freebsd-skq/sys/arm/allwinner/clkng/aw_clk_nm.h
Emmanuel Vadot d7e3f295fa allwinner: Add support for lock and fractional mode on NM clock
Some PLL have a fractional mode and a lock bit.
Add support for it on the NM clock and export the clocks in the clkdom.
2017-02-27 08:58:27 +00:00

54 lines
1.8 KiB
C

/*-
* Copyright (c) 2017 Emmanuel Vadot <manu@freebsd.org>
* 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.
*
* $FreeBSD$
*/
#ifndef __AW_CLK_NM_H__
#define __AW_CLK_NM_H__
#include <dev/extres/clk/clk.h>
struct aw_clk_nm_def {
struct clknode_init_def clkdef;
uint32_t offset;
struct aw_clk_factor m;
struct aw_clk_factor n;
struct aw_clk_frac frac;
uint32_t mux_shift;
uint32_t mux_width;
uint32_t gate_shift;
uint32_t lock_shift;
uint32_t lock_retries;
uint32_t flags;
};
int aw_clk_nm_register(struct clkdom *clkdom, struct aw_clk_nm_def *clkdef);
#endif /* __AW_CLK_NM_H__ */