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M.2 Key A serial memory connector
Devicetree | Device Drivers » GPIO » Devicetree GPIO API » GPIO pin headers

Constants for non-power signals exposed on the ST M.2 serial memory connector. More...

Files

file  m2-memory-connector.h
 M.2 Key A serial memory connector pin constants.

Macros

#define M2MEM_CONNECTOR_GPIO_SPI_SCK   16
 Optional auxiliary SPI clock.
#define M2MEM_CONNECTOR_GPIO_SPI_MOSI   17
 Optional auxiliary SPI controller-out.
#define M2MEM_CONNECTOR_GPIO_LDO_EN   18
 Mandatory open-drain LDO enable.
#define M2MEM_CONNECTOR_GPIO_SPI_MISO   19
 Optional auxiliary SPI controller-in.
#define M2MEM_CONNECTOR_XSPI_NCS2   20
 XSPI chip select 2.
#define M2MEM_CONNECTOR_GPIO_SPI_NSS   21
 Optional auxiliary SPI chip select.
#define M2MEM_CONNECTOR_XSPI_NCS1   22
 XSPI chip select 1.
#define M2MEM_CONNECTOR_XSPI_DQS0   25
 XSPI data strobe 0.
#define M2MEM_CONNECTOR_XSPI_D6   26
 XSPI data 6.
#define M2MEM_CONNECTOR_XSPI_D7   27
 XSPI data 7.
#define M2MEM_CONNECTOR_XSPI_D5   28
 XSPI data 5.
#define M2MEM_CONNECTOR_XSPI_D4   31
 XSPI data 4.
#define M2MEM_CONNECTOR_XSPI_D3   32
 XSPI data 3.
#define M2MEM_CONNECTOR_XSPI_D2   34
 XSPI data 2.
#define M2MEM_CONNECTOR_XSPI_D1   35
 XSPI data 1.
#define M2MEM_CONNECTOR_XSPI_D0   37
 XSPI data 0.
#define M2MEM_CONNECTOR_LED2   38
 Red LED (LD2).
#define M2MEM_CONNECTOR_INT1   40
 Optional GPIO, error, or interrupt 1.
#define M2MEM_CONNECTOR_XSPI_CLK1   41
 XSPI clock 1.
#define M2MEM_CONNECTOR_LED1   42
 Green LED (LD1).
#define M2MEM_CONNECTOR_XSPI_NCLK1   43
 XSPI differential clock complement 1.
#define M2MEM_CONNECTOR_XSPI_D15   47
 XSPI data 15.
#define M2MEM_CONNECTOR_XSPI_D14   49
 XSPI data 14.
#define M2MEM_CONNECTOR_XSPI_NCS4   52
 XSPI chip select 4.
#define M2MEM_CONNECTOR_XSPI_D13   53
 XSPI data 13.
#define M2MEM_CONNECTOR_XSPI_NCS3   54
 XSPI chip select 3.
#define M2MEM_CONNECTOR_XSPI_D12   55
 XSPI data 12.
#define M2MEM_CONNECTOR_XSPI_DQS1   56
 XSPI data strobe 1.
#define M2MEM_CONNECTOR_I2C_SDA   58
 I2C data for identification EEPROM or auxiliaries.
#define M2MEM_CONNECTOR_XSPI_D11   59
 XSPI data 11.
#define M2MEM_CONNECTOR_I2C_SCL   60
 I2C clock for identification EEPROM or auxiliaries.
#define M2MEM_CONNECTOR_XSPI_D10   61
 XSPI data 10.
#define M2MEM_CONNECTOR_INT2   62
 Optional GPIO, error, or interrupt 2.
#define M2MEM_CONNECTOR_XSPI_D9   65
 XSPI data 9.
#define M2MEM_CONNECTOR_NRST   66
 Memory reset.
#define M2MEM_CONNECTOR_XSPI_D8   67
 XSPI data 8.
#define M2MEM_CONNECTOR_XSPI_CLK2   71
 XSPI clock 2.
#define M2MEM_CONNECTOR_XSPI_NCLK2   73
 XSPI differential clock complement 2.

Detailed Description

Constants for non-power signals exposed on the ST M.2 serial memory connector.

Values match the physical M.2 Key A connector pin numbers from TN1618. Power, ground, reserved, and key pins are intentionally omitted.

Macro Definition Documentation

◆ M2MEM_CONNECTOR_GPIO_LDO_EN

#define M2MEM_CONNECTOR_GPIO_LDO_EN   18

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

Mandatory open-drain LDO enable.

◆ M2MEM_CONNECTOR_GPIO_SPI_MISO

#define M2MEM_CONNECTOR_GPIO_SPI_MISO   19

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

Optional auxiliary SPI controller-in.

◆ M2MEM_CONNECTOR_GPIO_SPI_MOSI

#define M2MEM_CONNECTOR_GPIO_SPI_MOSI   17

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

Optional auxiliary SPI controller-out.

◆ M2MEM_CONNECTOR_GPIO_SPI_NSS

#define M2MEM_CONNECTOR_GPIO_SPI_NSS   21

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

Optional auxiliary SPI chip select.

◆ M2MEM_CONNECTOR_GPIO_SPI_SCK

#define M2MEM_CONNECTOR_GPIO_SPI_SCK   16

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

Optional auxiliary SPI clock.

◆ M2MEM_CONNECTOR_I2C_SCL

#define M2MEM_CONNECTOR_I2C_SCL   60

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

I2C clock for identification EEPROM or auxiliaries.

◆ M2MEM_CONNECTOR_I2C_SDA

#define M2MEM_CONNECTOR_I2C_SDA   58

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

I2C data for identification EEPROM or auxiliaries.

◆ M2MEM_CONNECTOR_INT1

#define M2MEM_CONNECTOR_INT1   40

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

Optional GPIO, error, or interrupt 1.

◆ M2MEM_CONNECTOR_INT2

#define M2MEM_CONNECTOR_INT2   62

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

Optional GPIO, error, or interrupt 2.

◆ M2MEM_CONNECTOR_LED1

#define M2MEM_CONNECTOR_LED1   42

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

Green LED (LD1).

◆ M2MEM_CONNECTOR_LED2

#define M2MEM_CONNECTOR_LED2   38

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

Red LED (LD2).

◆ M2MEM_CONNECTOR_NRST

#define M2MEM_CONNECTOR_NRST   66

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

Memory reset.

◆ M2MEM_CONNECTOR_XSPI_CLK1

#define M2MEM_CONNECTOR_XSPI_CLK1   41

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI clock 1.

◆ M2MEM_CONNECTOR_XSPI_CLK2

#define M2MEM_CONNECTOR_XSPI_CLK2   71

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI clock 2.

◆ M2MEM_CONNECTOR_XSPI_D0

#define M2MEM_CONNECTOR_XSPI_D0   37

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 0.

◆ M2MEM_CONNECTOR_XSPI_D1

#define M2MEM_CONNECTOR_XSPI_D1   35

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 1.

◆ M2MEM_CONNECTOR_XSPI_D10

#define M2MEM_CONNECTOR_XSPI_D10   61

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 10.

◆ M2MEM_CONNECTOR_XSPI_D11

#define M2MEM_CONNECTOR_XSPI_D11   59

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 11.

◆ M2MEM_CONNECTOR_XSPI_D12

#define M2MEM_CONNECTOR_XSPI_D12   55

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 12.

◆ M2MEM_CONNECTOR_XSPI_D13

#define M2MEM_CONNECTOR_XSPI_D13   53

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 13.

◆ M2MEM_CONNECTOR_XSPI_D14

#define M2MEM_CONNECTOR_XSPI_D14   49

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 14.

◆ M2MEM_CONNECTOR_XSPI_D15

#define M2MEM_CONNECTOR_XSPI_D15   47

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 15.

◆ M2MEM_CONNECTOR_XSPI_D2

#define M2MEM_CONNECTOR_XSPI_D2   34

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 2.

◆ M2MEM_CONNECTOR_XSPI_D3

#define M2MEM_CONNECTOR_XSPI_D3   32

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 3.

◆ M2MEM_CONNECTOR_XSPI_D4

#define M2MEM_CONNECTOR_XSPI_D4   31

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 4.

◆ M2MEM_CONNECTOR_XSPI_D5

#define M2MEM_CONNECTOR_XSPI_D5   28

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 5.

◆ M2MEM_CONNECTOR_XSPI_D6

#define M2MEM_CONNECTOR_XSPI_D6   26

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 6.

◆ M2MEM_CONNECTOR_XSPI_D7

#define M2MEM_CONNECTOR_XSPI_D7   27

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 7.

◆ M2MEM_CONNECTOR_XSPI_D8

#define M2MEM_CONNECTOR_XSPI_D8   67

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 8.

◆ M2MEM_CONNECTOR_XSPI_D9

#define M2MEM_CONNECTOR_XSPI_D9   65

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data 9.

◆ M2MEM_CONNECTOR_XSPI_DQS0

#define M2MEM_CONNECTOR_XSPI_DQS0   25

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data strobe 0.

◆ M2MEM_CONNECTOR_XSPI_DQS1

#define M2MEM_CONNECTOR_XSPI_DQS1   56

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI data strobe 1.

◆ M2MEM_CONNECTOR_XSPI_NCLK1

#define M2MEM_CONNECTOR_XSPI_NCLK1   43

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI differential clock complement 1.

◆ M2MEM_CONNECTOR_XSPI_NCLK2

#define M2MEM_CONNECTOR_XSPI_NCLK2   73

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI differential clock complement 2.

◆ M2MEM_CONNECTOR_XSPI_NCS1

#define M2MEM_CONNECTOR_XSPI_NCS1   22

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI chip select 1.

◆ M2MEM_CONNECTOR_XSPI_NCS2

#define M2MEM_CONNECTOR_XSPI_NCS2   20

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI chip select 2.

◆ M2MEM_CONNECTOR_XSPI_NCS3

#define M2MEM_CONNECTOR_XSPI_NCS3   54

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI chip select 3.

◆ M2MEM_CONNECTOR_XSPI_NCS4

#define M2MEM_CONNECTOR_XSPI_NCS4   52

#include <zephyr/dt-bindings/gpio/m2-memory-connector.h>

XSPI chip select 4.