linux-zen-server/drivers/clk/renesas/rcar-cpg-lib.h

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2023-08-30 17:53:23 +02:00
/* 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_sdh_clk_register(const char *name,
void __iomem *sdnckcr, const char *parent_name,
struct raw_notifier_head *notifiers);
struct clk * __init cpg_sd_clk_register(const char *name,
void __iomem *sdnckcr, const char *parent_name);
struct clk * __init cpg_rpc_clk_register(const char *name,
void __iomem *rpcckcr, const char *parent_name,
struct raw_notifier_head *notifiers);
struct clk * __init cpg_rpcd2_clk_register(const char *name,
void __iomem *rpcckcr,
const char *parent_name);
#endif