diff options
Diffstat (limited to 'drivers/clk/renesas/rcar-cpg-lib.h')
-rw-r--r-- | drivers/clk/renesas/rcar-cpg-lib.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/clk/renesas/rcar-cpg-lib.h b/drivers/clk/renesas/rcar-cpg-lib.h new file mode 100644 index 0000000000..94627df1c9 --- /dev/null +++ b/drivers/clk/renesas/rcar-cpg-lib.h @@ -0,0 +1,43 @@ +/* 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 |