rk3399_pmucru.c

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2018 Emmanuel Vadot <manu@freebsd.org>
    5  * Copyright (c) 2018 Val Packett <val@packett.cool>
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
   23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  * $FreeBSD$
   29  */
   30 
   31 #include <sys/cdefs.h>
   32 __FBSDID("$FreeBSD$");
   33 
   34 #include <sys/param.h>
   35 #include <sys/systm.h>
   36 #include <sys/bus.h>
   37 #include <sys/rman.h>
   38 #include <sys/kernel.h>
   39 #include <sys/module.h>
   40 #include <machine/bus.h>
   41 
   42 #include <dev/fdt/simplebus.h>
   43 
   44 #include <dev/ofw/ofw_bus.h>
   45 #include <dev/ofw/ofw_bus_subr.h>
   46 
   47 #include <dev/extres/clk/clk_div.h>
   48 #include <dev/extres/clk/clk_fixed.h>
   49 #include <dev/extres/clk/clk_mux.h>
   50 
   51 #include <arm64/rockchip/clk/rk_cru.h>
   52 
   53 /* GATES */
   54 
   55 #define PCLK_PMU                20
   56 #define PCLK_GPIO0_PMU          23
   57 #define PCLK_GPIO1_PMU          24
   58 #define PCLK_I2C0_PMU           27
   59 #define PCLK_I2C4_PMU           28
   60 #define PCLK_I2C8_PMU           29
   61 #define PCLK_RKPWM_PMU          30
   62 
   63 static struct rk_cru_gate rk3399_pmu_gates[] = {
   64         /* PMUCRU_CLKGATE_CON1 */
   65         CRU_GATE(PCLK_PMU, "pclk_pmu", "pclk_pmu_src", 0x104, 0)
   66         CRU_GATE(PCLK_GPIO0_PMU, "pclk_gpio0_pmu", "pclk_pmu_src", 0x104, 3)
   67         CRU_GATE(PCLK_GPIO1_PMU, "pclk_gpio1_pmu", "pclk_pmu_src", 0x104, 4)
   68         CRU_GATE(PCLK_I2C0_PMU, "pclk_i2c0_pmu", "pclk_pmu_src", 0x104, 7)
   69         CRU_GATE(PCLK_I2C4_PMU, "pclk_i2c4_pmu", "pclk_pmu_src", 0x104, 8)
   70         CRU_GATE(PCLK_I2C8_PMU, "pclk_i2c8_pmu", "pclk_pmu_src", 0x104, 9)
   71         CRU_GATE(PCLK_RKPWM_PMU, "pclk_rkpwm_pmu", "pclk_pmu_src", 0x104, 10)
   72 };
   73 
   74 /*
   75  * PLLs
   76  */
   77 
   78 #define PLL_PPLL        1
   79 
   80 static struct rk_clk_pll_rate rk3399_pll_rates[] = {
   81         {
   82                 .freq = 2208000000,
   83                 .refdiv = 1,
   84                 .fbdiv = 92,
   85                 .postdiv1 = 1,
   86                 .postdiv2 = 1,
   87                 .dsmpd = 1,
   88         },
   89         {
   90                 .freq = 2184000000,
   91                 .refdiv = 1,
   92                 .fbdiv = 91,
   93                 .postdiv1 = 1,
   94                 .postdiv2 = 1,
   95                 .dsmpd = 1,
   96         },
   97         {
   98                 .freq = 2160000000,
   99                 .refdiv = 1,
  100                 .fbdiv = 90,
  101                 .postdiv1 = 1,
  102                 .postdiv2 = 1,
  103                 .dsmpd = 1,
  104         },
  105         {
  106                 .freq = 2136000000,
  107                 .refdiv = 1,
  108                 .fbdiv = 89,
  109                 .postdiv1 = 1,
  110                 .postdiv2 = 1,
  111                 .dsmpd = 1,
  112         },
  113         {
  114                 .freq = 2112000000,
  115                 .refdiv = 1,
  116                 .fbdiv = 88,
  117                 .postdiv1 = 1,
  118                 .postdiv2 = 1,
  119                 .dsmpd = 1,
  120         },
  121         {
  122                 .freq = 2088000000,
  123                 .refdiv = 1,
  124                 .fbdiv = 87,
  125                 .postdiv1 = 1,
  126                 .postdiv2 = 1,
  127                 .dsmpd = 1,
  128         },
  129         {
  130                 .freq = 2064000000,
  131                 .refdiv = 1,
  132                 .fbdiv = 86,
  133                 .postdiv1 = 1,
  134                 .postdiv2 = 1,
  135                 .dsmpd = 1,
  136         },
  137         {
  138                 .freq = 2040000000,
  139                 .refdiv = 1,
  140                 .fbdiv = 85,
  141                 .postdiv1 = 1,
  142                 .postdiv2 = 1,
  143                 .dsmpd = 1,
  144         },
  145         {
  146                 .freq = 2016000000,
  147                 .refdiv = 1,
  148                 .fbdiv = 84,
  149                 .postdiv1 = 1,
  150                 .postdiv2 = 1,
  151                 .dsmpd = 1,
  152         },
  153         {
  154                 .freq = 1992000000,
  155                 .refdiv = 1,
  156                 .fbdiv = 83,
  157                 .postdiv1 = 1,
  158                 .postdiv2 = 1,
  159                 .dsmpd = 1,
  160         },
  161         {
  162                 .freq = 1968000000,
  163                 .refdiv = 1,
  164                 .fbdiv = 82,
  165                 .postdiv1 = 1,
  166                 .postdiv2 = 1,
  167                 .dsmpd = 1,
  168         },
  169         {
  170                 .freq = 1944000000,
  171                 .refdiv = 1,
  172                 .fbdiv = 81,
  173                 .postdiv1 = 1,
  174                 .postdiv2 = 1,
  175                 .dsmpd = 1,
  176         },
  177         {
  178                 .freq = 1920000000,
  179                 .refdiv = 1,
  180                 .fbdiv = 80,
  181                 .postdiv1 = 1,
  182                 .postdiv2 = 1,
  183                 .dsmpd = 1,
  184         },
  185         {
  186                 .freq = 1896000000,
  187                 .refdiv = 1,
  188                 .fbdiv = 79,
  189                 .postdiv1 = 1,
  190                 .postdiv2 = 1,
  191                 .dsmpd = 1,
  192         },
  193         {
  194                 .freq = 1872000000,
  195                 .refdiv = 1,
  196                 .fbdiv = 78,
  197                 .postdiv1 = 1,
  198                 .postdiv2 = 1,
  199                 .dsmpd = 1,
  200         },
  201         {
  202                 .freq = 1848000000,
  203                 .refdiv = 1,
  204                 .fbdiv = 77,
  205                 .postdiv1 = 1,
  206                 .postdiv2 = 1,
  207                 .dsmpd = 1,
  208         },
  209         {
  210                 .freq = 1824000000,
  211                 .refdiv = 1,
  212                 .fbdiv = 76,
  213                 .postdiv1 = 1,
  214                 .postdiv2 = 1,
  215                 .dsmpd = 1,
  216         },
  217         {
  218                 .freq = 1800000000,
  219                 .refdiv = 1,
  220                 .fbdiv = 75,
  221                 .postdiv1 = 1,
  222                 .postdiv2 = 1,
  223                 .dsmpd = 1,
  224         },
  225         {
  226                 .freq = 1776000000,
  227                 .refdiv = 1,
  228                 .fbdiv = 74,
  229                 .postdiv1 = 1,
  230                 .postdiv2 = 1,
  231                 .dsmpd = 1,
  232         },
  233         {
  234                 .freq = 1752000000,
  235                 .refdiv = 1,
  236                 .fbdiv = 73,
  237                 .postdiv1 = 1,
  238                 .postdiv2 = 1,
  239                 .dsmpd = 1,
  240         },
  241         {
  242                 .freq = 1728000000,
  243                 .refdiv = 1,
  244                 .fbdiv = 72,
  245                 .postdiv1 = 1,
  246                 .postdiv2 = 1,
  247                 .dsmpd = 1,
  248         },
  249         {
  250                 .freq = 1704000000,
  251                 .refdiv = 1,
  252                 .fbdiv = 71,
  253                 .postdiv1 = 1,
  254                 .postdiv2 = 1,
  255                 .dsmpd = 1,
  256         },
  257         {
  258                 .freq = 1680000000,
  259                 .refdiv = 1,
  260                 .fbdiv = 70,
  261                 .postdiv1 = 1,
  262                 .postdiv2 = 1,
  263                 .dsmpd = 1,
  264         },
  265         {
  266                 .freq = 1656000000,
  267                 .refdiv = 1,
  268                 .fbdiv = 69,
  269                 .postdiv1 = 1,
  270                 .postdiv2 = 1,
  271                 .dsmpd = 1,
  272         },
  273         {
  274                 .freq = 1632000000,
  275                 .refdiv = 1,
  276                 .fbdiv = 68,
  277                 .postdiv1 = 1,
  278                 .postdiv2 = 1,
  279                 .dsmpd = 1,
  280         },
  281         {
  282                 .freq = 1608000000,
  283                 .refdiv = 1,
  284                 .fbdiv = 67,
  285                 .postdiv1 = 1,
  286                 .postdiv2 = 1,
  287                 .dsmpd = 1,
  288         },
  289         {
  290                 .freq = 1600000000,
  291                 .refdiv = 3,
  292                 .fbdiv = 200,
  293                 .postdiv1 = 1,
  294                 .postdiv2 = 1,
  295                 .dsmpd = 1,
  296         },
  297         {
  298                 .freq = 1584000000,
  299                 .refdiv = 1,
  300                 .fbdiv = 66,
  301                 .postdiv1 = 1,
  302                 .postdiv2 = 1,
  303                 .dsmpd = 1,
  304         },
  305         {
  306                 .freq = 1560000000,
  307                 .refdiv = 1,
  308                 .fbdiv = 65,
  309                 .postdiv1 = 1,
  310                 .postdiv2 = 1,
  311                 .dsmpd = 1,
  312         },
  313         {
  314                 .freq = 1536000000,
  315                 .refdiv = 1,
  316                 .fbdiv = 64,
  317                 .postdiv1 = 1,
  318                 .postdiv2 = 1,
  319                 .dsmpd = 1,
  320         },
  321         {
  322                 .freq = 1512000000,
  323                 .refdiv = 1,
  324                 .fbdiv = 63,
  325                 .postdiv1 = 1,
  326                 .postdiv2 = 1,
  327                 .dsmpd = 1,
  328         },
  329         {
  330                 .freq = 1488000000,
  331                 .refdiv = 1,
  332                 .fbdiv = 62,
  333                 .postdiv1 = 1,
  334                 .postdiv2 = 1,
  335                 .dsmpd = 1,
  336         },
  337         {
  338                 .freq = 1464000000,
  339                 .refdiv = 1,
  340                 .fbdiv = 61,
  341                 .postdiv1 = 1,
  342                 .postdiv2 = 1,
  343                 .dsmpd = 1,
  344         },
  345         {
  346                 .freq = 1440000000,
  347                 .refdiv = 1,
  348                 .fbdiv = 60,
  349                 .postdiv1 = 1,
  350                 .postdiv2 = 1,
  351                 .dsmpd = 1,
  352         },
  353         {
  354                 .freq = 1416000000,
  355                 .refdiv = 1,
  356                 .fbdiv = 59,
  357                 .postdiv1 = 1,
  358                 .postdiv2 = 1,
  359                 .dsmpd = 1,
  360         },
  361         {
  362                 .freq = 1392000000,
  363                 .refdiv = 1,
  364                 .fbdiv = 58,
  365                 .postdiv1 = 1,
  366                 .postdiv2 = 1,
  367                 .dsmpd = 1,
  368         },
  369         {
  370                 .freq = 1368000000,
  371                 .refdiv = 1,
  372                 .fbdiv = 57,
  373                 .postdiv1 = 1,
  374                 .postdiv2 = 1,
  375                 .dsmpd = 1,
  376         },
  377         {
  378                 .freq = 1344000000,
  379                 .refdiv = 1,
  380                 .fbdiv = 56,
  381                 .postdiv1 = 1,
  382                 .postdiv2 = 1,
  383                 .dsmpd = 1,
  384         },
  385         {
  386                 .freq = 1320000000,
  387                 .refdiv = 1,
  388                 .fbdiv = 55,
  389                 .postdiv1 = 1,
  390                 .postdiv2 = 1,
  391                 .dsmpd = 1,
  392         },
  393         {
  394                 .freq = 1296000000,
  395                 .refdiv = 1,
  396                 .fbdiv = 54,
  397                 .postdiv1 = 1,
  398                 .postdiv2 = 1,
  399                 .dsmpd = 1,
  400         },
  401         {
  402                 .freq = 1272000000,
  403                 .refdiv = 1,
  404                 .fbdiv = 53,
  405                 .postdiv1 = 1,
  406                 .postdiv2 = 1,
  407                 .dsmpd = 1,
  408         },
  409         {
  410                 .freq = 1248000000,
  411                 .refdiv = 1,
  412                 .fbdiv = 52,
  413                 .postdiv1 = 1,
  414                 .postdiv2 = 1,
  415                 .dsmpd = 1,
  416         },
  417         {
  418                 .freq = 1200000000,
  419                 .refdiv = 1,
  420                 .fbdiv = 50,
  421                 .postdiv1 = 1,
  422                 .postdiv2 = 1,
  423                 .dsmpd = 1,
  424         },
  425         {
  426                 .freq = 1188000000,
  427                 .refdiv = 2,
  428                 .fbdiv = 99,
  429                 .postdiv1 = 1,
  430                 .postdiv2 = 1,
  431                 .dsmpd = 1,
  432         },
  433         {
  434                 .freq = 1104000000,
  435                 .refdiv = 1,
  436                 .fbdiv = 46,
  437                 .postdiv1 = 1,
  438                 .postdiv2 = 1,
  439                 .dsmpd = 1,
  440         },
  441         {
  442                 .freq = 1100000000,
  443                 .refdiv = 12,
  444                 .fbdiv = 550,
  445                 .postdiv1 = 1,
  446                 .postdiv2 = 1,
  447                 .dsmpd = 1,
  448         },
  449         {
  450                 .freq = 1008000000,
  451                 .refdiv = 1,
  452                 .fbdiv = 84,
  453                 .postdiv1 = 2,
  454                 .postdiv2 = 1,
  455                 .dsmpd = 1,
  456         },
  457         {
  458                 .freq = 1000000000,
  459                 .refdiv = 1,
  460                 .fbdiv = 125,
  461                 .postdiv1 = 3,
  462                 .postdiv2 = 1,
  463                 .dsmpd = 1,
  464         },
  465         {
  466                 .freq = 984000000,
  467                 .refdiv = 1,
  468                 .fbdiv = 82,
  469                 .postdiv1 = 2,
  470                 .postdiv2 = 1,
  471                 .dsmpd = 1,
  472         },
  473         {
  474                 .freq = 960000000,
  475                 .refdiv = 1,
  476                 .fbdiv = 80,
  477                 .postdiv1 = 2,
  478                 .postdiv2 = 1,
  479                 .dsmpd = 1,
  480         },
  481         {
  482                 .freq = 936000000,
  483                 .refdiv = 1,
  484                 .fbdiv = 78,
  485                 .postdiv1 = 2,
  486                 .postdiv2 = 1,
  487                 .dsmpd = 1,
  488         },
  489         {
  490                 .freq = 912000000,
  491                 .refdiv = 1,
  492                 .fbdiv = 76,
  493                 .postdiv1 = 2,
  494                 .postdiv2 = 1,
  495                 .dsmpd = 1,
  496         },
  497         {
  498                 .freq = 900000000,
  499                 .refdiv = 4,
  500                 .fbdiv = 300,
  501                 .postdiv1 = 2,
  502                 .postdiv2 = 1,
  503                 .dsmpd = 1,
  504         },
  505         {
  506                 .freq = 888000000,
  507                 .refdiv = 1,
  508                 .fbdiv = 74,
  509                 .postdiv1 = 2,
  510                 .postdiv2 = 1,
  511                 .dsmpd = 1,
  512         },
  513         {
  514                 .freq = 864000000,
  515                 .refdiv = 1,
  516                 .fbdiv = 72,
  517                 .postdiv1 = 2,
  518                 .postdiv2 = 1,
  519                 .dsmpd = 1,
  520         },
  521         {
  522                 .freq = 840000000,
  523                 .refdiv = 1,
  524                 .fbdiv = 70,
  525                 .postdiv1 = 2,
  526                 .postdiv2 = 1,
  527                 .dsmpd = 1,
  528         },
  529         {
  530                 .freq = 816000000,
  531                 .refdiv = 1,
  532                 .fbdiv = 68,
  533                 .postdiv1 = 2,
  534                 .postdiv2 = 1,
  535                 .dsmpd = 1,
  536         },
  537         {
  538                 .freq = 800000000,
  539                 .refdiv = 1,
  540                 .fbdiv = 100,
  541                 .postdiv1 = 3,
  542                 .postdiv2 = 1,
  543                 .dsmpd = 1,
  544         },
  545         {
  546                 .freq = 700000000,
  547                 .refdiv = 6,
  548                 .fbdiv = 350,
  549                 .postdiv1 = 2,
  550                 .postdiv2 = 1,
  551                 .dsmpd = 1,
  552         },
  553         {
  554                 .freq = 696000000,
  555                 .refdiv = 1,
  556                 .fbdiv = 58,
  557                 .postdiv1 = 2,
  558                 .postdiv2 = 1,
  559                 .dsmpd = 1,
  560         },
  561         {
  562                 .freq = 676000000,
  563                 .refdiv = 3,
  564                 .fbdiv = 169,
  565                 .postdiv1 = 2,
  566                 .postdiv2 = 1,
  567                 .dsmpd = 1,
  568         },
  569         {
  570                 .freq = 600000000,
  571                 .refdiv = 1,
  572                 .fbdiv = 75,
  573                 .postdiv1 = 3,
  574                 .postdiv2 = 1,
  575                 .dsmpd = 1,
  576         },
  577         {
  578                 .freq = 594000000,
  579                 .refdiv = 1,
  580                 .fbdiv = 99,
  581                 .postdiv1 = 4,
  582                 .postdiv2 = 1,
  583                 .dsmpd = 1,
  584         },
  585         {
  586                 .freq = 533250000,
  587                 .refdiv = 8,
  588                 .fbdiv = 711,
  589                 .postdiv1 = 4,
  590                 .postdiv2 = 1,
  591                 .dsmpd = 1,
  592         },
  593         {
  594                 .freq = 504000000,
  595                 .refdiv = 1,
  596                 .fbdiv = 63,
  597                 .postdiv1 = 3,
  598                 .postdiv2 = 1,
  599                 .dsmpd = 1,
  600         },
  601         {
  602                 .freq = 500000000,
  603                 .refdiv = 6,
  604                 .fbdiv = 250,
  605                 .postdiv1 = 2,
  606                 .postdiv2 = 1,
  607                 .dsmpd = 1,
  608         },
  609         {
  610                 .freq = 408000000,
  611                 .refdiv = 1,
  612                 .fbdiv = 68,
  613                 .postdiv1 = 2,
  614                 .postdiv2 = 2,
  615                 .dsmpd = 1,
  616         },
  617         {
  618                 .freq = 312000000,
  619                 .refdiv = 1,
  620                 .fbdiv = 52,
  621                 .postdiv1 = 2,
  622                 .postdiv2 = 2,
  623                 .dsmpd = 1,
  624         },
  625         {
  626                 .freq = 297000000,
  627                 .refdiv = 1,
  628                 .fbdiv = 99,
  629                 .postdiv1 = 4,
  630                 .postdiv2 = 2,
  631                 .dsmpd = 1,
  632         },
  633         {
  634                 .freq = 216000000,
  635                 .refdiv = 1,
  636                 .fbdiv = 72,
  637                 .postdiv1 = 4,
  638                 .postdiv2 = 2,
  639                 .dsmpd = 1,
  640         },
  641         {
  642                 .freq = 148500000,
  643                 .refdiv = 1,
  644                 .fbdiv = 99,
  645                 .postdiv1 = 4,
  646                 .postdiv2 = 4,
  647                 .dsmpd = 1,
  648         },
  649         {
  650                 .freq = 106500000,
  651                 .refdiv = 1,
  652                 .fbdiv = 71,
  653                 .postdiv1 = 4,
  654                 .postdiv2 = 4,
  655                 .dsmpd = 1,
  656         },
  657         {
  658                 .freq = 96000000,
  659                 .refdiv = 1,
  660                 .fbdiv = 64,
  661                 .postdiv1 = 4,
  662                 .postdiv2 = 4,
  663                 .dsmpd = 1,
  664         },
  665         {
  666                 .freq = 74250000,
  667                 .refdiv = 2,
  668                 .fbdiv = 99,
  669                 .postdiv1 = 4,
  670                 .postdiv2 = 4,
  671                 .dsmpd = 1,
  672         },
  673         {
  674                 .freq = 65000000,
  675                 .refdiv = 1,
  676                 .fbdiv = 65,
  677                 .postdiv1 = 6,
  678                 .postdiv2 = 4,
  679                 .dsmpd = 1,
  680         },
  681         {
  682                 .freq = 54000000,
  683                 .refdiv = 1,
  684                 .fbdiv = 54,
  685                 .postdiv1 = 6,
  686                 .postdiv2 = 4,
  687                 .dsmpd = 1,
  688         },
  689         {
  690                 .freq = 27000000,
  691                 .refdiv = 1,
  692                 .fbdiv = 27,
  693                 .postdiv1 = 6,
  694                 .postdiv2 = 4,
  695                 .dsmpd = 1,
  696         },
  697         {},
  698 };
  699 
  700 static const char *pll_parents[] = {"xin24m"};
  701 
  702 static struct rk_clk_pll_def ppll = {
  703         .clkdef = {
  704                 .id = PLL_PPLL,
  705                 .name = "ppll",
  706                 .parent_names = pll_parents,
  707                 .parent_cnt = nitems(pll_parents),
  708         },
  709         .base_offset = 0x00,
  710 
  711         .rates = rk3399_pll_rates,
  712 };
  713 
  714 static const char *pmu_parents[] = {"ppll"};
  715 
  716 #define PCLK_PMU_SRC                    19
  717 
  718 static struct rk_clk_composite_def pclk_pmu_src = {
  719         .clkdef = {
  720                 .id = PCLK_PMU_SRC,
  721                 .name = "pclk_pmu_src",
  722                 .parent_names = pmu_parents,
  723                 .parent_cnt = nitems(pmu_parents),
  724         },
  725         /* PMUCRU_CLKSEL_CON0 */
  726         .muxdiv_offset = 0x80,
  727 
  728         .div_shift = 0,
  729         .div_width = 5,
  730 };
  731 
  732 #define SCLK_I2C0_PMU   9
  733 #define SCLK_I2C4_PMU   10
  734 #define SCLK_I2C8_PMU   11
  735 
  736 static struct rk_clk_composite_def i2c0 = {
  737         .clkdef = {
  738                 .id = SCLK_I2C0_PMU,
  739                 .name = "clk_i2c0_pmu",
  740                 .parent_names = pmu_parents,
  741                 .parent_cnt = nitems(pmu_parents),
  742         },
  743         /* PMUCRU_CLKSEL_CON2 */
  744         .muxdiv_offset = 0x88,
  745 
  746         .div_shift = 0,
  747         .div_width = 7,
  748 
  749         /* PMUCRU_CLKGATE_CON0 */
  750         .gate_offset = 0x100,
  751         .gate_shift = 9,
  752 
  753         .flags = RK_CLK_COMPOSITE_HAVE_GATE,
  754 };
  755 
  756 static struct rk_clk_composite_def i2c8 = {
  757         .clkdef = {
  758                 .id = SCLK_I2C8_PMU,
  759                 .name = "clk_i2c8_pmu",
  760                 .parent_names = pmu_parents,
  761                 .parent_cnt = nitems(pmu_parents),
  762         },
  763         /* PMUCRU_CLKSEL_CON2 */
  764         .muxdiv_offset = 0x88,
  765 
  766         .div_shift = 8,
  767         .div_width = 7,
  768 
  769         /* PMUCRU_CLKGATE_CON0 */
  770         .gate_offset = 0x100,
  771         .gate_shift = 11,
  772 
  773         .flags = RK_CLK_COMPOSITE_HAVE_GATE,
  774 };
  775 
  776 static struct rk_clk_composite_def i2c4 = {
  777         .clkdef = {
  778                 .id = SCLK_I2C4_PMU,
  779                 .name = "clk_i2c4_pmu",
  780                 .parent_names = pmu_parents,
  781                 .parent_cnt = nitems(pmu_parents),
  782         },
  783         /* PMUCRU_CLKSEL_CON3 */
  784         .muxdiv_offset = 0x8c,
  785 
  786         .div_shift = 0,
  787         .div_width = 7,
  788 
  789         /* PMUCRU_CLKGATE_CON0 */
  790         .gate_offset = 0x100,
  791         .gate_shift = 10,
  792 
  793         .flags = RK_CLK_COMPOSITE_HAVE_GATE,
  794 };
  795 
  796 static struct rk_clk rk3399_pmu_clks[] = {
  797         {
  798                 .type = RK3399_CLK_PLL,
  799                 .clk.pll = &ppll
  800         },
  801 
  802         {
  803                 .type = RK_CLK_COMPOSITE,
  804                 .clk.composite = &pclk_pmu_src
  805         },
  806         {
  807                 .type = RK_CLK_COMPOSITE,
  808                 .clk.composite = &i2c0
  809         },
  810         {
  811                 .type = RK_CLK_COMPOSITE,
  812                 .clk.composite = &i2c4
  813         },
  814         {
  815                 .type = RK_CLK_COMPOSITE,
  816                 .clk.composite = &i2c8
  817         },
  818 };
  819 
  820 static int
  821 rk3399_pmucru_probe(device_t dev)
  822 {
  823 
  824         if (!ofw_bus_status_okay(dev))
  825                 return (ENXIO);
  826 
  827         if (ofw_bus_is_compatible(dev, "rockchip,rk3399-pmucru")) {
  828                 device_set_desc(dev, "Rockchip RK3399 PMU Clock and Reset Unit");
  829                 return (BUS_PROBE_DEFAULT);
  830         }
  831 
  832         return (ENXIO);
  833 }
  834 
  835 static int
  836 rk3399_pmucru_attach(device_t dev)
  837 {
  838         struct rk_cru_softc *sc;
  839 
  840         sc = device_get_softc(dev);
  841         sc->dev = dev;
  842 
  843         sc->gates = rk3399_pmu_gates;
  844         sc->ngates = nitems(rk3399_pmu_gates);
  845 
  846         sc->clks = rk3399_pmu_clks;
  847         sc->nclks = nitems(rk3399_pmu_clks);
  848 
  849         sc->reset_offset = 0x110;
  850         sc->reset_num = 30;
  851 
  852         return (rk_cru_attach(dev));
  853 }
  854 
  855 static device_method_t rk3399_pmucru_methods[] = {
  856         /* Device interface */
  857         DEVMETHOD(device_probe,         rk3399_pmucru_probe),
  858         DEVMETHOD(device_attach,        rk3399_pmucru_attach),
  859 
  860         DEVMETHOD_END
  861 };
  862 
  863 DEFINE_CLASS_1(rk3399_pmucru, rk3399_pmucru_driver, rk3399_pmucru_methods,
  864   sizeof(struct rk_cru_softc), rk_cru_driver);
  865 
  866 EARLY_DRIVER_MODULE(rk3399_pmucru, simplebus, rk3399_pmucru_driver, 0, 0,
  867     BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE);
Cache object: 50853d85c0db3acd7a97f8ac5d739e2b
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FreeBSD/Linux Kernel Cross Reference sys/arm64/rockchip/clk/rk3399_pmucru.c

FreeBSD/Linux Kernel Cross Reference
sys/arm64/rockchip/clk/rk3399_pmucru.c
