// SPDX-License-Identifier: GPL-2.0 /* * r8a779f0 Clock Pulse Generator / Module Standby and Software Reset * * Copyright (C) 2021 Renesas Electronics Corp. * * Based on r8a779a0-cpg-mssr.c */ #include #include #include #include #include "renesas-cpg-mssr.h" #include "rcar-gen3-cpg.h" enum clk_ids { /* Core Clock Outputs exported to DT */ LAST_DT_CORE_CLK = R8A779F0_CLK_R, /* External Input Clocks */ CLK_EXTAL, CLK_EXTALR, /* Internal Core Clocks */ CLK_MAIN, CLK_PLL1, CLK_PLL2, CLK_PLL3, CLK_PLL5, CLK_PLL6, CLK_PLL1_DIV2, CLK_PLL2_DIV2, CLK_PLL3_DIV2, CLK_PLL5_DIV2, CLK_PLL5_DIV4, CLK_PLL6_DIV2, CLK_S0, CLK_SASYNCPER, CLK_SDSRC, CLK_RPCSRC, CLK_OCO, /* Module Clocks */ MOD_CLK_BASE }; static const struct cpg_core_clk r8a779f0_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_GEN4_MAIN, CLK_EXTAL), DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN4_PLL1, CLK_MAIN), DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN4_PLL2, CLK_MAIN), DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN4_PLL3, CLK_MAIN), DEF_BASE(".pll5", CLK_PLL5, CLK_TYPE_GEN4_PLL5, CLK_MAIN), DEF_BASE(".pll6", CLK_PLL6, CLK_TYPE_GEN4_PLL6, CLK_MAIN), DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 2, 1), DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 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(".pll6_div2", CLK_PLL6_DIV2, CLK_PLL6, 2, 1), DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), DEF_FIXED(".sasyncper", CLK_SASYNCPER, CLK_PLL5_DIV4, 3, 1), DEF_BASE(".sdsrc", CLK_SDSRC, CLK_TYPE_GEN4_SDSRC, CLK_PLL5), DEF_RATE(".oco", CLK_OCO, 32768), DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN4_RPCSRC, CLK_PLL5), /* Core Clock Outputs */ DEF_GEN4_Z("z0", R8A779F0_CLK_Z0, CLK_TYPE_GEN4_Z, CLK_PLL2, 2, 0), DEF_GEN4_Z("z1", R8A779F0_CLK_Z1, CLK_TYPE_GEN4_Z, CLK_PLL2, 2, 8), DEF_FIXED("s0d2", R8A779F0_CLK_S0D2, CLK_S0, 2, 1), DEF_FIXED("s0d3", R8A779F0_CLK_S0D3, CLK_S0, 3, 1), DEF_FIXED("s0d4", R8A779F0_CLK_S0D4, CLK_S0, 4, 1), DEF_FIXED("cl16m", R8A779F0_CLK_CL16M, CLK_S0, 48, 1), DEF_FIXED("s0d2_mm", R8A779F0_CLK_S0D2_MM, CLK_S0, 2, 1), DEF_FIXED("s0d3_mm", R8A779F0_CLK_S0D3_MM, CLK_S0, 3, 1), DEF_FIXED("s0d4_mm", R8A779F0_CLK_S0D4_MM, CLK_S0, 4, 1), DEF_FIXED("cl16m_mm", R8A779F0_CLK_CL16M_MM, CLK_S0, 48, 1), DEF_FIXED("s0d2_rt", R8A779F0_CLK_S0D2_RT, CLK_S0, 2, 1), DEF_FIXED("s0d3_rt", R8A779F0_CLK_S0D3_RT, CLK_S0, 3, 1), DEF_FIXED("s0d4_rt", R8A779F0_CLK_S0D4_RT, CLK_S0, 4, 1), DEF_FIXED("s0d6_rt", R8A779F0_CLK_S0D6_RT, CLK_S0, 6, 1), DEF_FIXED("cl16m_rt", R8A779F0_CLK_CL16M_RT, CLK_S0, 48, 1), DEF_FIXED("s0d3_per", R8A779F0_CLK_S0D3_PER, CLK_S0, 3, 1), DEF_FIXED("s0d6_per", R8A779F0_CLK_S0D6_PER, CLK_S0, 6, 1), DEF_FIXED("s0d12_per", R8A779F0_CLK_S0D12_PER, CLK_S0, 12, 1), DEF_FIXED("s0d24_per", R8A779F0_CLK_S0D24_PER, CLK_S0, 24, 1), DEF_FIXED("cl16m_per", R8A779F0_CLK_CL16M_PER, CLK_S0, 48, 1), DEF_FIXED("s0d2_hsc", R8A779F0_CLK_S0D2_HSC, CLK_S0, 2, 1), DEF_FIXED("s0d3_hsc", R8A779F0_CLK_S0D3_HSC, CLK_S0, 3, 1), DEF_FIXED("s0d4_hsc", R8A779F0_CLK_S0D4_HSC, CLK_S0, 4, 1), DEF_FIXED("s0d6_hsc", R8A779F0_CLK_S0D6_HSC, CLK_S0, 6, 1), DEF_FIXED("s0d12_hsc", R8A779F0_CLK_S0D12_HSC, CLK_S0, 12, 1), DEF_FIXED("cl16m_hsc", R8A779F0_CLK_CL16M_HSC, CLK_S0, 48, 1), DEF_FIXED("s0d2_cc", R8A779F0_CLK_S0D2_CC, CLK_S0, 2, 1), DEF_FIXED("rsw2", R8A779F0_CLK_RSW2, CLK_PLL5_DIV2, 5, 1), DEF_FIXED("cbfusa", R8A779F0_CLK_CBFUSA, CLK_EXTAL, 2, 1), DEF_FIXED("cpex", R8A779F0_CLK_CPEX, CLK_EXTAL, 2, 1), DEF_FIXED("sasyncrt", R8A779F0_CLK_SASYNCRT, CLK_PLL5_DIV4, 48, 1), DEF_FIXED("sasyncperd1",R8A779F0_CLK_SASYNCPERD1, CLK_SASYNCPER,1, 1), DEF_FIXED("sasyncperd2",R8A779F0_CLK_SASYNCPERD2, CLK_SASYNCPER,2, 1), DEF_FIXED("sasyncperd4",R8A779F0_CLK_SASYNCPERD4, CLK_SASYNCPER,4, 1), DEF_GEN4_SDH("sd0h", R8A779F0_CLK_SD0H, CLK_SDSRC, 0x870), DEF_GEN4_SD("sd0", R8A779F0_CLK_SD0, R8A779F0_CLK_SD0H, 0x870), DEF_BASE("rpc", R8A779F0_CLK_RPC, CLK_TYPE_GEN4_RPC, CLK_RPCSRC), DEF_BASE("rpcd2", R8A779F0_CLK_RPCD2, CLK_TYPE_GEN4_RPCD2, R8A779F0_CLK_RPC), DEF_DIV6P1("mso", R8A779F0_CLK_MSO, CLK_PLL5_DIV4, 0x87c), DEF_GEN4_OSC("osc", R8A779F0_CLK_OSC, CLK_EXTAL, 8), DEF_GEN4_MDSEL("r", R8A779F0_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1), }; static const struct mssr_mod_clk r8a779f0_mod_clks[] = { DEF_MOD("hscif0", 514, R8A779F0_CLK_SASYNCPERD1), DEF_MOD("hscif1", 515, R8A779F0_CLK_SASYNCPERD1), DEF_MOD("hscif2", 516, R8A779F0_CLK_SASYNCPERD1), DEF_MOD("hscif3", 517, R8A779F0_CLK_SASYNCPERD1), DEF_MOD("i2c0", 518, R8A779F0_CLK_S0D6_PER), DEF_MOD("i2c1", 519, R8A779F0_CLK_S0D6_PER), DEF_MOD("i2c2", 520, R8A779F0_CLK_S0D6_PER), DEF_MOD("i2c3", 521, R8A779F0_CLK_S0D6_PER), DEF_MOD("i2c4", 522, R8A779F0_CLK_S0D6_PER), DEF_MOD("i2c5", 523, R8A779F0_CLK_S0D6_PER), DEF_MOD("msiof0", 618, R8A779F0_CLK_MSO), DEF_MOD("msiof1", 619, R8A779F0_CLK_MSO), DEF_MOD("msiof2", 620, R8A779F0_CLK_MSO), DEF_MOD("msiof3", 621, R8A779F0_CLK_MSO), DEF_MOD("pcie0", 624, R8A779F0_CLK_S0D2), DEF_MOD("pcie1", 625, R8A779F0_CLK_S0D2), DEF_MOD("scif0", 702, R8A779F0_CLK_SASYNCPERD4), DEF_MOD("scif1", 703, R8A779F0_CLK_SASYNCPERD4), DEF_MOD("scif3", 704, R8A779F0_CLK_SASYNCPERD4), DEF_MOD("scif4", 705, R8A779F0_CLK_SASYNCPERD4), DEF_MOD("sdhi0", 706, R8A779F0_CLK_SD0), DEF_MOD("sys-dmac0", 709, R8A779F0_CLK_S0D3_PER), DEF_MOD("sys-dmac1", 710, R8A779F0_CLK_S0D3_PER), DEF_MOD("tmu0", 713, R8A779F0_CLK_SASYNCRT), DEF_MOD("tmu1", 714, R8A779F0_CLK_SASYNCPERD2), DEF_MOD("tmu2", 715, R8A779F0_CLK_SASYNCPERD2), DEF_MOD("tmu3", 716, R8A779F0_CLK_SASYNCPERD2), DEF_MOD("tmu4", 717, R8A779F0_CLK_SASYNCPERD2), DEF_MOD("wdt", 907, R8A779F0_CLK_R), DEF_MOD("cmt0", 910, R8A779F0_CLK_R), DEF_MOD("cmt1", 911, R8A779F0_CLK_R), DEF_MOD("cmt2", 912, R8A779F0_CLK_R), DEF_MOD("cmt3", 913, R8A779F0_CLK_R), DEF_MOD("pfc0", 915, R8A779F0_CLK_CL16M), DEF_MOD("tsc", 919, R8A779F0_CLK_CL16M), DEF_MOD("rswitch2", 1505, R8A779F0_CLK_RSW2), DEF_MOD("ether-serdes", 1506, R8A779F0_CLK_S0D2_HSC), DEF_MOD("ufs", 1514, R8A779F0_CLK_S0D4_HSC), }; /* * CPG Clock Data */ /* * MD EXTAL PLL1 PLL2 PLL3 PLL4 PLL5 PLL6 OSC * 14 13 (MHz) * ------------------------------------------------------------------------ * 0 0 16 / 1 x200 x150 x200 n/a x200 x134 /15 * 0 1 20 / 1 x160 x120 x160 n/a x160 x106 /19 * 1 0 Prohibited setting * 1 1 40 / 2 x160 x120 x160 n/a x160 x106 /38 */ #define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \ (((md) & BIT(13)) >> 13)) static const struct rcar_gen4_cpg_pll_config cpg_pll_configs[4] = { /* EXTAL div PLL1 mult/div PLL2 mult/div PLL3 mult/div PLL4 mult/div PLL5 mult/div PLL6 mult/div OSC prediv */ { 1, 200, 1, 150, 1, 200, 1, 0, 0, 200, 1, 134, 1, 15, }, { 1, 160, 1, 120, 1, 160, 1, 0, 0, 160, 1, 106, 1, 19, }, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, { 2, 160, 1, 120, 1, 160, 1, 0, 0, 160, 1, 106, 1, 38, }, }; /* * Note that the only clock left running before booting Linux are now * MFIS, INTC-AP, INTC-EX and HSCIF0/SCIF3 on S4 */ #define MSTPCR5_HSCIF0 BIT(14) #define MSTPCR7_SCIF3 BIT(4) /* No information: MFIS, INTC-AP, INTC-EX */ static const struct mstp_stop_table r8a779f0_mstp_table[] = { { 0x00000000, 0x0, 0x0, 0x0 }, { 0x00800000, 0x0, 0x0, 0x0 }, { 0x00000000, 0x0, 0x0, 0x0 }, { 0x00000000, 0x0, 0x0, 0x0 }, { 0x00000000, 0x0, 0x0, 0x0 }, { 0x0003c000, MSTPCR5_HSCIF0, 0x0, 0x0 }, { 0x03000000, 0x0, 0x0, 0x0 }, { 0x1ffbe040, MSTPCR7_SCIF3, 0x0, 0x0 }, { 0x00000000, 0x0, 0x0, 0x0 }, { 0x00003c78, 0x0, 0x0, 0x0 }, { 0x00000000, 0x0, 0x0, 0x0 }, { 0x00000000, 0x0, 0x0, 0x0 }, { 0x9e800000, 0x0, 0x0, 0x0 }, { 0x00000027, 0x0, 0x0, 0x0 }, { 0x00000000, 0x0, 0x0, 0x0 }, { 0x00005800, 0x0, 0x0, 0x0 }, }; static const void *r8a779f0_get_pll_config(const u32 cpg_mode) { return &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; } static const struct cpg_mssr_info r8a779f0_cpg_mssr_info = { .core_clk = r8a779f0_core_clks, .core_clk_size = ARRAY_SIZE(r8a779f0_core_clks), .mod_clk = r8a779f0_mod_clks, .mod_clk_size = ARRAY_SIZE(r8a779f0_mod_clks), .mstp_table = r8a779f0_mstp_table, .mstp_table_size = ARRAY_SIZE(r8a779f0_mstp_table), .reset_node = "renesas,r8a779f0-rst", .reset_modemr_offset = CPG_RST_MODEMR0, .extalr_node = "extalr", .mod_clk_base = MOD_CLK_BASE, .clk_extal_id = CLK_EXTAL, .clk_extalr_id = CLK_EXTALR, .get_pll_config = r8a779f0_get_pll_config, .reg_layout = CLK_REG_LAYOUT_RCAR_GEN4, }; static const struct udevice_id r8a779f0_cpg_ids[] = { { .compatible = "renesas,r8a779f0-cpg-mssr", .data = (ulong)&r8a779f0_cpg_mssr_info }, { } }; U_BOOT_DRIVER(cpg_r8a779f0) = { .name = "cpg_r8a779f0", .id = UCLASS_NOP, .of_match = r8a779f0_cpg_ids, .bind = gen3_cpg_bind, };