drivers/pinctrl/exynos/pinctrl-exynos78x0.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Exynos78x0 pinctrl driver.
   4  *
   5  * Copyright (c) 2020 Dzmitry Sankouski ([email protected])
   6  *
   7  * based on drivers/pinctrl/exynos/pinctrl-exynos7420.c :
   8  * Copyright (C) 2016 Samsung Electronics
   9  * Thomas Abraham <[email protected]>
  10  */
  11
  12 #include <dm.h>
  13 #include <errno.h>
  14 #include <asm/io.h>
  15 #include <dm/pinctrl.h>
  16 #include <dm/root.h>
  17 #include <fdtdec.h>
  18 #include <asm/arch/pinmux.h>
  19 #include "pinctrl-exynos.h"
  20
  21 static const struct pinctrl_ops exynos78x0_pinctrl_ops = {
  22         .set_state      = exynos_pinctrl_set_state
  23 };
  24
  25 /* pin banks of exynos78x0 pin-controller 0 (ALIVE) */
  26 static const struct samsung_pin_bank_data exynos78x0_pin_banks0[] = {
  27         EXYNOS_PIN_BANK(6, 0x000, "etc0"),
  28         EXYNOS_PIN_BANK(3, 0x020, "etc1"),
  29         EXYNOS_PIN_BANK(8, 0x040, "gpa0"),
  30         EXYNOS_PIN_BANK(8, 0x060, "gpa1"),
  31         EXYNOS_PIN_BANK(8, 0x080, "gpa2"),
  32         EXYNOS_PIN_BANK(5, 0x0a0, "gpa3"),
  33         EXYNOS_PIN_BANK(2, 0x0c0, "gpq0"),
  34 };
  35
  36 /* pin banks of exynos78x0 pin-controller 1 (CCORE) */
  37 static const struct samsung_pin_bank_data exynos78x0_pin_banks1[] = {
  38         EXYNOS_PIN_BANK(2, 0x000, "gpm0"),
  39 };
  40
  41 /* pin banks of exynos78x0 pin-controller 2 (DISPAUD) */
  42 static const struct samsung_pin_bank_data exynos78x0_pin_banks2[] = {
  43         EXYNOS_PIN_BANK(4, 0x000, "gpz0"),
  44         EXYNOS_PIN_BANK(6, 0x020, "gpz1"),
  45         EXYNOS_PIN_BANK(4, 0x040, "gpz2"),
  46 };
  47
  48 /* pin banks of exynos78x0 pin-controller 4 (FSYS) */
  49 static const struct samsung_pin_bank_data exynos78x0_pin_banks4[] = {
  50         EXYNOS_PIN_BANK(3, 0x000, "gpr0"),
  51         EXYNOS_PIN_BANK(8, 0x020, "gpr1"),
  52         EXYNOS_PIN_BANK(2, 0x040, "gpr2"),
  53         EXYNOS_PIN_BANK(4, 0x060, "gpr3"),
  54         EXYNOS_PIN_BANK(6, 0x080, "gpr4"),
  55 };
  56
  57 /* pin banks of exynos78x0 pin-controller 6 (TOP) */
  58 static const struct samsung_pin_bank_data exynos78x0_pin_banks6[] = {
  59         EXYNOS_PIN_BANK(4, 0x000, "gpb0"),
  60         EXYNOS_PIN_BANK(3, 0x020, "gpc0"),
  61         EXYNOS_PIN_BANK(4, 0x040, "gpc1"),
  62         EXYNOS_PIN_BANK(4, 0x060, "gpc4"),
  63         EXYNOS_PIN_BANK(2, 0x080, "gpc5"),
  64         EXYNOS_PIN_BANK(4, 0x0a0, "gpc6"),
  65         EXYNOS_PIN_BANK(2, 0x0c0, "gpc8"),
  66         EXYNOS_PIN_BANK(2, 0x0e0, "gpc9"),
  67         EXYNOS_PIN_BANK(7, 0x100, "gpd1"),
  68         EXYNOS_PIN_BANK(6, 0x120, "gpd2"),
  69         EXYNOS_PIN_BANK(8, 0x140, "gpd3"),
  70         EXYNOS_PIN_BANK(7, 0x160, "gpd4"),
  71         EXYNOS_PIN_BANK(5, 0x180, "gpd5"),
  72         EXYNOS_PIN_BANK(3, 0x1a0, "gpe0"),
  73         EXYNOS_PIN_BANK(4, 0x1c0, "gpf0"),
  74         EXYNOS_PIN_BANK(2, 0x1e0, "gpf1"),
  75         EXYNOS_PIN_BANK(2, 0x200, "gpf2"),
  76         EXYNOS_PIN_BANK(4, 0x220, "gpf3"),
  77         EXYNOS_PIN_BANK(5, 0x240, "gpf4"),
  78 };
  79
  80 const struct samsung_pin_ctrl exynos78x0_pin_ctrl[] = {
  81         {
  82                 /* pin-controller instance 0 Alive data */
  83                 .pin_banks      = exynos78x0_pin_banks0,
  84                 .nr_banks       = ARRAY_SIZE(exynos78x0_pin_banks0),
  85         }, {
  86                 /* pin-controller instance 1 CCORE data */
  87                 .pin_banks      = exynos78x0_pin_banks1,
  88                 .nr_banks       = ARRAY_SIZE(exynos78x0_pin_banks1),
  89         }, {
  90                 /* pin-controller instance 2 DISPAUD data */
  91                 .pin_banks      = exynos78x0_pin_banks2,
  92                 .nr_banks       = ARRAY_SIZE(exynos78x0_pin_banks2),
  93         }, {
  94                 /* pin-controller instance 4 FSYS data */
  95                 .pin_banks      = exynos78x0_pin_banks4,
  96                 .nr_banks       = ARRAY_SIZE(exynos78x0_pin_banks4),
  97         }, {
  98                 /* pin-controller instance 6 TOP data */
  99                 .pin_banks      = exynos78x0_pin_banks6,
 100                 .nr_banks       = ARRAY_SIZE(exynos78x0_pin_banks6),
 101         },
 102         {/* list terminator */}
 103 };
 104
 105 static const struct udevice_id exynos78x0_pinctrl_ids[] = {
 106         { .compatible = "samsung,exynos78x0-pinctrl",
 107                 .data = (ulong)exynos78x0_pin_ctrl },
 108         { }
 109 };
 110
 111 U_BOOT_DRIVER(pinctrl_exynos78x0) = {
 112         .name           = "pinctrl_exynos78x0",
 113         .id             = UCLASS_PINCTRL,
 114         .of_match       = exynos78x0_pinctrl_ids,
 115         .priv_auto = sizeof(struct exynos_pinctrl_priv),
 116         .ops            = &exynos78x0_pinctrl_ops,
 117         .probe          = exynos_pinctrl_probe,
 118 };