linux/drivers/clk/pistachio/clk.h
Thomas Gleixner 75a6faf617 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 422
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 101 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190531190113.822954939@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:37:15 +02:00

172 lines
3.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2014 Google, Inc.
*/
#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_pll_rate_table {
unsigned long long fref;
unsigned long long fout;
unsigned long long refdiv;
unsigned long long fbdiv;
unsigned long long postdiv1;
unsigned long long postdiv2;
unsigned long long frac;
};
enum pistachio_pll_type {
PLL_GF40LP_LAINT,
PLL_GF40LP_FRAC,
};
struct pistachio_pll {
unsigned int id;
unsigned long reg_base;
enum pistachio_pll_type type;
struct pistachio_pll_rate_table *rates;
unsigned int nr_rates;
const char *name;
const char *parent;
};
#define PLL(_id, _name, _pname, _type, _reg, _rates) \
{ \
.id = _id, \
.reg_base = _reg, \
.type = _type, \
.rates = _rates, \
.nr_rates = ARRAY_SIZE(_rates), \
.name = _name, \
.parent = _pname, \
}
#define PLL_FIXED(_id, _name, _pname, _type, _reg) \
{ \
.id = _id, \
.reg_base = _reg, \
.type = _type, \
.rates = NULL, \
.nr_rates = 0, \
.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_register_pll(struct pistachio_clk_provider *p,
struct pistachio_pll *pll,
unsigned int num);
extern void pistachio_clk_force_enable(struct pistachio_clk_provider *p,
unsigned int *clk_ids, unsigned int num);
#endif