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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/clk/renesas/r8a779g0-cpg-mssr.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/clk/renesas/r8a779g0-cpg-mssr.c')
-rw-r--r-- | drivers/clk/renesas/r8a779g0-cpg-mssr.c | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/drivers/clk/renesas/r8a779g0-cpg-mssr.c b/drivers/clk/renesas/r8a779g0-cpg-mssr.c new file mode 100644 index 0000000000..7cc580d673 --- /dev/null +++ b/drivers/clk/renesas/r8a779g0-cpg-mssr.c @@ -0,0 +1,301 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a779g0 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2022 Renesas Electronics Corp. + * + * Based on r8a779f0-cpg-mssr.c + */ + +#include <linux/bitfield.h> +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a779g0-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen4-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A779G0_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_PLL1_DIV2, + CLK_PLL2_DIV2, + CLK_PLL3_DIV2, + CLK_PLL4_DIV2, + CLK_PLL5_DIV2, + CLK_PLL5_DIV4, + CLK_PLL6_DIV2, + CLK_S0, + CLK_S0_VIO, + CLK_S0_VC, + CLK_S0_HSC, + CLK_SASYNCPER, + CLK_SV_VIP, + CLK_SV_IR, + CLK_SDSRC, + CLK_RPCSRC, + CLK_VIO, + CLK_VC, + CLK_OCO, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a779g0_core_clks[] __initconst = { + /* 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_VAR, 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_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(".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(".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_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), + DEF_FIXED(".vio", CLK_VIO, CLK_PLL5_DIV2, 3, 1), + DEF_FIXED(".vc", CLK_VC, CLK_PLL5_DIV2, 3, 1), + + /* Core Clock Outputs */ + DEF_GEN4_Z("z0", R8A779G0_CLK_Z0, CLK_TYPE_GEN4_Z, CLK_PLL2, 2, 0), + DEF_FIXED("s0d2", R8A779G0_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A779G0_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A779G0_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("cl16m", R8A779G0_CLK_CL16M, CLK_S0, 48, 1), + DEF_FIXED("s0d1_vio", R8A779G0_CLK_S0D1_VIO, CLK_S0_VIO, 1, 1), + DEF_FIXED("s0d2_vio", R8A779G0_CLK_S0D2_VIO, CLK_S0_VIO, 2, 1), + DEF_FIXED("s0d4_vio", R8A779G0_CLK_S0D4_VIO, CLK_S0_VIO, 4, 1), + DEF_FIXED("s0d8_vio", R8A779G0_CLK_S0D8_VIO, CLK_S0_VIO, 8, 1), + DEF_FIXED("s0d1_vc", R8A779G0_CLK_S0D1_VC, CLK_S0_VC, 1, 1), + DEF_FIXED("s0d2_vc", R8A779G0_CLK_S0D2_VC, CLK_S0_VC, 2, 1), + DEF_FIXED("s0d4_vc", R8A779G0_CLK_S0D4_VC, CLK_S0_VC, 4, 1), + DEF_FIXED("s0d2_mm", R8A779G0_CLK_S0D2_MM, CLK_S0, 2, 1), + DEF_FIXED("s0d4_mm", R8A779G0_CLK_S0D4_MM, CLK_S0, 4, 1), + DEF_FIXED("cl16m_mm", R8A779G0_CLK_CL16M_MM, CLK_S0, 48, 1), + DEF_FIXED("s0d2_u3dg", R8A779G0_CLK_S0D2_U3DG, CLK_S0, 2, 1), + DEF_FIXED("s0d4_u3dg", R8A779G0_CLK_S0D4_U3DG, CLK_S0, 4, 1), + DEF_FIXED("s0d2_rt", R8A779G0_CLK_S0D2_RT, CLK_S0, 2, 1), + DEF_FIXED("s0d3_rt", R8A779G0_CLK_S0D3_RT, CLK_S0, 3, 1), + DEF_FIXED("s0d4_rt", R8A779G0_CLK_S0D4_RT, CLK_S0, 4, 1), + DEF_FIXED("s0d6_rt", R8A779G0_CLK_S0D6_RT, CLK_S0, 6, 1), + DEF_FIXED("s0d24_rt", R8A779G0_CLK_S0D24_RT, CLK_S0, 24, 1), + DEF_FIXED("cl16m_rt", R8A779G0_CLK_CL16M_RT, CLK_S0, 48, 1), + DEF_FIXED("s0d2_per", R8A779G0_CLK_S0D2_PER, CLK_S0, 2, 1), + DEF_FIXED("s0d3_per", R8A779G0_CLK_S0D3_PER, CLK_S0, 3, 1), + DEF_FIXED("s0d4_per", R8A779G0_CLK_S0D4_PER, CLK_S0, 4, 1), + DEF_FIXED("s0d6_per", R8A779G0_CLK_S0D6_PER, CLK_S0, 6, 1), + DEF_FIXED("s0d12_per", R8A779G0_CLK_S0D12_PER, CLK_S0, 12, 1), + DEF_FIXED("s0d24_per", R8A779G0_CLK_S0D24_PER, CLK_S0, 24, 1), + DEF_FIXED("cl16m_per", R8A779G0_CLK_CL16M_PER, CLK_S0, 48, 1), + DEF_FIXED("s0d1_hsc", R8A779G0_CLK_S0D1_HSC, CLK_S0_HSC, 1, 1), + DEF_FIXED("s0d2_hsc", R8A779G0_CLK_S0D2_HSC, CLK_S0_HSC, 2, 1), + DEF_FIXED("s0d4_hsc", R8A779G0_CLK_S0D4_HSC, CLK_S0_HSC, 4, 1), + DEF_FIXED("cl16m_hsc", R8A779G0_CLK_CL16M_HSC, CLK_S0_HSC, 48, 1), + DEF_FIXED("s0d2_cc", R8A779G0_CLK_S0D2_CC, CLK_S0, 2, 1), + DEF_FIXED("sasyncrt", R8A779G0_CLK_SASYNCRT, CLK_PLL5_DIV4, 48, 1), + DEF_FIXED("sasyncperd1",R8A779G0_CLK_SASYNCPERD1, CLK_SASYNCPER,1, 1), + DEF_FIXED("sasyncperd2",R8A779G0_CLK_SASYNCPERD2, CLK_SASYNCPER,2, 1), + DEF_FIXED("sasyncperd4",R8A779G0_CLK_SASYNCPERD4, CLK_SASYNCPER,4, 1), + DEF_FIXED("svd1_ir", R8A779G0_CLK_SVD1_IR, CLK_SV_IR, 1, 1), + DEF_FIXED("svd2_ir", R8A779G0_CLK_SVD2_IR, CLK_SV_IR, 2, 1), + DEF_FIXED("svd1_vip", R8A779G0_CLK_SVD1_VIP, CLK_SV_VIP, 1, 1), + DEF_FIXED("svd2_vip", R8A779G0_CLK_SVD2_VIP, CLK_SV_VIP, 2, 1), + DEF_FIXED("cbfusa", R8A779G0_CLK_CBFUSA, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A779G0_CLK_CPEX, CLK_EXTAL, 2, 1), + DEF_FIXED("viobus", R8A779G0_CLK_VIOBUS, CLK_VIO, 1, 1), + DEF_FIXED("viobusd2", R8A779G0_CLK_VIOBUSD2, CLK_VIO, 2, 1), + DEF_FIXED("vcbus", R8A779G0_CLK_VCBUS, CLK_VC, 1, 1), + DEF_FIXED("vcbusd2", R8A779G0_CLK_VCBUSD2, CLK_VC, 2, 1), + DEF_DIV6P1("canfd", R8A779G0_CLK_CANFD, CLK_PLL5_DIV4, 0x878), + DEF_DIV6P1("csi", R8A779G0_CLK_CSI, CLK_PLL5_DIV4, 0x880), + DEF_FIXED("dsiref", R8A779G0_CLK_DSIREF, CLK_PLL5_DIV4, 48, 1), + DEF_DIV6P1("dsiext", R8A779G0_CLK_DSIEXT, CLK_PLL5_DIV4, 0x884), + + DEF_GEN4_SDH("sd0h", R8A779G0_CLK_SD0H, CLK_SDSRC, 0x870), + DEF_GEN4_SD("sd0", R8A779G0_CLK_SD0, R8A779G0_CLK_SD0H, 0x870), + DEF_DIV6P1("mso", R8A779G0_CLK_MSO, CLK_PLL5_DIV4, 0x87c), + + DEF_BASE("rpc", R8A779G0_CLK_RPC, CLK_TYPE_GEN4_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A779G0_CLK_RPCD2, CLK_TYPE_GEN4_RPCD2, R8A779G0_CLK_RPC), + + DEF_GEN4_OSC("osc", R8A779G0_CLK_OSC, CLK_EXTAL, 8), + DEF_GEN4_MDSEL("r", R8A779G0_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1), +}; + +static const struct mssr_mod_clk r8a779g0_mod_clks[] __initconst = { + DEF_MOD("avb0", 211, R8A779G0_CLK_S0D4_HSC), + DEF_MOD("avb1", 212, R8A779G0_CLK_S0D4_HSC), + DEF_MOD("avb2", 213, R8A779G0_CLK_S0D4_HSC), + DEF_MOD("canfd0", 328, R8A779G0_CLK_SASYNCPERD2), + DEF_MOD("csi40", 331, R8A779G0_CLK_CSI), + DEF_MOD("csi41", 400, R8A779G0_CLK_CSI), + DEF_MOD("dis0", 411, R8A779G0_CLK_VIOBUSD2), + DEF_MOD("dsitxlink0", 415, R8A779G0_CLK_VIOBUSD2), + DEF_MOD("dsitxlink1", 416, R8A779G0_CLK_VIOBUSD2), + DEF_MOD("fcpvd0", 508, R8A779G0_CLK_VIOBUSD2), + DEF_MOD("fcpvd1", 509, R8A779G0_CLK_VIOBUSD2), + DEF_MOD("hscif0", 514, R8A779G0_CLK_SASYNCPERD1), + DEF_MOD("hscif1", 515, R8A779G0_CLK_SASYNCPERD1), + DEF_MOD("hscif2", 516, R8A779G0_CLK_SASYNCPERD1), + DEF_MOD("hscif3", 517, R8A779G0_CLK_SASYNCPERD1), + DEF_MOD("i2c0", 518, R8A779G0_CLK_S0D6_PER), + DEF_MOD("i2c1", 519, R8A779G0_CLK_S0D6_PER), + DEF_MOD("i2c2", 520, R8A779G0_CLK_S0D6_PER), + DEF_MOD("i2c3", 521, R8A779G0_CLK_S0D6_PER), + DEF_MOD("i2c4", 522, R8A779G0_CLK_S0D6_PER), + DEF_MOD("i2c5", 523, R8A779G0_CLK_S0D6_PER), + DEF_MOD("irqc", 611, R8A779G0_CLK_CL16M), + DEF_MOD("ispcs0", 612, R8A779G0_CLK_S0D2_VIO), + DEF_MOD("ispcs1", 613, R8A779G0_CLK_S0D2_VIO), + DEF_MOD("msi0", 618, R8A779G0_CLK_MSO), + DEF_MOD("msi1", 619, R8A779G0_CLK_MSO), + DEF_MOD("msi2", 620, R8A779G0_CLK_MSO), + DEF_MOD("msi3", 621, R8A779G0_CLK_MSO), + DEF_MOD("msi4", 622, R8A779G0_CLK_MSO), + DEF_MOD("msi5", 623, R8A779G0_CLK_MSO), + DEF_MOD("pwm", 628, R8A779G0_CLK_SASYNCPERD4), + DEF_MOD("rpc-if", 629, R8A779G0_CLK_RPCD2), + DEF_MOD("scif0", 702, R8A779G0_CLK_SASYNCPERD4), + DEF_MOD("scif1", 703, R8A779G0_CLK_SASYNCPERD4), + DEF_MOD("scif3", 704, R8A779G0_CLK_SASYNCPERD4), + DEF_MOD("scif4", 705, R8A779G0_CLK_SASYNCPERD4), + DEF_MOD("sdhi", 706, R8A779G0_CLK_SD0), + DEF_MOD("sys-dmac0", 709, R8A779G0_CLK_S0D6_PER), + DEF_MOD("sys-dmac1", 710, R8A779G0_CLK_S0D6_PER), + DEF_MOD("tmu0", 713, R8A779G0_CLK_SASYNCRT), + DEF_MOD("tmu1", 714, R8A779G0_CLK_SASYNCPERD2), + DEF_MOD("tmu2", 715, R8A779G0_CLK_SASYNCPERD2), + DEF_MOD("tmu3", 716, R8A779G0_CLK_SASYNCPERD2), + DEF_MOD("tmu4", 717, R8A779G0_CLK_SASYNCPERD2), + DEF_MOD("tpu0", 718, R8A779G0_CLK_SASYNCPERD4), + DEF_MOD("vin00", 730, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin01", 731, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin02", 800, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin03", 801, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin04", 802, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin05", 803, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin06", 804, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin07", 805, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin10", 806, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin11", 807, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin12", 808, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin13", 809, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin14", 810, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin15", 811, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin16", 812, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin17", 813, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vspd0", 830, R8A779G0_CLK_VIOBUSD2), + DEF_MOD("vspd1", 831, R8A779G0_CLK_VIOBUSD2), + DEF_MOD("wdt1:wdt0", 907, R8A779G0_CLK_R), + DEF_MOD("cmt0", 910, R8A779G0_CLK_R), + DEF_MOD("cmt1", 911, R8A779G0_CLK_R), + DEF_MOD("cmt2", 912, R8A779G0_CLK_R), + DEF_MOD("cmt3", 913, R8A779G0_CLK_R), + DEF_MOD("pfc0", 915, R8A779G0_CLK_CL16M), + DEF_MOD("pfc1", 916, R8A779G0_CLK_CL16M), + DEF_MOD("pfc2", 917, R8A779G0_CLK_CL16M), + DEF_MOD("pfc3", 918, R8A779G0_CLK_CL16M), + DEF_MOD("tsc", 919, R8A779G0_CLK_CL16M), + DEF_MOD("ssiu", 2926, R8A779G0_CLK_S0D6_PER), + DEF_MOD("ssi", 2927, R8A779G0_CLK_S0D6_PER), +}; + +/* + * 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, 204, 1, 192, 1, 144, 1, 192, 1, 168, 1, 16, }, + { 1, 160, 1, 170, 1, 160, 1, 120, 1, 160, 1, 140, 1, 19, }, + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, + { 2, 192, 1, 204, 1, 192, 1, 144, 1, 192, 1, 168, 1, 32, }, +}; + +static int __init r8a779g0_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen4_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + if (!cpg_pll_config->extal_div) { + dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode); + return -EINVAL; + } + + return rcar_gen4_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a779g0_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a779g0_core_clks, + .num_core_clks = ARRAY_SIZE(r8a779g0_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a779g0_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a779g0_mod_clks), + .num_hw_mod_clks = 30 * 32, + + /* Callbacks */ + .init = r8a779g0_cpg_mssr_init, + .cpg_clk_register = rcar_gen4_cpg_clk_register, + + .reg_layout = CLK_REG_LAYOUT_RCAR_GEN4, +}; |