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mb/google/rauru: Implement regulator interface

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Control regulator more easily with regulator interface.

TEST=build pass
BUG=b:317009620

Change-Id: I3cad68dbb2c5873c4e00066da18b1593b88ff499
Signed-off-by: Hope Wang <hope.wang@mediatek.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85563
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yidi Lin <yidilin@google.com>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
This commit is contained in:
Jarried Lin 2024-11-11 11:58:15 +08:00 • committed by Yidi Lin
commit 2609519704
2 changed files with 89 additions and 0 deletions
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1
src/mainboard/google/rauru/Makefile.mk
View file

@ -9,3 +9,4 @@ bootblock-y += bootblock.c
romstage-y += romstage.c
ramstage-y += mainboard.c
ramstage-y += regulator.c

88
src/mainboard/google/rauru/regulator.c Normal file
View file

@ -0,0 +1,88 @@
/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
#include <console/console.h>
#include <soc/mt6373.h>
#include <soc/regulator.h>
#define MTK_REGULATOR_INVALID -1
static int get_mt6373_regulator_id(enum mtk_regulator regulator)
{
switch (regulator) {
case MTK_REGULATOR_VMCH:
return MT6373_VMCH;
case MTK_REGULATOR_VMC:
return MT6373_VMC;
default:
return MTK_REGULATOR_INVALID;
}
}
void mainboard_set_regulator_voltage(enum mtk_regulator regulator, uint32_t voltage_uv)
{
int id;
id = get_mt6373_regulator_id(regulator);
if (id < 0) {
printk(BIOS_ERR, "Invalid regulator ID: %d\n", regulator);
return;
}
switch (id) {
case MT6373_VMCH:
mt6373_set_vmch_voltage(voltage_uv);
break;
case MT6373_VMC:
mt6373_set_vmc_voltage(voltage_uv);
break;
default:
printk(BIOS_ERR, "Regulator ID %d: not supported\n", regulator);
break;
}
}
uint32_t mainboard_get_regulator_voltage(enum mtk_regulator regulator)
{
int id;
id = get_mt6373_regulator_id(regulator);
if (id < 0) {
printk(BIOS_ERR, "Invalid regulator ID: %d\n", regulator);
return 0;
}
switch (id) {
case MT6373_VMCH:
return mt6373_get_vmch_voltage();
case MT6373_VMC:
return mt6373_get_vmc_voltage();
default:
printk(BIOS_ERR, "Regulator ID %d: not supported\n", regulator);
return 0;
}
}
int mainboard_enable_regulator(enum mtk_regulator regulator, bool enable)
{
int id;
id = get_mt6373_regulator_id(regulator);
if (id < 0) {
printk(BIOS_ERR, "Invalid regulator ID: %d\n", regulator);
return -1;
}
switch (id) {
case MT6373_VMCH:
mt6373_enable_vmch(enable);
break;
case MT6373_VMC:
mt6373_enable_vmc(enable);
break;
default:
printk(BIOS_ERR, "Regulator ID %d: not supported\n", regulator);
break;
}
return 0;
}