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linux/drivers/clk/renesas/r8a779a0-cpg-mssr.c
Geert Uytterhoeven 880c3fa319 clk: renesas: Move RPC core clocks 
The RPC and RPCD2 core clocks were added to the sections for internal
core clocks, while they are core clock outputs, visible from DT.

Move them to the correct sections.
Rename the ".rpc" clock on R-Car S4 to "rpc".
Fixup nearby whitespace to increase uniformity.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/a938b938f00939b9206d7fbaba78e2ef09915f5f.1649681891.git.geert+renesas@glider.be
2022-04-13 12:27:45 +02:00

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// SPDX-License-Identifier: GPL-2.0
/*
* r8a779a0 Clock Pulse Generator / Module Standby and Software Reset
*
* Copyright (C) 2020 Renesas Electronics Corp.
*
* Based on r8a7795-cpg-mssr.c
*
* Copyright (C) 2015 Glider bvba
* Copyright (C) 2015 Renesas Electronics Corp.
*/
#include <linux/bitfield.h>
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/soc/renesas/rcar-rst.h>
#include <dt-bindings/clock/r8a779a0-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 = R8A779A0_CLK_OSC,
/* External Input Clocks */
CLK_EXTAL,
CLK_EXTALR,
/* Internal Core Clocks */
CLK_MAIN,
CLK_PLL1,
CLK_PLL20,
CLK_PLL21,
CLK_PLL30,
CLK_PLL31,
CLK_PLL5,
CLK_PLL1_DIV2,
CLK_PLL20_DIV2,
CLK_PLL21_DIV2,
CLK_PLL30_DIV2,
CLK_PLL31_DIV2,
CLK_PLL5_DIV2,
CLK_PLL5_DIV4,
CLK_S1,
CLK_S3,
CLK_SDSRC,
CLK_RPCSRC,
CLK_OCO,
/* Module Clocks */
MOD_CLK_BASE
};
#define DEF_PLL(_name, _id, _offset) \
DEF_BASE(_name, _id, CLK_TYPE_GEN4_PLL2X_3X, CLK_MAIN, \
.offset = _offset)
static const struct cpg_core_clk r8a779a0_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(".pll5", CLK_PLL5, CLK_TYPE_GEN4_PLL5, CLK_MAIN),
DEF_PLL(".pll20", CLK_PLL20, 0x0834),
DEF_PLL(".pll21", CLK_PLL21, 0x0838),
DEF_PLL(".pll30", CLK_PLL30, 0x083c),
DEF_PLL(".pll31", CLK_PLL31, 0x0840),
DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1),
DEF_FIXED(".pll20_div2", CLK_PLL20_DIV2, CLK_PLL20, 2, 1),
DEF_FIXED(".pll21_div2", CLK_PLL21_DIV2, CLK_PLL21, 2, 1),
DEF_FIXED(".pll30_div2", CLK_PLL30_DIV2, CLK_PLL30, 2, 1),
DEF_FIXED(".pll31_div2", CLK_PLL31_DIV2, CLK_PLL31, 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(".s1", CLK_S1, CLK_PLL1_DIV2, 2, 1),
DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 4, 1),
DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL5_DIV4, 1, 1),
DEF_RATE(".oco", CLK_OCO, 32768),
DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN4_RPCSRC, CLK_PLL5),
/* Core Clock Outputs */
DEF_GEN4_Z("z0", R8A779A0_CLK_Z0, CLK_TYPE_GEN4_Z, CLK_PLL20, 2, 0),
DEF_GEN4_Z("z1", R8A779A0_CLK_Z1, CLK_TYPE_GEN4_Z, CLK_PLL21, 2, 8),
DEF_FIXED("zx", R8A779A0_CLK_ZX, CLK_PLL20_DIV2, 2, 1),
DEF_FIXED("s1d1", R8A779A0_CLK_S1D1, CLK_S1, 1, 1),
DEF_FIXED("s1d2", R8A779A0_CLK_S1D2, CLK_S1, 2, 1),
DEF_FIXED("s1d4", R8A779A0_CLK_S1D4, CLK_S1, 4, 1),
DEF_FIXED("s1d8", R8A779A0_CLK_S1D8, CLK_S1, 8, 1),
DEF_FIXED("s1d12", R8A779A0_CLK_S1D12, CLK_S1, 12, 1),
DEF_FIXED("s3d1", R8A779A0_CLK_S3D1, CLK_S3, 1, 1),
DEF_FIXED("s3d2", R8A779A0_CLK_S3D2, CLK_S3, 2, 1),
DEF_FIXED("s3d4", R8A779A0_CLK_S3D4, CLK_S3, 4, 1),
DEF_FIXED("zs", R8A779A0_CLK_ZS, CLK_PLL1_DIV2, 4, 1),
DEF_FIXED("zt", R8A779A0_CLK_ZT, CLK_PLL1_DIV2, 2, 1),
DEF_FIXED("ztr", R8A779A0_CLK_ZTR, CLK_PLL1_DIV2, 2, 1),
DEF_FIXED("zr", R8A779A0_CLK_ZR, CLK_PLL1_DIV2, 1, 1),
DEF_FIXED("cnndsp", R8A779A0_CLK_CNNDSP, CLK_PLL5_DIV4, 1, 1),
DEF_FIXED("vip", R8A779A0_CLK_VIP, CLK_PLL5, 5, 1),
DEF_FIXED("adgh", R8A779A0_CLK_ADGH, CLK_PLL5_DIV4, 1, 1),
DEF_FIXED("icu", R8A779A0_CLK_ICU, CLK_PLL5_DIV4, 2, 1),
DEF_FIXED("icud2", R8A779A0_CLK_ICUD2, CLK_PLL5_DIV4, 4, 1),
DEF_FIXED("vcbus", R8A779A0_CLK_VCBUS, CLK_PLL5_DIV4, 1, 1),
DEF_FIXED("cbfusa", R8A779A0_CLK_CBFUSA, CLK_EXTAL, 2, 1),
DEF_FIXED("cp", R8A779A0_CLK_CP, CLK_EXTAL, 2, 1),
DEF_FIXED("cl16mck", R8A779A0_CLK_CL16MCK, CLK_PLL1_DIV2, 64, 1),
DEF_GEN4_SDH("sdh0", R8A779A0_CLK_SD0H, CLK_SDSRC, 0x870),
DEF_GEN4_SD("sd0", R8A779A0_CLK_SD0, R8A779A0_CLK_SD0H, 0x870),
DEF_BASE("rpc", R8A779A0_CLK_RPC, CLK_TYPE_GEN4_RPC, CLK_RPCSRC),
DEF_BASE("rpcd2", R8A779A0_CLK_RPCD2, CLK_TYPE_GEN4_RPCD2,
R8A779A0_CLK_RPC),
DEF_DIV6P1("mso", R8A779A0_CLK_MSO, CLK_PLL5_DIV4, 0x87c),
DEF_DIV6P1("canfd", R8A779A0_CLK_CANFD, CLK_PLL5_DIV4, 0x878),
DEF_DIV6P1("csi0", R8A779A0_CLK_CSI0, CLK_PLL5_DIV4, 0x880),
DEF_DIV6P1("dsi", R8A779A0_CLK_DSI, CLK_PLL5_DIV4, 0x884),
DEF_GEN4_OSC("osc", R8A779A0_CLK_OSC, CLK_EXTAL, 8),
DEF_GEN4_MDSEL("r", R8A779A0_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1),
};
static const struct mssr_mod_clk r8a779a0_mod_clks[] __initconst = {
DEF_MOD("avb0", 211, R8A779A0_CLK_S3D2),
DEF_MOD("avb1", 212, R8A779A0_CLK_S3D2),
DEF_MOD("avb2", 213, R8A779A0_CLK_S3D2),
DEF_MOD("avb3", 214, R8A779A0_CLK_S3D2),
DEF_MOD("avb4", 215, R8A779A0_CLK_S3D2),
DEF_MOD("avb5", 216, R8A779A0_CLK_S3D2),
DEF_MOD("canfd0", 328, R8A779A0_CLK_CANFD),
DEF_MOD("csi40", 331, R8A779A0_CLK_CSI0),
DEF_MOD("csi41", 400, R8A779A0_CLK_CSI0),
DEF_MOD("csi42", 401, R8A779A0_CLK_CSI0),
DEF_MOD("csi43", 402, R8A779A0_CLK_CSI0),
DEF_MOD("du", 411, R8A779A0_CLK_S3D1),
DEF_MOD("dsi0", 415, R8A779A0_CLK_DSI),
DEF_MOD("dsi1", 416, R8A779A0_CLK_DSI),
DEF_MOD("fcpvd0", 508, R8A779A0_CLK_S3D1),
DEF_MOD("fcpvd1", 509, R8A779A0_CLK_S3D1),
DEF_MOD("hscif0", 514, R8A779A0_CLK_S1D2),
DEF_MOD("hscif1", 515, R8A779A0_CLK_S1D2),
DEF_MOD("hscif2", 516, R8A779A0_CLK_S1D2),
DEF_MOD("hscif3", 517, R8A779A0_CLK_S1D2),
DEF_MOD("i2c0", 518, R8A779A0_CLK_S1D4),
DEF_MOD("i2c1", 519, R8A779A0_CLK_S1D4),
DEF_MOD("i2c2", 520, R8A779A0_CLK_S1D4),
DEF_MOD("i2c3", 521, R8A779A0_CLK_S1D4),
DEF_MOD("i2c4", 522, R8A779A0_CLK_S1D4),
DEF_MOD("i2c5", 523, R8A779A0_CLK_S1D4),
DEF_MOD("i2c6", 524, R8A779A0_CLK_S1D4),
DEF_MOD("ispcs0", 612, R8A779A0_CLK_S1D1),
DEF_MOD("ispcs1", 613, R8A779A0_CLK_S1D1),
DEF_MOD("ispcs2", 614, R8A779A0_CLK_S1D1),
DEF_MOD("ispcs3", 615, R8A779A0_CLK_S1D1),
DEF_MOD("msi0", 618, R8A779A0_CLK_MSO),
DEF_MOD("msi1", 619, R8A779A0_CLK_MSO),
DEF_MOD("msi2", 620, R8A779A0_CLK_MSO),
DEF_MOD("msi3", 621, R8A779A0_CLK_MSO),
DEF_MOD("msi4", 622, R8A779A0_CLK_MSO),
DEF_MOD("msi5", 623, R8A779A0_CLK_MSO),
DEF_MOD("rpc-if", 629, R8A779A0_CLK_RPCD2),
DEF_MOD("scif0", 702, R8A779A0_CLK_S1D8),
DEF_MOD("scif1", 703, R8A779A0_CLK_S1D8),
DEF_MOD("scif3", 704, R8A779A0_CLK_S1D8),
DEF_MOD("scif4", 705, R8A779A0_CLK_S1D8),
DEF_MOD("sdhi0", 706, R8A779A0_CLK_SD0),
DEF_MOD("sydm1", 709, R8A779A0_CLK_S1D2),
DEF_MOD("sydm2", 710, R8A779A0_CLK_S1D2),
DEF_MOD("tmu0", 713, R8A779A0_CLK_CL16MCK),
DEF_MOD("tmu1", 714, R8A779A0_CLK_S1D4),
DEF_MOD("tmu2", 715, R8A779A0_CLK_S1D4),
DEF_MOD("tmu3", 716, R8A779A0_CLK_S1D4),
DEF_MOD("tmu4", 717, R8A779A0_CLK_S1D4),
DEF_MOD("tpu0", 718, R8A779A0_CLK_S1D8),
DEF_MOD("vin00", 730, R8A779A0_CLK_S1D1),
DEF_MOD("vin01", 731, R8A779A0_CLK_S1D1),
DEF_MOD("vin02", 800, R8A779A0_CLK_S1D1),
DEF_MOD("vin03", 801, R8A779A0_CLK_S1D1),
DEF_MOD("vin04", 802, R8A779A0_CLK_S1D1),
DEF_MOD("vin05", 803, R8A779A0_CLK_S1D1),
DEF_MOD("vin06", 804, R8A779A0_CLK_S1D1),
DEF_MOD("vin07", 805, R8A779A0_CLK_S1D1),
DEF_MOD("vin10", 806, R8A779A0_CLK_S1D1),
DEF_MOD("vin11", 807, R8A779A0_CLK_S1D1),
DEF_MOD("vin12", 808, R8A779A0_CLK_S1D1),
DEF_MOD("vin13", 809, R8A779A0_CLK_S1D1),
DEF_MOD("vin14", 810, R8A779A0_CLK_S1D1),
DEF_MOD("vin15", 811, R8A779A0_CLK_S1D1),
DEF_MOD("vin16", 812, R8A779A0_CLK_S1D1),
DEF_MOD("vin17", 813, R8A779A0_CLK_S1D1),
DEF_MOD("vin20", 814, R8A779A0_CLK_S1D1),
DEF_MOD("vin21", 815, R8A779A0_CLK_S1D1),
DEF_MOD("vin22", 816, R8A779A0_CLK_S1D1),
DEF_MOD("vin23", 817, R8A779A0_CLK_S1D1),
DEF_MOD("vin24", 818, R8A779A0_CLK_S1D1),
DEF_MOD("vin25", 819, R8A779A0_CLK_S1D1),
DEF_MOD("vin26", 820, R8A779A0_CLK_S1D1),
DEF_MOD("vin27", 821, R8A779A0_CLK_S1D1),
DEF_MOD("vin30", 822, R8A779A0_CLK_S1D1),
DEF_MOD("vin31", 823, R8A779A0_CLK_S1D1),
DEF_MOD("vin32", 824, R8A779A0_CLK_S1D1),
DEF_MOD("vin33", 825, R8A779A0_CLK_S1D1),
DEF_MOD("vin34", 826, R8A779A0_CLK_S1D1),
DEF_MOD("vin35", 827, R8A779A0_CLK_S1D1),
DEF_MOD("vin36", 828, R8A779A0_CLK_S1D1),
DEF_MOD("vin37", 829, R8A779A0_CLK_S1D1),
DEF_MOD("vspd0", 830, R8A779A0_CLK_S3D1),
DEF_MOD("vspd1", 831, R8A779A0_CLK_S3D1),
DEF_MOD("rwdt", 907, R8A779A0_CLK_R),
DEF_MOD("cmt0", 910, R8A779A0_CLK_R),
DEF_MOD("cmt1", 911, R8A779A0_CLK_R),
DEF_MOD("cmt2", 912, R8A779A0_CLK_R),
DEF_MOD("cmt3", 913, R8A779A0_CLK_R),
DEF_MOD("pfc0", 915, R8A779A0_CLK_CP),
DEF_MOD("pfc1", 916, R8A779A0_CLK_CP),
DEF_MOD("pfc2", 917, R8A779A0_CLK_CP),
DEF_MOD("pfc3", 918, R8A779A0_CLK_CP),
DEF_MOD("tsc", 919, R8A779A0_CLK_CL16MCK),
DEF_MOD("vspx0", 1028, R8A779A0_CLK_S1D1),
DEF_MOD("vspx1", 1029, R8A779A0_CLK_S1D1),
DEF_MOD("vspx2", 1030, R8A779A0_CLK_S1D1),
DEF_MOD("vspx3", 1031, R8A779A0_CLK_S1D1),
};
static const unsigned int r8a779a0_crit_mod_clks[] __initconst = {
MOD_CLK_ID(907), /* RWDT */
};
/*
* CPG Clock Data
*/
/*
* MD EXTAL PLL1 PLL20 PLL30 PLL4 PLL5 OSC
* 14 13 (MHz) 21 31
* --------------------------------------------------------
* 0 0 16.66 x 1 x128 x216 x128 x144 x192 /16
* 0 1 20 x 1 x106 x180 x106 x120 x160 /19
* 1 0 Prohibited setting
* 1 1 33.33 / 2 x128 x216 x128 x144 x192 /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 PLL5 mult/div PLL6 mult/div OSC prediv */
{ 1, 128, 1, 0, 0, 0, 0, 192, 1, 0, 0, 16, },
{ 1, 106, 1, 0, 0, 0, 0, 160, 1, 0, 0, 19, },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{ 2, 128, 1, 0, 0, 0, 0, 192, 1, 0, 0, 32, },
};
static int __init r8a779a0_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)];
return rcar_gen4_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode);
}
const struct cpg_mssr_info r8a779a0_cpg_mssr_info __initconst = {
/* Core Clocks */
.core_clks = r8a779a0_core_clks,
.num_core_clks = ARRAY_SIZE(r8a779a0_core_clks),
.last_dt_core_clk = LAST_DT_CORE_CLK,
.num_total_core_clks = MOD_CLK_BASE,
/* Module Clocks */
.mod_clks = r8a779a0_mod_clks,
.num_mod_clks = ARRAY_SIZE(r8a779a0_mod_clks),
.num_hw_mod_clks = 15 * 32,
/* Critical Module Clocks */
.crit_mod_clks = r8a779a0_crit_mod_clks,
.num_crit_mod_clks = ARRAY_SIZE(r8a779a0_crit_mod_clks),
/* Callbacks */
.init = r8a779a0_cpg_mssr_init,
.cpg_clk_register = rcar_gen4_cpg_clk_register,
.reg_layout = CLK_REG_LAYOUT_RCAR_GEN4,
};
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