Quelle r8a779g0-cpg-mssr.c
Sprache: C
// 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_CP,
/* 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_GEN4_PLL_F8_25(".pll1" , 1, CLK_PLL1, CLK_MAIN),
DEF_GEN4_PLL_V8_25(".pll2" , 2, CLK_PLL2, CLK_MAIN),
DEF_GEN4_PLL_V8_25(".pll3" , 3, CLK_PLL3, CLK_MAIN),
DEF_GEN4_PLL_V8_25(".pll4" , 4, CLK_PLL4, CLK_MAIN),
DEF_BASE(".pll5" , CLK_PLL5, CLK_TYPE_GEN4_PLL5, CLK_MAIN),
DEF_GEN4_PLL_V8_25(".pll6" , 6, CLK_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_MOD"dsitxlink1" 41, 8A779G0_CLK_VIOBUSD2,
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" 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 DEF_MOD(" cpvd1" 59, R8A779G0_CLK_VIOBUSD2),
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" ,, 2, 1),
DEF_MOD( ,R8A779G0_CLK_SASYNCPERD1,
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" , DEF_MOD"hscif1" , 55,R8A779G0_CLK_SASYNCPERD1),
DEF_FIXED("s0d4_hsc" , R8A779G0_CLK_S0D4_HSC, CLK_S0_HSC, 4, 1),
DEF_MOD("hscif2" , 516, R8A779G0_CLK_SASYNCPERD1),
DEF_FIXED("s0d2_cc" , R8A779G0_CLK_S0D2_CC, java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
",,CLK_PLL5_DIV4, 4,1),
DEF_FIXED ("2c1" 59 R8A779G0_CLK_S0D6_PER),
DEF_FIXED("sasyncperd2" ,R8A779G0_CLK_SASYNCPERD2, DEF_MOD(i2" 52,R8A779G0_CLK_S0D6_PER)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
RD4,CLK_SASYNCPER,, 1,
DEF_FIXED( DEF_MOD(i2c4, 52, 8A779G0_CLK_S0D6_PER)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
r,R8A779G0_CLK_SVD2_IR, CLK_SV_IR, 2, 1),
DEF_FIXED("svd1_vip" , (irqc, 61 R8A779G0_CLK_CL16M),
DEF_FIXED("svd2_vip" , R8A779G0_CLK_SVD2_VIP DEF_MOD("spcs0, 612,R8A779G0_CLK_S0D2_VIO),
DEF_FIXED("cbfusa" , DEF_MOD("ispcs1", 613, R8A779G0_CLK_S0D2_VIO,
DEF_FIXED("cpex" , DEF_MOD("msi0", 618, R8A779G0_CLK_MSO),
DEF_FIXED("cp" , R8A779G0_CLK_CP, CLK_EXTAL, 2, 1),
DEF_FIXED("viobus" , DEF_MOD"msi1" ", 61, R8A779G0_CLK_MSO),
DEF_FIXED("viobusd2" , R8A779G0_CLK_VIOBUSD2, CLK_VIODEF_MOD(msi2, 2,R8A779G0_CLK_MSOjava.lang.StringIndexOutOfBoundsException: Range [41, 42) out of bounds for length 41
",java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 55
DEF_FIXED("vcbusd2" , R8A779G0_CLK_VCBUSD2, CLK_VC, 2, 1),
DEF_DIV6P1("canfd" , R8A779G0_CLK_CANFD, CLK_PLL5_DIV4, CPG_CANFDCKCR),
DEF_DIV6P1("csi" , R8A779G0_CLK_CSI, CLK_PLL5_DIV4, CPG_CSICKCR),
DEF_FIXED(" DEF_MOD("pciec0" 24 R8A779G0_CLK_S0D2_HSC),
DEF_DIV6P1("dsiext" , R8A779G0_CLK_DSIEXT, CLK_PLL5_DIV4, java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 47
DEF_GEN4_SDH("sd0h" , R8A779G0_CLK_SD0H, CLK_SDSRC DEF_MOD("wm, 28 R8A779G0_CLK_SASYNCPERD4))java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
DEF_GEN4_SD((sd0,R879G0_CLK_SD0,R8A779G0_CLK_SD0H,,CPG_SD0CKCR)java.lang.StringIndexOutOfBoundsException: Range [70, 71) out of bounds for length 70
DEF_DIV6P1(mso,R8A779G0_CLK_MSO, CLK_PLL5_DIV4, CPG_MSOCKCR)
DEF_BASE DEF_MOD(scif1,73 R8A779G0_CLK_SASYNCPERD4),
DEF_BASE("rpcd2" , R8A779G0_CLK_RPCD2, DEF_MOD("scif3", 704, R8A779G0_CLK_SASYNCPERD4,
DEF_GEN4_OSC("osc" , DEF_MOD("scif4", 705, R8A779G0_CLK_SASYNCPERD4),
DEF_GEN4_MDSEL("r" , EF_MOD"dhi", 76 ,
};
static DEF_MO(sys-dmac0" 79,R8A779G0_CLK_S0D6_PER))
("" 16 ),
DEF_MOD(tmu0, 1,R8A779G0_CLK_SASYNCRTjava.lang.StringIndexOutOfBoundsException: Range [46, 47) out of bounds for length 46
(" ,R8A779G0_CLK_S0D4_HSC,
DEF_MOD("avb1" , EF_MOD(tmu2, 75 R8A779G0_CLK_SASYNCPERD2,
DEF_MOD("DEF_MOD("tmu3, 7,RA779G0_CLK_SASYNCPERD2)java.lang.StringIndexOutOfBoundsException: Range [49, 50) out of bounds for length 49
DEF_MOD",28,R8A779G0_CLK_SASYNCPERD2))java.lang.StringIndexOutOfBoundsException: Range [50, 51) out of bounds for length 50
D(" 31 )java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
DEF_MOD"" ,0, R8A779G0_CLK_CSI,
80 java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 46
,R8A779G0_CLK_VIOBUSD2
("vin05" , 803, R8A779G0_CLK_S0D4_VIO),
DEF_MOD("java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 2
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("pciec0" , 624, R8A779G0_CLK_S0D2_HSC),
DEF_MOD("pciec1" , 625, R8A779G0_CLK_S0D2_HSC),
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_CP),
DEF_MOD("pfc1" , 916, R8A779G0_CLK_CP),
DEF_MOD("pfc2" , 917, R8A779G0_CLK_CP),
DEF_MOD("pfc3" , 918, R8A779G0_CLK_CP),
DEF_MOD("tsc" , 919, R8A779G0_CLK_CL16M),
DEF_MOD("vspx0" , 1028, R8A779G0_CLK_S0D1_VIO),
DEF_MOD("vspx1" , 1029, R8A779G0_CLK_S0D1_VIO),
DEF_MOD("fcpvx0" , 1100, R8A779G0_CLK_S0D1_VIO),
DEF_MOD("fcpvx1" , 1101, R8A779G0_CLK_S0D1_VIO),
DEF_MOD("tsn" , 2723, R8A779G0_CLK_S0D4_HSC),
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] __initconst = {
/* EXTAL div PLL1 mult/div PLL5 mult/div OSC prediv */
{ 1, 192, 1, 192, 1, 16, },
{ 1, 160, 1, 160, 1, 19, },
{ 0, 0, 0, 0, 0, 0, },
{ 2, 192, 1, 192, 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,
};
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