[BSP][RT1050] Optimized spi bus driver. | 优化spi驱动.

1. menuconfig中导出spi总线IO选择配置.
2. menuconfig中导出spi总线时钟源配置.
3. 限制spibus总线速度最大为40MHz.

bsp/imxrt1052-evk/.config

@@ -135,7 +135,13 @@ CONFIG_RT_USING_RTC=y
 # CONFIG_RT_USING_SOFT_RTC is not set
 # CONFIG_RTC_SYNC_USING_NTP is not set
 CONFIG_RT_USING_SDIO=y
-# CONFIG_RT_USING_SPI is not set
+CONFIG_RT_USING_SPI=y
+# CONFIG_RT_USING_SPI_MSD is not set
+# CONFIG_RT_USING_SFUD is not set
+# CONFIG_RT_USING_W25QXX is not set
+# CONFIG_RT_USING_GD is not set
+# CONFIG_RT_USING_ENC28J60 is not set
+# CONFIG_RT_USING_SPI_WIFI is not set
 # CONFIG_RT_USING_WDT is not set
 # CONFIG_RT_USING_WIFI is not set
 
@@ -310,6 +316,7 @@ CONFIG_LWIP_NETIF_LOOPBACK=0
 # CONFIG_PKG_USING_MINILZO is not set
 # CONFIG_PKG_USING_QUICKLZ is not set
 # CONFIG_PKG_USING_MULTIBUTTON is not set
+# CONFIG_PKG_USING_SAMPLES is not set
 
 #
 # example package: hello
@@ -320,11 +327,11 @@ CONFIG_BOARD_RT1050_EVK=y
 # CONFIG_BOARD_RT1050_FIRE is not set
 
 #
-# RT1050_EVK Bsp Config
+# RT1050 Bsp Config
 #
 
 #
-# Select uart device
+# Select uart drivers
 #
 CONFIG_RT_USING_UART1=y
 # CONFIG_RT_USING_UART2 is not set
@@ -334,5 +341,25 @@ CONFIG_RT_USING_UART1=y
 # CONFIG_RT_USING_UART6 is not set
 # CONFIG_RT_USING_UART7 is not set
 # CONFIG_RT_USING_UART8 is not set
+
+#
+# Select spi bus drivers
+#
+CONFIG_LPSPI_CLK_SOURCE_FROM_PLL3PFD1=y
+# CONFIG_LPSPI_CLK_SOURCE_FROM_PLL3PFD0 is not set
+# CONFIG_LPSPI_CLK_SOURCE_FROM_PLL2 is not set
+# CONFIG_LPSPI_CLK_SOURCE_FROM_PLL2PFD2 is not set
+CONFIG_LPSPI_CLK_SOURCE=0
+CONFIG_LPSPI_CLK_SOURCE_DIVIDER=7
+# CONFIG_RT_USING_SPIBUS1 is not set
+# CONFIG_RT_USING_SPIBUS2 is not set
+# CONFIG_RT_USING_SPIBUS3 is not set
+CONFIG_RT_USING_SPIBUS4=y
+CONFIG_LPSPI4_SCK_GPIO_1=y
+# CONFIG_LPSPI4_SCK_GPIO_2 is not set
+CONFIG_LPSPI4_SDO_GPIO_1=y
+# CONFIG_LPSPI4_SDO_GPIO_2 is not set
+CONFIG_LPSPI4_SDI_GPIO_1=y
+# CONFIG_LPSPI4_SDI_GPIO_2 is not set
 CONFIG_RT_USING_SDRAM=y
 CONFIG_RT_USING_RTC_HP=y

bsp/imxrt1052-evk/Kconfig

@@ -33,8 +33,7 @@ choice
         bool "RT1050_FIRE"
 endchoice
 
-if BOARD_RT1050_EVK
-menu "RT1050_EVK Bsp Config" 
+menu "RT1050 Bsp Config" 
 
 menu "Select uart drivers"
     config RT_USING_UART1
@@ -71,23 +70,159 @@ menu "Select uart drivers"
         default n 
 endmenu
 
-menu "Select spibus drivers"
+menu "Select spi bus drivers"
+    choice 
+        prompt "SPI bus clock source"
+        default LPSPI_CLK_SOURCE_FROM_PLL3PFD1
+
+        config LPSPI_CLK_SOURCE_FROM_PLL3PFD1
+            bool "PLL3PFD1"
+        config LPSPI_CLK_SOURCE_FROM_PLL3PFD0
+            bool "PLL3PFD0"
+        config LPSPI_CLK_SOURCE_FROM_PLL2
+            bool "PLL2"
+        config LPSPI_CLK_SOURCE_FROM_PLL2PFD2
+            bool "PLL2PFD2"
+    endchoice
+    config LPSPI_CLK_SOURCE
+        int
+        default 0 if LPSPI_CLK_SOURCE_FROM_PLL3PFD1
+        default 1 if LPSPI_CLK_SOURCE_FROM_PLL3PFD0
+        default 2 if LPSPI_CLK_SOURCE_FROM_PLL2
+        default 3 if LPSPI_CLK_SOURCE_FROM_PLL2PFD2
+
+    config LPSPI_CLK_SOURCE_DIVIDER
+        int "SPI bus clock source divider"
+        range 0 8
+        default 7
+
     config RT_USING_SPIBUS1
         bool "Using spi1 bus"
         select RT_USING_SPI
         default n 
+    choice
+        prompt "spi1 bus sck io choice"
+        default LPSPI1_SCK_GPIO_1
+        depends on RT_USING_SPIBUS1
+        config LPSPI1_SCK_GPIO_1
+            bool "GPIO_EMC_27"
+        config LPSPI1_SCK_GPIO_2
+            bool "GPIO_SD_B0_00"
+    endchoice
+    choice
+        prompt "spi1 bus sdo io choice"
+        default LPSPI1_SDO_GPIO_1
+        depends on RT_USING_SPIBUS1
+        config LPSPI1_SDO_GPIO_1
+            bool "GPIO_EMC_28"
+        config LPSPI1_SDO_GPIO_2
+            bool "GPIO_SD_B0_02"
+    endchoice
+    choice
+        prompt "spi1 bus sdi io choice"
+        default LPSPI1_SDI_GPIO_1
+        depends on RT_USING_SPIBUS1
+        config LPSPI1_SDI_GPIO_1
+            bool "GPIO_EMC_29"
+        config LPSPI1_SDI_GPIO_2
+            bool "GPIO_SD_B0_03"
+    endchoice
+
     config RT_USING_SPIBUS2
         bool "Using spi2 bus"
         select RT_USING_SPI
         default n 
+    choice
+        prompt "spi2 bus sck io choice"
+        default LPSPI2_SCK_GPIO_1
+        depends on RT_USING_SPIBUS2
+        config LPSPI2_SCK_GPIO_1
+            bool "GPIO_SD_B1_07"
+        config LPSPI2_SCK_GPIO_2
+            bool "GPIO_EMC_00"
+    endchoice
+    choice
+        prompt "spi2 bus sdo io choice"
+        default LPSPI2_SDO_GPIO_1
+        depends on RT_USING_SPIBUS2
+        config LPSPI2_SDO_GPIO_1
+            bool "GPIO_SD_B1_08"
+        config LPSPI2_SDO_GPIO_2
+            bool "GPIO_EMC_02"
+    endchoice
+    choice
+        prompt "spi2 bus sdi io choice"
+        default LPSPI2_SDI_GPIO_1
+        depends on RT_USING_SPIBUS2
+        config LPSPI2_SDI_GPIO_1
+            bool "GPIO_SD_B1_09"
+        config LPSPI2_SDI_GPIO_2
+            bool "GPIO_EMC_03"
+    endchoice
+
     config RT_USING_SPIBUS3
         bool "Using spi3 bus"
         select RT_USING_SPI
         default n 
+    choice
+        prompt "spi3 bus sck io choice"
+        default LPSPI3_SCK_GPIO_1
+        depends on RT_USING_SPIBUS3
+        config LPSPI3_SCK_GPIO_1
+            bool "GPIO_AD_B1_15"
+        config LPSPI3_SCK_GPIO_2
+            bool "GPIO_AD_B0_00"
+    endchoice
+    choice
+        prompt "spi3 bus sdo io choice"
+        default LPSPI3_SDO_GPIO_1
+        depends on RT_USING_SPIBUS3
+        config LPSPI3_SDO_GPIO_1
+            bool "GPIO_AD_B1_14"
+        config LPSPI3_SDO_GPIO_2
+            bool "GPIO_AD_B0_01"
+    endchoice
+    choice
+        prompt "spi3 bus sdi io choice"
+        default LPSPI3_SDI_GPIO_1
+        depends on RT_USING_SPIBUS3
+        config LPSPI3_SDI_GPIO_1
+            bool "GPIO_AD_B1_13"
+        config LPSPI3_SDI_GPIO_2
+            bool "GPIO_AD_B0_02"
+    endchoice
+
     config RT_USING_SPIBUS4
         bool "Using spi4 bus"
         select RT_USING_SPI
         default y 
+    choice
+        prompt "spi4 bus sck io choice"
+        default LPSPI4_SCK_GPIO_1
+        depends on RT_USING_SPIBUS4
+        config LPSPI4_SCK_GPIO_1
+            bool "GPIO_B0_03"
+        config LPSPI4_SCK_GPIO_2
+            bool "GPIO_B1_07"
+    endchoice
+    choice
+        prompt "spi4 bus sdo io choice"
+        default LPSPI4_SDO_GPIO_1
+        depends on RT_USING_SPIBUS4
+        config LPSPI4_SDO_GPIO_1
+            bool "GPIO_B0_02"
+        config LPSPI4_SDO_GPIO_2
+            bool "GPIO_B1_06"
+    endchoice
+    choice
+        prompt "spi4 bus sdi io choice"
+        default LPSPI4_SDI_GPIO_1
+        depends on RT_USING_SPIBUS4
+        config LPSPI4_SDI_GPIO_1
+            bool "GPIO_B0_01"
+        config LPSPI4_SDI_GPIO_2
+            bool "GPIO_B1_05"
+    endchoice
 endmenu
 
 #menu "SDRAM driver support"
@@ -103,6 +238,7 @@ endmenu
         default n 
 #endmenu
 
+if BOARD_RT1050_EVK
 if RT_USING_USB_DEVICE
     choice
         prompt "select usb device controller"
@@ -114,79 +250,6 @@ if RT_USING_USB_DEVICE
             bool "set EHCI1 as device"
     endchoice
 endif
-
-endmenu
 endif
 
-if BOARD_RT1050_FIRE
-menu "RT1050_FIRE Bsp Config" 
-
-menu "Select uart drivers"
-    config RT_USING_UART1
-        bool "Using uart1"
-        select RT_USING_SERIAL
-        default y 
-    config RT_USING_UART2
-        bool "Using uart2"
-        select RT_USING_SERIAL
-        default n 
-    config RT_USING_UART3
-        bool "Using uart3"
-        select RT_USING_SERIAL
-        default n 
-    config RT_USING_UART4
-        bool "Using uart4"
-        select RT_USING_SERIAL
-        default n 
-    config RT_USING_UART5
-        bool "Using uart5"
-        select RT_USING_SERIAL
-        default n 
-    config RT_USING_UART6
-        bool "Using uart6"
-        select RT_USING_SERIAL
-        default n 
-    config RT_USING_UART7
-        bool "Using uart7"
-        select RT_USING_SERIAL
-        default n 
-    config RT_USING_UART8
-        bool "Using uart8"
-        select RT_USING_SERIAL
-        default n 
-endmenu
-
-menu "Select spibus drivers"
-    config RT_USING_SPIBUS1
-        bool "Using spi1 bus"
-        select RT_USING_SPI
-        default n 
-    config RT_USING_SPIBUS2
-        bool "Using spi2 bus"
-        select RT_USING_SPI
-        default n 
-    config RT_USING_SPIBUS3
-        bool "Using spi3 bus"
-        select RT_USING_SPI
-        default n 
-    config RT_USING_SPIBUS4
-        bool "Using spi4 bus"
-        select RT_USING_SPI
-        default y 
 endmenu
-
-#menu "SDRAM driver support"
-    config RT_USING_SDRAM
-        bool "Using sdram"
-        default y 
-#endmenu
-
-#menu "RTC driver support"
-    config RT_USING_RTC_HP
-        bool "Using hp rtc"
-        select RT_USING_RTC
-        default n 
-#endmenu
-
-endmenu
-endif

bsp/imxrt1052-evk/drivers/drv_spi_bus.c

@@ -20,20 +20,124 @@
 
 #ifdef RT_USING_SPI
 
-#define LPSPI_CLK_SOURCE         (1U)
-#define LPSPI_CLK_SOURCE_DIVIDER (7U)
-
 #if defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL
     #error "Please don't define 'FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL'!"
 #endif
 
+#if !defined(LPSPI_CLK_SOURCE)
+#define LPSPI_CLK_SOURCE         (1U) /* PLL3 PFD0 */ 
+#endif
+#if !defined(LPSPI_CLK_SOURCE_DIVIDER)
+#define LPSPI_CLK_SOURCE_DIVIDER (7U) /* 8div */
+#endif
+
+/* LPSPI1 SCK SDO SDI IOMUX Config */
+#if   defined(LPSPI1_SCK_GPIO_1) 
+#define LPSPI1_SCK_GPIO IOMUXC_GPIO_EMC_27_LPSPI1_SCK
+#elif defined(LPSPI1_SCK_GPIO_2) 
+#define LPSPI1_SCK_GPIO IOMUXC_GPIO_SD_B0_00_LPSPI1_SCK
+#else
+#define LPSPI1_SCK_GPIO IOMUXC_GPIO_SD_B0_00_LPSPI1_SCK
+#endif 
+
+#if   defined(LPSPI1_SDO_GPIO_1) 
+#define LPSPI1_SDO_GPIO IOMUXC_GPIO_EMC_28_LPSPI1_SDO
+#elif defined(LPSPI1_SDO_GPIO_2) 
+#define LPSPI1_SDO_GPIO IOMUXC_GPIO_SD_B0_02_LPSPI1_SDO
+#else
+#define LPSPI1_SDO_GPIO IOMUXC_GPIO_SD_B0_02_LPSPI1_SDO
+#endif 
+
+#if   defined(LPSPI1_SDI_GPIO_1) 
+#define LPSPI1_SDI_GPIO IOMUXC_GPIO_EMC_29_LPSPI1_SDI
+#elif defined(LPSPI1_SDI_GPIO_2) 
+#define LPSPI1_SDI_GPIO IOMUXC_GPIO_SD_B0_03_LPSPI1_SDI
+#else
+#define LPSPI1_SDI_GPIO IOMUXC_GPIO_SD_B0_03_LPSPI1_SDI
+#endif 
+
+/* LPSPI2 SCK SDO SDI IOMUX Config */
+#if   defined(LPSPI2_SCK_GPIO_1) 
+#define LPSPI2_SCK_GPIO IOMUXC_GPIO_SD_B1_07_LPSPI2_SCK
+#elif defined(LPSPI2_SCK_GPIO_2) 
+#define LPSPI2_SCK_GPIO IOMUXC_GPIO_EMC_00_LPSPI2_SCK
+#else
+#define LPSPI2_SCK_GPIO IOMUXC_GPIO_SD_B1_07_LPSPI2_SCK
+#endif 
+
+#if   defined(LPSPI2_SDO_GPIO_1) 
+#define LPSPI2_SDO_GPIO IOMUXC_GPIO_SD_B1_08_LPSPI2_SD0
+#elif defined(LPSPI2_SDO_GPIO_2) 
+#define LPSPI2_SDO_GPIO IOMUXC_GPIO_EMC_02_LPSPI2_SDO
+#else
+#define LPSPI2_SDO_GPIO IOMUXC_GPIO_SD_B1_08_LPSPI2_SD0
+#endif 
+
+#if   defined(LPSPI2_SDI_GPIO_1) 
+#define LPSPI2_SDI_GPIO IOMUXC_GPIO_SD_B1_09_LPSPI2_SDI
+#elif defined(LPSPI2_SDI_GPIO_2) 
+#define LPSPI2_SDI_GPIO IOMUXC_GPIO_EMC_03_LPSPI2_SDI
+#else
+#define LPSPI2_SDI_GPIO IOMUXC_GPIO_SD_B1_09_LPSPI2_SDI
+#endif 
+
+/* LPSPI3 SCK SDO SDI IOMUX Config */
+#if   defined(LPSPI3_SCK_GPIO_1) 
+#define LPSPI3_SCK_GPIO IOMUXC_GPIO_AD_B1_15_LPSPI3_SCK
+#elif defined(LPSPI3_SCK_GPIO_2) 
+#define LPSPI3_SCK_GPIO IOMUXC_GPIO_AD_B0_00_LPSPI3_SCK
+#else
+#define LPSPI3_SCK_GPIO IOMUXC_GPIO_AD_B0_00_LPSPI3_SCK
+#endif 
+
+#if   defined(LPSPI3_SDO_GPIO_1) 
+#define LPSPI3_SDO_GPIO IOMUXC_GPIO_AD_B1_14_LPSPI3_SDO
+#elif defined(LPSPI3_SDO_GPIO_2) 
+#define LPSPI3_SDO_GPIO IOMUXC_GPIO_AD_B0_01_LPSPI3_SDO
+#else
+#define LPSPI3_SDO_GPIO IOMUXC_GPIO_AD_B0_01_LPSPI3_SDO
+#endif 
+
+#if   defined(LPSPI3_SDI_GPIO_1) 
+#define LPSPI3_SDI_GPIO IOMUXC_GPIO_AD_B1_13_LPSPI3_SDI
+#elif defined(LPSPI3_SDI_GPIO_2) 
+#define LPSPI3_SDI_GPIO IOMUXC_GPIO_AD_B0_02_LPSPI3_SDI
+#else
+#define LPSPI3_SDI_GPIO IOMUXC_GPIO_AD_B0_02_LPSPI3_SDI
+#endif 
+
+/* LPSPI4 SCK SDO SDI IOMUX Config */
+#if   defined(LPSPI4_SCK_GPIO_1) 
+#define LPSPI4_SCK_GPIO IOMUXC_GPIO_B0_03_LPSPI4_SCK
+#elif defined(LPSPI4_SCK_GPIO_2) 
+#define LPSPI4_SCK_GPIO IOMUXC_GPIO_B1_07_LPSPI4_SCK
+#else
+#define LPSPI4_SCK_GPIO IOMUXC_GPIO_B0_03_LPSPI4_SCK
+#endif 
+
+#if   defined(LPSPI4_SDO_GPIO_1) 
+#define LPSPI4_SDO_GPIO IOMUXC_GPIO_B0_02_LPSPI4_SDO
+#elif defined(LPSPI4_SDO_GPIO_2) 
+#define LPSPI4_SDO_GPIO IOMUXC_GPIO_B1_06_LPSPI4_SDO
+#else
+#define LPSPI4_SDO_GPIO IOMUXC_GPIO_B0_02_LPSPI4_SDO
+#endif 
+
+#if   defined(LPSPI4_SDI_GPIO_1) 
+#define LPSPI4_SDI_GPIO IOMUXC_GPIO_B0_01_LPSPI4_SDI
+#elif defined(LPSPI4_SDI_GPIO_2) 
+#define LPSPI4_SDI_GPIO IOMUXC_GPIO_B1_05_LPSPI4_SDI
+#else
+#define LPSPI4_SDI_GPIO IOMUXC_GPIO_B0_01_LPSPI4_SDI
+#endif 
+
 struct rt1050_spi
 {
     LPSPI_Type *base;
     struct rt_spi_configuration *cfg;
 };
 
-struct rt1050_hw_spi_cs
+struct rt1050_sw_spi_cs
 {
     rt_uint32_t pin;
 };
@@ -76,6 +180,8 @@ static rt_err_t rt1050_spi_init(LPSPI_Type *base, struct rt_spi_configuration *c
 {
     lpspi_master_config_t masterConfig; 
     
+    RT_ASSERT(cfg != RT_NULL); 
+    
     if(cfg->data_width != 8 && cfg->data_width != 16 && cfg->data_width != 32)
     {
         return RT_EINVAL; 
@@ -84,69 +190,57 @@ static rt_err_t rt1050_spi_init(LPSPI_Type *base, struct rt_spi_configuration *c
 #if defined(RT_USING_SPIBUS1)
     if(base == LPSPI1)
     {
-        IOMUXC_SetPinMux   (IOMUXC_GPIO_EMC_27_LPSPI1_SCK, 0U); 
-        IOMUXC_SetPinConfig(IOMUXC_GPIO_EMC_27_LPSPI1_SCK, 0x10B0u); 
-        IOMUXC_SetPinMux   (IOMUXC_GPIO_EMC_28_LPSPI1_SDO, 0U); 
-        IOMUXC_SetPinConfig(IOMUXC_GPIO_EMC_28_LPSPI1_SDO, 0x10B0u); 
-        IOMUXC_SetPinMux   (IOMUXC_GPIO_EMC_29_LPSPI1_SDI, 0U); 
-        IOMUXC_SetPinConfig(IOMUXC_GPIO_EMC_29_LPSPI1_SDI, 0x10B0u); 
+        IOMUXC_SetPinMux   (LPSPI1_SCK_GPIO, 0U); 
+        IOMUXC_SetPinConfig(LPSPI1_SCK_GPIO, 0x10B0u); 
+        IOMUXC_SetPinMux   (LPSPI1_SDO_GPIO, 0U); 
+        IOMUXC_SetPinConfig(LPSPI1_SDO_GPIO, 0x10B0u); 
+        IOMUXC_SetPinMux   (LPSPI1_SDI_GPIO, 0U); 
+        IOMUXC_SetPinConfig(LPSPI1_SDI_GPIO, 0x10B0u); 
     }
 #endif 
     
 #if defined(RT_USING_SPIBUS2)
     if(base == LPSPI2)
     {
-        IOMUXC_SetPinMux   (IOMUXC_GPIO_SD_B1_07_LPSPI2_SCK, 0U); 
-        IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B1_07_LPSPI2_SCK, 0x10B0u); 
-        IOMUXC_SetPinMux   (IOMUXC_GPIO_SD_B1_08_LPSPI2_SD0, 0U); 
-        IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B1_08_LPSPI2_SD0, 0x10B0u); 
-        IOMUXC_SetPinMux   (IOMUXC_GPIO_SD_B1_09_LPSPI2_SDI, 0U); 
-        IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B1_09_LPSPI2_SDI, 0x10B0u); 
-        
-        /* Optional IO config */
-        //IOMUXC_SetPinMux   (IOMUXC_GPIO_EMC_00_LPSPI2_SCK, 0U); 
-        //IOMUXC_SetPinConfig(IOMUXC_GPIO_EMC_00_LPSPI2_SCK, 0x10B0u); 
-        //IOMUXC_SetPinMux   (IOMUXC_GPIO_EMC_02_LPSPI2_SDO, 0U); 
-        //IOMUXC_SetPinConfig(IOMUXC_GPIO_EMC_02_LPSPI2_SDO, 0x10B0u); 
-        //IOMUXC_SetPinMux   (IOMUXC_GPIO_EMC_03_LPSPI2_SDI, 0U); 
-        //IOMUXC_SetPinConfig(IOMUXC_GPIO_EMC_03_LPSPI2_SDI, 0x10B0u); 
+        IOMUXC_SetPinMux   (LPSPI2_SCK_GPIO, 0U); 
+        IOMUXC_SetPinConfig(LPSPI2_SCK_GPIO, 0x10B0u); 
+        IOMUXC_SetPinMux   (LPSPI2_SDO_GPIO, 0U); 
+        IOMUXC_SetPinConfig(LPSPI2_SDO_GPIO, 0x10B0u); 
+        IOMUXC_SetPinMux   (LPSPI2_SDI_GPIO, 0U); 
+        IOMUXC_SetPinConfig(LPSPI2_SDI_GPIO, 0x10B0u); 
     }
 #endif 
     
 #if defined(RT_USING_SPIBUS3)
     if(base == LPSPI3)
     {
-        IOMUXC_SetPinMux   (IOMUXC_GPIO_AD_B1_13_LPSPI3_SDI, 0U); 
-        IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_13_LPSPI3_SDI, 0x10B0u); 
-        IOMUXC_SetPinMux   (IOMUXC_GPIO_AD_B1_14_LPSPI3_SDO, 0U); 
-        IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_14_LPSPI3_SDO, 0x10B0u); 
-        IOMUXC_SetPinMux   (IOMUXC_GPIO_AD_B1_15_LPSPI3_SCK, 0U); 
-        IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_15_LPSPI3_SCK, 0x10B0u); 
+        IOMUXC_SetPinMux   (LPSPI3_SCK_GPIO, 0U); 
+        IOMUXC_SetPinConfig(LPSPI3_SCK_GPIO, 0x10B0u); 
+        IOMUXC_SetPinMux   (LPSPI3_SDO_GPIO, 0U); 
+        IOMUXC_SetPinConfig(LPSPI3_SDO_GPIO, 0x10B0u); 
+        IOMUXC_SetPinMux   (LPSPI3_SDI_GPIO, 0U); 
+        IOMUXC_SetPinConfig(LPSPI3_SDI_GPIO, 0x10B0u); 
     }
 #endif 
     
 #if defined(RT_USING_SPIBUS4)
     if(base == LPSPI4)
     {
-        IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_01_LPSPI4_SDI, 0U); 
-        IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_01_LPSPI4_SDI, 0x10B0u); 
-        IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_02_LPSPI4_SDO, 0U); 
-        IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_02_LPSPI4_SDO, 0x10B0u); 
-        IOMUXC_SetPinMux   (IOMUXC_GPIO_B0_03_LPSPI4_SCK, 0U); 
-        IOMUXC_SetPinConfig(IOMUXC_GPIO_B0_03_LPSPI4_SCK, 0x10B0u); 
-
-        /* Optional IO config */
-        //IOMUXC_SetPinMux   (IOMUXC_GPIO_B1_07_LPSPI4_SCK, 0U); 
-        //IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_07_LPSPI4_SCK, 0x10B0u); 
-        //IOMUXC_SetPinMux   (IOMUXC_GPIO_B1_06_LPSPI4_SDO, 0U); 
-        //IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_06_LPSPI4_SDO, 0x10B0u); 
-        //IOMUXC_SetPinMux   (IOMUXC_GPIO_B1_05_LPSPI4_SDI, 0U); 
-        //IOMUXC_SetPinConfig(IOMUXC_GPIO_B1_05_LPSPI4_SDI, 0x10B0u); 
+        IOMUXC_SetPinMux   (LPSPI4_SCK_GPIO, 0U); 
+        IOMUXC_SetPinConfig(LPSPI4_SCK_GPIO, 0x10B0u); 
+        IOMUXC_SetPinMux   (LPSPI4_SDO_GPIO, 0U); 
+        IOMUXC_SetPinConfig(LPSPI4_SDO_GPIO, 0x10B0u); 
+        IOMUXC_SetPinMux   (LPSPI4_SDI_GPIO, 0U); 
+        IOMUXC_SetPinConfig(LPSPI4_SDI_GPIO, 0x10B0u); 
     }
 #endif 
     
     LPSPI_MasterGetDefaultConfig(&masterConfig); 
     
+    if(cfg->max_hz > 40*1000*1000)
+    {
+        cfg->max_hz = 40*1000*1000;
+    }
     masterConfig.baudRate     = cfg->max_hz; 
     masterConfig.bitsPerFrame = cfg->data_width; 
     
@@ -191,12 +285,12 @@ static rt_err_t rt1050_spi_init(LPSPI_Type *base, struct rt_spi_configuration *c
 
 rt_err_t rt1050_spi_bus_attach_device(const char *bus_name, const char *device_name, rt_uint32_t pin)
 {
-    rt_err_t ret; 
+    rt_err_t ret = RT_EOK; 
     
     struct rt_spi_device *spi_device = (struct rt_spi_device *)rt_malloc(sizeof(struct rt_spi_device)); 
     RT_ASSERT(spi_device != RT_NULL); 
     
-    struct rt1050_hw_spi_cs *cs_pin = (struct rt1050_hw_spi_cs *)rt_malloc(sizeof(struct rt1050_hw_spi_cs)); 
+    struct rt1050_sw_spi_cs *cs_pin = (struct rt1050_sw_spi_cs *)rt_malloc(sizeof(struct rt1050_sw_spi_cs)); 
     RT_ASSERT(cs_pin != RT_NULL);
     
     cs_pin->pin = pin;
@@ -210,7 +304,7 @@ rt_err_t rt1050_spi_bus_attach_device(const char *bus_name, const char *device_n
 
 static rt_err_t spi_configure(struct rt_spi_device *device, struct rt_spi_configuration *cfg)
 {
-    rt_err_t ret; 
+    rt_err_t ret = RT_EOK; 
     struct rt1050_spi *spi = RT_NULL; 
     
     RT_ASSERT(cfg != RT_NULL);
@@ -232,17 +326,18 @@ static rt_uint32_t spixfer(struct rt_spi_device *device, struct rt_spi_message *
     RT_ASSERT(device->bus->parent.user_data != RT_NULL);
     
     struct rt1050_spi *spi = (struct rt1050_spi *)(device->bus->parent.user_data); 
-    struct rt1050_hw_spi_cs *cs = device->parent.user_data; 
+    struct rt1050_sw_spi_cs *cs = device->parent.user_data; 
     
     if(message->cs_take)
     {
         rt_pin_write(cs->pin, PIN_LOW);
     }
     
-    transfer.rxData = (uint8_t *)(message->recv_buf); 
-    transfer.txData = (uint8_t *)(message->send_buf); 
     transfer.dataSize = message->length; 
-    status_t stat = LPSPI_MasterTransferBlocking(spi->base, &transfer); 
+    transfer.rxData   = (uint8_t *)(message->recv_buf); 
+    transfer.txData   = (uint8_t *)(message->send_buf); 
+    
+    LPSPI_MasterTransferBlocking(spi->base, &transfer); 
     
     if(message->cs_release)
     {
@@ -314,19 +409,19 @@ int rt_hw_spi_bus_init(void)
 #endif
     
 #if defined(RT_USING_SPIBUS1)
-    rt_spi_bus_register(&spi1_bus, "spibus1", &rt1050_spi_ops); 
+    rt_spi_bus_register(&spi1_bus, "spi1", &rt1050_spi_ops); 
 #endif
     
 #if defined(RT_USING_SPIBUS2)
-    rt_spi_bus_register(&spi2_bus, "spibus2", &rt1050_spi_ops); 
+    rt_spi_bus_register(&spi2_bus, "spi2", &rt1050_spi_ops); 
 #endif
     
 #if defined(RT_USING_SPIBUS3)
-    rt_spi_bus_register(&spi3_bus, "spibus3", &rt1050_spi_ops); 
+    rt_spi_bus_register(&spi3_bus, "spi3", &rt1050_spi_ops); 
 #endif
     
 #if defined(RT_USING_SPIBUS4)
-    rt_spi_bus_register(&spi4_bus, "spibus4", &rt1050_spi_ops); 
+    rt_spi_bus_register(&spi4_bus, "spi4", &rt1050_spi_ops); 
 #endif
     
     return RT_EOK; 

bsp/imxrt1052-evk/project.uvprojx

@@ -10,7 +10,7 @@
       <TargetName>RT-Thread IMXRT1052</TargetName>
       <ToolsetNumber>0x4</ToolsetNumber>
       <ToolsetName>ARM-ADS</ToolsetName>
-      <pCCUsed>5060422::V5.06 update 4 (build 422)::ARMCC</pCCUsed>
+      <pCCUsed>5060528::V5.06 update 5 (build 528)::ARMCC</pCCUsed>
       <TargetOption>
         <TargetCommonOption>
           <Device>MIMXRT1052:M7</Device>
@@ -334,7 +334,7 @@
               <MiscControls>--library_interface=armcc --library_type=standardlib --diag_suppress=66,1296,186</MiscControls>
               <Define>SKIP_SYSCLK_INIT, CPU_MIMXRT1052DVL6A, FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL=1, EVK_MCIMXRM, FSL_FEATURE_PHYKSZ8081_USE_RMII50M_MODE, RT_USING_ARM_LIBC</Define>
               <Undefine></Undefine>
-              <IncludePath>applications;.;drivers;Libraries;Libraries\drivers;Libraries\utilities;Libraries\CMSIS\Include;..\..\include;..\..\libcpu\arm\cortex-m7;..\..\libcpu\arm\common;..\..\components\dfs\include;..\..\components\dfs\filesystems\devfs;..\..\components\dfs\filesystems\elmfat;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\finsh;..\..\components\libc\compilers\armlibc;..\..\components\net\lwip-2.0.2\src;..\..\components\net\lwip-2.0.2\src\include;..\..\components\net\lwip-2.0.2\src\include\ipv4;..\..\components\net\lwip-2.0.2\src\arch\include;..\..\components\net\lwip-2.0.2\src\include\netif;..\..\components\net\lwip-2.0.2\src\include\posix</IncludePath>
+              <IncludePath>applications;.;drivers;Libraries;Libraries\drivers;Libraries\utilities;Libraries\CMSIS\Include;..\..\include;..\..\libcpu\arm\cortex-m7;..\..\libcpu\arm\common;..\..\components\dfs\include;..\..\components\dfs\filesystems\devfs;..\..\components\dfs\filesystems\elmfat;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\spi;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\finsh;..\..\components\libc\compilers\armlibc;..\..\components\net\lwip-2.0.2\src;..\..\components\net\lwip-2.0.2\src\include;..\..\components\net\lwip-2.0.2\src\include\ipv4;..\..\components\net\lwip-2.0.2\src\arch\include;..\..\components\net\lwip-2.0.2\src\include\netif;..\..\components\net\lwip-2.0.2\src\include\posix</IncludePath>
             </VariousControls>
           </Cads>
           <Aads>
@@ -428,6 +428,11 @@
               <FileType>1</FileType>
               <FilePath>drivers\drv_rtc.c</FilePath>
             </File>
+            <File>
+              <FileName>drv_spi_bus.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>drivers\drv_spi_bus.c</FilePath>
+            </File>
             <File>
               <FileName>hyper_flash_boot.c</FileName>
               <FileType>1</FileType>
@@ -907,6 +912,74 @@
         </Group>
         <Group>
           <GroupName>DeviceDrivers</GroupName>
+          <GroupOption>
+            <CommonProperty>
+              <UseCPPCompiler>0</UseCPPCompiler>
+              <RVCTCodeConst>0</RVCTCodeConst>
+              <RVCTZI>0</RVCTZI>
+              <RVCTOtherData>0</RVCTOtherData>
+              <ModuleSelection>0</ModuleSelection>
+              <IncludeInBuild>1</IncludeInBuild>
+              <AlwaysBuild>0</AlwaysBuild>
+              <GenerateAssemblyFile>0</GenerateAssemblyFile>
+              <AssembleAssemblyFile>0</AssembleAssemblyFile>
+              <PublicsOnly>0</PublicsOnly>
+              <StopOnExitCode>3</StopOnExitCode>
+              <CustomArgument></CustomArgument>
+              <IncludeLibraryModules></IncludeLibraryModules>
+              <ComprImg>0</ComprImg>
+            </CommonProperty>
+            <GroupArmAds>
+              <Cads>
+                <interw>2</interw>
+                <Optim>0</Optim>
+                <oTime>2</oTime>
+                <SplitLS>2</SplitLS>
+                <OneElfS>2</OneElfS>
+                <Strict>2</Strict>
+                <EnumInt>2</EnumInt>
+                <PlainCh>2</PlainCh>
+                <Ropi>2</Ropi>
+                <Rwpi>2</Rwpi>
+                <wLevel>0</wLevel>
+                <uThumb>2</uThumb>
+                <uSurpInc>2</uSurpInc>
+                <uC99>2</uC99>
+                <useXO>2</useXO>
+                <v6Lang>0</v6Lang>
+                <v6LangP>0</v6LangP>
+                <vShortEn>2</vShortEn>
+                <vShortWch>2</vShortWch>
+                <v6Lto>2</v6Lto>
+                <v6WtE>2</v6WtE>
+                <v6Rtti>2</v6Rtti>
+                <VariousControls>
+                  <MiscControls></MiscControls>
+                  <Define> </Define>
+                  <Undefine> </Undefine>
+                  <IncludePath> </IncludePath>
+                </VariousControls>
+              </Cads>
+              <Aads>
+                <interw>2</interw>
+                <Ropi>2</Ropi>
+                <Rwpi>2</Rwpi>
+                <thumb>2</thumb>
+                <SplitLS>2</SplitLS>
+                <SwStkChk>2</SwStkChk>
+                <NoWarn>2</NoWarn>
+                <uSurpInc>2</uSurpInc>
+                <useXO>2</useXO>
+                <uClangAs>2</uClangAs>
+                <VariousControls>
+                  <MiscControls></MiscControls>
+                  <Define></Define>
+                  <Undefine></Undefine>
+                  <IncludePath></IncludePath>
+                </VariousControls>
+              </Aads>
+            </GroupArmAds>
+          </GroupOption>
           <Files>
             <File>
               <FileName>i2c_core.c</FileName>
@@ -963,6 +1036,16 @@
               <FileType>1</FileType>
               <FilePath>..\..\components\drivers\serial\serial.c</FilePath>
             </File>
+            <File>
+              <FileName>spi_core.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\components\drivers\spi\spi_core.c</FilePath>
+            </File>
+            <File>
+              <FileName>spi_dev.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\components\drivers\spi\spi_dev.c</FilePath>
+            </File>
             <File>
               <FileName>completion.c</FileName>
               <FileType>1</FileType>

bsp/imxrt1052-evk/rtconfig.h

@@ -95,6 +95,7 @@
 #define RT_USING_PIN
 #define RT_USING_RTC
 #define RT_USING_SDIO
+#define RT_USING_SPI
 
 /* Using USB */
 
@@ -193,11 +194,21 @@
 #define SOC_IMXRT1052
 #define BOARD_RT1050_EVK
 
-/* RT1050_EVK Bsp Config */
+/* RT1050 Bsp Config */
 
-/* Select uart device */
+/* Select uart drivers */
 
 #define RT_USING_UART1
+
+/* Select spi bus drivers */
+
+#define LPSPI_CLK_SOURCE_FROM_PLL3PFD1
+#define LPSPI_CLK_SOURCE 0
+#define LPSPI_CLK_SOURCE_DIVIDER 7
+#define RT_USING_SPIBUS4
+#define LPSPI4_SCK_GPIO_1
+#define LPSPI4_SDO_GPIO_1
+#define LPSPI4_SDI_GPIO_1
 #define RT_USING_SDRAM
 #define RT_USING_RTC_HP