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-rw-r--r--src/mainboard/google/corsola/Makefile.inc2
-rw-r--r--src/mainboard/google/corsola/regulator.c44
2 files changed, 46 insertions, 0 deletions
diff --git a/src/mainboard/google/corsola/Makefile.inc b/src/mainboard/google/corsola/Makefile.inc
index 4720dc586f..7995f8a0f2 100644
--- a/src/mainboard/google/corsola/Makefile.inc
+++ b/src/mainboard/google/corsola/Makefile.inc
@@ -8,9 +8,11 @@ verstage-y += reset.c
romstage-y += memlayout.ld
romstage-y += chromeos.c
+romstage-y += regulator.c
romstage-y += romstage.c
ramstage-y += memlayout.ld
ramstage-y += chromeos.c
ramstage-y += mainboard.c
+ramstage-y += regulator.c
ramstage-y += reset.c
diff --git a/src/mainboard/google/corsola/regulator.c b/src/mainboard/google/corsola/regulator.c
new file mode 100644
index 0000000000..1ddc52c3eb
--- /dev/null
+++ b/src/mainboard/google/corsola/regulator.c
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <assert.h>
+#include <console/console.h>
+#include <soc/mt6366.h>
+#include <soc/regulator.h>
+
+#define REGULATOR_NOT_SUPPORT -1
+
+static const int regulator_id[] = {
+ [MTK_REGULATOR_VDD1] = REGULATOR_NOT_SUPPORT,
+ [MTK_REGULATOR_VDD2] = REGULATOR_NOT_SUPPORT,
+ [MTK_REGULATOR_VDDQ] = MT6366_VDDQ,
+ [MTK_REGULATOR_VMDDR] = REGULATOR_NOT_SUPPORT,
+ [MTK_REGULATOR_VCORE] = MT6366_VCORE,
+ [MTK_REGULATOR_VCC] = REGULATOR_NOT_SUPPORT,
+ [MTK_REGULATOR_VCCQ] = REGULATOR_NOT_SUPPORT,
+ [MTK_REGULATOR_VDRAM1] = MT6366_VDRAM1,
+};
+
+_Static_assert(ARRAY_SIZE(regulator_id) == MTK_REGULATOR_NUM, "regulator_id size error");
+
+void mainboard_set_regulator_vol(enum mtk_regulator regulator,
+ uint32_t voltage_uv)
+{
+ assert(regulator < MTK_REGULATOR_NUM);
+
+ if (regulator_id[regulator] < 0) {
+ printk(BIOS_ERR, "Invalid regulator ID: %d\n", regulator);
+ return;
+ }
+ mt6366_set_voltage(regulator_id[regulator], voltage_uv);
+}
+
+uint32_t mainboard_get_regulator_vol(enum mtk_regulator regulator)
+{
+ assert(regulator < MTK_REGULATOR_NUM);
+
+ if (regulator_id[regulator] < 0) {
+ printk(BIOS_ERR, "Invalid regulator ID: %d\n", regulator);
+ return 0;
+ }
+ return mt6366_get_voltage(regulator_id[regulator]);
+}