mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 09:19:51 +00:00
b4cbe606dc
Add support for common interface of the common clock and reset driver for Toshiba Visconti5 and its SoC, TMPV7708. The PIPLLCT provides the PLL, and the PISMU provides clock and reset functionality. Each drivers are provided in this patch. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Link: https://lore.kernel.org/r/20211025031038.4180686-4-nobuhiro1.iwamatsu@toshiba.co.jp [sboyd@kernel.org: Add bitfield.h include to pll.c] Signed-off-by: Stephen Boyd <sboyd@kernel.org>
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (c) 2021 TOSHIBA CORPORATION
|
|
* Copyright (c) 2021 Toshiba Electronic Devices & Storage Corporation
|
|
*
|
|
* Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
|
|
*/
|
|
|
|
#ifndef _VISCONTI_PLL_H_
|
|
#define _VISCONTI_PLL_H_
|
|
|
|
#include <linux/clk-provider.h>
|
|
#include <linux/regmap.h>
|
|
#include <linux/spinlock.h>
|
|
|
|
struct visconti_pll_provider {
|
|
void __iomem *reg_base;
|
|
struct regmap *regmap;
|
|
struct clk_hw_onecell_data clk_data;
|
|
struct device_node *node;
|
|
};
|
|
|
|
#define VISCONTI_PLL_RATE(_rate, _dacen, _dsmen, \
|
|
_refdiv, _intin, _fracin, _postdiv1, _postdiv2) \
|
|
{ \
|
|
.rate = _rate, \
|
|
.dacen = _dacen, \
|
|
.dsmen = _dsmen, \
|
|
.refdiv = _refdiv, \
|
|
.intin = _intin, \
|
|
.fracin = _fracin, \
|
|
.postdiv1 = _postdiv1, \
|
|
.postdiv2 = _postdiv2 \
|
|
}
|
|
|
|
struct visconti_pll_rate_table {
|
|
unsigned long rate;
|
|
unsigned int dacen;
|
|
unsigned int dsmen;
|
|
unsigned int refdiv;
|
|
unsigned long intin;
|
|
unsigned long fracin;
|
|
unsigned int postdiv1;
|
|
unsigned int postdiv2;
|
|
};
|
|
|
|
struct visconti_pll_info {
|
|
unsigned int id;
|
|
const char *name;
|
|
const char *parent;
|
|
unsigned long base_reg;
|
|
const struct visconti_pll_rate_table *rate_table;
|
|
};
|
|
|
|
struct visconti_pll_provider * __init visconti_init_pll(struct device_node *np,
|
|
void __iomem *base,
|
|
unsigned long nr_plls);
|
|
void visconti_register_plls(struct visconti_pll_provider *ctx,
|
|
const struct visconti_pll_info *list,
|
|
unsigned int nr_plls, spinlock_t *lock);
|
|
|
|
#endif /* _VISCONTI_PLL_H_ */
|