diff options
| -rw-r--r-- | src/mainboard/google/asurada/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/mainboard/google/asurada/regulator.c | 92 | ||||
| -rw-r--r-- | src/soc/mediatek/common/include/soc/regulator.h | 1 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8192/include/soc/mt6360.h | 16 |
4 files changed, 110 insertions, 0 deletions
diff --git a/src/mainboard/google/asurada/Makefile.inc b/src/mainboard/google/asurada/Makefile.inc index 02fb8300e0..87582b7fbd 100644 --- a/src/mainboard/google/asurada/Makefile.inc +++ b/src/mainboard/google/asurada/Makefile.inc @@ -11,6 +11,7 @@ verstage-y += reset.c romstage-y += memlayout.ld romstage-y += boardid.c romstage-y += chromeos.c +romstage-y += regulator.c romstage-y += romstage.c romstage-y += sdram_configs.c diff --git a/src/mainboard/google/asurada/regulator.c b/src/mainboard/google/asurada/regulator.c new file mode 100644 index 0000000000..b06388dc66 --- /dev/null +++ b/src/mainboard/google/asurada/regulator.c @@ -0,0 +1,92 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <console/console.h> +#include <ec/google/chromeec/ec.h> +#include <soc/mt6359p.h> +#include <soc/mt6360.h> +#include <soc/regulator.h> + +static int get_mt6360_regulator_id(enum mtk_regulator regulator) +{ + switch (regulator) { + case MTK_REGULATOR_VDD2: + return MT6360_BUCK1; + case MTK_REGULATOR_VDDQ: + return MT6360_LDO7; + case MTK_REGULATOR_VMDDR: + return MT6360_LDO6; + default: + break; + } + + return -1; +} + +static int get_mt6359p_regulator_id(enum mtk_regulator regulator) +{ + switch (regulator) { + case MTK_REGULATOR_VCORE: + return MT6359P_GPU11; + default: + break; + } + + return -1; +} + +void mainboard_set_regulator_vol(enum mtk_regulator regulator, + uint32_t voltage_uv) +{ + /* + * Handle the regulator that does not have a regulator ID + * in its underlying implementation. + */ + if (regulator == MTK_REGULATOR_VDD1) { + mt6359p_set_vm18_voltage(voltage_uv); + return; + } + + int id; + + id = get_mt6360_regulator_id(regulator); + if (id >= 0) { + uint32_t voltage_mv = voltage_uv / 1000; + google_chromeec_regulator_set_voltage(id, voltage_mv, voltage_mv); + return; + } + + id = get_mt6359p_regulator_id(regulator); + if (id >= 0) { + mt6359p_buck_set_voltage(id, voltage_uv); + return; + } + + printk(BIOS_WARNING, "Invalid regulator ID: %d\n", regulator); +} + +uint32_t mainboard_get_regulator_vol(enum mtk_regulator regulator) +{ + /* + * Handle the regulator that does not have a regulator ID + * in its underlying implementation. + */ + if (regulator == MTK_REGULATOR_VDD1) + return mt6359p_get_vm18_voltage(); + + int id; + + id = get_mt6360_regulator_id(regulator); + if (id >= 0) { + uint32_t voltage_mv = 0; + google_chromeec_regulator_get_voltage(id, &voltage_mv); + return voltage_mv * 1000; + } + + id = get_mt6359p_regulator_id(regulator); + if (id >= 0) + return mt6359p_buck_get_voltage(id); + + printk(BIOS_WARNING, "Invalid regulator ID: %d\n", regulator); + + return 0; +} diff --git a/src/soc/mediatek/common/include/soc/regulator.h b/src/soc/mediatek/common/include/soc/regulator.h index 258d5503f1..6d9ff4e301 100644 --- a/src/soc/mediatek/common/include/soc/regulator.h +++ b/src/soc/mediatek/common/include/soc/regulator.h @@ -10,6 +10,7 @@ enum mtk_regulator { MTK_REGULATOR_VDD2, MTK_REGULATOR_VDDQ, MTK_REGULATOR_VMDDR, + MTK_REGULATOR_VCORE, }; void mainboard_set_regulator_vol(enum mtk_regulator regulator, diff --git a/src/soc/mediatek/mt8192/include/soc/mt6360.h b/src/soc/mediatek/mt8192/include/soc/mt6360.h new file mode 100644 index 0000000000..a6ee76c08b --- /dev/null +++ b/src/soc/mediatek/mt8192/include/soc/mt6360.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __SOC_MEDIATEK_MT6360_H__ +#define __SOC_MEDIATEK_MT6360_H__ + +enum mt6360_regulator_id { + MT6360_LDO3 = 0, + MT6360_LDO5, + MT6360_LDO6, + MT6360_LDO7, + MT6360_BUCK1, + MT6360_BUCK2, + MT6360_REGULATOR_COUNT, +}; + +#endif /* __SOC_MEDIATEK_MT6360_H__ */ |