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-rw-r--r--src/mainboard/google/asurada/Makefile.inc1
-rw-r--r--src/mainboard/google/asurada/regulator.c43
2 files changed, 44 insertions, 0 deletions
diff --git a/src/mainboard/google/asurada/Makefile.inc b/src/mainboard/google/asurada/Makefile.inc
index 87582b7fbd..601b485555 100644
--- a/src/mainboard/google/asurada/Makefile.inc
+++ b/src/mainboard/google/asurada/Makefile.inc
@@ -20,3 +20,4 @@ ramstage-y += boardid.c
ramstage-y += chromeos.c
ramstage-y += mainboard.c
ramstage-y += reset.c
+ramstage-y += regulator.c
diff --git a/src/mainboard/google/asurada/regulator.c b/src/mainboard/google/asurada/regulator.c
index b06388dc66..d57df0126d 100644
--- a/src/mainboard/google/asurada/regulator.c
+++ b/src/mainboard/google/asurada/regulator.c
@@ -15,6 +15,10 @@ static int get_mt6360_regulator_id(enum mtk_regulator regulator)
return MT6360_LDO7;
case MTK_REGULATOR_VMDDR:
return MT6360_LDO6;
+ case MTK_REGULATOR_VCC:
+ return MT6360_LDO5;
+ case MTK_REGULATOR_VCCQ:
+ return MT6360_LDO3;
default:
break;
}
@@ -90,3 +94,42 @@ uint32_t mainboard_get_regulator_vol(enum mtk_regulator regulator)
return 0;
}
+
+int mainboard_enable_regulator(enum mtk_regulator regulator, uint8_t enable)
+{
+ /* Return 0 if the regulator is already enabled or disabled. */
+ if (mainboard_regulator_is_enabled(regulator) == enable)
+ return 0;
+
+ int id;
+
+ id = get_mt6360_regulator_id(regulator);
+ if (id < 0) {
+ printk(BIOS_WARNING, "Invalid regulator ID: %d\n", regulator);
+ return -1;
+ }
+
+ return google_chromeec_regulator_enable(id, enable);
+}
+
+uint8_t mainboard_regulator_is_enabled(enum mtk_regulator regulator)
+{
+ int id;
+
+ id = get_mt6360_regulator_id(regulator);
+ if (id < 0) {
+ printk(BIOS_WARNING, "Invalid regulator ID: %d\n; assuming disabled",
+ regulator);
+ return 0;
+ }
+
+ uint8_t enabled;
+ if (google_chromeec_regulator_is_enabled(id, &enabled) < 0) {
+ printk(BIOS_WARNING,
+ "Failed to query regulator ID: %d\n; assuming disabled",
+ regulator);
+ return 0;
+ }
+
+ return enabled;
+}