drivers/soc/renesas/r8a7796-sysc.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Renesas R-Car M3-W/W+ System Controller
   4  *
   5  * Copyright (C) 2016 Glider bvba
   6  * Copyright (C) 2018-2019 Renesas Electronics Corporation
   7  */
   8
   9 #include <linux/bits.h>
  10 #include <linux/kernel.h>
  11
  12 #include <dt-bindings/power/r8a7796-sysc.h>
  13
  14 #include "rcar-sysc.h"
  15
  16 static struct rcar_sysc_area r8a7796_areas[] __initdata = {
  17         { "always-on",      0, 0, R8A7796_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
  18         { "ca57-scu",   0x1c0, 0, R8A7796_PD_CA57_SCU,  R8A7796_PD_ALWAYS_ON,
  19           PD_SCU },
  20         { "ca57-cpu0",   0x80, 0, R8A7796_PD_CA57_CPU0, R8A7796_PD_CA57_SCU,
  21           PD_CPU_NOCR },
  22         { "ca57-cpu1",   0x80, 1, R8A7796_PD_CA57_CPU1, R8A7796_PD_CA57_SCU,
  23           PD_CPU_NOCR },
  24         { "ca53-scu",   0x140, 0, R8A7796_PD_CA53_SCU,  R8A7796_PD_ALWAYS_ON,
  25           PD_SCU },
  26         { "ca53-cpu0",  0x200, 0, R8A7796_PD_CA53_CPU0, R8A7796_PD_CA53_SCU,
  27           PD_CPU_NOCR },
  28         { "ca53-cpu1",  0x200, 1, R8A7796_PD_CA53_CPU1, R8A7796_PD_CA53_SCU,
  29           PD_CPU_NOCR },
  30         { "ca53-cpu2",  0x200, 2, R8A7796_PD_CA53_CPU2, R8A7796_PD_CA53_SCU,
  31           PD_CPU_NOCR },
  32         { "ca53-cpu3",  0x200, 3, R8A7796_PD_CA53_CPU3, R8A7796_PD_CA53_SCU,
  33           PD_CPU_NOCR },
  34         { "cr7",        0x240, 0, R8A7796_PD_CR7,       R8A7796_PD_ALWAYS_ON },
  35         { "a3vc",       0x380, 0, R8A7796_PD_A3VC,      R8A7796_PD_ALWAYS_ON },
  36         { "a2vc0",      0x3c0, 0, R8A7796_PD_A2VC0,     R8A7796_PD_A3VC },
  37         { "a2vc1",      0x3c0, 1, R8A7796_PD_A2VC1,     R8A7796_PD_A3VC },
  38         { "3dg-a",      0x100, 0, R8A7796_PD_3DG_A,     R8A7796_PD_ALWAYS_ON },
  39         { "3dg-b",      0x100, 1, R8A7796_PD_3DG_B,     R8A7796_PD_3DG_A },
  40         { "a3ir",       0x180, 0, R8A7796_PD_A3IR,      R8A7796_PD_ALWAYS_ON },
  41 };
  42
  43
  44 #ifdef CONFIG_SYSC_R8A77960
  45 const struct rcar_sysc_info r8a77960_sysc_info __initconst = {
  46         .areas = r8a7796_areas,
  47         .num_areas = ARRAY_SIZE(r8a7796_areas),
  48 };
  49 #endif /* CONFIG_SYSC_R8A77960 */
  50
  51 #ifdef CONFIG_SYSC_R8A77961
  52 static int __init r8a77961_sysc_init(void)
  53 {
  54         rcar_sysc_nullify(r8a7796_areas, ARRAY_SIZE(r8a7796_areas),
  55                           R8A7796_PD_A2VC0);
  56
  57         return 0;
  58 }
  59
  60 const struct rcar_sysc_info r8a77961_sysc_info __initconst = {
  61         .init = r8a77961_sysc_init,
  62         .areas = r8a7796_areas,
  63         .num_areas = ARRAY_SIZE(r8a7796_areas),
  64         .extmask_offs = 0x2f8,
  65         .extmask_val = BIT(0),
  66 };
  67 #endif /* CONFIG_SYSC_R8A77961 */