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mcx-nxxx: Add LPI2C driver for mcx-nxxx architecture
This adds a LPI2C driver for the mcx-nxxx chip, and the necessary board definitions for the frdm-mcxn236 evaluation kit. Signed-off-by: Ville Juven <ville.juven@unikie.com>
This commit is contained in:
Ville Juven
Xiang Xiao
@@ -26,6 +26,10 @@ config NXXX_GPIO_IRQ
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bool "GPIO Interrupt Support"
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default y
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config NXXX_LPI2C
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bool "LPI2C support"
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default n
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menu "LPUART"
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config NXXX_LPUART
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@@ -117,6 +121,252 @@ endmenu # LPUART Configuration
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endmenu # LPUART
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menu "LPI2C Peripherals"
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menuconfig NXXX_LPI2C0
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bool "LPI2C0"
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default n
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select NXXX_LPI2C
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if NXXX_LPI2C0
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config NXXX_LPI2C0_BUSYIDLE
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int "Bus idle timeout period in clock cycles"
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default 0
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config NXXX_LPI2C0_FILTSCL
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int "I2C master digital glitch filters for SCL input in clock cycles"
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default 0
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config NXXX_LPI2C0_FILTSDA
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int "I2C master digital glitch filters for SDA input in clock cycles"
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default 0
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endif # NXXX_LPI2C0
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menuconfig NXXX_LPI2C1
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bool "LPI2C1"
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default n
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select NXXX_LPI2C
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if NXXX_LPI2C1
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config NXXX_LPI2C1_BUSYIDLE
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int "Bus idle timeout period in clock cycles"
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default 0
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config NXXX_LPI2C1_DMA
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bool "Enable DMA for I2C1"
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default n
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depends on NXXX_LPI2C_DMA
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config NXXX_LPI2C1_FILTSCL
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int "I2C master digital glitch filters for SCL input in clock cycles"
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default 0
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config NXXX_LPI2C1_FILTSDA
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int "I2C master digital glitch filters for SDA input in clock cycles"
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default 0
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endif # NXXX_LPI2C1
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menuconfig NXXX_LPI2C2
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bool "LPI2C2"
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default n
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select NXXX_LPI2C
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if NXXX_LPI2C2
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config NXXX_LPI2C2_BUSYIDLE
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int "Bus idle timeout period in clock cycles"
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default 0
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config NXXX_LPI2C2_DMA
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bool "Enable DMA for I2C2"
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default n
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depends on NXXX_LPI2C_DMA
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config NXXX_LPI2C2_FILTSCL
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int "I2C master digital glitch filters for SCL input in clock cycles"
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default 0
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config NXXX_LPI2C2_FILTSDA
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int "I2C master digital glitch filters for SDA input in clock cycles"
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default 0
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endif # NXXX_LPI2C2
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menuconfig NXXX_LPI2C3
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bool "LPI2C3"
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default n
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select NXXX_LPI2C
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if NXXX_LPI2C3
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config NXXX_LPI2C3_BUSYIDLE
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int "Bus idle timeout period in clock cycles"
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default 0
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config NXXX_LPI2C3_DMA
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bool "Enable DMA for I2C3"
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default n
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depends on NXXX_LPI2C_DMA
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config NXXX_LPI2C3_FILTSCL
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int "I2C master digital glitch filters for SCL input in clock cycles"
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default 0
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config NXXX_LPI2C3_FILTSDA
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int "I2C master digital glitch filters for SDA input in clock cycles"
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default 0
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endif # NXXX_LPI2C3
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menuconfig NXXX_LPI2C4
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bool "LPI2C4"
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default n
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select NXXX_LPI2C
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if NXXX_LPI2C4
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config NXXX_LPI2C4_BUSYIDLE
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int "Bus idle timeout period in clock cycles"
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default 0
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config NXXX_LPI2C4_DMA
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bool "Enable DMA for I2C4"
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default n
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depends on NXXX_LPI2C_DMA
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config NXXX_LPI2C4_FILTSCL
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int "I2C master digital glitch filters for SCL input in clock cycles"
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default 0
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config NXXX_LPI2C4_FILTSDA
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int "I2C master digital glitch filters for SDA input in clock cycles"
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default 0
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endif # NXXX_LPI2C4
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menuconfig NXXX_LPI2C5
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bool "LPI2C5"
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default n
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select NXXX_LPI2C
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if NXXX_LPI2C5
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config NXXX_LPI2C5_BUSYIDLE
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int "Bus idle timeout period in clock cycles"
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default 0
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config NXXX_LPI2C5_FILTSCL
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int "I2C master digital glitch filters for SCL input in clock cycles"
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default 0
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config NXXX_LPI2C5_FILTSDA
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int "I2C master digital glitch filters for SDA input in clock cycles"
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default 0
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endif # NXXX_LPI2C5
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menuconfig NXXX_LPI2C6
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bool "LPI2C6"
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default n
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select NXXX_LPI2C
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if NXXX_LPI2C6
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config NXXX_LPI2C6_BUSYIDLE
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int "Bus idle timeout period in clock cycles"
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default 0
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config NXXX_LPI2C6_FILTSCL
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int "I2C master digital glitch filters for SCL input in clock cycles"
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default 0
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config NXXX_LPI2C6_FILTSDA
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int "I2C master digital glitch filters for SDA input in clock cycles"
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default 0
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endif # NXXX_LPI2C6
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menuconfig NXXX_LPI2C7
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bool "LPI2C7"
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default n
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select NXXX_LPI2C
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if NXXX_LPI2C7
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config NXXX_LPI2C7_BUSYIDLE
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int "Bus idle timeout period in clock cycles"
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default 0
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config NXXX_LPI2C7_FILTSCL
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int "I2C master digital glitch filters for SCL input in clock cycles"
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default 0
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config NXXX_LPI2C7_FILTSDA
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int "I2C master digital glitch filters for SDA input in clock cycles"
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default 0
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endif # NXXX_LPI2C7
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endmenu # LPI2C Peripherals
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menu "LPI2C Configuration"
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depends on NXXX_LPI2C
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config NXXX_LPI2C_DMA
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bool "I2C DMA Support"
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default n
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depends on NXXX_LPI2C && NXXX_EDMA && !I2C_POLLED
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---help---
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This option enables the DMA for I2C transfers.
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Note: The user can define CONFIG_I2C_DMAPRIO: a custom priority value
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for the I2C dma streams, else the default priority level is set to
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medium.
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config NXXX_LPI2C_DMA_MAXMSG
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int "Maximum number messages that will be DMAed"
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default 8
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depends on NXXX_LPI2C_DMA
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---help---
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This option sets the number of mesg that can be in a transfer.
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It is used to allocate space for the 16 bit LPI2C commands
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that will be DMA-ed to the LPI2C device.
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config NXXX_LPI2C_DYNTIMEO
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bool "Use dynamic timeouts"
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default n
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depends on NXXX_LPI2C
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config NXXX_LPI2C_DYNTIMEO_USECPERBYTE
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int "Timeout Microseconds per Byte"
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default 500
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depends on NXXX_LPI2C_DYNTIMEO
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config NXXX_LPI2C_DYNTIMEO_STARTSTOP
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int "Timeout for Start/Stop (Milliseconds)"
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default 1000
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depends on NXXX_LPI2C_DYNTIMEO
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config NXXX_LPI2C_TIMEOSEC
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int "Timeout seconds"
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default 0
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depends on NXXX_LPI2C
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config NXXX_LPI2C_TIMEOMS
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int "Timeout Milliseconds"
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default 500
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depends on NXXX_LPI2C && !NXXX_LPI2C_DYNTIMEO
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config NXXX_LPI2C_TIMEOTICKS
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int "Timeout for Done and Stop (ticks)"
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default 500
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depends on NXXX_LPI2C && !NXXX_LPI2C_DYNTIMEO
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endmenu # LPI2C Configuration
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endmenu # NXXX Peripheral Selection
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endif # ARCH_CHIP_NXXX
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@@ -34,3 +34,7 @@ endif
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ifeq ($(CONFIG_NXXX_GPIO_IRQ),y)
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CHIP_CSRCS += nxxx_gpioirq.c
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endif
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ifeq ($(CONFIG_NXXX_LPI2C),y)
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CHIP_CSRCS += nxxx_lpi2c.c
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endif
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File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,73 @@
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/****************************************************************************
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* arch/arm/src/mcx-nxxx/nxxx_lpi2c.h
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_SRC_MCX_NXXX_NXXX_LPI2C_H
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#define __ARCH_ARM_SRC_MCX_NXXX_NXXX_LPI2C_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/i2c/i2c_master.h>
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: nxxx_i2cbus_initialize
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*
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* Description:
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* Initialize the selected I2C port. And return a unique instance of struct
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* struct i2c_master_s. This function may be called to obtain multiple
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* instances of the interface, each of which may be set up with a
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* different frequency and slave address.
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*
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* Input Parameters:
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* Port number (for hardware that has multiple I2C interfaces)
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*
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* Returned Value:
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* Valid I2C device structure reference on success; a NULL on failure
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*
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****************************************************************************/
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struct i2c_master_s *nxxx_i2cbus_initialize(int port);
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/****************************************************************************
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* Name: nxxx_i2cbus_uninitialize
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*
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* Description:
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* De-initialize the selected I2C port, and power down the device.
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*
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* Input Parameters:
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* Device structure as returned by the nxxx_i2cbus_initialize()
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*
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* Returned Value:
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* OK on success, ERROR when internal reference count mismatch or dev
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* points to invalid hardware device.
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*
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****************************************************************************/
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int nxxx_i2cbus_uninitialize(struct i2c_master_s *dev);
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#endif /* __ARCH_ARM_SRC_MCX_NXXX_LPI2C_H */
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@@ -31,6 +31,7 @@ CONFIG_INTELHEX_BINARY=y
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CONFIG_LIBC_LOCALTIME=y
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CONFIG_LPUART4_SERIAL_CONSOLE=y
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CONFIG_NXXX_LPUART4=y
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CONFIG_NXXX_LPI2C0=y
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CONFIG_NSH_ARCHINIT=y
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CONFIG_NSH_BUILTIN_APPS=y
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CONFIG_NSH_DISABLE_IFUPDOWN=y
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@@ -36,6 +36,9 @@
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#define PORT_LPUART4_RX PORT_CFG(1, 8, PORT_PCR_MUX_ALT2 | PORT_PCR_IBE)
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#define PORT_LPUART4_TX PORT_CFG(1, 9, PORT_PCR_MUX_ALT2 | PORT_PCR_IBE)
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#define PORT_LPI2C0_SCL PORT_CFG(4, 1, PORT_PCR_MUX_ALT2 | PORT_PCR_IBE)
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#define PORT_LPI2C0_SDA PORT_CFG(4, 0, PORT_PCR_MUX_ALT2 | PORT_PCR_IBE)
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/****************************************************************************
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* Public Data
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****************************************************************************/
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