u-boot/drivers/clk/uniphier/clk-uniphier.h
Masahiro Yamada 48264d9beb clk: uniphier: add Media I/O clock driver for UniPhier SoCs
This is the initial commit for the UniPhier clock drivers.
Currently, only the Media I/O clock is supported.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-02-14 16:36:13 +09:00

57 lines
1.1 KiB
C

/*
* Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __CLK_UNIPHIER_H__
#define __CLK_UNIPHIER_H__
#include <linux/kernel.h>
struct uniphier_clk_gate_data {
int index;
unsigned int reg;
u32 mask;
u32 data;
};
struct uniphier_clk_rate_data {
int index;
unsigned int reg;
#define UNIPHIER_CLK_RATE_IS_FIXED UINT_MAX
u32 mask;
u32 data;
unsigned long rate;
};
struct uniphier_clk_soc_data {
struct uniphier_clk_gate_data *gate;
unsigned int nr_gate;
struct uniphier_clk_rate_data *rate;
unsigned int nr_rate;
};
#define UNIPHIER_CLK_FIXED_RATE(i, f) \
{ \
.index = i, \
.reg = UNIPHIER_CLK_RATE_IS_FIXED, \
.rate = f, \
}
/**
* struct uniphier_clk_priv - private data for UniPhier clock driver
*
* @base: base address of the clock provider
* @socdata: SoC specific data
*/
struct uniphier_clk_priv {
void __iomem *base;
struct uniphier_clk_soc_data *socdata;
};
extern const struct clk_ops uniphier_clk_ops;
int uniphier_clk_probe(struct udevice *dev);
int uniphier_clk_remove(struct udevice *dev);
#endif /* __CLK_UNIPHIER_H__ */