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authorRex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com>2021-11-10 14:00:36 +0800
committerHung-Te Lin <hungte@chromium.org>2021-11-15 03:07:08 +0000
commitea0b13205af6194d28babcd8e0c30f91c1550012 (patch)
tree0613725db1f92456bd4fe4cfc01a0728e4d28357 /src
parentfb06ca0aa73526f2b1a84ee1b72b91af5225591b (diff)
mb/google/corsola: Implement regulator interface
Use regulator interface to use regulator more easily. TEST=build pass BUG=b:202871018 Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com> Change-Id: Ied43cba51036c62a120df2afffeb63b5d73f012b Reviewed-on: https://review.coreboot.org/c/coreboot/+/59250 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/corsola/Makefile.inc2
-rw-r--r--src/mainboard/google/corsola/regulator.c44
-rw-r--r--src/soc/mediatek/common/include/soc/regulator.h3
3 files changed, 48 insertions, 1 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]);
+}
diff --git a/src/soc/mediatek/common/include/soc/regulator.h b/src/soc/mediatek/common/include/soc/regulator.h
index 0cd0f1e8b7..08ce47f1d0 100644
--- a/src/soc/mediatek/common/include/soc/regulator.h
+++ b/src/soc/mediatek/common/include/soc/regulator.h
@@ -13,12 +13,13 @@ enum mtk_regulator {
MTK_REGULATOR_VCORE,
MTK_REGULATOR_VCC,
MTK_REGULATOR_VCCQ,
+ MTK_REGULATOR_VDRAM1,
+ MTK_REGULATOR_NUM,
};
void mainboard_set_regulator_vol(enum mtk_regulator regulator,
uint32_t voltage_uv);
uint32_t mainboard_get_regulator_vol(enum mtk_regulator regulator);
-
int mainboard_enable_regulator(enum mtk_regulator regulator, uint8_t enable);
uint8_t mainboard_regulator_is_enabled(enum mtk_regulator regulator);