xref: /OK3568_Linux_fs/kernel/drivers/clk/renesas/rcar-gen2-cpg.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * R-Car Gen2 Clock Pulse Generator
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2016 Cogent Embedded Inc.
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef __CLK_RENESAS_RCAR_GEN2_CPG_H__
9*4882a593Smuzhiyun #define __CLK_RENESAS_RCAR_GEN2_CPG_H__
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun enum rcar_gen2_clk_types {
12*4882a593Smuzhiyun 	CLK_TYPE_GEN2_MAIN = CLK_TYPE_CUSTOM,
13*4882a593Smuzhiyun 	CLK_TYPE_GEN2_PLL0,
14*4882a593Smuzhiyun 	CLK_TYPE_GEN2_PLL1,
15*4882a593Smuzhiyun 	CLK_TYPE_GEN2_PLL3,
16*4882a593Smuzhiyun 	CLK_TYPE_GEN2_Z,
17*4882a593Smuzhiyun 	CLK_TYPE_GEN2_LB,
18*4882a593Smuzhiyun 	CLK_TYPE_GEN2_ADSP,
19*4882a593Smuzhiyun 	CLK_TYPE_GEN2_SDH,
20*4882a593Smuzhiyun 	CLK_TYPE_GEN2_SD0,
21*4882a593Smuzhiyun 	CLK_TYPE_GEN2_SD1,
22*4882a593Smuzhiyun 	CLK_TYPE_GEN2_QSPI,
23*4882a593Smuzhiyun 	CLK_TYPE_GEN2_RCAN,
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun struct rcar_gen2_cpg_pll_config {
27*4882a593Smuzhiyun 	u8 extal_div;
28*4882a593Smuzhiyun 	u8 pll1_mult;
29*4882a593Smuzhiyun 	u8 pll3_mult;
30*4882a593Smuzhiyun 	u8 pll0_mult;		/* leave as zero if PLL0CR exists */
31*4882a593Smuzhiyun };
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun struct clk *rcar_gen2_cpg_clk_register(struct device *dev,
34*4882a593Smuzhiyun 	const struct cpg_core_clk *core, const struct cpg_mssr_info *info,
35*4882a593Smuzhiyun 	struct clk **clks, void __iomem *base,
36*4882a593Smuzhiyun 	struct raw_notifier_head *notifiers);
37*4882a593Smuzhiyun int rcar_gen2_cpg_init(const struct rcar_gen2_cpg_pll_config *config,
38*4882a593Smuzhiyun 		       unsigned int pll0_div, u32 mode);
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun #endif
41