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Merge tag 'renesas-clk-for-v6.9-tag1' of git://git.kernel.org/pub/scm…
…/linux/kernel/git/geert/renesas-drivers into clk-renesas Pull Renesas clk driver updates from Geert Uytterhoeven: - Ignore all clocks which are assigned to a non-Linux system - Add watchdog clock on RZ/G3S - Add camera (CRU) clock and reset on RZ/G2UL - Add support for the R-Car V4M (R8A779H0) SoC - Miscellaneous fixes and improvements * tag 'renesas-clk-for-v6.9-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers: clk: renesas: r8a779h0: Add I2C clocks clk: renesas: r8a779h0: Add watchdog clock clk: renesas: r8a779h0: Add PFC/GPIO clocks clk: renesas: r8a779g0: Fix PCIe clock name clk: renesas: cpg-mssr: Add support for R-Car V4M clk: renesas: rcar-gen4: Add support for FRQCRC1 clk: renesas: r9a07g043: Add clock and reset entries for CRU clk: renesas: r9a08g045: Add clock and reset support for watchdog dt-bindings: clock: Add R8A779H0 V4M CPG Core Clock Definitions dt-bindings: clock: renesas,cpg-mssr: Document R-Car V4M support dt-bindings: power: Add r8a779h0 SYSC power domain definitions dt-bindings: power: renesas,rcar-sysc: Document R-Car V4M support clk: renesas: mstp: Remove obsolete clkdev registration clk: renesas: cpg-mssr: Ignore all clocks assigned to non-Linux system of: Add for_each_reserved_child_of_node() of: Add of_get_next_status_child() and makes more generic of_get_next of: Add __of_device_is_status() and makes more generic status check
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// 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 | ||
*/ | ||
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#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> | ||
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#include <dt-bindings/clock/renesas,r8a779h0-cpg-mssr.h> | ||
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#include "renesas-cpg-mssr.h" | ||
#include "rcar-gen4-cpg.h" | ||
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enum clk_ids { | ||
/* Core Clock Outputs exported to DT */ | ||
LAST_DT_CORE_CLK = R8A779H0_CLK_R, | ||
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/* External Input Clocks */ | ||
CLK_EXTAL, | ||
CLK_EXTALR, | ||
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/* 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_PLL4_DIV5, | ||
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_IMPASRC, | ||
CLK_IMPBSRC, | ||
CLK_VIOSRC, | ||
CLK_VCSRC, | ||
CLK_SDSRC, | ||
CLK_RPCSRC, | ||
CLK_OCO, | ||
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/* Module Clocks */ | ||
MOD_CLK_BASE | ||
}; | ||
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static const struct cpg_core_clk r8a779h0_core_clks[] = { | ||
/* External Clock Inputs */ | ||
DEF_INPUT("extal", CLK_EXTAL), | ||
DEF_INPUT("extalr", CLK_EXTALR), | ||
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/* 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), | ||
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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(".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), | ||
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/* 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), | ||
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DEF_GEN4_SDH("sd0h", R8A779H0_CLK_SD0H, CLK_SDSRC, 0x870), | ||
DEF_GEN4_SD("sd0", R8A779H0_CLK_SD0, R8A779H0_CLK_SD0H, 0x870), | ||
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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), | ||
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DEF_GEN4_OSC("osc", R8A779H0_CLK_OSC, CLK_EXTAL, 8), | ||
DEF_GEN4_MDSEL("r", R8A779H0_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1), | ||
}; | ||
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static const struct mssr_mod_clk r8a779h0_mod_clks[] = { | ||
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("wdt1:wdt0", 907, R8A779H0_CLK_R), | ||
DEF_MOD("pfc0", 915, R8A779H0_CLK_CP), | ||
DEF_MOD("pfc1", 916, R8A779H0_CLK_CP), | ||
DEF_MOD("pfc2", 917, R8A779H0_CLK_CP), | ||
}; | ||
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/* | ||
* 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)) | ||
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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, }, | ||
}; | ||
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static int __init r8a779h0_cpg_mssr_init(struct device *dev) | ||
{ | ||
const struct rcar_gen4_cpg_pll_config *cpg_pll_config; | ||
u32 cpg_mode; | ||
int error; | ||
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error = rcar_rst_read_mode_pins(&cpg_mode); | ||
if (error) | ||
return error; | ||
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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; | ||
} | ||
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return rcar_gen4_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); | ||
} | ||
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const struct cpg_mssr_info r8a779h0_cpg_mssr_info __initconst = { | ||
/* Core Clocks */ | ||
.core_clks = r8a779h0_core_clks, | ||
.num_core_clks = ARRAY_SIZE(r8a779h0_core_clks), | ||
.last_dt_core_clk = LAST_DT_CORE_CLK, | ||
.num_total_core_clks = MOD_CLK_BASE, | ||
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/* Module Clocks */ | ||
.mod_clks = r8a779h0_mod_clks, | ||
.num_mod_clks = ARRAY_SIZE(r8a779h0_mod_clks), | ||
.num_hw_mod_clks = 30 * 32, | ||
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/* Callbacks */ | ||
.init = r8a779h0_cpg_mssr_init, | ||
.cpg_clk_register = rcar_gen4_cpg_clk_register, | ||
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.reg_layout = CLK_REG_LAYOUT_RCAR_GEN4, | ||
}; |
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