[bsp][renesas] rtduino supports the soft spi switch to pwm function

1.修改drv_gpio.c：R_IOPORT_Open()函数只需执行一次，修改位置为init时执行
2.默认HMI-Board使能rtduino后支持soft spi，通过switch_pwm可切换为pwm功能

bsp/renesas/libraries/HAL_Drivers/drv_gpio.c

@@ -114,14 +114,6 @@ static void ra_pin_map_init(void)
 static void ra_pin_mode(rt_device_t dev, rt_base_t pin, rt_uint8_t mode)
 {
     fsp_err_t err;
-    /* Initialize the IOPORT module and configure the pins */
-    err = R_IOPORT_Open(&g_ioport_ctrl, &g_bsp_pin_cfg);
-
-    if (err != FSP_SUCCESS)
-    {
-        LOG_E("GPIO open failed");
-        return;
-    }
 
     switch (mode)
     {
@@ -335,6 +327,17 @@ int rt_hw_pin_init(void)
     ra_irq_tab_init();
     ra_pin_map_init();
 #endif
+
+    fsp_err_t err;
+    /* Initialize the IOPORT module and configure the pins */
+    err = R_IOPORT_Open(&g_ioport_ctrl, &g_bsp_pin_cfg);
+
+    if (err != FSP_SUCCESS)
+    {
+        LOG_E("GPIO open failed");
+        return -1;
+    }
+
     return rt_device_pin_register("pin", &_ra_pin_ops, RT_NULL);
 }
 

bsp/renesas/ra6m3-hmi-board/board/rtduino/arduino_pinout/pins_arduino.c

@@ -46,4 +46,26 @@ const pin_map_t pin_map_table[]=
     {A3, BSP_IO_PORT_00_PIN_03, "adc0", 7},                      /* ADC */
     {A4, BSP_IO_PORT_05_PIN_08, "adc0", 20},                     /* ADC */
     {A5, BSP_IO_PORT_00_PIN_14, "adc0", 5}                       /* ADC */
-};
+};
+
+static ioport_instance_ctrl_t g_pwm_ioport_ctrl;
+static const ioport_pin_cfg_t g_pwm_pin_cfg_data[] = {
+     {
+          .pin = BSP_IO_PORT_05_PIN_12,
+          .pin_cfg = ((uint32_t) IOPORT_CFG_PERIPHERAL_PIN | (uint32_t) IOPORT_PERIPHERAL_GPT1)
+     },
+};
+
+static const ioport_cfg_t g_pwm_pin_cfg = {
+     .number_of_pins = sizeof(g_pwm_pin_cfg_data)/sizeof(ioport_pin_cfg_t),
+     .p_pin_cfg_data = &g_pwm_pin_cfg_data[0],
+};
+
+void switchToPWM(const char *device_name)
+{
+     if(!rt_strcmp(device_name, "pwm0"))
+     {
+          R_IOPORT_Open(&g_pwm_ioport_ctrl, &g_pwm_pin_cfg);
+          LOG_I("D11 will switch from SPI to PWM");
+     }
+}