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If LDO1 is used by spi flash, then we recommend to give the ownership to the hardware. Software just read the parameters from the efuse and set to PMU.
67 lines
2.4 KiB
Plaintext
67 lines
2.4 KiB
Plaintext
menu "LDO Regulator Configurations"
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depends on SOC_GP_LDO_SUPPORTED
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config ESP_LDO_RESERVE_SPI_NOR_FLASH
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bool "Reserve one LDO regulator channel for SPI NOR Flash (READ HELP)"
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default y
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help
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The LDO channel 1 can be used to power the SPI Flash chip,
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because the channel 1 is enabled by default after power on reset.
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If your SPI flash chip is not powered by ESP internal LDO, you can disable this option.
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Then you will free up one LDO channel for other general purpose.
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config ESP_LDO_CHAN_SPI_NOR_FLASH_DOMAIN
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int "LDO regulator channel that used to power SPI NOR Flash (READ HELP)"
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depends on ESP_LDO_RESERVE_SPI_NOR_FLASH
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default 1
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range 1 1
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help
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Select which LDO channel to connect to the SPI Flash chip.
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choice ESP_LDO_VOLTAGE_SPI_NOR_FLASH_DOMAIN
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prompt "SPI NOR Flash power domain voltage"
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depends on ESP_LDO_RESERVE_SPI_NOR_FLASH
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default ESP_LDO_VOLTAGE_SPI_NOR_FLASH_3300_MV
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help
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Select the voltage used by the Flash power domain.
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config ESP_LDO_VOLTAGE_SPI_NOR_FLASH_3300_MV
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bool "3.3V"
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endchoice
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config ESP_LDO_VOLTAGE_SPI_NOR_FLASH_DOMAIN
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int
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default 3300 if ESP_LDO_VOLTAGE_SPI_NOR_FLASH_3300_MV
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config ESP_LDO_RESERVE_PSRAM
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bool "Reserve one LDO regulator channel for PSRAM (READ HELP)"
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default y
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help
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The LDO channel 2 can be used to power the PSRAM chip.
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If the PSRAM chip is not powered by ESP internal LDO, you can disable this option.
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Then you will free up one LDO channel for other general purpose.
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config ESP_LDO_CHAN_PSRAM_DOMAIN
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int "LDO regulator channel that used to power PSRAM and MPLL (READ HELP)"
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depends on ESP_LDO_RESERVE_PSRAM
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default 2
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range 2 2
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help
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Select which LDO channel to connect to the PSRAM chip.
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choice ESP_LDO_VOLTAGE_PSRAM_DOMAIN
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prompt "PSRAM power domain voltage"
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depends on ESP_LDO_RESERVE_PSRAM
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default ESP_LDO_VOLTAGE_PSRAM_1900_MV
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help
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Select the voltage used by the PSRAM power domain.
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config ESP_LDO_VOLTAGE_PSRAM_1900_MV
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bool "1.9V"
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endchoice
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config ESP_LDO_VOLTAGE_PSRAM_DOMAIN
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int
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default 1900 if ESP_LDO_VOLTAGE_PSRAM_1900_MV
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endmenu
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