/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MACH_IMX_CLK_H #define __MACH_IMX_CLK_H #include #include #include extern spinlock_t imx_ccm_lock; extern bool mcore_booted; void imx_check_clocks(struct clk *clks[], unsigned int count); void imx_check_clk_hws(struct clk_hw *clks[], unsigned int count); #ifndef MODULE void imx_register_uart_clocks(void); #else static inline void imx_register_uart_clocks(void) { } #endif void imx_mmdc_mask_handshake(void __iomem *ccm_base, unsigned int chn); void imx_unregister_hw_clocks(struct clk_hw *hws[], unsigned int count); extern void imx_cscmr1_fixup(u32 *val); enum imx_pllv1_type { IMX_PLLV1_IMX1, IMX_PLLV1_IMX21, IMX_PLLV1_IMX25, IMX_PLLV1_IMX27, IMX_PLLV1_IMX31, IMX_PLLV1_IMX35, }; enum imx_sscg_pll_type { SCCG_PLL1, SCCG_PLL2, }; enum imx_pll14xx_type { PLL_1416X, PLL_1443X, }; enum imx_pllv4_type { IMX_PLLV4_IMX7ULP, IMX_PLLV4_IMX8ULP, IMX_PLLV4_IMX8ULP_1GHZ, }; enum imx_pfdv2_type { IMX_PFDV2_IMX7ULP, IMX_PFDV2_IMX8ULP, }; /* NOTE: Rate table should be kept sorted in descending order. */ struct imx_pll14xx_rate_table { unsigned int rate; unsigned int pdiv; unsigned int mdiv; unsigned int sdiv; unsigned int kdiv; }; struct imx_pll14xx_clk { enum imx_pll14xx_type type; const struct imx_pll14xx_rate_table *rate_table; int rate_count; int flags; }; extern struct imx_pll14xx_clk imx_1416x_pll; extern struct imx_pll14xx_clk imx_1443x_pll; extern struct imx_pll14xx_clk imx_1443x_dram_pll; #define CLK_FRACN_GPPLL_INTEGER BIT(0) #define CLK_FRACN_GPPLL_FRACN BIT(1) /* NOTE: Rate table should be kept sorted in descending order. */ struct imx_fracn_gppll_rate_table { unsigned int rate; unsigned int mfi; unsigned int mfn; unsigned int mfd; unsigned int rdiv; unsigned int odiv; }; struct imx_fracn_gppll_clk { const struct imx_fracn_gppll_rate_table *rate_table; int rate_count; int flags; }; struct clk_hw *imx_clk_fracn_gppll(const char *name, const char *parent_name, void __iomem *base, const struct imx_fracn_gppll_clk *pll_clk); struct clk_hw *imx_clk_fracn_gppll_integer(const char *name, const char *parent_name, void __iomem *base, const struct imx_fracn_gppll_clk *pll_clk); extern struct imx_fracn_gppll_clk imx_fracn_gppll; extern struct imx_fracn_gppll_clk imx_fracn_gppll_integer; #define imx_clk_cpu(name, parent_name, div, mux, pll, step) \ to_clk(imx_clk_hw_cpu(name, parent_name, div, mux, pll, step)) #define clk_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \ cgr_val, cgr_mask, clk_gate_flags, lock, share_count) \ to_clk(clk_hw_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \ cgr_val, cgr_mask, clk_gate_flags, lock, share_count)) #define imx_clk_pllv3(type, name, parent_name, base, div_mask) \ to_clk(imx_clk_hw_pllv3(type, name, parent_name, base, div_mask)) #define imx_clk_pfd(name, parent_name, reg, idx) \ to_clk(imx_clk_hw_pfd(name, parent_name, reg, idx)) #define imx_clk_gate_exclusive(name, parent, reg, shift, exclusive_mask) \ to_clk(imx_clk_hw_gate_exclusive(name, parent, reg, shift, exclusive_mask)) #define imx_clk_fixed(name, rate) \ to_clk(imx_clk_hw_fixed(name, rate)) #define imx_clk_fixed_factor(name, parent, mult, div) \ to_clk(imx_clk_hw_fixed_factor(name, parent, mult, div)) #define imx_clk_divider(name, parent, reg, shift, width) \ to_clk(imx_clk_hw_divider(name, parent, reg, shift, width)) #define imx_clk_divider_flags(name, parent, reg, shift, width, flags) \ to_clk(imx_clk_hw_divider_flags(name, parent, reg, shift, width, flags)) #define imx_clk_gate(name, parent, reg, shift) \ to_clk(imx_clk_hw_gate(name, parent, reg, shift)) #define imx_clk_gate_dis(name, parent, reg, shift) \ to_clk(imx_clk_hw_gate_dis(name, parent, reg, shift)) #define imx_clk_gate2(name, parent, reg, shift) \ to_clk(imx_clk_hw_gate2(name, parent, reg, shift)) #define imx_clk_gate2_cgr(name, parent, reg, shift, cgr_val) \ to_clk(__imx_clk_hw_gate2(name, parent, reg, shift, cgr_val, 0, NULL)) #define imx_clk_gate2_flags(name, parent, reg, shift, flags) \ to_clk(imx_clk_hw_gate2_flags(name, parent, reg, shift, flags)) #define imx_clk_mux(name, reg, shift, width, parents, num_parents) \ to_clk(imx_clk_hw_mux(name, reg, shift, width, parents, num_parents)) #define imx_clk_mux_flags(name, reg, shift, width, parents, num_parents, flags) \ to_clk(imx_clk_hw_mux_flags(name, reg, shift, width, parents, num_parents, flags)) #define imx_clk_mux2_flags(name, reg, shift, width, parents, num_parents, flags) \ to_clk(imx_clk_hw_mux2_flags(name, reg, shift, width, parents, num_parents, flags)) #define imx_clk_pllv1(type, name, parent, base) \ to_clk(imx_clk_hw_pllv1(type, name, parent, base)) #define imx_clk_pllv2(name, parent, base) \ to_clk(imx_clk_hw_pllv2(name, parent, base)) #define imx_clk_hw_gate(name, parent, reg, shift) \ imx_clk_hw_gate_flags(name, parent, reg, shift, 0) #define imx_clk_hw_gate2(name, parent, reg, shift) \ imx_clk_hw_gate2_flags(name, parent, reg, shift, 0) #define imx_clk_hw_gate_dis(name, parent, reg, shift) \ imx_clk_hw_gate_dis_flags(name, parent, reg, shift, 0) #define imx_clk_hw_gate_dis_flags(name, parent, reg, shift, flags) \ __imx_clk_hw_gate(name, parent, reg, shift, flags, CLK_GATE_SET_TO_DISABLE) #define imx_clk_hw_gate_flags(name, parent, reg, shift, flags) \ __imx_clk_hw_gate(name, parent, reg, shift, flags, 0) #define imx_clk_hw_gate2_flags(name, parent, reg, shift, flags) \ __imx_clk_hw_gate2(name, parent, reg, shift, 0x3, flags, NULL) #define imx_clk_hw_gate2_shared(name, parent, reg, shift, shared_count) \ __imx_clk_hw_gate2(name, parent, reg, shift, 0x3, 0, shared_count) #define imx_clk_hw_gate2_shared2(name, parent, reg, shift, shared_count) \ __imx_clk_hw_gate2(name, parent, reg, shift, 0x3, CLK_OPS_PARENT_ENABLE, shared_count) #define imx_clk_hw_gate3(name, parent, reg, shift) \ imx_clk_hw_gate3_flags(name, parent, reg, shift, 0) #define imx_clk_hw_gate3_flags(name, parent, reg, shift, flags) \ __imx_clk_hw_gate(name, parent, reg, shift, flags | CLK_OPS_PARENT_ENABLE, 0) #define imx_clk_hw_gate4(name, parent, reg, shift) \ imx_clk_hw_gate4_flags(name, parent, reg, shift, 0) #define imx_clk_hw_gate4_flags(name, parent, reg, shift, flags) \ imx_clk_hw_gate2_flags(name, parent, reg, shift, flags | CLK_OPS_PARENT_ENABLE) #define imx_clk_hw_mux2(name, reg, shift, width, parents, num_parents) \ imx_clk_hw_mux2_flags(name, reg, shift, width, parents, num_parents, 0) #define imx_clk_hw_mux(name, reg, shift, width, parents, num_parents) \ __imx_clk_hw_mux(name, reg, shift, width, parents, num_parents, 0, 0) #define imx_clk_hw_mux_flags(name, reg, shift, width, parents, num_parents, flags) \ __imx_clk_hw_mux(name, reg, shift, width, parents, num_parents, flags, 0) #define imx_clk_hw_mux_ldb(name, reg, shift, width, parents, num_parents) \ __imx_clk_hw_mux(name, reg, shift, width, parents, num_parents, CLK_SET_RATE_PARENT, CLK_MUX_READ_ONLY) #define imx_clk_hw_mux2_flags(name, reg, shift, width, parents, num_parents, flags) \ __imx_clk_hw_mux(name, reg, shift, width, parents, num_parents, flags | CLK_OPS_PARENT_ENABLE, 0) #define imx_clk_hw_divider(name, parent, reg, shift, width) \ __imx_clk_hw_divider(name, parent, reg, shift, width, CLK_SET_RATE_PARENT) #define imx_clk_hw_divider2(name, parent, reg, shift, width) \ __imx_clk_hw_divider(name, parent, reg, shift, width, \ CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE) #define imx_clk_hw_divider_flags(name, parent, reg, shift, width, flags) \ __imx_clk_hw_divider(name, parent, reg, shift, width, flags) #define imx_clk_hw_pll14xx(name, parent_name, base, pll_clk) \ imx_dev_clk_hw_pll14xx(NULL, name, parent_name, base, pll_clk) struct clk_hw *imx_dev_clk_hw_pll14xx(struct device *dev, const char *name, const char *parent_name, void __iomem *base, const struct imx_pll14xx_clk *pll_clk); struct clk_hw *imx_clk_hw_pllv1(enum imx_pllv1_type type, const char *name, const char *parent, void __iomem *base); struct clk_hw *imx_clk_hw_pllv2(const char *name, const char *parent, void __iomem *base); struct clk_hw *imx_clk_hw_frac_pll(const char *name, const char *parent_name, void __iomem *base); struct clk_hw *imx_clk_hw_sscg_pll(const char *name, const char * const *parent_names, u8 num_parents, u8 parent, u8 bypass1, u8 bypass2, void __iomem *base, unsigned long flags); enum imx_pllv3_type { IMX_PLLV3_GENERIC, IMX_PLLV3_SYS, IMX_PLLV3_USB, IMX_PLLV3_USB_VF610, IMX_PLLV3_AV, IMX_PLLV3_ENET, IMX_PLLV3_ENET_IMX7, IMX_PLLV3_SYS_VF610, IMX_PLLV3_DDR_IMX7, IMX_PLLV3_AV_IMX7, }; struct clk_hw *imx_clk_hw_pllv3(enum imx_pllv3_type type, const char *name, const char *parent_name, void __iomem *base, u32 div_mask); #define PLL_1416X_RATE(_rate, _m, _p, _s) \ { \ .rate = (_rate), \ .mdiv = (_m), \ .pdiv = (_p), \ .sdiv = (_s), \ } #define PLL_1443X_RATE(_rate, _m, _p, _s, _k) \ { \ .rate = (_rate), \ .mdiv = (_m), \ .pdiv = (_p), \ .sdiv = (_s), \ .kdiv = (_k), \ } struct clk_hw *imx_clk_hw_pllv4(enum imx_pllv4_type type, const char *name, const char *parent_name, void __iomem *base); struct clk_hw *clk_hw_register_gate2(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 bit_idx, u8 cgr_val, u8 cgr_mask, u8 clk_gate_flags, spinlock_t *lock, unsigned int *share_count); struct clk * imx_obtain_fixed_clock( const char *name, unsigned long rate); struct clk_hw *imx_obtain_fixed_clock_hw( const char *name, unsigned long rate); struct clk_hw *imx_obtain_fixed_of_clock(struct device_node *np, const char *name, unsigned long rate); struct clk_hw *imx_get_clk_hw_by_name(struct device_node *np, const char *name); struct clk_hw *imx_clk_hw_gate_exclusive(const char *name, const char *parent, void __iomem *reg, u8 shift, u32 exclusive_mask); struct clk_hw *imx_clk_hw_pfd(const char *name, const char *parent_name, void __iomem *reg, u8 idx); struct clk_hw *imx_clk_hw_pfdv2(enum imx_pfdv2_type type, const char *name, const char *parent_name, void __iomem *reg, u8 idx); struct clk_hw *imx_clk_hw_busy_divider(const char *name, const char *parent_name, void __iomem *reg, u8 shift, u8 width, void __iomem *busy_reg, u8 busy_shift); struct clk_hw *imx_clk_hw_busy_mux(const char *name, void __iomem *reg, u8 shift, u8 width, void __iomem *busy_reg, u8 busy_shift, const char * const *parent_names, int num_parents); struct clk_hw *imx7ulp_clk_hw_composite(const char *name, const char * const *parent_names, int num_parents, bool mux_present, bool rate_present, bool gate_present, void __iomem *reg); struct clk_hw *imx8ulp_clk_hw_composite(const char *name, const char * const *parent_names, int num_parents, bool mux_present, bool rate_present, bool gate_present, void __iomem *reg, bool has_swrst); struct clk_hw *imx_clk_hw_fixup_divider(const char *name, const char *parent, void __iomem *reg, u8 shift, u8 width, void (*fixup)(u32 *val)); struct clk_hw *imx_clk_hw_fixup_mux(const char *name, void __iomem *reg, u8 shift, u8 width, const char * const *parents, int num_parents, void (*fixup)(u32 *val)); static inline struct clk *to_clk(struct clk_hw *hw) { if (IS_ERR_OR_NULL(hw)) return ERR_CAST(hw); return hw->clk; } static inline struct clk_hw *imx_clk_hw_fixed(const char *name, int rate) { return clk_hw_register_fixed_rate(NULL, name, NULL, 0, rate); } static inline struct clk_hw *imx_clk_hw_fixed_factor(const char *name, const char *parent, unsigned int mult, unsigned int div) { return clk_hw_register_fixed_factor(NULL, name, parent, CLK_SET_RATE_PARENT, mult, div); } static inline struct clk_hw *imx_clk_hw_divider_closest(const char *name, const char *parent, void __iomem *reg, u8 shift, u8 width) { return clk_hw_register_divider(NULL, name, parent, 0, reg, shift, width, CLK_DIVIDER_ROUND_CLOSEST, &imx_ccm_lock); } static inline struct clk_hw *__imx_clk_hw_divider(const char *name, const char *parent, void __iomem *reg, u8 shift, u8 width, unsigned long flags) { return clk_hw_register_divider(NULL, name, parent, flags, reg, shift, width, 0, &imx_ccm_lock); } static inline struct clk_hw *__imx_clk_hw_gate(const char *name, const char *parent, void __iomem *reg, u8 shift, unsigned long flags, unsigned long clk_gate_flags) { return clk_hw_register_gate(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg, shift, clk_gate_flags, &imx_ccm_lock); } static inline struct clk_hw *__imx_clk_hw_gate2(const char *name, const char *parent, void __iomem *reg, u8 shift, u8 cgr_val, unsigned long flags, unsigned int *share_count) { return clk_hw_register_gate2(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg, shift, cgr_val, 0x3, 0, &imx_ccm_lock, share_count); } static inline struct clk_hw *__imx_clk_hw_mux(const char *name, void __iomem *reg, u8 shift, u8 width, const char * const *parents, int num_parents, unsigned long flags, unsigned long clk_mux_flags) { return clk_hw_register_mux(NULL, name, parents, num_parents, flags | CLK_SET_RATE_NO_REPARENT, reg, shift, width, clk_mux_flags, &imx_ccm_lock); } struct clk_hw *imx_clk_hw_cpu(const char *name, const char *parent_name, struct clk *div, struct clk *mux, struct clk *pll, struct clk *step); #define IMX_COMPOSITE_CORE BIT(0) #define IMX_COMPOSITE_BUS BIT(1) #define IMX_COMPOSITE_FW_MANAGED BIT(2) #define IMX_COMPOSITE_CLK_FLAGS_DEFAULT \ (CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE) #define IMX_COMPOSITE_CLK_FLAGS_CRITICAL \ (IMX_COMPOSITE_CLK_FLAGS_DEFAULT | CLK_IS_CRITICAL) #define IMX_COMPOSITE_CLK_FLAGS_GET_RATE_NO_CACHE \ (IMX_COMPOSITE_CLK_FLAGS_DEFAULT | CLK_GET_RATE_NOCACHE) #define IMX_COMPOSITE_CLK_FLAGS_CRITICAL_GET_RATE_NO_CACHE \ (IMX_COMPOSITE_CLK_FLAGS_GET_RATE_NO_CACHE | CLK_IS_CRITICAL) struct clk_hw *__imx8m_clk_hw_composite(const char *name, const char * const *parent_names, int num_parents, void __iomem *reg, u32 composite_flags, unsigned long flags); #define _imx8m_clk_hw_composite(name, parent_names, reg, composite_flags, flags) \ __imx8m_clk_hw_composite(name, parent_names, \ ARRAY_SIZE(parent_names), reg, composite_flags, flags) #define imx8m_clk_hw_composite(name, parent_names, reg) \ _imx8m_clk_hw_composite(name, parent_names, reg, \ 0, IMX_COMPOSITE_CLK_FLAGS_DEFAULT) #define imx8m_clk_hw_composite_flags(name, parent_names, reg, flags) \ _imx8m_clk_hw_composite(name, parent_names, reg, \ 0, IMX_COMPOSITE_CLK_FLAGS_DEFAULT | flags) #define imx8m_clk_hw_composite_critical(name, parent_names, reg) \ _imx8m_clk_hw_composite(name, parent_names, reg, \ 0, IMX_COMPOSITE_CLK_FLAGS_CRITICAL) #define imx8m_clk_hw_composite_bus(name, parent_names, reg) \ _imx8m_clk_hw_composite(name, parent_names, reg, \ IMX_COMPOSITE_BUS, IMX_COMPOSITE_CLK_FLAGS_DEFAULT) #define imx8m_clk_hw_composite_bus_flags(name, parent_names, reg, flags) \ _imx8m_clk_hw_composite(name, parent_names, reg, \ IMX_COMPOSITE_BUS, IMX_COMPOSITE_CLK_FLAGS_DEFAULT | flags) #define imx8m_clk_hw_composite_bus_critical(name, parent_names, reg) \ _imx8m_clk_hw_composite(name, parent_names, reg, \ IMX_COMPOSITE_BUS, IMX_COMPOSITE_CLK_FLAGS_CRITICAL) #define imx8m_clk_hw_composite_core(name, parent_names, reg) \ _imx8m_clk_hw_composite(name, parent_names, reg, \ IMX_COMPOSITE_CORE, IMX_COMPOSITE_CLK_FLAGS_DEFAULT) #define imx8m_clk_hw_fw_managed_composite(name, parent_names, reg) \ _imx8m_clk_hw_composite(name, parent_names, reg, \ IMX_COMPOSITE_FW_MANAGED, \ IMX_COMPOSITE_CLK_FLAGS_GET_RATE_NO_CACHE) #define imx8m_clk_hw_fw_managed_composite_critical(name, parent_names, reg) \ _imx8m_clk_hw_composite(name, parent_names, reg, \ IMX_COMPOSITE_FW_MANAGED, \ IMX_COMPOSITE_CLK_FLAGS_CRITICAL_GET_RATE_NO_CACHE) struct clk_hw *imx93_clk_composite_flags(const char *name, const char * const *parent_names, int num_parents, void __iomem *reg, u32 domain_id, unsigned long flags); #define imx93_clk_composite(name, parent_names, num_parents, reg, domain_id) \ imx93_clk_composite_flags(name, parent_names, num_parents, reg, domain_id \ CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE) struct clk_hw *imx93_clk_gate(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u32 bit_idx, u32 val, u32 mask, u32 domain_id, unsigned int *share_count); struct clk_hw *imx_clk_hw_divider_gate(const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 shift, u8 width, u8 clk_divider_flags, const struct clk_div_table *table, spinlock_t *lock); struct clk_hw *imx_clk_gpr_mux(const char *name, const char *compatible, u32 reg, const char **parent_names, u8 num_parents, const u32 *mux_table, u32 mask); #endif