src/mainboard/google/corsola/regulator.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <console/console.h>
   4 #include <soc/mt6366.h>
   5 #include <soc/regulator.h>
   6
   7 #define MTK_REGULATOR_INVALID -1
   8
   9 static int get_mt6366_regulator_id(enum mtk_regulator regulator)
  10 {
  11         switch (regulator) {
  12         case MTK_REGULATOR_VDDQ:
  13                 return MT6366_VDDQ;
  14         case MTK_REGULATOR_VCORE:
  15                 return MT6366_VCORE;
  16         case MTK_REGULATOR_VDRAM1:
  17                 return MT6366_VDRAM1;
  18         case MTK_REGULATOR_VMCH:
  19                 return MT6366_VMCH;
  20         case MTK_REGULATOR_VMC:
  21                 return MT6366_VMC;
  22         case MTK_REGULATOR_VPROC12:
  23                 return MT6366_VPROC12;
  24         case MTK_REGULATOR_VSRAM_PROC12:
  25                 return MT6366_VSRAM_PROC12;
  26         case MTK_REGULATOR_VRF12:
  27                 return MT6366_VRF12;
  28         case MTK_REGULATOR_VCN33:
  29                 return MT6366_VCN33;
  30         case MTK_REGULATOR_VIO18:
  31                 return MT6366_VIO18;
  32         default:
  33                 return MTK_REGULATOR_INVALID;
  34         }
  35 }
  36
  37 void mainboard_set_regulator_voltage(enum mtk_regulator regulator, uint32_t voltage_uv)
  38 {
  39         int id;
  40
  41         id = get_mt6366_regulator_id(regulator);
  42         if (id < 0) {
  43                 printk(BIOS_ERR, "Invalid regulator ID: %d\n", regulator);
  44                 return;
  45         }
  46         mt6366_set_voltage(id, voltage_uv);
  47 }
  48
  49 uint32_t mainboard_get_regulator_voltage(enum mtk_regulator regulator)
  50 {
  51         int id;
  52
  53         id = get_mt6366_regulator_id(regulator);
  54         if (id < 0) {
  55                 printk(BIOS_ERR, "Invalid regulator ID: %d\n", regulator);
  56                 return 0;
  57         }
  58         return mt6366_get_voltage(id);
  59 }