @divm_shift: shift to the input divider bit field * @divm_width: width of the input divider bit field * @divp_shift: shift to the post divider bit field * @divp_width: width of the post divider bit field * @override_divn_shift: shift to the feedback divider bitfield in override reg * @override_divm_shift: shift to the input divider bitfield in override reg * @override_divp_shift: shift to the post divider bitfield in override reg */ struct div_nmp { u8 divn_shift; u8 divn_width; u8 divm_shift; u8 divm_width; u8 divp_shift; u8 divp_width; u8 override_divn_shift; u8 override_divm_shift; u8 override_divp_shift; }; #define MAX_PLL_MISC_REG_COUNT 6 struct tegra_clk_pll; /** * struct tegra_clk_pll_params - PLL parameters * * @input_min: Minimum input frequency * @input_max: Maximum input frequency * @cf_min: Minimum comparison frequency * @cf_max: Maximum comparison frequency * @vco_min: Minimum VCO frequency * @vco_max: Maximum VCO frequency * @base_reg: PLL base reg offset * @misc_reg: PLL misc reg offset * @lock_reg: PLL lock reg offset * @lock_mask: Bitmask for PLL lock status * @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 * @pmc_divnm_reg: n, m divider PMC override register offset (PLLM) * @pmc_divp_reg: p divider PMC override register offset (PLLM) * @flags: PLL flags * @stepa_shift: Dynamic ramp step A field shift * @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. * @pre_rate_change: Callback which is invoked just before changing * PLL's rate. * @post_rate_change: Callback which is invoked right after changing * PLL's rate. * * Flags: * TEGRA_PLL_USE_LOCK - This flag indicated to use lock bits for * PLL locking. If not set it will use lock_delay value to wait. * TEGRA_PLL_HAS_CPCON - This flag indicates that CPCON value needs * to be programmed to change output frequency of the PLL. * TEGRA_PLL_SET_LFCON - This flag indicates that LFCON value needs * to be programmed to change output frequency of the PLL. * TEGRA_PLL_SET_DCCON - This flag indicates that DCCON value needs * to be programmed to change output frequency of the PLL. * TEGRA_PLLU - PLLU has inverted post divider. This flags indicated * that it is PLLU and invert post divider value. * TEGRA_PLLM - PLLM has additional override settings in PMC. This * flag indicates that it is PLLM and use override settings. * TEGRA_PLL_FIXED - We are not supposed to change output frequency * of some plls. * TEGRA_PLLE_CONFIGURE - Configure PLLE when enabling. * TEGRA_PLL_LOCK_MISC - Lock bit is in the misc register instead of the * 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; unsigned long input_max; unsigned long cf_min; unsigned long cf_max; unsigned long vco_min; unsigned long vco_max; u32 base_reg; u32 misc_reg; u32 lock_reg; u32 lock_mask; 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[MAX_PLL_MISC_REG_COUNT]; u32 pmc_divnm_reg; u32 pmc_divp_reg; u32 flags; int stepa_shift; int stepb_shift; int lock_delay; int max_p; 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); int (*pre_rate_change)(void); void (*post_rate_change)(void); }; #define TEGRA_PLL_USE_LOCK BIT(0) #define TEGRA_PLL_HAS_CPCON BIT(1) #define TEGRA_PLL_SET_LFCON BIT(2) #define TEGRA_PLL_SET_DCCON BIT(3) #define TEGRA_PLLU BIT(4) #define TEGRA_PLLM BIT(5) #define TEGRA_PLL_FIXED BIT(6) #define TEGRA_PLLE_CONFIGURE BIT(7) #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 * * @hw: handle between common and hardware-specifix interfaces * @clk_base: address of CAR controller * @pmc: address of PMC, required to read override bits * @lock: register lock * @params: PLL parameters */ struct tegra_clk_pll { struct clk_hw hw; void __iomem *clk_base; void __iomem *pmc; spinlock_t *lock; struct tegra_clk_pll_params *params; }; #define to_clk_pll(_hw) container_of(_hw, struct tegra_clk_pll, hw) /** * struct tegra_audio_clk_info - Tegra Audio Clk Information * * @name: name for the audio pll * @pll_params: pll_params for audio pll * @clk_id: clk_ids for the audio pll * @parent: name of the parent of the audio pll */ struct tegra_audio_clk_info { char *name; struct tegra_clk_pll_params *pll_params; int clk_id; char *parent; }; extern const struct clk_ops tegra_clk_pll_ops; extern const struct clk_ops tegra_clk_plle_ops; struct clk *tegra_clk_register_pll(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_plle(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_pllxc(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, struct tegra_clk_pll_params *pll_params, spinlock_t *lock); struct clk *tegra_clk_register_pllc(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_pllre(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, unsigned long parent_rate); struct clk *tegra_clk_register_pllre_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, unsigned long parent_rate); struct clk *tegra_clk_register_plle_tegra114(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_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 clk *tegra_clk_register_pllu(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_pllu_tegra114(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_pllu_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 tegra_clk_pll_out - PLL divider down clock * * @hw: handle between common and hardware-specific interfaces * @reg: register containing the PLL divider * @enb_bit_idx: bit to enable/disable PLL divider * @rst_bit_idx: bit to reset PLL divider * @lock: register lock * @flags: hardware-specific flags */ struct tegra_clk_pll_out { struct clk_hw hw; void __iomem *reg; u8 enb_bit_idx; u8 rst_bit_idx; spinlock_t *lock; u8 flags; }; #define to_clk_pll_out(_hw) container_of(_hw, struct tegra_clk_pll_out, hw) extern const struct clk_ops tegra_clk_pll_out_ops; struct clk *tegra_clk_register_pll_out(const char *name, const char *parent_name, void __iomem *reg, u8 enb_bit_idx, u8 rst_bit_idx, unsigned long flags, u8 pll_div_flags, spinlock_t *lock); /** * struct tegra_clk_periph_regs - Registers controlling peripheral clock * * @enb_reg: read the enable status * @enb_set_reg: write 1 to enable clock * @enb_clr_reg: write 1 to disable clock * @rst_reg: read the reset status * @rst_set_reg: write 1 to assert the reset of peripheral * @rst_clr_reg: write 1 to deassert the reset of peripheral */ struct tegra_clk_periph_regs { u32 enb_reg; u32 enb_set_reg; u32 enb_clr_reg; u32 rst_reg; u32 rst_set_reg; u32 rst_clr_reg; }; /** * struct tegra_clk_periph_gate - peripheral gate clock * * @magic: magic number to validate type * @hw: handle between common and hardware-specific interfaces * @clk_base: address of CAR controller * @regs: Registers to control the peripheral * @flags: hardware-specific flags * @clk_num: Clock number * @enable_refcnt: array to maintain reference count of the clock * * Flags: * TEGRA_PERIPH_NO_RESET - This flag indicates that reset is not allowed * for this module. * TEGRA_PERIPH_ON_APB - If peripheral is in the APB bus then read the * bus to flush the write operation in apb bus. This flag indicates * that this peripheral is in apb bus. * TEGRA_PERIPH_WAR_1005168 - Apply workaround for Tegra114 MSENC bug */ struct tegra_clk_periph_gate { u32 magic; struct clk_hw hw; void __iomem *clk_base; u8 flags; int clk_num; int *enable_refcnt; const struct tegra_clk_periph_regs *regs; }; #define to_clk_periph_gate(_hw) \ container_of(_hw, struct tegra_clk_periph_gate, hw) #define TEGRA_CLK_PERIPH_GATE_MAGIC 0x17760309 #define TEGRA_PERIPH_NO_RESET BIT(0) #define TEGRA_PERIPH_ON_APB BIT(2) #define TEGRA_PERIPH_WAR_1005168 BIT(3) #define TEGRA_PERIPH_NO_DIV BIT(4) #define TEGRA_PERIPH_NO_GATE BIT(5) extern const struct clk_ops tegra_clk_periph_gate_ops; struct clk *tegra_clk_register_periph_gate(const char *name, const char *parent_name, u8 gate_flags, void __iomem *clk_base, unsigned long flags, int clk_num, int *enable_refcnt); struct tegra_clk_periph_fixed { struct clk_hw hw; void __iomem *base; const struct tegra_clk_periph_regs *regs; unsigned int mul; unsigned int div; unsigned int num; }; struct clk *tegra_clk_register_periph_fixed(const char *name, const char *parent, unsigned long flags, void __iomem *base, unsigned int mul, unsigned int div, unsigned int num); /** * struct clk-periph - peripheral clock * * @magic: magic number to validate type * @hw: handle between common and hardware-specific interfaces * @mux: mux clock * @divider: divider clock * @gate: gate clock * @mux_ops: mux clock ops * @div_ops: divider clock ops * @gate_ops: gate clock ops */ struct tegra_clk_periph { u32 magic; struct clk_hw hw; struct clk_mux mux; struct tegra_clk_frac_div divider; struct tegra_clk_periph_gate gate; const struct clk_ops *mux_ops; const struct clk_ops *div_ops; const struct clk_ops *gate_ops; }; #define to_clk_periph(_hw) container_of(_hw, struct tegra_clk_periph, hw) #define TEGRA_CLK_PERIPH_MAGIC 0x18221223 extern const struct clk_ops tegra_clk_periph_ops; struct clk *tegra_clk_register_periph(const char *name, const char * const *parent_names, int num_parents, struct tegra_clk_periph *periph, void __iomem *clk_base, u32 offset, unsigned long flags); struct clk *tegra_clk_register_periph_nodiv(const char *name, const char * const *parent_names, int num_parents, struct tegra_clk_periph *periph, void __iomem *clk_base, u32 offset); #define TEGRA_CLK_PERIPH(_mux_shift, _mux_mask, _mux_flags, \ _div_shift, _div_width, _div_frac_width, \ _div_flags, _clk_num,\ _gate_flags, _table, _lock) \ { \ .mux = { \ .flags = _mux_flags, \ .shift = _mux_shift, \ .mask = _mux_mask, \ .table = _table, \ .lock = _lock, \ }, \ .divider = { \ .flags = _div_flags, \ .shift = _div_shift, \ .width = _div_width, \ .frac_width = _div_frac_width, \ .lock = _lock, \ }, \ .gate = { \ .flags = _gate_flags, \ .clk_num = _clk_num, \ }, \ .mux_ops = &clk_mux_ops, \ .div_ops = &tegra_clk_frac_div_ops, \ .gate_ops = &tegra_clk_periph_gate_ops, \ } struct tegra_periph_init_data { const char *name; int clk_id; union { const char *const *parent_names; const char *parent_name; } p; int num_parents; struct tegra_clk_periph periph; u32 offset; const char *con_id; const char *dev_id; unsigned long flags; }; #define TEGRA_INIT_DATA_TABLE(_name, _con_id, _dev_id, _parent_names, _offset,\ _mux_shift, _mux_mask, _mux_flags, _div_shift, \ _div_width, _div_frac_width, _div_flags, \ _clk_num, _gate_flags, _clk_id, _table, \ _flags, _lock) \ { \ .name = _name, \ .clk_id = _clk_id, \ .p.parent_names = _parent_names, \ .num_parents = ARRAY_SIZE(_parent_names), \ .periph = TEGRA_CLK_PERIPH(_mux_shift, _mux_mask, \ _mux_flags, _div_shift, \ _div_width, _div_frac_width, \ _div_flags, _clk_num, \ _gate_flags, _table, _lock), \ .offset = _offset, \ .con_id = _con_id, \ .dev_id = _dev_id, \ .flags = _flags \ } #define TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parent_names, _offset,\ _mux_shift, _mux_width, _mux_flags, _div_shift, \ _div_width, _div_frac_width, _div_flags, \ _clk_num, _gate_flags, _clk_id) \ TEGRA_INIT_DATA_TABLE(_name, _con_id, _dev_id, _parent_names, _offset,\ _mux_shift, BIT(_mux_width) - 1, _mux_flags, \ _div_shift, _div_width, _div_frac_width, _div_flags, \ _clk_num, _gate_flags, _clk_id,\ NULL, 0, NULL) struct clk *tegra_clk_register_periph_data(void __iomem *clk_base, struct tegra_periph_init_data *init); /** * struct clk_super_mux - super clock * * @hw: handle between common and hardware-specific interfaces * @reg: register controlling multiplexer * @width: width of the multiplexer bit field * @flags: hardware-specific flags * @div2_index: bit controlling divide-by-2 * @pllx_index: PLLX index in the parent list * @lock: register lock * * Flags: * TEGRA_DIVIDER_2 - LP cluster has additional divider. This flag indicates * that this is LP cluster clock. * TEGRA210_CPU_CLK - This flag is used to identify CPU cluster for gen5 * super mux parent using PLLP branches. To use PLLP branches to CPU, need * to configure additional bit PLLP_OUT_CPU in the clock registers. * TEGRA20_SUPER_CLK - Tegra20 doesn't have a dedicated divider for Super * clocks, it only has a clock-skipper. */ struct tegra_clk_super_mux { struct clk_hw hw; void __iomem *reg; struct tegra_clk_frac_div frac_div; const struct clk_ops *div_ops; u8 width; u8 flags; u8 div2_index; u8 pllx_index; spinlock_t *lock; }; #define to_clk_super_mux(_hw) container_of(_hw, struct tegra_clk_super_mux, hw) #define TEGRA_DIVIDER_2 BIT(0) #define TEGRA210_CPU_CLK BIT(1) #define TEGRA20_SUPER_CLK BIT(2) extern const struct clk_ops tegra_clk_super_ops; struct clk *tegra_clk_register_super_mux(const char *name, const char **parent_names, u8 num_parents, unsigned long flags, void __iomem *reg, u8 clk_super_flags, u8 width, u8 pllx_index, u8 div2_index, spinlock_t *lock); struct clk *tegra_clk_register_super_clk(const char *name, const char * const *parent_names, u8 num_parents, unsigned long flags, void __iomem *reg, u8 clk_super_flags, spinlock_t *lock); struct clk *tegra_clk_register_super_cclk(const char *name, const char * const *parent_names, u8 num_parents, unsigned long flags, void __iomem *reg, u8 clk_super_flags, spinlock_t *lock); int tegra_cclk_pre_pllx_rate_change(void); void tegra_cclk_post_pllx_rate_change(void); /** * struct tegra_sdmmc_mux - switch divider with Low Jitter inputs for SDMMC * * @hw: handle between common and hardware-specific interfaces * @reg: register controlling mux and divider * @flags: hardware-specific flags * @lock: optional register lock * @gate: gate clock * @gate_ops: gate clock ops */ struct tegra_sdmmc_mux { struct clk_hw hw; void __iomem *reg; spinlock_t *lock; const struct clk_ops *gate_ops; struct tegra_clk_periph_gate gate; u8 div_flags; }; #define to_clk_sdmmc_mux(_hw) container_of(_hw, struct tegra_sdmmc_mux, hw) struct clk *tegra_clk_register_sdmmc_mux_div(const char *name, void __iomem *clk_base, u32 offset, u32 clk_num, u8 div_flags, unsigned long flags, void *lock); /** * struct clk_init_table - clock initialization table * @clk_id: clock id as mentioned in device tree bindings * @parent_id: parent clock id as mentioned in device tree bindings * @rate: rate to set * @state: enable/disable */ struct tegra_clk_init_table { unsigned int clk_id; unsigned int parent_id; unsigned long rate; int state; }; /** * struct clk_duplicate - duplicate clocks * @clk_id: clock id as mentioned in device tree bindings * @lookup: duplicate lookup entry for the clock */ struct tegra_clk_duplicate { int clk_id; struct clk_lookup lookup; }; #define TEGRA_CLK_DUPLICATE(_clk_id, _dev, _con) \ { \ .clk_id = _clk_id, \ .lookup = { \ .dev_id = _dev, \ .con_id = _con, \ }, \ } struct tegra_clk { int dt_id; bool present; }; struct tegra_devclk { int dt_id; char *dev_id; char *con_id; }; void tegra_init_special_resets(unsigned int num, int (*assert)(unsigned long), int (*deassert)(unsigned long)); void tegra_init_from_table(struct tegra_clk_init_table *tbl, struct clk *clks[], int clk_max); void tegra_init_dup_clks(struct tegra_clk_duplicate *dup_list, struct clk *clks[], int clk_max); const struct tegra_clk_periph_regs *get_reg_bank(int clkid); struct clk **tegra_clk_init(void __iomem *clk_base, int num, int periph_banks); struct clk **tegra_lookup_dt_id(int clk_id, struct tegra_clk *tegra_clk); void tegra_add_of_provider(struct device_node *np, void *clk_src_onecell_get); void tegra_register_devclks(struct tegra_devclk *dev_clks, int num); void tegra_audio_clk_init(void __iomem *clk_base, void __iomem *pmc_base, struct tegra_clk *tegra_clks, struct tegra_audio_clk_info *audio_info, unsigned int num_plls, unsigned long sync_max_rate); void tegra_periph_clk_init(void __iomem *clk_base, void __iomem *pmc_base, struct tegra_clk *tegra_clks, struct tegra_clk_pll_params *pll_params); void tegra_fixed_clk_init(struct tegra_clk *tegra_clks); int tegra_osc_clk_init(void __iomem *clk_base, struct tegra_clk *clks, unsigned long *input_freqs, unsigned int num, unsigned int clk_m_div, unsigned long *osc_freq, unsigned long *pll_ref_freq); 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_TEGRA124_CLK_EMC struct clk *tegra124_clk_register_emc(void __iomem *base, struct device_node *np, spinlock_t *lock); bool tegra124_clk_emc_driver_available(struct clk_hw *emc_hw); #else static inline struct clk * tegra124_clk_register_emc(void __iomem *base, struct device_node *np, spinlock_t *lock) { return NULL; } static inline bool tegra124_clk_emc_driver_available(struct clk_hw *emc_hw) { return false; } #endif void tegra114_clock_tune_cpu_trimmers_high(void); void tegra114_clock_tune_cpu_trimmers_low(void); void tegra114_clock_tune_cpu_trimmers_init(void); void tegra114_clock_assert_dfll_dvco_reset(void); 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); int div_frac_get(unsigned long rate, unsigned parent_rate, u8 width, u8 frac_width, u8 flags); void tegra_clk_osc_resume(void __iomem *clk_base); void tegra_clk_set_pllp_out_cpu(bool enable); void tegra_clk_periph_suspend(void); void tegra_clk_periph_resume(void); /* Combined read fence with delay */ #define fence_udelay(delay, reg) \ do { \ readl(reg); \ udelay(delay); \ } while (0) bool tegra20_clk_emc_driver_available(struct clk_hw *emc_hw); struct clk *tegra20_clk_register_emc(void __iomem *ioaddr, bool low_jitter); struct clk *tegra210_clk_register_emc(struct device_node *np, void __iomem *regs); #endif /* TEGRA_CLK_H */
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