update docs

Signed-off-by: NAnnie_wang <annie.wangli@huawei.com>

en/device-dev/driver/driver-platform-gpio-develop.md

@@ -28,21 +28,21 @@ struct GpioMethod {
   int32_t (*unsetIrq)(struct GpioCntlr *cntlr, uint16_t local);
   int32_t (*enableIrq)(struct GpioCntlr *cntlr, uint16_t local);
   int32_t (*disableIrq)(struct GpioCntlr *cntlr, uint16_t local);
-};
+}
 ```
 
   **Table 1** Description of the callback functions in GpioMethod
 
 | Function| Input Parameter| Output Parameter| Return Value| Description|
 | -------- | -------- | -------- | -------- | -------- |
-| write | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type.<br>**val**: input level, which is of the uint16_t type. | – | HDF_STATUS| Writes the level of a GPIO pin.|
-| read | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type. | **val**: pointer to the output level, which is of the uint16_t type.| HDF_STATUS| Reads the level of a GPIO pin.|
-| setDir | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type.<br>**dir**: pin direction to set, which is of the uint16_t type. | – | HDF_STATUS| Sets the direction (input or output) for a GPIO pin.|
-| getDir | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type. | **dir**: pointer to the pin direction obtained, which is of the uint16_t type.| HDF_STATUS| Obtains the input or output direction of a GPIO pin.|
-| setIrq | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type.<br>**mode**: trigger mode, which can be edge or level of the uint16_t type. <br>**func**: pointer to the interrupt request (IRQ) handler.<br>**arg**: void pointer to the input parameters of the IRQ handler. | – | HDF_STATUS| Sets an IRQ for a GPIO pin.|
-| unsetIrq | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type. | – | HDF_STATUS| Cancels the IRQ settings for a GPIO pin.|
-| enableIrq | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type. | – | HDF_STATUS| Enables interrupts for a GPIO pin.|
-| disableIrq | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type. | – | HDF_STATUS| Disables interrupts for a GPIO pin.|
+| write | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type.<br>**val**: input level, which is of the uint16_t type.| –| HDF_STATUS| Writes the level of a GPIO pin.|
+| read | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type.| **val**: pointer to the output level, which is of the uint16_t type.| HDF_STATUS| Reads the level of a GPIO pin.|
+| setDir | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type.<br>**dir**: pin direction to set, which is of the uint16_t type.| –| HDF_STATUS| Sets the direction (input or output) for a GPIO pin.|
+| getDir | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type.| **dir**: pointer to the pin direction obtained, which is of the uint16_t type.| HDF_STATUS| Obtains the input or output direction of a GPIO pin.|
+| setIrq | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type.<br>**mode**: trigger mode, which can be edge or level of the uint16_t type. <br>**func**: pointer to the interrupt request (IRQ) handler.<br>**arg**: void pointer to the input parameters of the IRQ handler.| –| HDF_STATUS| Sets an IRQ for a GPIO pin.|
+| unsetIrq | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type.| –| HDF_STATUS| Cancels the IRQ settings for a GPIO pin.|
+| enableIrq | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type.| –| HDF_STATUS| Enables interrupts for a GPIO pin.|
+| disableIrq | **cntlr**: structure pointer to the GPIO controller at the core layer.<br>**local**: GPIO port number, which is of the uint16_t type.| –| HDF_STATUS| Disables interrupts for a GPIO pin.|
 
 
 ## How to Develop
@@ -62,8 +62,8 @@ The GPIO module adaptation involves the following steps:
 3. Instantiate the GPIO controller object.
    - Initialize **GpioCntlr**.
    - Instantiate **GpioMethod** in the **GpioCntlr** object.
-     
-      > ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br/> For details about the functions in **GpioMethod**, see [Available APIs](#available-apis).
+      > ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br/>
+      > For details about the functions in **GpioMethod**, see [Available APIs](#available-apis).
 
 4. Debug the driver.
    
@@ -112,7 +112,7 @@ The following uses **gpio_hi35xx.c** as an example to present the information re
               priority = 10;     // Driver startup priority.
               permission = 0644; // Permission to create device nodes for the driver.
               moduleName = "hisi_pl061_driver";           // (Mandatory) Driver name, which must be the same as moduleName in the driver entry.
-              deviceMatchAttr = "hisilicon_hi35xx_pl061";// (Mandatory) Private data of the controller. The value must be the same as the controller information in gpio_config.hcs.
+              deviceMatchAttr = "hisilicon_hi35xx_pl061"; // (Mandatory) Private data of the controller. The value must be the same as the controller information in gpio_config.hcs.
                                                           // Add private information about all controllers in this file.
               }
           }
@@ -130,7 +130,7 @@ The following uses **gpio_hi35xx.c** as an example to present the information re
               match_attr = "hisilicon_hi35xx_pl061"; // (Mandatory) The value must be the same as that of deviceMatchAttr in device_info.hcs.
               groupNum = 12;        // (Mandatory) GPIO group number.
               bitNum = 8;           // (Mandatory) Number of GPIO pins in each group.
-              regBase = 0x120d0000;// (Mandatory) Physical base address.
+              regBase = 0x120d0000; // (Mandatory) Physical base address.
               regStep = 0x1000;     // (Mandatory) Register offset step.
               irqStart = 48;        // (Mandatory) Enable interrupts.
               irqShare = 0;         // (Mandatory) Whether to share an interrupt.
@@ -158,7 +158,7 @@ The following uses **gpio_hi35xx.c** as an example to present the information re
         uint8_t irqShare;               // (Mandatory) Whether to share an interrupt.
         struct Pl061GpioGroup *groups;  // (Optional) Set based on the actual requirements.
       };
-      struct Pl061GpioGroup {// Register address, IRQ number and function, and lock.
+      struct Pl061GpioGroup {           // Register address, IRQ number and function, and lock.
         volatile unsigned char *regBase;
         unsigned int index;
         unsigned int irq;
@@ -179,7 +179,6 @@ The following uses **gpio_hi35xx.c** as an example to present the information re
         void *priv;
       };
       ```
-      
    - Instantiating the **GpioMethod** structure in **GpioCntlr** (other members are initialized by **Init**)
 
      
@@ -208,9 +207,7 @@ The following uses **gpio_hi35xx.c** as an example to present the information re
 
       Return value:
 
-      HDF_STATUS
-   
-      The table below describes some status. For more information, see **HDF_STATUS** in the **/drivers/framework/include/utils/hdf_base.h** file.
+      HDF_STATUS<br/>The table below describes some status. For more information, see **HDF_STATUS** in the **/drivers/framework/include/utils/hdf_base.h** file.
 
         **Table 2** HDF_STATUS
       
@@ -259,7 +256,6 @@ The following uses **gpio_hi35xx.c** as an example to present the information re
         ...
       }
       ```
-      
    - **Release** function
 
       Input parameter: