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171 lines
3.8 KiB
171 lines
3.8 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright (C) 2014 Google, Inc. |
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*/ |
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#ifndef __PISTACHIO_CLK_H |
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#define __PISTACHIO_CLK_H |
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#include <linux/clk-provider.h> |
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struct pistachio_gate { |
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unsigned int id; |
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unsigned long reg; |
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unsigned int shift; |
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const char *name; |
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const char *parent; |
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}; |
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#define GATE(_id, _name, _pname, _reg, _shift) \ |
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{ \ |
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.id = _id, \ |
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.reg = _reg, \ |
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.shift = _shift, \ |
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.name = _name, \ |
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.parent = _pname, \ |
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} |
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struct pistachio_mux { |
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unsigned int id; |
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unsigned long reg; |
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unsigned int shift; |
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unsigned int num_parents; |
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const char *name; |
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const char **parents; |
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}; |
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#define PNAME(x) static const char *x[] __initconst |
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#define MUX(_id, _name, _pnames, _reg, _shift) \ |
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{ \ |
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.id = _id, \ |
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.reg = _reg, \ |
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.shift = _shift, \ |
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.name = _name, \ |
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.parents = _pnames, \ |
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.num_parents = ARRAY_SIZE(_pnames) \ |
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} |
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struct pistachio_div { |
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unsigned int id; |
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unsigned long reg; |
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unsigned int width; |
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unsigned int div_flags; |
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const char *name; |
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const char *parent; |
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}; |
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#define DIV(_id, _name, _pname, _reg, _width) \ |
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{ \ |
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.id = _id, \ |
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.reg = _reg, \ |
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.width = _width, \ |
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.div_flags = 0, \ |
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.name = _name, \ |
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.parent = _pname, \ |
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} |
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#define DIV_F(_id, _name, _pname, _reg, _width, _div_flags) \ |
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{ \ |
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.id = _id, \ |
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.reg = _reg, \ |
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.width = _width, \ |
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.div_flags = _div_flags, \ |
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.name = _name, \ |
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.parent = _pname, \ |
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} |
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struct pistachio_fixed_factor { |
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unsigned int id; |
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unsigned int div; |
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const char *name; |
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const char *parent; |
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}; |
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#define FIXED_FACTOR(_id, _name, _pname, _div) \ |
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{ \ |
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.id = _id, \ |
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.div = _div, \ |
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.name = _name, \ |
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.parent = _pname, \ |
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} |
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struct pistachio_pll_rate_table { |
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unsigned long long fref; |
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unsigned long long fout; |
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unsigned long long refdiv; |
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unsigned long long fbdiv; |
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unsigned long long postdiv1; |
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unsigned long long postdiv2; |
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unsigned long long frac; |
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}; |
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enum pistachio_pll_type { |
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PLL_GF40LP_LAINT, |
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PLL_GF40LP_FRAC, |
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}; |
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struct pistachio_pll { |
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unsigned int id; |
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unsigned long reg_base; |
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enum pistachio_pll_type type; |
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struct pistachio_pll_rate_table *rates; |
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unsigned int nr_rates; |
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const char *name; |
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const char *parent; |
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}; |
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#define PLL(_id, _name, _pname, _type, _reg, _rates) \ |
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{ \ |
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.id = _id, \ |
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.reg_base = _reg, \ |
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.type = _type, \ |
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.rates = _rates, \ |
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.nr_rates = ARRAY_SIZE(_rates), \ |
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.name = _name, \ |
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.parent = _pname, \ |
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} |
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#define PLL_FIXED(_id, _name, _pname, _type, _reg) \ |
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{ \ |
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.id = _id, \ |
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.reg_base = _reg, \ |
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.type = _type, \ |
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.rates = NULL, \ |
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.nr_rates = 0, \ |
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.name = _name, \ |
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.parent = _pname, \ |
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} |
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struct pistachio_clk_provider { |
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struct device_node *node; |
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void __iomem *base; |
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struct clk_onecell_data clk_data; |
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}; |
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extern struct pistachio_clk_provider * |
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pistachio_clk_alloc_provider(struct device_node *node, unsigned int num_clks); |
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extern void pistachio_clk_register_provider(struct pistachio_clk_provider *p); |
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extern void pistachio_clk_register_gate(struct pistachio_clk_provider *p, |
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struct pistachio_gate *gate, |
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unsigned int num); |
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extern void pistachio_clk_register_mux(struct pistachio_clk_provider *p, |
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struct pistachio_mux *mux, |
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unsigned int num); |
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extern void pistachio_clk_register_div(struct pistachio_clk_provider *p, |
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struct pistachio_div *div, |
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unsigned int num); |
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extern void |
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pistachio_clk_register_fixed_factor(struct pistachio_clk_provider *p, |
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struct pistachio_fixed_factor *ff, |
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unsigned int num); |
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extern void pistachio_clk_register_pll(struct pistachio_clk_provider *p, |
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struct pistachio_pll *pll, |
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unsigned int num); |
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extern void pistachio_clk_force_enable(struct pistachio_clk_provider *p, |
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unsigned int *clk_ids, unsigned int num); |
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#endif
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