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Diffstat (limited to 'Documentation/arm/samsung/gpio.rst')
| -rw-r--r-- | Documentation/arm/samsung/gpio.rst | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/Documentation/arm/samsung/gpio.rst b/Documentation/arm/samsung/gpio.rst deleted file mode 100644 index f6e27b07c993..000000000000 --- a/Documentation/arm/samsung/gpio.rst +++ /dev/null @@ -1,40 +0,0 @@ -=========================== -Samsung GPIO implementation -=========================== - -Introduction ------------- - -This outlines the Samsung GPIO implementation and the architecture -specific calls provided alongside the drivers/gpio core. - - -S3C24XX (Legacy) ----------------- - -See Documentation/arm/samsung-s3c24xx/gpio.rst for more information -about these devices. Their implementation has been brought into line -with the core samsung implementation described in this document. - - -GPIOLIB integration -------------------- - -The gpio implementation uses gpiolib as much as possible, only providing -specific calls for the items that require Samsung specific handling, such -as pin special-function or pull resistor control. - -GPIO numbering is synchronised between the Samsung and gpiolib system. - - -PIN configuration ------------------ - -Pin configuration is specific to the Samsung architecture, with each SoC -registering the necessary information for the core gpio configuration -implementation to configure pins as necessary. - -The s3c_gpio_cfgpin() and s3c_gpio_setpull() provide the means for a -driver or machine to change gpio configuration. - -See arch/arm/mach-s3c/gpio-cfg.h for more information on these functions. |