bsp: k230: add i2c driver

    Requirement: The BSP for the k230 platform in the RT-Thread repository
    does not yet have an I2C driver.

    Solution: Provide I2C drivers for the k230 platform in the RT-Thread
    repository.
    1. support i2c master mode
    2. support i2c slave mode

Signed-off-by: Ze-Hou <[email protected]>

Author: Ze-Hou

bsp/k230/.config

@@ -227,6 +227,7 @@ CONFIG_FINSH_THREAD_STACK_SIZE=8192
 CONFIG_FINSH_USING_HISTORY=y
 CONFIG_FINSH_HISTORY_LINES=5
 # CONFIG_FINSH_USING_WORD_OPERATION is not set
+# CONFIG_FINSH_USING_FUNC_EXT is not set
 CONFIG_FINSH_USING_SYMTAB=y
 CONFIG_FINSH_CMD_SIZE=80
 CONFIG_MSH_USING_BUILT_IN_COMMANDS=y
@@ -313,7 +314,11 @@ CONFIG_RT_USING_SERIAL_BYPASS=y
 CONFIG_RT_USING_CPUTIME=y
 CONFIG_RT_USING_CPUTIME_RISCV=y
 CONFIG_CPUTIME_TIMER_FREQ=25000000
-# CONFIG_RT_USING_I2C is not set
+CONFIG_RT_USING_I2C=y
+# CONFIG_RT_I2C_DEBUG is not set
+CONFIG_RT_USING_I2C_BITOPS=y
+# CONFIG_RT_I2C_BITOPS_DEBUG is not set
+# CONFIG_RT_USING_SOFT_I2C is not set
 # CONFIG_RT_USING_PHY is not set
 # CONFIG_RT_USING_PHY_V2 is not set
 # CONFIG_RT_USING_ADC is not set
@@ -425,6 +430,7 @@ CONFIG_RT_USING_POSIX_TIMER=y
 #
 CONFIG_RT_USING_SAL=y
 CONFIG_SAL_INTERNET_CHECK=y
+CONFIG_SOCKET_TABLE_STEP_LEN=4
 
 #
 # Docking with protocol stacks
@@ -1617,6 +1623,7 @@ CONFIG_PKG_ZLIB_VER="latest"
 #
 # Drivers Configuration
 #
+# CONFIG_BSP_USING_I2C is not set
 # CONFIG_BSP_USING_RTC is not set
 # CONFIG_BSP_USING_ADC is not set
 # CONFIG_BSP_USING_TS is not set

bsp/k230/board/Kconfig

@@ -1,4 +1,110 @@
 menu "Drivers Configuration"
+    menuconfig BSP_USING_I2C
+        bool "Enable I2C"
+        select RT_USING_I2C
+        default n
+
+        if BSP_USING_I2C
+            menuconfig BSP_USING_I2C0
+                bool "Enable I2C0"
+                default n
+
+                if BSP_USING_I2C0
+                    choice BSP_I2C0_DEV_MODE
+                        prompt "Select I2C0 device mode"
+                        default BSP_USING_I2C0_MASTER
+                        help
+                            Select the I2C0 device mode to be used.
+
+                        config BSP_USING_I2C0_MASTER
+                            bool "Enable I2C0 Master Mode"
+
+                        config BSP_USING_I2C0_SLAVE
+                            bool "Enable I2C0 Slave Mode"
+
+                    endchoice
+                endif
+
+            menuconfig BSP_USING_I2C1
+                bool "Enable I2C1"
+                default n
+
+                if BSP_USING_I2C1
+                    choice BSP_I2C1_DEV_MODE
+                        prompt "Select I2C1 device mode"
+                        default BSP_USING_I2C1_MASTER
+                        help
+                            Select the I2C1 device mode to be used.
+
+                        config BSP_USING_I2C1_MASTER
+                            bool "Enable I2C1 Master Mode"
+
+                        config BSP_USING_I2C1_SLAVE
+                            bool "Enable I2C1 Slave Mode"
+
+                    endchoice
+                endif
+
+            menuconfig BSP_USING_I2C2
+                bool "Enable I2C2"
+                default n
+
+                if BSP_USING_I2C2
+                    choice BSP_I2C2_DEV_MODE
+                        prompt "Select I2C2 device mode"
+                        default BSP_USING_I2C2_MASTER
+                        help
+                            Select the I2C2 device mode to be used.
+
+                        config BSP_USING_I2C2_MASTER
+                            bool "Enable I2C2 Master Mode"
+
+                        config BSP_USING_I2C2_SLAVE
+                            bool "Enable I2C2 Slave Mode"
+
+                    endchoice
+                endif
+
+            menuconfig BSP_USING_I2C3
+                bool "Enable I2C3"
+                default n
+
+                if BSP_USING_I2C3
+                    choice BSP_I2C3_DEV_MODE
+                        prompt "Select I2C3 device mode"
+                        default BSP_USING_I2C3_MASTER
+                        help
+                            Select the I2C3 device mode to be used.
+
+                        config BSP_USING_I2C3_MASTER
+                            bool "Enable I2C3 Master Mode"
+
+                        config BSP_USING_I2C3_SLAVE
+                            bool "Enable I2C3 Slave Mode"
+
+                    endchoice
+                endif
+
+            menuconfig BSP_USING_I2C4
+                bool "Enable I2C4"
+                default n
+
+                if BSP_USING_I2C4
+                    choice BSP_I2C4_DEV_MODE
+                        prompt "Select I2C4 device mode"
+                        default BSP_USING_I2C4_MASTER
+                        help
+                            Select the I2C4 device mode to be used.
+
+                        config BSP_USING_I2C4_MASTER
+                            bool "Enable I2C4 Master Mode"
+
+                        config BSP_USING_I2C4_SLAVE
+                            bool "Enable I2C4 Slave Mode"
+
+                    endchoice
+                endif
+        endif
 
     config BSP_USING_RTC
         bool "Enable RTC"

bsp/k230/drivers/interdrv/i2c/SConscript

@@ -0,0 +1,11 @@
+# RT-Thread building script for RTC component
+
+from building import *
+
+cwd     = GetCurrentDir()
+src     = Glob('*.c')
+CPPPATH = [cwd]
+
+group = DefineGroup('I2C', src, depend = ['BSP_USING_I2C'], CPPPATH = CPPPATH)
+
+Return('group')