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| resources:tools-software:linux-drivers:iio-dac:ad5791 [14 Oct 2011 10:55] – [Driver testing] Adjust to new iio naming spec Lars-Peter Clausen | resources:tools-software:linux-drivers:iio-dac:ad5791 [11 Feb 2016 20:55] (current) – [Status] Lars-Peter Clausen | ||
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| Line 4: | Line 4: | ||
| ===== Supported Devices ===== | ===== Supported Devices ===== | ||
| - | This driver supports the\\ | + | * [[adi> |
| - | [[adi> | + | |
| - | [[adi> | + | |
| - | [[adi> | + | * [[adi> |
| - | [[adi> | + | * [[adi> |
| + | ===== Reference Circuits ===== | ||
| + | * [[adi> | ||
| + | * [[adi> | ||
| + | * [[adi> | ||
| + | * [[adi> | ||
| + | * [[adi> | ||
| + | * [[adi> | ||
| + | |||
| + | ===== Evaluation Boards ===== | ||
| + | |||
| + | * [[adi> | ||
| + | * [[adi> | ||
| + | * [[adi> | ||
| + | * [[adi> | ||
| + | * [[adi> | ||
| ===== Description ===== | ===== Description ===== | ||
| Line 21: | Line 36: | ||
| ===== Status ===== | ===== Status ===== | ||
| - | ^ Source | + | ^ Source ^ Mainlined? ^ |
| - | | [[bfgit>linux-kernel?drivers/staging/ | + | | [[git.linux.org>drivers/ |
| ===== Files ===== | ===== Files ===== | ||
| ^ Function ^ File ^ | ^ Function ^ File ^ | ||
| - | | driver | + | | driver |
| - | | include | [[git.linux.org> | + | | include | [[git.linux.org> |
| ====== Example platform device initialization ====== | ====== Example platform device initialization ====== | ||
| Line 50: | Line 65: | ||
| </ | </ | ||
| - | <note tip> | + | <WRAP tip> |
| This driver supports also an alternative way of specifying the reference voltage, by using the Linux regulator framework. | This driver supports also an alternative way of specifying the reference voltage, by using the Linux regulator framework. | ||
| - | </note> | + | </WRAP> |
| ===== Specifying reference voltage via the regulator framework ===== | ===== Specifying reference voltage via the regulator framework ===== | ||
| Line 105: | Line 120: | ||
| static struct fixed_voltage_config stamp_vss_pdata = { | static struct fixed_voltage_config stamp_vss_pdata = { | ||
| .supply_name = " | .supply_name = " | ||
| - | .microvolts = | + | .microvolts = 10000000, |
| .gpio = -EINVAL, | .gpio = -EINVAL, | ||
| .enabled_at_boot = 0, | .enabled_at_boot = 0, | ||
| Line 153: | Line 168: | ||
| static struct spi_board_info board_spi_board_info[] __initdata = { | static struct spi_board_info board_spi_board_info[] __initdata = { | ||
| #if defined(CONFIG_AD5791) || \ | #if defined(CONFIG_AD5791) || \ | ||
| - | | + | |
| + | _MODULE) | ||
| { | { | ||
| /* the modalias must be the same as spi device driver name */ | /* the modalias must be the same as spi device driver name */ | ||
| Line 186: | Line 202: | ||
| "make qconfig" | "make qconfig" | ||
| - | <note> | + | <WRAP round help> |
| The AD5791 Driver depends on **CONFIG_SPI** | The AD5791 Driver depends on **CONFIG_SPI** | ||
| - | </note> | + | </WRAP> |
| < | < | ||
| Linux Kernel Configuration | Linux Kernel Configuration | ||
| - | Device Drivers | + | |
| - | [*] Staging drivers | + | ... |
| - | < | + | < |
| - | | + | --- Industrial I/O support |
| - | -*- | + | ... |
| - | -*- | + | Digital to analog |
| - | -*- | + | ... |
| - | + | < | |
| - | *** Digital to analog | + | ... |
| - | [--snip--] | + | ... |
| - | + | ... | |
| - | | + | |
| - | + | ||
| - | [--snip--] | + | |
| </ | </ | ||
| - | |||
| ====== Hardware configuration ====== | ====== Hardware configuration ====== | ||
| Line 216: | Line 228: | ||
| {{page> | {{page> | ||
| - | < | + | <WRAP box bggreen>< |
| < | < | ||
| root:/> **cd / | root:/> **cd / | ||
| Line 235: | Line 247: | ||
| lrwxrwxrwx | lrwxrwxrwx | ||
| -rw-r--r-- | -rw-r--r-- | ||
| - | </ | + | </ |
| === Show device name === | === Show device name === | ||
| - | < | + | <WRAP box bggreen>< |
| < | < | ||
| root:/ | root:/ | ||
| ad5791 | ad5791 | ||
| - | </ | + | </ |
| === Show scale === | === Show scale === | ||
| Line 251: | Line 263: | ||
| scale to be applied to out_voltage0_raw in order to obtain the measured voltage in millivolts. | scale to be applied to out_voltage0_raw in order to obtain the measured voltage in millivolts. | ||
| - | < | + | <WRAP box bggreen>< |
| < | < | ||
| root:/ | root:/ | ||
| 0.019 | 0.019 | ||
| - | </ | + | </ |
| === Set channel Y output voltage === | === Set channel Y output voltage === | ||
| Line 265: | Line 277: | ||
| channel Y. | channel Y. | ||
| - | < | + | <WRAP box bggreen>< |
| < | < | ||
| root:/ | root:/ | ||
| - | </ | + | </ |
| **U** = // | **U** = // | ||
| - | < | + | <WRAP box bggreen>< |
| < | < | ||
| root:/ | root:/ | ||
| - | </ | + | </ |
| **U** = // | **U** = // | ||
| Line 286: | Line 298: | ||
| Lists all available output power down modes. | Lists all available output power down modes. | ||
| - | < | + | <WRAP box bggreen>< |
| < | < | ||
| root:/ | root:/ | ||
| 6kohm_to_gnd three_state | 6kohm_to_gnd three_state | ||
| - | </ | + | </ |
| === Set power down mode === | === Set power down mode === | ||
| Line 307: | Line 319: | ||
| - | < | + | <WRAP box bggreen>< |
| < | < | ||
| root:/ | root:/ | ||
| root:/ | root:/ | ||
| three_state | three_state | ||
| - | </ | + | </ |
| === Enable power down mode on output Y === | === Enable power down mode on output Y === | ||
| Line 324: | Line 336: | ||
| controlled together. | controlled together. | ||
| - | < | + | <WRAP box bggreen>< |
| < | < | ||
| root:/ | root:/ | ||
| Line 332: | Line 344: | ||
| root:/ | root:/ | ||
| 0 | 0 | ||
| - | </ | + | </ |
| ====== More Information ====== | ====== More Information ====== | ||
| {{page> | {{page> | ||
resources/tools-software/linux-drivers/iio-dac/ad5791.1318582546.txt.gz · Last modified: 14 Oct 2011 10:55 by Lars-Peter Clausen