NetBSD/sys/arch/arm/samsung/exynos_clock.h

84 lines
2.2 KiB
C

/* $NetBSD: exynos_clock.h,v 1.1 2015/12/05 13:32:27 jmcneill Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <jmcneill@invisible.ca>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _ARM_EXYNOS_CLOCK_H
#define _ARM_EXYNOS_CLOCK_H
#include <dev/clk/clk.h>
enum exynos_clk_type {
EXYNOS_CLK_FIXED,
EXYNOS_CLK_PLL,
EXYNOS_CLK_MUX,
EXYNOS_CLK_DIV,
EXYNOS_CLK_GATE
};
struct exynos_fixed_clk {
u_int rate;
};
struct exynos_pll_clk {
u_int lock_reg;
u_int con0_reg;
};
struct exynos_mux_clk {
const char **parents;
u_int nparents;
u_int reg;
u_int bits;
};
struct exynos_div_clk {
u_int reg;
u_int bits;
};
struct exynos_gate_clk {
u_int reg;
u_int bits;
};
struct exynos_clk {
struct clk base; /* must be first */
enum exynos_clk_type type;
const char *alias;
const char *parent;
u_int refcnt;
union {
struct exynos_fixed_clk fixed;
struct exynos_pll_clk pll;
struct exynos_mux_clk mux;
struct exynos_div_clk div;
struct exynos_gate_clk gate;
} u;
};
#endif /* _ARM_EXYNOS_CLOCK_H */