mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 08:57:58 +00:00
cd93d625fd
Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
38 lines
1 KiB
C
38 lines
1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Copyright (C) 2018 Synopsys, Inc. All rights reserved.
|
|
* Author: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
|
|
*/
|
|
|
|
#ifndef __BOARD_CLK_LIB_H
|
|
#define __BOARD_CLK_LIB_H
|
|
|
|
#include <common.h>
|
|
#include <linux/bitops.h>
|
|
|
|
enum clk_ctl_ops {
|
|
CLK_SET = BIT(0), /* set frequency */
|
|
CLK_GET = BIT(1), /* get frequency */
|
|
CLK_ON = BIT(2), /* enable clock */
|
|
CLK_OFF = BIT(3), /* disable clock */
|
|
CLK_PRINT = BIT(4), /* print frequency */
|
|
CLK_MHZ = BIT(5) /* all values in MHZ instead of HZ */
|
|
};
|
|
|
|
/*
|
|
* Depending on the clk_ctl_ops enable / disable /
|
|
* set clock rate from 'rate' argument / read clock to 'rate' argument /
|
|
* print clock rate. If CLK_MHZ flag set in clk_ctl_ops 'rate' is in MHz,
|
|
* otherwise - in Hz.
|
|
*
|
|
* This function expects "clk-fmeas" node in device tree:
|
|
* / {
|
|
* clk-fmeas {
|
|
* clocks = <&cpu_pll>, <&sys_pll>;
|
|
* clock-names = "cpu-pll", "sys-pll";
|
|
* };
|
|
* };
|
|
*/
|
|
int soc_clk_ctl(const char *name, ulong *rate, enum clk_ctl_ops ctl);
|
|
|
|
#endif /* __BOARD_CLK_LIB_H */
|