| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * r8a779a0 Clock Pulse Generator / Module Standby and Software Reset |
| * |
| * Copyright (C) 2020 Renesas Electronics Corp. |
| * |
| * Based on r8a7795-cpg-mssr.c |
| * |
| * Copyright (C) 2015 Glider bvba |
| * Copyright (C) 2015 Renesas Electronics Corp. |
| */ |
| |
| #include <common.h> |
| #include <clk-uclass.h> |
| #include <dm.h> |
| |
| #include <dt-bindings/clock/r8a779a0-cpg-mssr.h> |
| |
| #include "renesas-cpg-mssr.h" |
| #include "rcar-gen3-cpg.h" |
| |
| enum clk_ids { |
| /* Core Clock Outputs exported to DT */ |
| LAST_DT_CORE_CLK = R8A779A0_CLK_OSC, |
| |
| /* External Input Clocks */ |
| CLK_EXTAL, |
| CLK_EXTALR, |
| |
| /* Internal Core Clocks */ |
| CLK_MAIN, |
| CLK_PLL1, |
| CLK_PLL20, |
| CLK_PLL21, |
| CLK_PLL30, |
| CLK_PLL31, |
| CLK_PLL5, |
| CLK_PLL1_DIV2, |
| CLK_PLL20_DIV2, |
| CLK_PLL21_DIV2, |
| CLK_PLL30_DIV2, |
| CLK_PLL31_DIV2, |
| CLK_PLL5_DIV2, |
| CLK_PLL5_DIV4, |
| CLK_S1, |
| CLK_S3, |
| CLK_SDSRC, |
| CLK_RPCSRC, |
| CLK_OCO, |
| |
| /* Module Clocks */ |
| MOD_CLK_BASE |
| }; |
| |
| #define DEF_PLL(_name, _id, _offset) \ |
| DEF_BASE(_name, _id, CLK_TYPE_R8A779A0_PLL2X_3X, CLK_MAIN, \ |
| .offset = _offset) |
| |
| #define DEF_SD(_name, _id, _parent, _offset) \ |
| DEF_BASE(_name, _id, CLK_TYPE_R8A779A0_SD, _parent, .offset = _offset) |
| |
| #define DEF_MDSEL(_name, _id, _md, _parent0, _div0, _parent1, _div1) \ |
| DEF_BASE(_name, _id, CLK_TYPE_R8A779A0_MDSEL, \ |
| (_parent0) << 16 | (_parent1), \ |
| .div = (_div0) << 16 | (_div1), .offset = _md) |
| |
| #define DEF_OSC(_name, _id, _parent, _div) \ |
| DEF_BASE(_name, _id, CLK_TYPE_R8A779A0_OSC, _parent, .div = _div) |
| |
| static const struct cpg_core_clk r8a779a0_core_clks[] = { |
| /* External Clock Inputs */ |
| DEF_INPUT("extal", CLK_EXTAL), |
| DEF_INPUT("extalr", CLK_EXTALR), |
| |
| /* Internal Core Clocks */ |
| DEF_BASE(".main", CLK_MAIN, CLK_TYPE_R8A779A0_MAIN, CLK_EXTAL), |
| DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_R8A779A0_PLL1, CLK_MAIN), |
| DEF_BASE(".pll5", CLK_PLL5, CLK_TYPE_R8A779A0_PLL5, CLK_MAIN), |
| DEF_PLL(".pll20", CLK_PLL20, 0x0834), |
| DEF_PLL(".pll21", CLK_PLL21, 0x0838), |
| DEF_PLL(".pll30", CLK_PLL30, 0x083c), |
| DEF_PLL(".pll31", CLK_PLL31, 0x0840), |
| |
| DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), |
| DEF_FIXED(".pll20_div2", CLK_PLL20_DIV2, CLK_PLL20, 2, 1), |
| DEF_FIXED(".pll21_div2", CLK_PLL21_DIV2, CLK_PLL21, 2, 1), |
| DEF_FIXED(".pll30_div2", CLK_PLL30_DIV2, CLK_PLL30, 2, 1), |
| DEF_FIXED(".pll31_div2", CLK_PLL31_DIV2, CLK_PLL31, 2, 1), |
| DEF_FIXED(".pll5_div2", CLK_PLL5_DIV2, CLK_PLL5, 2, 1), |
| DEF_FIXED(".pll5_div4", CLK_PLL5_DIV4, CLK_PLL5_DIV2, 2, 1), |
| DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 2, 1), |
| DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 4, 1), |
| DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL5_DIV4, 1, 1), |
| DEF_RATE(".oco", CLK_OCO, 32768), |
| |
| /* Core Clock Outputs */ |
| DEF_FIXED("zx", R8A779A0_CLK_ZX, CLK_PLL20_DIV2, 2, 1), |
| DEF_FIXED("s1d1", R8A779A0_CLK_S1D1, CLK_S1, 1, 1), |
| DEF_FIXED("s1d2", R8A779A0_CLK_S1D2, CLK_S1, 2, 1), |
| DEF_FIXED("s1d4", R8A779A0_CLK_S1D4, CLK_S1, 4, 1), |
| DEF_FIXED("s1d8", R8A779A0_CLK_S1D8, CLK_S1, 8, 1), |
| DEF_FIXED("s1d12", R8A779A0_CLK_S1D12, CLK_S1, 12, 1), |
| DEF_FIXED("s3d1", R8A779A0_CLK_S3D1, CLK_S3, 1, 1), |
| DEF_FIXED("s3d2", R8A779A0_CLK_S3D2, CLK_S3, 2, 1), |
| DEF_FIXED("s3d4", R8A779A0_CLK_S3D4, CLK_S3, 4, 1), |
| DEF_FIXED("zs", R8A779A0_CLK_ZS, CLK_PLL1_DIV2, 4, 1), |
| DEF_FIXED("zt", R8A779A0_CLK_ZT, CLK_PLL1_DIV2, 2, 1), |
| DEF_FIXED("ztr", R8A779A0_CLK_ZTR, CLK_PLL1_DIV2, 2, 1), |
| DEF_FIXED("zr", R8A779A0_CLK_ZR, CLK_PLL1_DIV2, 1, 1), |
| DEF_FIXED("dsi", R8A779A0_CLK_DSI, CLK_PLL5_DIV4, 1, 1), |
| DEF_FIXED("cnndsp", R8A779A0_CLK_CNNDSP, CLK_PLL5_DIV4, 1, 1), |
| DEF_FIXED("vip", R8A779A0_CLK_VIP, CLK_PLL5, 5, 1), |
| DEF_FIXED("adgh", R8A779A0_CLK_ADGH, CLK_PLL5_DIV4, 1, 1), |
| DEF_FIXED("icu", R8A779A0_CLK_ICU, CLK_PLL5_DIV4, 2, 1), |
| DEF_FIXED("icud2", R8A779A0_CLK_ICUD2, CLK_PLL5_DIV4, 4, 1), |
| DEF_FIXED("vcbus", R8A779A0_CLK_VCBUS, CLK_PLL5_DIV4, 1, 1), |
| DEF_FIXED("cbfusa", R8A779A0_CLK_CBFUSA, CLK_EXTAL, 2, 1), |
| DEF_FIXED("cp", R8A779A0_CLK_CP, CLK_EXTAL, 2, 1), |
| |
| DEF_SD("sd0", R8A779A0_CLK_SD0, CLK_SDSRC, 0x870), |
| |
| DEF_DIV6P1("mso", R8A779A0_CLK_MSO, CLK_PLL5_DIV4, 0x87c), |
| DEF_DIV6P1("canfd", R8A779A0_CLK_CANFD, CLK_PLL5_DIV4, 0x878), |
| DEF_DIV6P1("csi0", R8A779A0_CLK_CSI0, CLK_PLL5_DIV4, 0x880), |
| |
| DEF_OSC("osc", R8A779A0_CLK_OSC, CLK_EXTAL, 8), |
| DEF_MDSEL("r", R8A779A0_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1), |
| }; |
| |
| static const struct mssr_mod_clk r8a779a0_mod_clks[] = { |
| DEF_MOD("avb0", 211, R8A779A0_CLK_S3D2), |
| DEF_MOD("avb1", 212, R8A779A0_CLK_S3D2), |
| DEF_MOD("avb2", 213, R8A779A0_CLK_S3D2), |
| DEF_MOD("avb3", 214, R8A779A0_CLK_S3D2), |
| DEF_MOD("avb4", 215, R8A779A0_CLK_S3D2), |
| DEF_MOD("avb5", 216, R8A779A0_CLK_S3D2), |
| DEF_MOD("csi40", 331, R8A779A0_CLK_CSI0), |
| DEF_MOD("csi41", 400, R8A779A0_CLK_CSI0), |
| DEF_MOD("csi42", 401, R8A779A0_CLK_CSI0), |
| DEF_MOD("csi43", 402, R8A779A0_CLK_CSI0), |
| DEF_MOD("fcpvd0", 508, R8A779A0_CLK_S3D1), |
| DEF_MOD("fcpvd1", 509, R8A779A0_CLK_S3D1), |
| DEF_MOD("hscif0", 514, R8A779A0_CLK_S1D2), |
| DEF_MOD("hscif1", 515, R8A779A0_CLK_S1D2), |
| DEF_MOD("hscif2", 516, R8A779A0_CLK_S1D2), |
| DEF_MOD("hscif3", 517, R8A779A0_CLK_S1D2), |
| DEF_MOD("i2c0", 518, R8A779A0_CLK_S1D4), |
| DEF_MOD("i2c1", 519, R8A779A0_CLK_S1D4), |
| DEF_MOD("i2c2", 520, R8A779A0_CLK_S1D4), |
| DEF_MOD("i2c3", 521, R8A779A0_CLK_S1D4), |
| DEF_MOD("i2c4", 522, R8A779A0_CLK_S1D4), |
| DEF_MOD("i2c5", 523, R8A779A0_CLK_S1D4), |
| DEF_MOD("i2c6", 524, R8A779A0_CLK_S1D4), |
| DEF_MOD("msi0", 618, R8A779A0_CLK_MSO), |
| DEF_MOD("msi1", 619, R8A779A0_CLK_MSO), |
| DEF_MOD("msi2", 620, R8A779A0_CLK_MSO), |
| DEF_MOD("msi3", 621, R8A779A0_CLK_MSO), |
| DEF_MOD("msi4", 622, R8A779A0_CLK_MSO), |
| DEF_MOD("msi5", 623, R8A779A0_CLK_MSO), |
| DEF_MOD("scif0", 702, R8A779A0_CLK_S1D8), |
| DEF_MOD("scif1", 703, R8A779A0_CLK_S1D8), |
| DEF_MOD("scif3", 704, R8A779A0_CLK_S1D8), |
| DEF_MOD("scif4", 705, R8A779A0_CLK_S1D8), |
| DEF_MOD("sdhi0", 706, R8A779A0_CLK_SD0), |
| DEF_MOD("sydm1", 709, R8A779A0_CLK_S1D2), |
| DEF_MOD("sydm2", 710, R8A779A0_CLK_S1D2), |
| DEF_MOD("vin00", 730, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin01", 731, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin02", 800, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin03", 801, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin04", 802, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin05", 803, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin06", 804, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin07", 805, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin10", 806, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin11", 807, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin12", 808, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin13", 809, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin14", 810, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin15", 811, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin16", 812, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin17", 813, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin20", 814, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin21", 815, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin22", 816, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin23", 817, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin24", 818, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin25", 819, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin26", 820, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin27", 821, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin30", 822, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin31", 823, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin32", 824, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin33", 825, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin34", 826, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin35", 827, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin36", 828, R8A779A0_CLK_S1D1), |
| DEF_MOD("vin37", 829, R8A779A0_CLK_S1D1), |
| DEF_MOD("vspd0", 830, R8A779A0_CLK_S3D1), |
| DEF_MOD("vspd1", 831, R8A779A0_CLK_S3D1), |
| DEF_MOD("rwdt", 907, R8A779A0_CLK_R), |
| DEF_MOD("pfc0", 915, R8A779A0_CLK_CP), |
| DEF_MOD("pfc1", 916, R8A779A0_CLK_CP), |
| DEF_MOD("pfc2", 917, R8A779A0_CLK_CP), |
| DEF_MOD("pfc3", 918, R8A779A0_CLK_CP), |
| DEF_MOD("vspx0", 1028, R8A779A0_CLK_S1D1), |
| DEF_MOD("vspx1", 1029, R8A779A0_CLK_S1D1), |
| DEF_MOD("vspx2", 1030, R8A779A0_CLK_S1D1), |
| DEF_MOD("vspx3", 1031, R8A779A0_CLK_S1D1), |
| }; |
| |
| /* |
| * CPG Clock Data |
| */ |
| |
| /* |
| * MD EXTAL PLL1 PLL20 PLL30 PLL4 PLL5 OSC |
| * 14 13 (MHz) 21 31 |
| * -------------------------------------------------------- |
| * 0 0 16.66 x 1 x128 x216 x128 x144 x192 /16 |
| * 0 1 20 x 1 x106 x180 x106 x120 x160 /19 |
| * 1 0 Prohibited setting |
| * 1 1 33.33 / 2 x128 x216 x128 x144 x192 /32 |
| */ |
| #define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \ |
| (((md) & BIT(13)) >> 13)) |
| |
| static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[4] = { |
| /* EXTAL div PLL1 mult/div Not used OSC prediv PLL5 mult/div */ |
| { 1, 128, 1, 128, 1, 16, 192, 1, }, |
| { 1, 106, 1, 106, 1, 19, 160, 1, }, |
| { 0, 0, 0, 0, 0, 0, 0, 0, }, |
| { 2, 128, 1, 128, 1, 32, 192, 1, }, |
| }; |
| |
| /* |
| * Note that the only clock left running before booting Linux are now |
| * MFIS, INTC-AP, INTC-EX and SCIF0 on V3U |
| */ |
| #define MSTPCR7_SCIF0 BIT(2) |
| #define MSTPCR6_MFIS BIT(17) |
| #define MSTPCR6_INTC BIT(11) /* No information: INTC-AP, INTC-EX */ |
| |
| static const struct mstp_stop_table r8a779a0_mstp_table[] = { |
| { 0x003f7ffe, 0x0, 0x0, 0x0 }, |
| { 0x00cb0000, 0x0, 0x0, 0x0 }, |
| { 0x0001f800, 0x0, 0x0, 0x0 }, |
| { 0x90000000, 0x0, 0x0, 0x0 }, |
| { 0x0001c807, 0x0, 0x0, 0x0 }, |
| { 0x7e03c380, 0x0, 0x0, 0x0 }, |
| { 0x1f01f001, MSTPCR6_MFIS, 0x0, 0x0 }, |
| { 0xffffe040, MSTPCR7_SCIF0, 0x0, 0x0 }, |
| { 0xffffffff, 0x0, 0x0, 0x0 }, |
| { 0x00003c78, 0x0, 0x0, 0x0 }, |
| { 0xf0000000, 0x0, 0x0, 0x0 }, |
| { 0x0000000f, 0x0, 0x0, 0x0 }, |
| { 0xbe800000, 0x0, 0x0, 0x0 }, |
| { 0x00000037, 0x0, 0x0, 0x0 }, |
| { 0x00000000, 0x0, 0x0, 0x0 }, |
| }; |
| |
| static const void *r8a779a0_get_pll_config(const u32 cpg_mode) |
| { |
| return &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; |
| } |
| |
| static const struct cpg_mssr_info r8a779a0_cpg_mssr_info = { |
| .core_clk = r8a779a0_core_clks, |
| .core_clk_size = ARRAY_SIZE(r8a779a0_core_clks), |
| .mod_clk = r8a779a0_mod_clks, |
| .mod_clk_size = ARRAY_SIZE(r8a779a0_mod_clks), |
| .mstp_table = r8a779a0_mstp_table, |
| .mstp_table_size = ARRAY_SIZE(r8a779a0_mstp_table), |
| .reset_node = "renesas,r8a779a0-rst", |
| .reset_modemr_offset = 0x00, |
| .extalr_node = "extalr", |
| .mod_clk_base = MOD_CLK_BASE, |
| .clk_extal_id = CLK_EXTAL, |
| .clk_extalr_id = CLK_EXTALR, |
| .get_pll_config = r8a779a0_get_pll_config, |
| .reg_layout = CLK_REG_LAYOUT_RCAR_V3U, |
| }; |
| |
| static const struct udevice_id r8a779a0_clk_ids[] = { |
| { |
| .compatible = "renesas,r8a779a0-cpg-mssr", |
| .data = (ulong)&r8a779a0_cpg_mssr_info |
| }, |
| { } |
| }; |
| |
| U_BOOT_DRIVER(clk_r8a779a0) = { |
| .name = "clk_r8a779a0", |
| .id = UCLASS_CLK, |
| .of_match = r8a779a0_clk_ids, |
| .priv_auto = sizeof(struct gen3_clk_priv), |
| .ops = &gen3_clk_ops, |
| .probe = gen3_clk_probe, |
| .remove = gen3_clk_remove, |
| }; |