1 /* SPDX-License-Identifier: GPL-2.0 */
3 * R-Car Gen4 Clock Pulse Generator
5 * Copyright (C) 2021 Renesas Electronics Corp.
9 #ifndef __CLK_RENESAS_RCAR_GEN4_CPG_H__
10 #define __CLK_RENESAS_RCAR_GEN4_CPG_H__
12 enum rcar_gen4_clk_types {
13 CLK_TYPE_GEN4_MAIN = CLK_TYPE_CUSTOM,
16 CLK_TYPE_GEN4_PLL2X_3X, /* r8a779a0 only */
23 CLK_TYPE_GEN4_MDSEL, /* Select parent/divider using mode pin */
25 CLK_TYPE_GEN4_OSC, /* OSC EXTAL predivider and fixed divider */
30 /* SoC specific definitions start here */
31 CLK_TYPE_GEN4_SOC_BASE,
34 #define DEF_GEN4_SDH(_name, _id, _parent, _offset) \
35 DEF_BASE(_name, _id, CLK_TYPE_GEN4_SDH, _parent, .offset = _offset)
37 #define DEF_GEN4_SD(_name, _id, _parent, _offset) \
38 DEF_BASE(_name, _id, CLK_TYPE_GEN4_SD, _parent, .offset = _offset)
40 #define DEF_GEN4_MDSEL(_name, _id, _md, _parent0, _div0, _parent1, _div1) \
41 DEF_BASE(_name, _id, CLK_TYPE_GEN4_MDSEL, \
42 (_parent0) << 16 | (_parent1), \
43 .div = (_div0) << 16 | (_div1), .offset = _md)
45 #define DEF_GEN4_OSC(_name, _id, _parent, _div) \
46 DEF_BASE(_name, _id, CLK_TYPE_GEN4_OSC, _parent, .div = _div)
48 #define DEF_GEN4_Z(_name, _id, _type, _parent, _div, _offset) \
49 DEF_BASE(_name, _id, _type, _parent, .div = _div, .offset = _offset)
51 struct rcar_gen4_cpg_pll_config {
66 #define CPG_RPCCKCR 0x874
67 #define SD0CKCR1 0x8a4
69 struct clk *rcar_gen4_cpg_clk_register(struct device *dev,
70 const struct cpg_core_clk *core, const struct cpg_mssr_info *info,
71 struct clk **clks, void __iomem *base,
72 struct raw_notifier_head *notifiers);
73 int rcar_gen4_cpg_init(const struct rcar_gen4_cpg_pll_config *config,
74 unsigned int clk_extalr, u32 mode);