[bsp][nrf5340]add 5340 define for 1000000 baud rate;change RTC driver for 5340 (#6754)

* add nrf5340 bsp,add uarte and gpio drv for 5340

* [bsp][nrf5340]add 5340 define for 1000000 baud rate;change RTC driver for 5340

Co-authored-by: andrew li <[email protected]>

3 files changed, 46 insertions, 5 deletions

diff --git a/bsp/nrf5x/libraries/drivers/drv_rtc.c b/bsp/nrf5x/libraries/drivers/drv_rtc.c
index 23af3a4892..a06bb934b9 100644
--- a/bsp/nrf5x/libraries/drivers/drv_rtc.c
+++ b/bsp/nrf5x/libraries/drivers/drv_rtc.c
@@ -112,7 +112,8 @@ const static struct rt_device_ops rtc_ops =
 };
 #endif
 
-static rt_err_t rt_hw_rtc_register(rt_device_t device, const char *name, rt_uint32_t flag)
+#if defined(SOC_NRF5340)
+static rt_err_t rt_hw_rtc_register_5340(rt_device_t device, const char *name, rt_uint32_t flag)
 {
     struct tm time_new = ONCHIP_RTC_TIME_DEFAULT;
 
@@ -143,11 +144,47 @@ static rt_err_t rt_hw_rtc_register(rt_device_t device, const char *name, rt_uint
 
     return RT_EOK;
 }
+#else
+static rt_err_t rt_hw_rtc_register(rt_device_t device, const char *name, rt_uint32_t flag)
+{
+    struct tm time_new = ONCHIP_RTC_TIME_DEFAULT;
 
+    RT_ASSERT(device != RT_NULL);
+
+    init_time = timegm(&time_new);
+    if (rt_rtc_config(device) != RT_EOK)
+    {
+        return -RT_ERROR;
+    }
+#ifdef RT_USING_DEVICE_OPS
+    device->ops         = &rtc_ops;
+#else
+    device->init        = RT_NULL;
+    device->open        = RT_NULL;
+    device->close       = RT_NULL;
+    device->read        = RT_NULL;
+    device->write       = RT_NULL;
+    device->control     = rt_rtc_control;
+#endif
+    device->type        = RT_Device_Class_RTC;
+    device->rx_indicate = RT_NULL;
+    device->tx_complete = RT_NULL;
+    device->user_data   = RT_NULL;
+
+    /* register a character device */
+    rt_device_register(device, name, flag);
+
+    return RT_EOK;
+}
+#endif
 int rt_hw_rtc_init(void)
 {
     rt_err_t result;
+#if defined(SOC_NRF5340)
+        result = rt_hw_rtc_register_5340(&rtc, "rtc", RT_DEVICE_FLAG_RDWR);
+#else
     result = rt_hw_rtc_register(&rtc, "rtc", RT_DEVICE_FLAG_RDWR);
+#endif
     if (result != RT_EOK)
     {
         LOG_E("rtc register err code: %d", result);
diff --git a/bsp/nrf5x/libraries/drivers/drv_uarte.c b/bsp/nrf5x/libraries/drivers/drv_uarte.c
index 637d75e7f0..1139b69de8 100644
--- a/bsp/nrf5x/libraries/drivers/drv_uarte.c
+++ b/bsp/nrf5x/libraries/drivers/drv_uarte.c
@@ -155,9 +155,11 @@ static rt_err_t _uart_cfg(struct rt_serial_device *serial, struct serial_configu
     case BAUD_RATE_921600:
         config.baudrate = NRF_UARTE_BAUDRATE_921600;
         break;
-        case 1000000:
+#if defined(SOC_NRF5340)
+    case 1000000:
         config.baudrate = NRF_UARTE_BAUDRATE_1000000;
-                break;
+        break;
+#endif /* SOC_NRF5340*/
     case BAUD_RATE_2000000:
     case BAUD_RATE_3000000:
         return -RT_EINVAL;
@@ -286,7 +288,9 @@ int rt_hw_uart_init(void)
 
 #ifdef BSP_USING_UART0
     m_serial_0.config = config;
-        m_serial_0.config.baud_rate =  1000000;
+#if defined(SOC_NRF5340)
+    m_serial_0.config.baud_rate =  1000000;
+#endif /* SOC_NRF5340*/
     m_serial_0.ops = &_uart_ops;
     m_uarte0_cb.serial = &m_serial_0;
     rt_hw_serial_register(&m_serial_0, "uart0", \
diff --git a/bsp/nrf5x/nrf5340/README.md b/bsp/nrf5x/nrf5340/README.md
index cb695deaf5..bdb6f9e811 100644
--- a/bsp/nrf5x/nrf5340/README.md
+++ b/bsp/nrf5x/nrf5340/README.md
@@ -31,7 +31,7 @@
 | **片上外设** | **支持情况** |        **备注**        |
 | :----------- | :----------: | :--------------------: |
 | GPIO         |     支持     |         GPION          |
-| UART         |     支持     |         UART0          |
+| UART         |     支持     |         UART0 请暂时使用1000000波特率|
 | PWM          |     支持     |          支持          |
 | SPI          |     支持     |          支持          |
 | QSPI         |     支持     | 支持开发板上QSPI FLASH |