Wiki

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
resources:tools-software:linux-drivers:multifunction-device:adp5520 [29 Sep 2010 15:12]
Robin Getz split into 2 sections
resources:tools-software:linux-drivers:multifunction-device:adp5520 [16 Feb 2015 11:50]
Lars-Peter Clausen [Status]
Line 1: Line 1:
-====== ADP5520/​01 ​driver ​======+====== ADP5520/​01 ​MFD Linux Driver ​======
  
 ===== Supported Devices ===== ===== Supported Devices =====
  
-The driver for the [[:ADP5520]] ​also supports the [[:ADP5501]].+  * [[adi>ADP5520]] 
 +  * [[adi>ADP5501]]
  
 +===== Evaluation Boards =====
 +
 +  * [[adi>​ADP5520-EVALZ]]  ​
 ===== Description ===== ===== Description =====
  
Line 82: Line 86:
 ===== Status ===== ===== Status =====
  
- Source ​  Mainlined? ​ +^ Source ^ Mainlined? ^ 
- [[bf>​project/​linux-kernel/​scmsvn/​trunk/​drivers/​mfd/​adp5520.c|svn]] ​ [[bfin>git/?​p=readonly-mirrors/​linux-kernel.git;​a=history;​f=drivers/​mfd/​adp5520.c;hb=HEAD|git]] ​  [[http://git.kernel.org/?​p=linux/​kernel/​git/​torvalds/​linux-2.6.git;​a=blob;​f=drivers/​mfd/​adp5520.c;hb=HEAD|Yes]] ​ |+| [[git.linux.org>​drivers/​mfd/​adp5520.c|git]] | [[git.linux.org>drivers/​mfd/​adp5520.c|Yes]] | 
  
 ===== Files ===== ===== Files =====
Line 97: Line 102:
 ====== Example platform device initialization ====== ====== Example platform device initialization ======
  
-<note important>​+{{page>​software/​linux/​docs/​platform_and_bus_model#​Platform Data&​noheader&​firstseconly&​noeditbtn}} 
 + 
 +<WRAP important>​
 Since Keypad, GPIO and optional LEDs (2, 3) are multiplexed,​ you need to avoid double configurations. Please refer to the table below. Since Keypad, GPIO and optional LEDs (2, 3) are multiplexed,​ you need to avoid double configurations. Please refer to the table below.
-</note>+</WRAP>
  
 ^ ADP5520 PIN ^ R3 ^ R2 ^ R1 ^ R0 ^ C0 ^ C1 ^ C2 ^ C3 ^ ^ ADP5520 PIN ^ R3 ^ R2 ^ R1 ^ R0 ^ C0 ^ C1 ^ C2 ^ C3 ^
Line 106: Line 113:
 | **LED** | LED3 |  |  |  |  |  |  | LED2 |  ​ | **LED** | LED3 |  |  |  |  |  |  | LED2 |  ​
  
-<note tip>  +<WRAP tip>  
-Please refer to include/​linux/​mfd/​adp5520.h for detailed configuration defines. +Please refer to [[git.linux.org>​include/​linux/​mfd/​adp5520.h]] for detailed configuration defines. 
-</note> +</WRAP>
- +
-<source trunk/​include/​linux/​mfd/​adp5520.h:/​LEDs/​ssubdevice/​sbits/​sand/​smasks/​1-/​functions/​ c linux-kernel>+
  
 ==== Backlight ===== ==== Backlight =====
Line 133: Line 138:
  
 ==== ADP5520/​ADP5501 MFD Core Support ===== ==== ADP5520/​ADP5501 MFD Core Support =====
 +
 +{{page>​software/​linux/​docs/​platform_and_bus_model#​Declaring I2C devices&​firstseconly&​noeditbtn}}
  
 <source trunk/​arch/​blackfin/​mach-bf537/​boards/​stamp.c:​adp5520_pdev_data{} c linux-kernel>​ <source trunk/​arch/​blackfin/​mach-bf537/​boards/​stamp.c:​adp5520_pdev_data{} c linux-kernel>​
 <source trunk/​arch/​blackfin/​mach-bf537/​boards/​stamp.c:/​CONFIG_PMIC_ADP5520/​2-/#​if/​ c linux-kernel>​ <source trunk/​arch/​blackfin/​mach-bf537/​boards/​stamp.c:/​CONFIG_PMIC_ADP5520/​2-/#​if/​ c linux-kernel>​
  
-<note tip>+<WRAP tip>
 **ADP5520 IRQ Usage:**\\ **ADP5520 IRQ Usage:**\\
 If you aren’t planning to utilize the Keypad interface, you don’t need to specify an IRQ in bfin_i2c_board_info. If you aren’t planning to utilize the Keypad interface, you don’t need to specify an IRQ in bfin_i2c_board_info.
-</note>+</WRAP>
  
 ====== Adding Linux driver support ====== ====== Adding Linux driver support ======
Line 203: Line 210:
  
 ====== Hardware configuration ====== ====== Hardware configuration ======
 +
 +{{:​software:​driver:​linux:​adp5520_brd.jpg?​800|ADP5520 Demo Mother/​Daughter Board}}
  
 There is no dedicated Blackfin STAMP evaluation board for the ADP5520. There is no dedicated Blackfin STAMP evaluation board for the ADP5520.
 During test and driver development we used the ADP5520 Demo Mother/​Daughter Board. During test and driver development we used the ADP5520 Demo Mother/​Daughter Board.
 +Connect the ADP5520 Demo Mother to an USB port.
  
 It can be easily wired to the Blackfin STAMP TWI/I2C header. It can be easily wired to the Blackfin STAMP TWI/I2C header.
Line 211: Line 221:
 ^ BF537-STAMP (P10) TWI/I2C header ​ ^^ ADP5520 Daughter Board ^ ^ BF537-STAMP (P10) TWI/I2C header ​ ^^ ADP5520 Daughter Board ^
 ^ PIN ^ Function ^ PIN/​Function ^ ^ PIN ^ Function ^ PIN/​Function ^
-| 2 | (+3.3V) | VCC | 
 | 5 | SCL | SCL | | 5 | SCL | SCL |
 | 6 | SDA| SDA | | 6 | SDA| SDA |
Line 247: Line 256:
 root:/​sys/​devices/​platform/​i2c-bfin-twi.0/​i2c-adapter/​i2c-0/​0-0032/​backlight/​adp5520-backlight>​ **echo 0 > brightness** root:/​sys/​devices/​platform/​i2c-bfin-twi.0/​i2c-adapter/​i2c-0/​0-0032/​backlight/​adp5520-backlight>​ **echo 0 > brightness**
 </​xterm>​ </​xterm>​
 +
 +__**For more information on Backlight handling in Linux read:**__ [[git.linux.org>​Documentation/​ABI/​stable/​sysfs-class-backlight]] ​
  
 ==== LED ===== ==== LED =====
Line 274: Line 285:
 root:/> root:/>
 </​xterm>​ </​xterm>​
 +
 +__**For more information on LEDs handling in Linux read:**__ [[git.linux.org>​Documentation/​leds-class.txt]] ​
  
 ==== GPIO ===== ==== GPIO =====
Line 294: Line 307:
                    [*] Input event device test                    [*] Input event device test
 </​xterm>​ </​xterm>​
 +
 +__**For more information on GPIO handling in Linux read:**__ [[git.linux.org>​Documentation/​gpio.txt]] ​
 +
  
 ==== Keypad ===== ==== Keypad =====
Line 342: Line 358:
 root:/> root:/>
 </​xterm>​ </​xterm>​
 +
 +__**For more information on Input handling in Linux read:**__ [[git.linux.org>​Documentation/​input/​input.txt]]
 +
 +====== More Information ======
 +
 +{{page>​resources/​tools-software/​linux-drivers/​snippets#​input_pointers&​noheader&​firstseconly&​noeditbtn}} ​
 +
resources/tools-software/linux-drivers/multifunction-device/adp5520.txt · Last modified: 16 Feb 2015 11:50 by Lars-Peter Clausen