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- menu "LED Support"
- config LED
- bool "Enable LED support"
- depends on DM
- help
- Many boards have LEDs which can be used to signal status or alerts.
- U-Boot provides a uclass API to implement this feature. LED drivers
- can provide access to board-specific LEDs. Use of the device tree
- for configuration is encouraged.
- config LED_BCM6328
- bool "LED Support for BCM6328"
- depends on LED && ARCH_BMIPS
- help
- This option enables support for LEDs connected to the BCM6328
- LED HW controller accessed via MMIO registers.
- HW blinking is supported and up to 24 LEDs can be controlled.
- All LEDs can blink at the same time but the delay is shared, which
- means that if one LED is set to blink at 100ms and then a different
- LED is set to blink at 200ms, both will blink at 200ms.
- config LED_BCM6358
- bool "LED Support for BCM6358"
- depends on LED && ARCH_BMIPS
- help
- This option enables support for LEDs connected to the BCM6358
- LED HW controller accessed via MMIO registers.
- HW has no blinking capabilities and up to 32 LEDs can be controlled.
- config LED_BCM6858
- bool "LED Support for BCM6858"
- depends on LED && (ARCH_BCM68360 || ARCH_BCM6858 || ARCH_BCM63158)
- help
- This option enables support for LEDs connected to the BCM6858
- HW has blinking capabilities and up to 32 LEDs can be controlled.
- config LED_CORTINA
- bool "LED Support for Cortina Access CAxxxx SoCs"
- depends on LED && (CORTINA_PLATFORM)
- help
- This option enables support for LEDs connected to the Cortina
- Access CAxxxx SOCs.
- config LED_BLINK
- bool "Support LED blinking"
- depends on LED
- help
- Some drivers can support automatic blinking of LEDs with a given
- period, without needing timers or extra code to handle the timing.
- This option enables support for this which adds slightly to the
- code size.
- config SPL_LED
- bool "Enable LED support in SPL"
- depends on SPL && SPL_DM
- help
- The LED subsystem adds a small amount of overhead to the image.
- If this is acceptable and you have a need to use LEDs in SPL,
- enable this option. You will need to enable device tree in SPL
- for this to work.
- config LED_GPIO
- bool "LED support for GPIO-connected LEDs"
- depends on LED && DM_GPIO
- help
- Enable support for LEDs which are connected to GPIO lines. These
- GPIOs may be on the SoC or some other device which provides GPIOs.
- The GPIO driver must used driver model. LEDs are configured using
- the device tree.
- config SPL_LED_GPIO
- bool "LED support for GPIO-connected LEDs in SPL"
- depends on SPL_LED && DM_GPIO
- help
- This option is an SPL-variant of the LED_GPIO option.
- See the help of LED_GPIO for details.
- config LED_STATUS
- bool "Enable status LED API"
- help
- Allows common u-boot commands to use a board's leds to
- provide status for activities like booting and downloading files.
- if LED_STATUS
- # Hidden constants
- config LED_STATUS_OFF
- int
- default 0
- config LED_STATUS_BLINKING
- int
- default 1
- config LED_STATUS_ON
- int
- default 2
- # Hidden constants end
- config LED_STATUS_GPIO
- bool "GPIO status LED implementation"
- help
- The status LED can be connected to a GPIO pin. In such cases, the
- gpio_led driver can be used as a status LED backend implementation.
- config LED_STATUS_BOARD_SPECIFIC
- bool "Specific board"
- default y
- help
- LED support is only for a specific board.
- comment "LEDs parameters"
- config LED_STATUS0
- bool "Enable status LED 0"
- if LED_STATUS0
- config LED_STATUS_BIT
- int "identification"
- help
- CONFIG_LED_STATUS_BIT is passed into the __led_* functions to identify
- which LED is being acted on. As such, the chosen value must be unique
- with respect to the other CONFIG_LED_STATUS_BIT's. Mapping the value
- to a physical LED is the responsibility of the __led_* function.
- config LED_STATUS_STATE
- int "initial state"
- range LED_STATUS_OFF LED_STATUS_ON
- default LED_STATUS_OFF
- help
- Should be set one of the following:
- 0 - off
- 1 - blinking
- 2 - on
- config LED_STATUS_FREQ
- int "blink frequency"
- range 2 10
- default 2
- help
- The LED blink period calculated from LED_STATUS_FREQ:
- LED_STATUS_PERIOD = CONFIG_SYS_HZ/LED_STATUS_FREQ
- Values range: 2 - 10
- endif # LED_STATUS0
- config LED_STATUS1
- bool "Enable status LED 1"
- if LED_STATUS1
- config LED_STATUS_BIT1
- int "identification"
- help
- CONFIG_LED_STATUS_BIT1 is passed into the __led_* functions to
- identify which LED is being acted on. As such, the chosen value must
- be unique with respect to the other CONFIG_LED_STATUS_BIT's. Mapping
- the value to a physical LED is the responsibility of the __led_*
- function.
- config LED_STATUS_STATE1
- int "initial state"
- range LED_STATUS_OFF LED_STATUS_ON
- default LED_STATUS_OFF
- help
- Should be set one of the following:
- 0 - off
- 1 - blinking
- 2 - on
- config LED_STATUS_FREQ1
- int "blink frequency"
- range 2 10
- default 2
- help
- The LED blink period calculated from LED_STATUS_FREQ1:
- LED_STATUS_PERIOD1 = CONFIG_SYS_HZ/LED_STATUS_FREQ1
- Values range: 2 - 10
- endif # LED_STATUS1
- config LED_STATUS2
- bool "Enable status LED 2"
- if LED_STATUS2
- config LED_STATUS_BIT2
- int "identification"
- help
- CONFIG_LED_STATUS_BIT2 is passed into the __led_* functions to
- identify which LED is being acted on. As such, the chosen value must
- be unique with respect to the other CONFIG_LED_STATUS_BIT's. Mapping
- the value to a physical LED is the responsibility of the __led_*
- function.
- config LED_STATUS_STATE2
- int "initial state"
- range LED_STATUS_OFF LED_STATUS_ON
- default LED_STATUS_OFF
- help
- Should be set one of the following:
- 0 - off
- 1 - blinking
- 2 - on
- config LED_STATUS_FREQ2
- int "blink frequency"
- range 2 10
- default 2
- help
- The LED blink period calculated from LED_STATUS_FREQ2:
- LED_STATUS_PERIOD2 = CONFIG_SYS_HZ/LED_STATUS_FREQ2
- Values range: 2 - 10
- endif # LED_STATUS2
- config LED_STATUS3
- bool "Enable status LED 3"
- if LED_STATUS3
- config LED_STATUS_BIT3
- int "identification"
- help
- CONFIG_LED_STATUS_BIT3 is passed into the __led_* functions to
- identify which LED is being acted on. As such, the chosen value must
- be unique with respect to the other CONFIG_LED_STATUS_BIT's. Mapping
- the value to a physical LED is the responsibility of the __led_*
- function.
- config LED_STATUS_STATE3
- int "initial state"
- range LED_STATUS_OFF LED_STATUS_ON
- default LED_STATUS_OFF
- help
- Should be set one of the following:
- 0 - off
- 1 - blinking
- 2 - on
- config LED_STATUS_FREQ3
- int "blink frequency"
- range 2 10
- default 2
- help
- The LED blink period calculated from LED_STATUS_FREQ3:
- LED_STATUS_PERIOD3 = CONFIG_SYS_HZ/LED_STATUS_FREQ3
- Values range: 2 - 10
- endif # LED_STATUS3
- config LED_STATUS4
- bool "Enable status LED 4"
- if LED_STATUS4
- config LED_STATUS_BIT4
- int "identification"
- help
- CONFIG_LED_STATUS_BIT4 is passed into the __led_* functions to
- identify which LED is being acted on. As such, the chosen value must
- be unique with respect to the other CONFIG_LED_STATUS_BIT's. Mapping
- the value to a physical LED is the responsibility of the __led_*
- function.
- config LED_STATUS_STATE4
- int "initial state"
- range LED_STATUS_OFF LED_STATUS_ON
- default LED_STATUS_OFF
- help
- Should be set one of the following:
- 0 - off
- 1 - blinking
- 2 - on
- config LED_STATUS_FREQ4
- int "blink frequency"
- range 2 10
- default 2
- help
- The LED blink period calculated from LED_STATUS_FREQ4:
- LED_STATUS_PERIOD4 = CONFIG_SYS_HZ/LED_STATUS_FREQ4
- Values range: 2 - 10
- endif # LED_STATUS4
- config LED_STATUS5
- bool "Enable status LED 5"
- if LED_STATUS5
- config LED_STATUS_BIT5
- int "identification"
- help
- CONFIG_LED_STATUS_BIT5 is passed into the __led_* functions to
- identify which LED is being acted on. As such, the chosen value must
- be unique with respect to the other CONFIG_LED_STATUS_BIT's. Mapping
- the value to a physical LED is the responsibility of the __led_*
- function.
- config LED_STATUS_STATE5
- int "initial state"
- range LED_STATUS_OFF LED_STATUS_ON
- default LED_STATUS_OFF
- help
- Should be set one of the following:
- 0 - off
- 1 - blinking
- 2 - on
- config LED_STATUS_FREQ5
- int "blink frequency"
- range 2 10
- default 2
- help
- The LED blink period calculated from LED_STATUS_FREQ5:
- LED_STATUS_PERIOD5 = CONFIG_SYS_HZ/LED_STATUS_FREQ5
- Values range: 2 - 10
- endif # LED_STATUS5
- config LED_STATUS_BOOT_ENABLE
- bool "Enable BOOT LED"
- help
- Enable to turn an LED on when the board is booting.
- if LED_STATUS_BOOT_ENABLE
- config LED_STATUS_BOOT
- int "LED to light when the board is booting"
- help
- Valid enabled LED device number.
- endif # LED_STATUS_BOOT_ENABLE
- config LED_STATUS_RED_ENABLE
- bool "Enable red LED"
- help
- Enable red status LED.
- if LED_STATUS_RED_ENABLE
- config LED_STATUS_RED
- int "Red LED identification"
- help
- Valid enabled LED device number.
- endif # LED_STATUS_RED_ENABLE
- config LED_STATUS_YELLOW_ENABLE
- bool "Enable yellow LED"
- help
- Enable yellow status LED.
- if LED_STATUS_YELLOW_ENABLE
- config LED_STATUS_YELLOW
- int "Yellow LED identification"
- help
- Valid enabled LED device number.
- endif # LED_STATUS_YELLOW_ENABLE
- config LED_STATUS_BLUE_ENABLE
- bool "Enable blue LED"
- help
- Enable blue status LED.
- if LED_STATUS_BLUE_ENABLE
- config LED_STATUS_BLUE
- int "Blue LED identification"
- help
- Valid enabled LED device number.
- endif # LED_STATUS_BLUE_ENABLE
- config LED_STATUS_GREEN_ENABLE
- bool "Enable green LED"
- help
- Enable green status LED.
- if LED_STATUS_GREEN_ENABLE
- config LED_STATUS_GREEN
- int "Green LED identification"
- help
- Valid enabled LED device number (0-5).
- endif # LED_STATUS_GREEN_ENABLE
- config LED_STATUS_CMD
- bool "Enable status LED commands"
- endif # LED_STATUS
- endmenu
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