forked from Minki/linux
7a12f838e4
This patch corrects the SPDX License Identifier style in header files related to Clock Drivers for Spreadtrum SoCs. For C header files Documentation/process/license-rules.rst mandates C-like comments (opposed to C source files where C++ style should be used) Changes made by using a script provided by Joe Perches here: https://lkml.org/lkml/2019/2/7/46 Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
//
|
|
// Spreadtrum multiplexer clock driver
|
|
//
|
|
// Copyright (C) 2017 Spreadtrum, Inc.
|
|
// Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
|
|
|
|
#ifndef _SPRD_MUX_H_
|
|
#define _SPRD_MUX_H_
|
|
|
|
#include "common.h"
|
|
|
|
/**
|
|
* struct sprd_mux_ssel - Mux clock's source select bits in its register
|
|
* @shift: Bit offset of the divider in its register
|
|
* @width: Width of the divider field in its register
|
|
* @table: For some mux clocks, not all sources are used on some special
|
|
* chips, this matches the value of mux clock's register and the
|
|
* sources which are used for this mux clock
|
|
*/
|
|
struct sprd_mux_ssel {
|
|
u8 shift;
|
|
u8 width;
|
|
const u8 *table;
|
|
};
|
|
|
|
struct sprd_mux {
|
|
struct sprd_mux_ssel mux;
|
|
struct sprd_clk_common common;
|
|
};
|
|
|
|
#define _SPRD_MUX_CLK(_shift, _width, _table) \
|
|
{ \
|
|
.shift = _shift, \
|
|
.width = _width, \
|
|
.table = _table, \
|
|
}
|
|
|
|
#define SPRD_MUX_CLK_TABLE(_struct, _name, _parents, _table, \
|
|
_reg, _shift, _width, \
|
|
_flags) \
|
|
struct sprd_mux _struct = { \
|
|
.mux = _SPRD_MUX_CLK(_shift, _width, _table), \
|
|
.common = { \
|
|
.regmap = NULL, \
|
|
.reg = _reg, \
|
|
.hw.init = CLK_HW_INIT_PARENTS(_name, \
|
|
_parents, \
|
|
&sprd_mux_ops, \
|
|
_flags), \
|
|
} \
|
|
}
|
|
|
|
#define SPRD_MUX_CLK(_struct, _name, _parents, _reg, \
|
|
_shift, _width, _flags) \
|
|
SPRD_MUX_CLK_TABLE(_struct, _name, _parents, NULL, \
|
|
_reg, _shift, _width, _flags)
|
|
|
|
static inline struct sprd_mux *hw_to_sprd_mux(const struct clk_hw *hw)
|
|
{
|
|
struct sprd_clk_common *common = hw_to_sprd_clk_common(hw);
|
|
|
|
return container_of(common, struct sprd_mux, common);
|
|
}
|
|
|
|
extern const struct clk_ops sprd_mux_ops;
|
|
|
|
u8 sprd_mux_helper_get_parent(const struct sprd_clk_common *common,
|
|
const struct sprd_mux_ssel *mux);
|
|
int sprd_mux_helper_set_parent(const struct sprd_clk_common *common,
|
|
const struct sprd_mux_ssel *mux,
|
|
u8 index);
|
|
|
|
#endif /* _SPRD_MUX_H_ */
|