#
# For a description of the syntax of this configuration file,
# see the file kconfig-language.txt in the NuttX tools repository.
#

#####################################################################
#  UART Configuration
#####################################################################

if RP2040_UART0

  config RP2040_UART0_TX_GPIO
   int "GPIO pin for UART0 TX (0, 12, 16, or 28)"
    default 0
    range 0 28
    ---help---
      RP2040 UART0 TX pin number used for data transmitted
      from the RP2040. Refer to board documentation to see
      which pins are available.

  config RP2040_UART0_RX_GPIO
   int "GPIO pin for UART0 RX (1, 13, 17, or 29)"
    default 1
    range 1 29
    ---help---
      RP2040 UART0 RX pin number used for data received by the
      RP2040.  Refer to board documentation to see which pins
      are available.

  if SERIAL_IFLOWCONTROL

  config RP2040_UART0_CTS_GPIO
   int "GPIO pin for UART0 CTS (2, 14, or 18)"
    default 2
    range 2 18
    ---help---
      RP2040 UART0 CTS pin number an output pin that reflects the
      UARTs ability to receive data.  This pin will be asserted when
      the UART is able to receive another character. Refer to board
      documentation to see which pins are available.

  endif # SERIAL_IFLOWCONTROL

  if SERIAL_OFLOWCONTROL

    config RP2040_UART0_RTS_GPIO
   int "GPIO pin for UART0 RTS (3, 15, or 19)"
      default 3
      range 2 19
      ---help---
        RP2040 UART0 RTS pin number an input pin used to control
        transmission by the UART.  If output flow control is
        enabled this pin must be asserted before data will be
        transmitted.  Refer to board documentation to see which
        pins are available.

  endif # SERIAL_OFLOWCONTROL

endif # RP2040_UART0

#####################################################################

if RP2040_UART1

  config RP2040_UART1_TX_GPIO
   int "GPIO pin for UART1 TX (4, 8, 20, or 24)"
    default 20
    range 4 24
    ---help---
      RP2040 UART1 TX pin number.  Refer to board documentation
      to see which pins are available.

  config RP2040_UART1_RX_GPIO
   int "GPIO pin for UART1 RX (5, 9, 21, or 25)"
    default 21
    range 5 25
    ---help---
      RP2040 UART1 RX pin number.  Refer to board documentation
      to see which pins are available.

  if SERIAL_IFLOWCONTROL

    config RP2040_UART1_CTS_GPIO
   int "GPIO pin for UART1 CTS (6, 10, 22, or 26)"
      default 22
      range 6 26
      ---help---
        RP2040 UART1 CTS pin number an output pin that reflects the
        UARTs ability to receive data.  This pin will be asserted when
        the UART is able to receive another character.  Refer to board
        documentation to see which pins are available.

  endif # SERIAL_IFLOWCONTROL

  if SERIAL_OFLOWCONTROL

    config RP2040_UART1_RTS_GPIO
   int "GPIO pin for UART1 RTS (7, 11, 23, or 27)"
      default 23
      range 7 27
      ---help---
        RP2040 UART01 RTS pin number an input pin used to control
        transmission by the UART.  If output flow control is
        enabled this pin must be asserted before data will be
        transmitted.  Refer to board documentation to see which
        pins are available.

  endif # SERIAL_OFLOWCONTROL

endif # RP2040_UART1

#####################################################################
#  SPI Configuration
#####################################################################

if RP2040_SPI0

  config RP2040_SPI0_RX_GPIO
   int "GPIO pin for SPI0 RX (0, 4, 16, or 20)"
    default 16
    range 0 20
    ---help---
      Refer to board documentation to see which pins are available.
      This line is also known as MISO when we are configured in
      SPI master mode.

  config RP2040_SPI0_CS_GPIO
   int "GPIO pin for SPI0 CSn (1, 5, 17, or 21)"
    default 17
    range 1 21
    ---help---
      Refer to board documentation to see which pins are available.


  config RP2040_SPI0_SCK_GPIO
   int "GPIO pin for SPI0 SCK (2, 6, 18, or 22)"
    default 18
    range 2 22
    ---help---
      Refer to board documentation to see which pins are available.

  config RP2040_SPI0_TX_GPIO
   int "GPIO pin for SPI0 TX (3, 7, 19, or 23)"
    default 19
    range 3 23
    ---help---
      Refer to board documentation to see which pins are available.
      This line is also known as MOSI when we are configured in
      SPI master mode.

endif # RP2040_SPI0

#####################################################################

if RP2040_SPI1

  config RP2040_SPI1_RX_GPIO
   int "GPIO pin for SPI1 RX (8, 12, 24, or 28)"
    default 8
    range 8 28
    ---help---
      Refer to board documentation to see which pins are available.
      This line is also known as MISO when we are configured in
      SPI master mode, or MOSI when slave mode is configured.

  config RP2040_SPI1_CS_GPIO
   int "GPIO pin for SPI1 CSn (9, 13, 25, or 29)"
    default 9
    range 9 29
    ---help---
      Refer to board documentation to see which pins are available.

  config RP2040_SPI1_SCK_GPIO
   int "GPIO pin for SPI1 SCK (10, 14, or 26)"
    default 10
    range 10 26
    ---help---
      Refer to board documentation to see which pins are available.

  config RP2040_SPI1_TX_GPIO
   int "GPIO pin for SPI1 TX (11, 15, or 27)"
    default 11
    range 11 27
    ---help---
      Refer to board documentation to see which pins are available.
      This line is also known as MOSI when we are configured in
      SPI master mode, or MISO when slave mode is configured.

endif # RP2040_SPI1

#####################################################################
#  I2C Configuration
#####################################################################

if RP2040_I2C0 || RP2040_I2C0_SLAVE

  config RP2040_I2C0_SDA_GPIO
   int "GPIO pin for I2C0 SDA (0, 4, 8, 12, 16, 20, 24, or 28)"
    default 4
    range 0 28
    ---help---
      Refer to board documentation to see which pins are available.

  config RP2040_I2C0_SCL_GPIO
   int "GPIO pin for I2C0 SCL (1, 5, 9, 13, 17, 21, 25, or 29)"
    default 5
    range 1 29
    ---help---
      Refer to board documentation to see which pins are available.

endif # RP2040_I2C0 || RP2040_I2C0_SLAVE

#####################################################################

if RP2040_I2C1 || RP2040_I2C0_SLAVE

  config RP2040_I2C1_SDA_GPIO
   int "GPIO pin for I2C1 SDA (2, 6, 10, 14, 18, 22, or 26)"
    default 6
    range 2 26
    ---help---
      Refer to board documentation to see which pins are available.

  config RP2040_I2C1_SCL_GPIO
   int "GPIO pin for I2C1 SCL (3, 7, 11, 15, 19, 23, or 27)"
    default 7
    range 3 27
    ---help---
      Refer to board documentation to see which pins are available.

endif # RP2040_I2C1 || RP2040_I2C0_SLAVE

#####################################################################
#  PWM Configuration
#####################################################################

if RP2040_PWM0

  config RP2040_PWM0A_GPIO
    int "GPIO pin for PWM0 channel 1 (0, 16 or -1:no assign)"
    default 0
    range -1 16
    ---help---
      This sets the GPIO pin to use for the A channel it must be
      either 0 or 16, any other value disables the output.
      Refer to board documentation to see which pins are available.

  if PWM_MULTICHAN && PWM_NCHANNELS > 1

    config RP2040_PWM0B_GPIO
      int "GPIO pin for PWM0 channel 2 (1, 17 or -1:no assign)"
      default 1
      range -1 29
      ---help---
        This sets the GPIO pin to use for the B channel it must be
        either 1 or 17, any other value disables the output.
        Refer to board documentation to see which pins are available.

  endif # PWM_MULTICHAN && PWM_NCHANNELS > 1

endif # RP2040_PWM0

#####################################################################

if RP2040_PWM1

  config RP2040_PWM1A_GPIO
    int "GPIO pin for PWM1 channel 1 (2, 18 or -1:no assign)"
    default 2
    range -1 29
    ---help---
      This sets the GPIO pin to use for the A channel it must be
      either 2 or 18, any other value disables the output.
      Refer to board documentation to see which pins are available.

  if PWM_MULTICHAN && PWM_NCHANNELS > 1

    config RP2040_PWM1B_GPIO
      int "GPIO pin for PWM1 channel 2 (3, 19 or -1:no assign)"
      default 3
      range -1 29
      ---help---
        This sets the GPIO pin to use for the B channel it must be
        either 3 or 19, any other value disables the output.
        Refer to board documentation to see which pins are available.

  endif # PWM_MULTICHAN && PWM_NCHANNELS > 1

endif # RP2040_PWM1

#####################################################################

if RP2040_PWM2

  config RP2040_PWM2A_GPIO
    int "GPIO pin for PWM2 channel 1 (4, 20 or -1:no assign)"
    default 4
    range -1 29
    ---help---
      This sets the GPIO pin to use for the A channel it must be
      either 4 or 20, any other value disables the output.
      Refer to board documentation to see which pins are available.

  if PWM_MULTICHAN && PWM_NCHANNELS > 1

    config RP2040_PWM2B_GPIO
      int "GPIO pin for PWM2 channel 2 (5, 21 or -1:no assign)"
      default 5
      range -1 29
      ---help---
        This sets the GPIO pin to use for the B channel it must be
        either 5 or 21, any other value disables the output.
        Refer to board documentation to see which pins are available.

  endif # PWM_MULTICHAN && PWM_NCHANNELS > 1

endif # RP2040_PWM2

#####################################################################

if RP2040_PWM3

  config RP2040_PWM3A_GPIO

    int "GPIO pin for PWM3 channel 1 (6, 22 or -1:no assign)"
    default 6
    range -1 29
    ---help---
      This sets the GPIO pin to use for the A channel it must be
      either 6 or 22, any other value disables the output.
      Refer to board documentation to see which pins are available.

  if PWM_MULTICHAN && PWM_NCHANNELS > 1

    config RP2040_PWM3B_GPIO
      int "GPIO pin for PWM3 channel 2 (7, 23 or -1:no assign)"
      default 7
      range -1 29
      ---help---
        This sets the GPIO pin to use for the B channel it must be
        either 7 or 23, any other value disables the output.
        Refer to board documentation to see which pins are available.

  endif # PWM_MULTICHAN && PWM_NCHANNELS > 1

endif # RP2040_PWM3

#####################################################################

if RP2040_PWM4

  config RP2040_PWM4A_GPIO
    int "GPIO pin for PWM4 channel 1 (8, 24 or -1:no assign)"
    default 8
    range -1 29
    ---help---
      This sets the GPIO pin to use for the A channel it must be
      either 8 or 24, any other value disables the output.
      Refer to board documentation to see which pins are available.

  if PWM_MULTICHAN && PWM_NCHANNELS > 1

    config RP2040_PWM4B_GPIO
      int "GPIO pin for PWM4 channel 2 (9, 25 or -1:no assign)"
      default 9
      range -1 29
      ---help---
        This sets the GPIO pin to use for the B channel it must be
        either 9 or 25, any other value disables the output.
        Refer to board documentation to see which pins are available.

  endif # PWM_MULTICHAN && PWM_NCHANNELS > 1

endif # RP2040_PWM4

#####################################################################

if RP2040_PWM5

  config RP2040_PWM5A_GPIO
    int "GPIO pin for PWM5 channel 1 (10, 26 or -1:no assign)"
    default 10
    range -1 29
    ---help---
      This sets the GPIO pin to use for the A channel it must be
      either 10 or 26, any other value disables the output.
      Refer to board documentation to see which pins are available.

  if PWM_MULTICHAN && PWM_NCHANNELS > 1

    config RP2040_PWM5B_GPIO
      int "GPIO pin for PWM5 channel 2 (11, 27 or -1:no assign)"
      default 11
      range -1 29
      ---help---
        This sets the GPIO pin to use for the B channel it must be
        either 11 or 27, any other value disables the output.
        Refer to board documentation to see which pins are available.

  endif # PWM_MULTICHAN && PWM_NCHANNELS > 1

endif # RP2040_PWM5

#####################################################################

if RP2040_PWM6

  config RP2040_PWM6A_GPIO
    int "GPIO pin for PWM6 channel 1 (12, 28 or -1:no assign)"
    default 12
    range -1 29
    ---help---
      This sets the GPIO pin to use for the A channel it must be
      either 12 or 28, any other value disables the output.
      Refer to board documentation to see which pins are available.

  if PWM_MULTICHAN && PWM_NCHANNELS > 1

    config RP2040_PWM6B_GPIO
      int "GPIO pin for PWM6 channel 2 (13, 29 or -1:no assign)"
      default 13
      range -1 29
      ---help---
        This sets the GPIO pin to use for the B channel it must be
        either 13 or 29, any other value disables the output.
        Refer to board documentation to see which pins are available.

  endif # PWM_MULTICHAN && PWM_NCHANNELS > 1

endif # RP2040_PWM6

#####################################################################

if RP2040_PWM7

  config RP2040_PWM7A_GPIO
    int "GPIO pin for PWM7 channel 1 (14 or -1:no assign)"
    default 14
    range -1 29
    ---help---
      This sets the GPIO pin to use for the A channel it must be
      either 14, any other value disables the output.
      Refer to board documentation to see if pin 14 is available.

  if PWM_MULTICHAN && PWM_NCHANNELS > 1

    config RP2040_PWM7B_GPIO
      int "GPIO pin for PWM7 channel 2 (15 or -1:no assign)"
      default 15
      range -1 29
      ---help---
        This sets the GPIO pin to use for the B channel it must be
        either 15, any other value disables the output.
        Refer to board documentation to see if pin 15 is available.

  endif # PWM_MULTICHAN && PWM_NCHANNELS > 1

endif # RP2040_PWM7
		
#####################################################################
#  I2S Configuration
#####################################################################

if RP2040_I2S

  config RP2040_I2S_DATA
    int "GPIO pin for I2S DATA (0-29)"
    default 9
    range 0 29

  config RP2040_I2S_CLOCK
    int "GPIO pin for I2S CLOCK (0-29)"
    default 10
    range 0 29

endif # RP2040_I2S

		
#####################################################################
#  WS2812 Configuration
#####################################################################

if RP2040_BOARD_HAS_WS2812

	config RP2040_WS2812_GPIO_PIN
		int "GPIO pin for ws2812 data line (0-29)"
		default 0
		range 0 29
		---help---
			This is the GPIO pin used to send data to the
			configured ws2812 pixels.

	config RP2040_WS2812_PWR_GPIO
		int "GPIO pin for ws2812 power (0-29, or -1 if not used)"
		default -1
		range -1 29
		---help---
			Some RP2040 boards have an on-board ws2812
			that is powered by a GPIO pin.  Set this
			value to -1 if your board does not have
			such a pin.

endif # RP2040_BOARD_HAS_WS2812