OpenCloudOS-Kernel/drivers/clk/renesas/rcar-cpg-lib.h

34 lines
825 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* R-Car Gen3 Clock Pulse Generator Library
*
* Copyright (C) 2015-2018 Glider bvba
* Copyright (C) 2019 Renesas Electronics Corp.
*
* Based on clk-rcar-gen3.c
*
* Copyright (C) 2015 Renesas Electronics Corp.
*/
#ifndef __CLK_RENESAS_RCAR_CPG_LIB_H__
#define __CLK_RENESAS_RCAR_CPG_LIB_H__
extern spinlock_t cpg_lock;
struct cpg_simple_notifier {
struct notifier_block nb;
void __iomem *reg;
u32 saved;
};
void cpg_simple_notifier_register(struct raw_notifier_head *notifiers,
struct cpg_simple_notifier *csn);
void cpg_reg_modify(void __iomem *reg, u32 clear, u32 set);
struct clk * __init cpg_sd_clk_register(const char *name,
void __iomem *base, unsigned int offset, const char *parent_name,
struct raw_notifier_head *notifiers, bool skip_first);
#endif