diff options
Diffstat (limited to 'drivers/clk/renesas/r8a779h0-cpg-mssr.c')
| -rw-r--r-- | drivers/clk/renesas/r8a779h0-cpg-mssr.c | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/drivers/clk/renesas/r8a779h0-cpg-mssr.c b/drivers/clk/renesas/r8a779h0-cpg-mssr.c new file mode 100644 index 00000000000..8bb7b41c787 --- /dev/null +++ b/drivers/clk/renesas/r8a779h0-cpg-mssr.c @@ -0,0 +1,293 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a779h0 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2023 Renesas Electronics Corp. + * + * Based on r8a779g0-cpg-mssr.c + */ + +#include <clk-uclass.h> +#include <dm.h> + +#include <dt-bindings/clock/renesas,r8a779h0-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 = R8A779H0_CLK_R, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL1, + CLK_PLL2, + CLK_PLL3, + CLK_PLL4, + CLK_PLL5, + CLK_PLL6, + CLK_PLL7, + CLK_PLL1_DIV2, + CLK_PLL2_DIV2, + CLK_PLL3_DIV2, + CLK_PLL4_DIV2, + CLK_PLL4_DIV5, + CLK_PLL5_DIV2, + CLK_PLL5_DIV4, + CLK_PLL6_DIV2, + CLK_PLL7_DIV2, + CLK_S0, + CLK_S0_VIO, + CLK_S0_VC, + CLK_S0_HSC, + CLK_SASYNCPER, + CLK_SV_VIP, + CLK_SV_IR, + CLK_IMPASRC, + CLK_IMPBSRC, + CLK_VIOSRC, + CLK_VCSRC, + CLK_SDSRC, + CLK_RPCSRC, + CLK_OCO, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a779h0_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(".pll4", CLK_PLL4, CLK_TYPE_GEN4_PLL4, 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_BASE(".pll7", CLK_PLL7, CLK_TYPE_GEN4_PLL7, 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(".pll4_div2", CLK_PLL4_DIV2, CLK_PLL4, 2, 1), + DEF_FIXED(".pll4_div5", CLK_PLL4_DIV5, CLK_PLL4, 5, 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(".pll7_div2", CLK_PLL7_DIV2, CLK_PLL7, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0_vio", CLK_S0_VIO, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0_vc", CLK_S0_VC, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0_hsc", CLK_S0_HSC, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".sasyncper", CLK_SASYNCPER, CLK_PLL5_DIV4, 3, 1), + DEF_FIXED(".sv_vip", CLK_SV_VIP, CLK_PLL1, 5, 1), + DEF_FIXED(".sv_ir", CLK_SV_IR, CLK_PLL1, 5, 1), + DEF_FIXED(".impasrc", CLK_IMPASRC, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".impbsrc", CLK_IMPBSRC, CLK_PLL1, 4, 1), + DEF_FIXED(".viosrc", CLK_VIOSRC, CLK_PLL1, 6, 1), + DEF_FIXED(".vcsrc", CLK_VCSRC, CLK_PLL1, 6, 1), + DEF_BASE(".sdsrc", CLK_SDSRC, CLK_TYPE_GEN4_SDSRC, CLK_PLL5), + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN4_RPCSRC, CLK_PLL5), + DEF_RATE(".oco", CLK_OCO, 32768), + + /* Core Clock Outputs */ + DEF_GEN4_Z("zc0", R8A779H0_CLK_ZC0, CLK_TYPE_GEN4_Z, CLK_PLL2_DIV2, 2, 0), + DEF_GEN4_Z("zc1", R8A779H0_CLK_ZC1, CLK_TYPE_GEN4_Z, CLK_PLL2_DIV2, 2, 8), + DEF_GEN4_Z("zc2", R8A779H0_CLK_ZC2, CLK_TYPE_GEN4_Z, CLK_PLL2_DIV2, 2, 32), + DEF_GEN4_Z("zc3", R8A779H0_CLK_ZC3, CLK_TYPE_GEN4_Z, CLK_PLL2_DIV2, 2, 40), + DEF_FIXED("s0d2", R8A779H0_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A779H0_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A779H0_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("cl16m", R8A779H0_CLK_CL16M, CLK_S0, 48, 1), + DEF_FIXED("s0d2_rt", R8A779H0_CLK_S0D2_RT, CLK_S0, 2, 1), + DEF_FIXED("s0d3_rt", R8A779H0_CLK_S0D3_RT, CLK_S0, 3, 1), + DEF_FIXED("s0d4_rt", R8A779H0_CLK_S0D4_RT, CLK_S0, 4, 1), + DEF_FIXED("s0d6_rt", R8A779H0_CLK_S0D6_RT, CLK_S0, 6, 1), + DEF_FIXED("cl16m_rt", R8A779H0_CLK_CL16M_RT, CLK_S0, 48, 1), + DEF_FIXED("s0d2_per", R8A779H0_CLK_S0D2_PER, CLK_S0, 2, 1), + DEF_FIXED("s0d3_per", R8A779H0_CLK_S0D3_PER, CLK_S0, 3, 1), + DEF_FIXED("s0d4_per", R8A779H0_CLK_S0D4_PER, CLK_S0, 4, 1), + DEF_FIXED("s0d6_per", R8A779H0_CLK_S0D6_PER, CLK_S0, 6, 1), + DEF_FIXED("s0d12_per", R8A779H0_CLK_S0D12_PER, CLK_S0, 12, 1), + DEF_FIXED("s0d24_per", R8A779H0_CLK_S0D24_PER, CLK_S0, 24, 1), + DEF_FIXED("cl16m_per", R8A779H0_CLK_CL16M_PER, CLK_S0, 48, 1), + DEF_FIXED("s0d2_mm", R8A779H0_CLK_S0D2_MM, CLK_S0, 2, 1), + DEF_FIXED("s0d4_mm", R8A779H0_CLK_S0D4_MM, CLK_S0, 4, 1), + DEF_FIXED("cl16m_mm", R8A779H0_CLK_CL16M_MM, CLK_S0, 48, 1), + DEF_FIXED("s0d2_u3dg", R8A779H0_CLK_S0D2_U3DG, CLK_S0, 2, 1), + DEF_FIXED("s0d4_u3dg", R8A779H0_CLK_S0D4_U3DG, CLK_S0, 4, 1), + DEF_FIXED("s0d1_vio", R8A779H0_CLK_S0D1_VIO, CLK_S0_VIO, 1, 1), + DEF_FIXED("s0d2_vio", R8A779H0_CLK_S0D2_VIO, CLK_S0_VIO, 2, 1), + DEF_FIXED("s0d4_vio", R8A779H0_CLK_S0D4_VIO, CLK_S0_VIO, 4, 1), + DEF_FIXED("s0d8_vio", R8A779H0_CLK_S0D8_VIO, CLK_S0_VIO, 8, 1), + DEF_FIXED("s0d1_vc", R8A779H0_CLK_S0D1_VC, CLK_S0_VC, 1, 1), + DEF_FIXED("s0d2_vc", R8A779H0_CLK_S0D2_VC, CLK_S0_VC, 2, 1), + DEF_FIXED("s0d4_vc", R8A779H0_CLK_S0D4_VC, CLK_S0_VC, 4, 1), + DEF_FIXED("s0d1_hsc", R8A779H0_CLK_S0D1_HSC, CLK_S0_HSC, 1, 1), + DEF_FIXED("s0d2_hsc", R8A779H0_CLK_S0D2_HSC, CLK_S0_HSC, 2, 1), + DEF_FIXED("s0d4_hsc", R8A779H0_CLK_S0D4_HSC, CLK_S0_HSC, 4, 1), + DEF_FIXED("s0d8_hsc", R8A779H0_CLK_S0D8_HSC, CLK_S0_HSC, 8, 1), + DEF_FIXED("cl16m_hsc", R8A779H0_CLK_CL16M_HSC, CLK_S0_HSC, 48, 1), + DEF_FIXED("sasyncrt", R8A779H0_CLK_SASYNCRT, CLK_PLL5_DIV4, 48, 1), + DEF_FIXED("sasyncperd1", R8A779H0_CLK_SASYNCPERD1, CLK_SASYNCPER, 1, 1), + DEF_FIXED("sasyncperd2", R8A779H0_CLK_SASYNCPERD2, CLK_SASYNCPER, 2, 1), + DEF_FIXED("sasyncperd4", R8A779H0_CLK_SASYNCPERD4, CLK_SASYNCPER, 4, 1), + DEF_FIXED("svd1_vip", R8A779H0_CLK_SVD1_VIP, CLK_SV_VIP, 1, 1), + DEF_FIXED("svd2_vip", R8A779H0_CLK_SVD2_VIP, CLK_SV_VIP, 2, 1), + DEF_FIXED("svd1_ir", R8A779H0_CLK_SVD1_IR, CLK_SV_IR, 1, 1), + DEF_FIXED("svd2_ir", R8A779H0_CLK_SVD2_IR, CLK_SV_IR, 2, 1), + DEF_FIXED("cbfusa", R8A779H0_CLK_CBFUSA, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A779H0_CLK_CPEX, CLK_EXTAL, 2, 1), + DEF_FIXED("cp", R8A779H0_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("impad1", R8A779H0_CLK_IMPAD1, CLK_IMPASRC, 1, 1), + DEF_FIXED("impad4", R8A779H0_CLK_IMPAD4, CLK_IMPASRC, 4, 1), + DEF_FIXED("impb", R8A779H0_CLK_IMPB, CLK_IMPBSRC, 1, 1), + DEF_FIXED("viobusd1", R8A779H0_CLK_VIOBUSD1, CLK_VIOSRC, 1, 1), + DEF_FIXED("viobusd2", R8A779H0_CLK_VIOBUSD2, CLK_VIOSRC, 2, 1), + DEF_FIXED("vcbusd1", R8A779H0_CLK_VCBUSD1, CLK_VCSRC, 1, 1), + DEF_FIXED("vcbusd2", R8A779H0_CLK_VCBUSD2, CLK_VCSRC, 2, 1), + DEF_DIV6P1("canfd", R8A779H0_CLK_CANFD, CLK_PLL5_DIV4, 0x878), + DEF_DIV6P1("csi", R8A779H0_CLK_CSI, CLK_PLL5_DIV4, 0x880), + DEF_FIXED("dsiref", R8A779H0_CLK_DSIREF, CLK_PLL5_DIV4, 48, 1), + DEF_DIV6P1("dsiext", R8A779H0_CLK_DSIEXT, CLK_PLL5_DIV4, 0x884), + DEF_DIV6P1("mso", R8A779H0_CLK_MSO, CLK_PLL5_DIV4, 0x87c), + + DEF_GEN4_SDH("sd0h", R8A779H0_CLK_SD0H, CLK_SDSRC, 0x870), + DEF_GEN4_SD("sd0", R8A779H0_CLK_SD0, R8A779H0_CLK_SD0H, 0x870), + + DEF_BASE("rpc", R8A779H0_CLK_RPC, CLK_TYPE_GEN4_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A779H0_CLK_RPCD2, CLK_TYPE_GEN4_RPCD2, R8A779H0_CLK_RPC), + + DEF_GEN4_OSC("osc", R8A779H0_CLK_OSC, CLK_EXTAL, 8), + DEF_GEN4_MDSEL("r", R8A779H0_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1), +}; + +static const struct mssr_mod_clk r8a779h0_mod_clks[] = { + DEF_MOD("avb0-rgmii0", 211, R8A779H0_CLK_S0D8_HSC), + DEF_MOD("avb1-rgmii1", 212, R8A779H0_CLK_S0D8_HSC), + DEF_MOD("avb2-rgmii2", 213, R8A779H0_CLK_S0D8_HSC), + DEF_MOD("hscif0", 514, R8A779H0_CLK_SASYNCPERD1), + DEF_MOD("hscif1", 515, R8A779H0_CLK_SASYNCPERD1), + DEF_MOD("hscif2", 516, R8A779H0_CLK_SASYNCPERD1), + DEF_MOD("hscif3", 517, R8A779H0_CLK_SASYNCPERD1), + DEF_MOD("i2c0", 518, R8A779H0_CLK_S0D6_PER), + DEF_MOD("i2c1", 519, R8A779H0_CLK_S0D6_PER), + DEF_MOD("i2c2", 520, R8A779H0_CLK_S0D6_PER), + DEF_MOD("i2c3", 521, R8A779H0_CLK_S0D6_PER), + DEF_MOD("rpc-if", 629, R8A779H0_CLK_RPCD2), + DEF_MOD("sdhi0", 706, R8A779H0_CLK_SD0), + DEF_MOD("pfc0", 915, R8A779H0_CLK_CL16M), + DEF_MOD("pfc1", 916, R8A779H0_CLK_CL16M), + DEF_MOD("pfc2", 917, R8A779H0_CLK_CL16M), +}; + +/* + * CPG Clock Data + */ +/* + * MD EXTAL PLL1 PLL2 PLL3 PLL4 PLL5 PLL6 OSC + * 14 13 (MHz) + * ------------------------------------------------------------------------ + * 0 0 16.66 / 1 x192 x204 x192 x144 x192 x168 /16 + * 0 1 20 / 1 x160 x170 x160 x120 x160 x140 /19 + * 1 0 Prohibited setting + * 1 1 33.33 / 2 x192 x204 x192 x144 x192 x168 /32 + */ +#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, 192, 1, 240, 1, 192, 1, 240, 1, 192, 1, 168, 1, 16, }, + { 1, 160, 1, 200, 1, 160, 1, 200, 1, 160, 1, 140, 1, 19, }, + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, + { 2, 192, 1, 240, 1, 192, 1, 240, 1, 192, 1, 168, 1, 32, }, +}; + +/* + * Note that the only clock left running before booting Linux are now + * MFIS, INTC-AP, INTC-EX, SCIF0, HSCIF0 on V4M + */ +#define MSTPCR5_INTCAP BIT(11) +#define MSTPCR5_HSCIF0 BIT(14) +#define MSTPCR6_INTCEX BIT(11) +#define MSTPCR7_SCIF0 BIT(2) + +static const struct mstp_stop_table r8a779h0_mstp_table[] = { + { 0x0FC102A1, 0x0, 0x0, 0x0 }, + { 0x00D50020, 0x0, 0x0, 0x0 }, + { 0x00003800, 0x0, 0x0, 0x0 }, + { 0xF0000000, 0x0, 0x0, 0x0 }, + { 0x0000CA01, 0x0, 0x0, 0x0 }, + { 0xE63FE100, MSTPCR5_HSCIF0 | MSTPCR5_INTCAP, 0x0, 0x0 }, + { 0xF1FF3900, MSTPCR6_INTCEX, 0x0, 0x0 }, + { 0xDFF7E6FC, MSTPCR7_SCIF0, 0x0, 0x0 }, + { 0x40003FFF, 0x0, 0x0, 0x0 }, + { 0x001BBCF8, 0x0, 0x0, 0x0 }, + { 0x10000000, 0x0, 0x0, 0x0 }, + { 0x00000001, 0x0, 0x0, 0x0 }, + { 0xDE000000, 0x0, 0x0, 0x0 }, + { 0x00000017, 0x0, 0x0, 0x0 }, + { 0x00000000, 0x0, 0x0, 0x0 }, + { 0x00000000, 0x0, 0x0, 0x0 }, + { 0x00000000, 0x0, 0x0, 0x0 }, + { 0x00000000, 0x0, 0x0, 0x0 }, + { 0x00000000, 0x0, 0x0, 0x0 }, + { 0x00000000, 0x0, 0x0, 0x0 }, + { 0x00000000, 0x0, 0x0, 0x0 }, + { 0x00000000, 0x0, 0x0, 0x0 }, + { 0x00000000, 0x0, 0x0, 0x0 }, + { 0x00000000, 0x0, 0x0, 0x0 }, + { 0x00000000, 0x0, 0x0, 0x0 }, + { 0x00000000, 0x0, 0x0, 0x0 }, + { 0x00000000, 0x0, 0x0, 0x0 }, + { 0x308003C0, 0x0, 0x0, 0x0 }, + { 0x402200E6, 0x0, 0x0, 0x0 }, + { 0x0C000000, 0x0, 0x0, 0x0 }, +}; + +static const void *r8a779h0_get_pll_config(const u32 cpg_mode) +{ + return &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; +} + +static const struct cpg_mssr_info r8a779h0_cpg_mssr_info = { + .core_clk = r8a779h0_core_clks, + .core_clk_size = ARRAY_SIZE(r8a779h0_core_clks), + .mod_clk = r8a779h0_mod_clks, + .mod_clk_size = ARRAY_SIZE(r8a779h0_mod_clks), + .mstp_table = r8a779h0_mstp_table, + .mstp_table_size = ARRAY_SIZE(r8a779h0_mstp_table), + .reset_node = "renesas,r8a779h0-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 = r8a779h0_get_pll_config, + .reg_layout = CLK_REG_LAYOUT_RCAR_GEN4, +}; + +static const struct udevice_id r8a779h0_cpg_ids[] = { + { + .compatible = "renesas,r8a779h0-cpg-mssr", + .data = (ulong)&r8a779h0_cpg_mssr_info + }, + { } +}; + +U_BOOT_DRIVER(clk_r8a779h0) = { + .name = "cpg_r8a779h0", + .id = UCLASS_NOP, + .of_match = r8a779h0_cpg_ids, + .bind = gen3_cpg_bind, +}; |