Merge pull request #3739 from bigmagic123/add_raspi4_spi

raspi4 spi0 driver can run

Author: BernardXiong

bsp/raspberry-pi/raspi4-32/.config

@@ -134,13 +134,19 @@ CONFIG_RT_SERIAL_RB_BUFSZ=64
 # CONFIG_RT_USING_I2C is not set
 CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_ADC is not set
+# CONFIG_RT_USING_DAC is not set
 # CONFIG_RT_USING_PWM is not set
 # CONFIG_RT_USING_MTD_NOR is not set
 # CONFIG_RT_USING_MTD_NAND is not set
 # CONFIG_RT_USING_PM is not set
 # CONFIG_RT_USING_RTC is not set
 # CONFIG_RT_USING_SDIO is not set
-# CONFIG_RT_USING_SPI is not set
+CONFIG_RT_USING_SPI=y
+# CONFIG_RT_USING_QSPI is not set
+# CONFIG_RT_USING_SPI_MSD is not set
+# CONFIG_RT_USING_SFUD 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_AUDIO is not set
 # CONFIG_RT_USING_SENSOR is not set
@@ -475,6 +481,10 @@ CONFIG_BSP_USING_GIC=y
 CONFIG_BSP_USING_GIC400=y
 # CONFIG_BSP_USING_GIC500 is not set
 CONFIG_BSP_USING_PIN=y
+CONFIG_BSP_USING_SPI=y
+CONFIG_BSP_USING_SPI0_BUS=y
+CONFIG_BSP_USING_SPI0_DEVICE0=y
+# CONFIG_BSP_USING_SPI0_DEVICE1 is not set
 CONFIG_BSP_USING_CORETIMER=y
 # CONFIG_BSP_USING_SYSTIMER is not set
 # CONFIG_BSP_USING_WDT is not set

bsp/raspberry-pi/raspi4-32/driver/Kconfig

@@ -50,6 +50,25 @@ menu "Hardware Drivers Config"
             select RT_USING_PIN
             default y
 
+            menuconfig BSP_USING_SPI
+            bool "Enable SPI"
+            select RT_USING_SPI
+            default n
+        
+        if BSP_USING_SPI   
+            config BSP_USING_SPI0_BUS
+                bool "Enable SPI0 BUS"
+                default n
+            config BSP_USING_SPI0_DEVICE0
+                bool "Enable SPI0 DEVICE0"
+                select BSP_USING_SPI0_BUS
+                default n
+            config BSP_USING_SPI0_DEVICE1
+                bool "Enable SPI0 DEVICE1"
+                select BSP_USING_SPI0_BUS
+                default n
+        endif
+
         config BSP_USING_CORETIMER
             bool "Using core timer"
             select RT_USING_CORETIMER

bsp/raspberry-pi/raspi4-32/driver/SConscript

@@ -4,6 +4,16 @@ cwd     = GetCurrentDir()
 src     = Glob('*.c') + Glob('*.cpp')
 CPPPATH = [cwd, str(Dir('#'))]
 
-group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)
+group = DefineGroup('driver', src, depend = [''], CPPPATH = CPPPATH)
+
+# build for sub-directory
+list = os.listdir(cwd)
+objs = []
+
+for d in list:
+    path = os.path.join(cwd, d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(d, 'SConscript'))
+group = group + objs
 
 Return('group')

bsp/raspberry-pi/raspi4-32/driver/drv_gpio.c

@@ -120,6 +120,34 @@ void prev_raspi_pin_mode(GPIO_PIN pin, GPIO_FUNC mode)
     raspi_set_pin_state(fselnum, gpfsel);
 }
 
+void prev_raspi_pin_write(GPIO_PIN pin, int pin_value)
+{
+    uint32_t num = pin / 32;
+
+    if(num == 0)
+    {
+        if(pin_value == 1)
+        {
+            GPIO_REG_GPSET0(GPIO_BASE) = 1 << (pin % 32);
+        }
+        else
+        {
+            GPIO_REG_GPCLR0(GPIO_BASE) = 1 << (pin % 32);
+        }
+    }
+    else
+    {
+        if(pin_value == 1)
+        {
+            GPIO_REG_GPSET1(GPIO_BASE) = 1 << (pin % 32);
+        }
+        else
+        {
+            GPIO_REG_GPCLR1(GPIO_BASE) = 1 << (pin % 32);
+        }
+    }
+}
+
 static void raspi_pin_mode(struct rt_device *dev, rt_base_t pin, rt_base_t mode)
 {
     GPIO_FUNC raspi_mode = OUTPUT;
@@ -149,30 +177,7 @@ static void raspi_pin_mode(struct rt_device *dev, rt_base_t pin, rt_base_t mode)
 
 static void raspi_pin_write(struct rt_device *dev, rt_base_t pin, rt_base_t value)
 {
-    uint32_t num = pin / 32;
-
-    if(num == 0)
-    {
-        if(value == 0)
-        {
-            GPIO_REG_GPSET0(GPIO_BASE) = 1 << (pin % 32);
-        }
-        else
-        {
-            GPIO_REG_GPCLR0(GPIO_BASE) = 1 << (pin % 32);
-        }
-    }
-    else
-    {
-        if(value == 0)
-        {
-            GPIO_REG_GPSET1(GPIO_BASE) = 1 << (pin % 32);
-        }
-        else
-        {
-            GPIO_REG_GPCLR1(GPIO_BASE) = 1 << (pin % 32);
-        }
-    }
+    prev_raspi_pin_write(pin, value);
 }
 
 static int raspi_pin_read(struct rt_device *device, rt_base_t pin)

bsp/raspberry-pi/raspi4-32/driver/drv_gpio.h

@@ -134,6 +134,7 @@ typedef enum {
 } GPIO_PUPD_FUNC;
 
 void prev_raspi_pin_mode(GPIO_PIN pin, GPIO_FUNC mode);
+void prev_raspi_pin_write(GPIO_PIN pin, int pin_value);
 int rt_hw_gpio_init(void);
 
 #endif /* __DRV_GPIO_H__ */