nrf-pinctrl.h File Reference

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Macros
#define	NRF_PSEL(fun, port, pin)
	Utility macro to build nRF psels property entry.
#define	NRF_PSEL_DISCONNECTED(fun)
	Utility macro to build nRF psels property entry when a pin is disconnected.
nRF pin configuration bit field positions and masks.
#define	NRF_FUN_POS   18U
	Position of the function field.
#define	NRF_FUN_MSK   0x3FFFU
	Mask for the function field.
#define	NRF_CLOCKPIN_ENABLE_POS   17U
	Position of the clockpin enable field.
#define	NRF_CLOCKPIN_ENABLE_MSK   0x1U
	Mask for the clockpin enable field.
#define	NRF_INVERT_POS   16U
	Position of the invert field.
#define	NRF_INVERT_MSK   0x1U
	Mask for the invert field.
#define	NRF_LP_POS   15U
	Position of the low power field.
#define	NRF_LP_MSK   0x1U
	Mask for the low power field.
#define	NRF_DRIVE_POS   11U
	Position of the drive configuration field.
#define	NRF_DRIVE_MSK   0xFU
	Mask for the drive configuration field.
#define	NRF_PULL_POS   9U
	Position of the pull configuration field.
#define	NRF_PULL_MSK   0x3U
	Mask for the pull configuration field.
#define	NRF_PIN_POS   0U
	Position of the pin field.
#define	NRF_PIN_MSK   0x1FFU
	Mask for the pin field.
nRF pinctrl pin functions.
#define	NRF_FUN_UART_TX   0U
	UART TX.
#define	NRF_FUN_UART_RX   1U
	UART RX.
#define	NRF_FUN_UART_RTS   2U
	UART RTS.
#define	NRF_FUN_UART_CTS   3U
	UART CTS.
#define	NRF_FUN_SPIM_SCK   4U
	SPI master SCK.
#define	NRF_FUN_SPIM_MOSI   5U
	SPI master MOSI.
#define	NRF_FUN_SPIM_MISO   6U
	SPI master MISO.
#define	NRF_FUN_SPIS_SCK   7U
	SPI slave SCK.
#define	NRF_FUN_SPIS_MOSI   8U
	SPI slave MOSI.
#define	NRF_FUN_SPIS_MISO   9U
	SPI slave MISO.
#define	NRF_FUN_SPIS_CSN   10U
	SPI slave CSN.
#define	NRF_FUN_TWIM_SCL   11U
	TWI master SCL.
#define	NRF_FUN_TWIM_SDA   12U
	TWI master SDA.
#define	NRF_FUN_I2S_SCK_M   13U
	I2S SCK in master mode.
#define	NRF_FUN_I2S_SCK_S   14U
	I2S SCK in slave mode.
#define	NRF_FUN_I2S_LRCK_M   15U
	I2S LRCK in master mode.
#define	NRF_FUN_I2S_LRCK_S   16U
	I2S LRCK in slave mode.
#define	NRF_FUN_I2S_SDIN   17U
	I2S SDIN.
#define	NRF_FUN_I2S_SDOUT   18U
	I2S SDOUT.
#define	NRF_FUN_I2S_MCK   19U
	I2S MCK.
#define	NRF_FUN_PDM_CLK   20U
	PDM CLK.
#define	NRF_FUN_PDM_DIN   21U
	PDM DIN.
#define	NRF_FUN_PWM_OUT0   22U
	PWM OUT0.
#define	NRF_FUN_PWM_OUT1   23U
	PWM OUT1.
#define	NRF_FUN_PWM_OUT2   24U
	PWM OUT2.
#define	NRF_FUN_PWM_OUT3   25U
	PWM OUT3.
#define	NRF_FUN_QDEC_A   26U
	QDEC A.
#define	NRF_FUN_QDEC_B   27U
	QDEC B.
#define	NRF_FUN_QDEC_LED   28U
	QDEC LED.
#define	NRF_FUN_QSPI_SCK   29U
	QSPI SCK.
#define	NRF_FUN_QSPI_CSN   30U
	QSPI CSN.
#define	NRF_FUN_QSPI_IO0   31U
	QSPI IO0.
#define	NRF_FUN_QSPI_IO1   32U
	QSPI IO1.
#define	NRF_FUN_QSPI_IO2   33U
	QSPI IO2.
#define	NRF_FUN_QSPI_IO3   34U
	QSPI IO3.
#define	NRF_FUN_EXMIF_CK   35U
	EXMIF CK.
#define	NRF_FUN_EXMIF_DQ0   36U
	EXMIF DQ0.
#define	NRF_FUN_EXMIF_DQ1   37U
	EXMIF DQ1.
#define	NRF_FUN_EXMIF_DQ2   38U
	EXMIF DQ2.
#define	NRF_FUN_EXMIF_DQ3   39U
	EXMIF DQ3.
#define	NRF_FUN_EXMIF_DQ4   40U
	EXMIF DQ4.
#define	NRF_FUN_EXMIF_DQ5   41U
	EXMIF DQ5.
#define	NRF_FUN_EXMIF_DQ6   42U
	EXMIF DQ6.
#define	NRF_FUN_EXMIF_DQ7   43U
	EXMIF DQ7.
#define	NRF_FUN_EXMIF_CS0   44U
	EXMIF CS0.
#define	NRF_FUN_EXMIF_CS1   45U
	EXMIF CS1.
#define	NRF_FUN_CAN_TX   46U
	CAN TX.
#define	NRF_FUN_CAN_RX   47U
	CAN RX.
nRF pinctrl output drive.
#define	NRF_DRIVE_S0S1   0U
	Standard '0', standard '1'.
#define	NRF_DRIVE_H0S1   1U
	High drive '0', standard '1'.
#define	NRF_DRIVE_S0H1   2U
	Standard '0', high drive '1'.
#define	NRF_DRIVE_H0H1   3U
	High drive '0', high drive '1'.
#define	NRF_DRIVE_D0S1   4U
	Disconnect '0' standard '1'.
#define	NRF_DRIVE_D0H1   5U
	Disconnect '0', high drive '1'.
#define	NRF_DRIVE_S0D1   6U
	Standard '0', disconnect '1'.
#define	NRF_DRIVE_H0D1   7U
	High drive '0', disconnect '1'.
#define	NRF_DRIVE_E0E1   8U
	Extra high drive '0', extra high drive '1'.
nRF pinctrl pull-up/down.
Note Values match nrf_gpio_pin_pull_t constants.
#define	NRF_PULL_NONE   0U
	Pull-up disabled.
#define	NRF_PULL_DOWN   1U
	Pull-down enabled.
#define	NRF_PULL_UP   3U
	Pull-up enabled.
nRF pinctrl low power mode.
#define	NRF_LP_DISABLE   0U
	Input.
#define	NRF_LP_ENABLE   1U
	Output.
nRF pinctrl helpers to indicate disconnected pins.
#define	NRF_PIN_DISCONNECTED   NRF_PIN_MSK
	Indicates that a pin is disconnected.

Macro Definition Documentation

NRF_CLOCKPIN_ENABLE_MSK

#define NRF_CLOCKPIN_ENABLE_MSK   0x1U

Mask for the clockpin enable field.

NRF_CLOCKPIN_ENABLE_POS

#define NRF_CLOCKPIN_ENABLE_POS   17U

Position of the clockpin enable field.

NRF_DRIVE_D0H1

#define NRF_DRIVE_D0H1   5U

Disconnect '0', high drive '1'.

NRF_DRIVE_D0S1

#define NRF_DRIVE_D0S1   4U

Disconnect '0' standard '1'.

NRF_DRIVE_E0E1

#define NRF_DRIVE_E0E1   8U

Extra high drive '0', extra high drive '1'.

NRF_DRIVE_H0D1

#define NRF_DRIVE_H0D1   7U

High drive '0', disconnect '1'.

NRF_DRIVE_H0H1

#define NRF_DRIVE_H0H1   3U

High drive '0', high drive '1'.

NRF_DRIVE_H0S1

#define NRF_DRIVE_H0S1   1U

High drive '0', standard '1'.

NRF_DRIVE_MSK

#define NRF_DRIVE_MSK   0xFU

Mask for the drive configuration field.

NRF_DRIVE_POS

#define NRF_DRIVE_POS   11U

Position of the drive configuration field.

NRF_DRIVE_S0D1

#define NRF_DRIVE_S0D1   6U

Standard '0', disconnect '1'.

NRF_DRIVE_S0H1

#define NRF_DRIVE_S0H1   2U

Standard '0', high drive '1'.

NRF_DRIVE_S0S1

#define NRF_DRIVE_S0S1   0U

Standard '0', standard '1'.

NRF_FUN_CAN_RX

#define NRF_FUN_CAN_RX   47U

CAN RX.

NRF_FUN_CAN_TX

#define NRF_FUN_CAN_TX   46U

CAN TX.

NRF_FUN_EXMIF_CK

#define NRF_FUN_EXMIF_CK   35U

EXMIF CK.

NRF_FUN_EXMIF_CS0

#define NRF_FUN_EXMIF_CS0   44U

EXMIF CS0.

NRF_FUN_EXMIF_CS1

#define NRF_FUN_EXMIF_CS1   45U

EXMIF CS1.

NRF_FUN_EXMIF_DQ0

#define NRF_FUN_EXMIF_DQ0   36U

EXMIF DQ0.

NRF_FUN_EXMIF_DQ1

#define NRF_FUN_EXMIF_DQ1   37U

EXMIF DQ1.

NRF_FUN_EXMIF_DQ2

#define NRF_FUN_EXMIF_DQ2   38U

EXMIF DQ2.

NRF_FUN_EXMIF_DQ3

#define NRF_FUN_EXMIF_DQ3   39U

EXMIF DQ3.

NRF_FUN_EXMIF_DQ4

#define NRF_FUN_EXMIF_DQ4   40U

EXMIF DQ4.

NRF_FUN_EXMIF_DQ5

#define NRF_FUN_EXMIF_DQ5   41U

EXMIF DQ5.

NRF_FUN_EXMIF_DQ6

#define NRF_FUN_EXMIF_DQ6   42U

EXMIF DQ6.

NRF_FUN_EXMIF_DQ7

#define NRF_FUN_EXMIF_DQ7   43U

EXMIF DQ7.

NRF_FUN_I2S_LRCK_M

#define NRF_FUN_I2S_LRCK_M   15U

I2S LRCK in master mode.

NRF_FUN_I2S_LRCK_S

#define NRF_FUN_I2S_LRCK_S   16U

I2S LRCK in slave mode.

NRF_FUN_I2S_MCK

#define NRF_FUN_I2S_MCK   19U

I2S MCK.

NRF_FUN_I2S_SCK_M

#define NRF_FUN_I2S_SCK_M   13U

I2S SCK in master mode.

NRF_FUN_I2S_SCK_S

#define NRF_FUN_I2S_SCK_S   14U

I2S SCK in slave mode.

NRF_FUN_I2S_SDIN

#define NRF_FUN_I2S_SDIN   17U

I2S SDIN.

NRF_FUN_I2S_SDOUT

#define NRF_FUN_I2S_SDOUT   18U

I2S SDOUT.

NRF_FUN_MSK

#define NRF_FUN_MSK   0x3FFFU

Mask for the function field.

NRF_FUN_PDM_CLK

#define NRF_FUN_PDM_CLK   20U

PDM CLK.

NRF_FUN_PDM_DIN

#define NRF_FUN_PDM_DIN   21U

PDM DIN.

NRF_FUN_POS

#define NRF_FUN_POS   18U

Position of the function field.

NRF_FUN_PWM_OUT0

#define NRF_FUN_PWM_OUT0   22U

PWM OUT0.

NRF_FUN_PWM_OUT1

#define NRF_FUN_PWM_OUT1   23U

PWM OUT1.

NRF_FUN_PWM_OUT2

#define NRF_FUN_PWM_OUT2   24U

PWM OUT2.

NRF_FUN_PWM_OUT3

#define NRF_FUN_PWM_OUT3   25U

PWM OUT3.

NRF_FUN_QDEC_A

#define NRF_FUN_QDEC_A   26U

QDEC A.

NRF_FUN_QDEC_B

#define NRF_FUN_QDEC_B   27U

QDEC B.

NRF_FUN_QDEC_LED

#define NRF_FUN_QDEC_LED   28U

QDEC LED.

NRF_FUN_QSPI_CSN

#define NRF_FUN_QSPI_CSN   30U

QSPI CSN.

NRF_FUN_QSPI_IO0

#define NRF_FUN_QSPI_IO0   31U

QSPI IO0.

NRF_FUN_QSPI_IO1

#define NRF_FUN_QSPI_IO1   32U

QSPI IO1.

NRF_FUN_QSPI_IO2

#define NRF_FUN_QSPI_IO2   33U

QSPI IO2.

NRF_FUN_QSPI_IO3

#define NRF_FUN_QSPI_IO3   34U

QSPI IO3.

NRF_FUN_QSPI_SCK

#define NRF_FUN_QSPI_SCK   29U

QSPI SCK.

NRF_FUN_SPIM_MISO

#define NRF_FUN_SPIM_MISO   6U

SPI master MISO.

NRF_FUN_SPIM_MOSI

#define NRF_FUN_SPIM_MOSI   5U

SPI master MOSI.

NRF_FUN_SPIM_SCK

#define NRF_FUN_SPIM_SCK   4U

SPI master SCK.

NRF_FUN_SPIS_CSN

#define NRF_FUN_SPIS_CSN   10U

SPI slave CSN.

NRF_FUN_SPIS_MISO

#define NRF_FUN_SPIS_MISO   9U

SPI slave MISO.

NRF_FUN_SPIS_MOSI

#define NRF_FUN_SPIS_MOSI   8U

SPI slave MOSI.

NRF_FUN_SPIS_SCK

#define NRF_FUN_SPIS_SCK   7U

SPI slave SCK.

NRF_FUN_TWIM_SCL

#define NRF_FUN_TWIM_SCL   11U

TWI master SCL.

NRF_FUN_TWIM_SDA

#define NRF_FUN_TWIM_SDA   12U

TWI master SDA.

NRF_FUN_UART_CTS

#define NRF_FUN_UART_CTS   3U

UART CTS.

NRF_FUN_UART_RTS

#define NRF_FUN_UART_RTS   2U

UART RTS.

NRF_FUN_UART_RX

#define NRF_FUN_UART_RX   1U

UART RX.

NRF_FUN_UART_TX

#define NRF_FUN_UART_TX   0U

UART TX.

NRF_INVERT_MSK

#define NRF_INVERT_MSK   0x1U

Mask for the invert field.

NRF_INVERT_POS

#define NRF_INVERT_POS   16U

Position of the invert field.

NRF_LP_DISABLE

#define NRF_LP_DISABLE   0U

Input.

NRF_LP_ENABLE

#define NRF_LP_ENABLE   1U

Output.

NRF_LP_MSK

#define NRF_LP_MSK   0x1U

Mask for the low power field.

NRF_LP_POS

#define NRF_LP_POS   15U

Position of the low power field.

NRF_PIN_DISCONNECTED

#define NRF_PIN_DISCONNECTED   NRF_PIN_MSK

Indicates that a pin is disconnected.

NRF_PIN_MSK

#define NRF_PIN_MSK   0x1FFU

Mask for the pin field.

NRF_PIN_POS

#define NRF_PIN_POS   0U

Position of the pin field.

NRF_PSEL

#define NRF_PSEL	(		fun,
			port,
			pin
	)

Value:

        ((((((port) * 32U) + (pin)) & NRF_PIN_MSK) << NRF_PIN_POS) |                   \
         ((NRF_FUN_ ## fun & NRF_FUN_MSK) << NRF_FUN_POS))

Utility macro to build nRF psels property entry.

Parameters

fun	Pin function configuration (see NRF_FUNC_{name} macros).
port	Port (0 or 15).
pin	Pin (0..31).

NRF_PSEL_DISCONNECTED

#define NRF_PSEL_DISCONNECTED

(

fun

)

Value:

        (NRF_PIN_DISCONNECTED |                                                        \
         ((NRF_FUN_ ## fun & NRF_FUN_MSK) << NRF_FUN_POS))

Utility macro to build nRF psels property entry when a pin is disconnected.

This can be useful in situations where code running before Zephyr, e.g. a bootloader configures pins that later needs to be disconnected.

Parameters

fun	Pin function configuration (see NRF_FUN_{name} macros).

NRF_PULL_DOWN

#define NRF_PULL_DOWN   1U

Pull-down enabled.

NRF_PULL_MSK

#define NRF_PULL_MSK   0x3U

Mask for the pull configuration field.

NRF_PULL_NONE

#define NRF_PULL_NONE   0U

Pull-up disabled.

NRF_PULL_POS

#define NRF_PULL_POS   9U

Position of the pull configuration field.

NRF_PULL_UP

#define NRF_PULL_UP   3U

Pull-up enabled.