89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 BayLibre, SAS.
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* Author: Jerome Brunet <[email protected]>
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*/
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#ifndef __MESON_CLK_PLL_H
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#define __MESON_CLK_PLL_H
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#include <linux/clk-provider.h>
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#include <linux/regmap.h>
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#include "parm.h"
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struct pll_params_table {
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unsigned int m;
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unsigned int n;
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unsigned int od;
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/* FIXME: Only C1 can be used for these two members, is it necessary? */
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const struct reg_sequence *regs;
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unsigned int regs_count;
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};
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struct pll_mult_range {
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unsigned int min;
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unsigned int max;
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};
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#define PLL_PARAMS(_m, _n) \
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{ \
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.m = (_m), \
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.n = (_n), \
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}
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#define PLL_PARAMS_OD(_m, _n, _od) \
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{ \
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.m = (_m), \
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.n = (_n), \
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.od = (_od), \
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}
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#define CLK_MESON_PLL_ROUND_CLOSEST BIT(0)
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#define CLK_MESON_PLL_NOINIT_ENABLED BIT(1)
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#define CLK_MESON_PLL_FIXED_FRAC_WEIGHT_PRECISION BIT(2)
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#define CLK_MESON_PLL_POWER_OF_TWO BIT(3)
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#define CLK_MESON_PLL_FIXED_N BIT(4)
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#define CLK_MESON_PLL_FIXED_EN0P5 BIT(5)
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#define CLK_MESON_PLL_READ_ONLY BIT(6)
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#define CLK_MESON_PLL_RSTN BIT(7)
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#define CLK_MESON_PLL_L_RSTN BIT(8)
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struct meson_clk_pll_data {
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struct parm en;
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struct parm m;
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struct parm n;
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struct parm frac;
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struct parm l;
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struct parm rst;
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struct parm current_en;
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struct parm l_detect;
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struct parm l_rst;
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struct parm th; /* threshold */
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struct parm fl; /* force lock */
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struct parm od;
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/*for pcie*/
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struct parm pcie_hcsl;
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struct parm pcie_exen;
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const struct reg_sequence *init_regs;
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unsigned int init_count;
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const struct pll_params_table *table;
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const struct pll_mult_range *range;
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unsigned int od_max;
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unsigned int smc_id;
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u8 secid_disable;
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u8 secid;
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u16 flags;
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unsigned long saved_rate;
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int saved_is_enabled;
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struct reg_sequence *save_regs;
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unsigned int save_reg_count;
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};
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extern const struct clk_ops meson_clk_pll_ro_ops;
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extern const struct clk_ops meson_clk_pll_ops;
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extern const struct clk_ops meson_clk_pcie_pll_ops;
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extern const struct clk_ops meson_secure_pll_v2_ops;
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extern const struct clk_ops meson_clk_pll_v3_ops;
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#endif /* __MESON_CLK_PLL_H */
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