1 /* SPDX-License-Identifier: GPL-2.0 */
3 * R-Car Gen3 Clock Pulse Generator
5 * Copyright (C) 2015-2018 Glider bvba
6 * Copyright (C) 2018 Renesas Electronics Corp.
10 #ifndef __CLK_RENESAS_RCAR_GEN3_CPG_H__
11 #define __CLK_RENESAS_RCAR_GEN3_CPG_H__
13 enum rcar_gen3_clk_types {
14 CLK_TYPE_GEN3_MAIN = CLK_TYPE_CUSTOM,
21 CLK_TYPE_R8A77970_SD0H,
23 CLK_TYPE_R8A77970_SD0,
25 CLK_TYPE_GEN3_MDSEL, /* Select parent/divider using mode pin */
27 CLK_TYPE_GEN3_OSC, /* OSC EXTAL predivider and fixed divider */
28 CLK_TYPE_GEN3_RCKSEL, /* Select parent/divider using RCKCR.CKSEL */
30 CLK_TYPE_GEN3_D3_RPCSRC,
31 CLK_TYPE_GEN3_E3_RPCSRC,
37 CLK_TYPE_GEN4_PLL2X_3X, /* PLL[23][01] */
41 CLK_TYPE_GEN4_MDSEL, /* Select parent/divider using mode pin */
43 CLK_TYPE_GEN4_OSC, /* OSC EXTAL predivider and fixed divider */
48 /* SoC specific definitions start here */
49 CLK_TYPE_GEN3_SOC_BASE,
52 #define DEF_GEN3_SDH(_name, _id, _parent, _offset) \
53 DEF_BASE(_name, _id, CLK_TYPE_GEN3_SDH, _parent, .offset = _offset)
55 #define DEF_GEN3_SD(_name, _id, _parent, _offset) \
56 DEF_BASE(_name, _id, CLK_TYPE_GEN3_SD, _parent, .offset = _offset)
58 #define DEF_GEN3_MDSEL(_name, _id, _md, _parent0, _div0, _parent1, _div1) \
59 DEF_BASE(_name, _id, CLK_TYPE_GEN3_MDSEL, \
60 (_parent0) << 16 | (_parent1), \
61 .div = (_div0) << 16 | (_div1), .offset = _md)
63 #define DEF_GEN3_PE(_name, _id, _parent_sscg, _div_sscg, _parent_clean, \
65 DEF_GEN3_MDSEL(_name, _id, 12, _parent_sscg, _div_sscg, \
66 _parent_clean, _div_clean)
68 #define DEF_GEN3_OSC(_name, _id, _parent, _div) \
69 DEF_BASE(_name, _id, CLK_TYPE_GEN3_OSC, _parent, .div = _div)
71 #define DEF_GEN3_RCKSEL(_name, _id, _parent0, _div0, _parent1, _div1) \
72 DEF_BASE(_name, _id, CLK_TYPE_GEN3_RCKSEL, \
73 (_parent0) << 16 | (_parent1), .div = (_div0) << 16 | (_div1))
75 #define DEF_GEN3_Z(_name, _id, _type, _parent, _div, _offset) \
76 DEF_BASE(_name, _id, _type, _parent, .div = _div, .offset = _offset)
78 #define DEF_FIXED_RPCSRC_D3(_name, _id, _parent0, _parent1) \
79 DEF_BASE(_name, _id, CLK_TYPE_GEN3_D3_RPCSRC, \
80 (_parent0) << 16 | (_parent1), .div = 5)
82 #define DEF_FIXED_RPCSRC_E3(_name, _id, _parent0, _parent1) \
83 DEF_BASE(_name, _id, CLK_TYPE_GEN3_E3_RPCSRC, \
84 (_parent0) << 16 | (_parent1), .div = 8)
86 #define DEF_GEN4_SDH(_name, _id, _parent, _offset) \
87 DEF_BASE(_name, _id, CLK_TYPE_GEN4_SDH, _parent, .offset = _offset)
89 #define DEF_GEN4_SD(_name, _id, _parent, _offset) \
90 DEF_BASE(_name, _id, CLK_TYPE_GEN4_SD, _parent, .offset = _offset)
92 #define DEF_GEN4_MDSEL(_name, _id, _md, _parent0, _div0, _parent1, _div1) \
93 DEF_BASE(_name, _id, CLK_TYPE_GEN4_MDSEL, \
94 (_parent0) << 16 | (_parent1), \
95 .div = (_div0) << 16 | (_div1), .offset = _md)
97 #define DEF_GEN4_OSC(_name, _id, _parent, _div) \
98 DEF_BASE(_name, _id, CLK_TYPE_GEN4_OSC, _parent, .div = _div)
100 #define DEF_GEN4_Z(_name, _id, _type, _parent, _div, _offset) \
101 DEF_BASE(_name, _id, _type, _parent, .div = _div, .offset = _offset)
103 struct rcar_gen3_cpg_pll_config {
114 #define CPG_RST_MODEMR 0x060
116 #define CPG_SDCKCR_STPnHCK BIT(9)
117 #define CPG_SDCKCR_STPnCK BIT(8)
118 #define CPG_SDCKCR_SRCFC_MASK GENMASK(4, 2)
119 #define CPG_SDCKCR_FC_MASK GENMASK(1, 0)
121 #define CPG_SDCKCR_SDHFC_MASK GENMASK(11, 8)
122 #define CPG_SDCKCR_SD0FC_MASK GENMASK(7, 4)
124 #define CPG_RPCCKCR 0x238
125 #define CPG_RPCCKCR_DIV_POST_MASK GENMASK(4, 3)
126 #define CPG_RPCCKCR_DIV_PRE_MASK GENMASK(2, 0)
128 #define CPG_RCKCR 0x240
130 struct gen3_clk_priv {
132 struct cpg_mssr_info *info;
133 struct clk clk_extal;
134 struct clk clk_extalr;
136 const struct rcar_gen3_cpg_pll_config *cpg_pll_config;
139 int gen3_cpg_bind(struct udevice *parent);
141 extern const struct clk_ops gen3_clk_ops;