| /* |
| * Copyright (C) 2014 Google, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| */ |
| |
| #ifndef __PISTACHIO_CLK_H |
| #define __PISTACHIO_CLK_H |
| |
| #include <linux/clk-provider.h> |
| |
| struct pistachio_gate { |
| unsigned int id; |
| unsigned long reg; |
| unsigned int shift; |
| const char *name; |
| const char *parent; |
| }; |
| |
| #define GATE(_id, _name, _pname, _reg, _shift) \ |
| { \ |
| .id = _id, \ |
| .reg = _reg, \ |
| .shift = _shift, \ |
| .name = _name, \ |
| .parent = _pname, \ |
| } |
| |
| struct pistachio_mux { |
| unsigned int id; |
| unsigned long reg; |
| unsigned int shift; |
| unsigned int num_parents; |
| const char *name; |
| const char **parents; |
| }; |
| |
| #define PNAME(x) static const char *x[] __initconst |
| |
| #define MUX(_id, _name, _pnames, _reg, _shift) \ |
| { \ |
| .id = _id, \ |
| .reg = _reg, \ |
| .shift = _shift, \ |
| .name = _name, \ |
| .parents = _pnames, \ |
| .num_parents = ARRAY_SIZE(_pnames) \ |
| } |
| |
| |
| struct pistachio_div { |
| unsigned int id; |
| unsigned long reg; |
| unsigned int width; |
| unsigned int div_flags; |
| const char *name; |
| const char *parent; |
| }; |
| |
| #define DIV(_id, _name, _pname, _reg, _width) \ |
| { \ |
| .id = _id, \ |
| .reg = _reg, \ |
| .width = _width, \ |
| .div_flags = 0, \ |
| .name = _name, \ |
| .parent = _pname, \ |
| } |
| |
| #define DIV_F(_id, _name, _pname, _reg, _width, _div_flags) \ |
| { \ |
| .id = _id, \ |
| .reg = _reg, \ |
| .width = _width, \ |
| .div_flags = _div_flags, \ |
| .name = _name, \ |
| .parent = _pname, \ |
| } |
| |
| struct pistachio_fixed_factor { |
| unsigned int id; |
| unsigned int div; |
| const char *name; |
| const char *parent; |
| }; |
| |
| #define FIXED_FACTOR(_id, _name, _pname, _div) \ |
| { \ |
| .id = _id, \ |
| .div = _div, \ |
| .name = _name, \ |
| .parent = _pname, \ |
| } |
| |
| struct pistachio_clk_provider { |
| struct device_node *node; |
| void __iomem *base; |
| struct clk_onecell_data clk_data; |
| }; |
| |
| extern struct pistachio_clk_provider * |
| pistachio_clk_alloc_provider(struct device_node *node, unsigned int num_clks); |
| extern void pistachio_clk_register_provider(struct pistachio_clk_provider *p); |
| |
| extern void pistachio_clk_register_gate(struct pistachio_clk_provider *p, |
| struct pistachio_gate *gate, |
| unsigned int num); |
| extern void pistachio_clk_register_mux(struct pistachio_clk_provider *p, |
| struct pistachio_mux *mux, |
| unsigned int num); |
| extern void pistachio_clk_register_div(struct pistachio_clk_provider *p, |
| struct pistachio_div *div, |
| unsigned int num); |
| extern void |
| pistachio_clk_register_fixed_factor(struct pistachio_clk_provider *p, |
| struct pistachio_fixed_factor *ff, |
| unsigned int num); |
| |
| extern void pistachio_clk_force_enable(struct pistachio_clk_provider *p, |
| unsigned int *clk_ids, unsigned int num); |
| |
| #endif |