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dm: Move the function for getting GPIO status into the uclass

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This function can be more easily tested if it is in the uclass.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2014-10-04 11:29:44 -06:00
parent 6449a506d6
commit 0757535a7e
3 changed files with 78 additions and 36 deletions
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18
include/asm-generic/gpio.h
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@ -95,6 +95,24 @@ enum gpio_func_t {
struct udevice;
/**
* gpio_get_status() - get the current GPIO status as a string
*
* Obtain the current GPIO status as a string which can be presented to the
* user. A typical string is:
*
* "b4: in: 1 [x] sdmmc_cd"
*
* which means this is GPIO bank b, offset 4, currently set to input, current
* value 1, [x] means that it is requested and the owner is 'sdmmc_cd'
*
* @dev: Device to check
* @offset: Offset of device GPIO to check
* @buf: Place to put string
* @buffsize: Size of string including \0
*/
int gpio_get_status(struct udevice *dev, int offset, char *buf, int buffsize);
/**
* gpio_get_function() - get the current function for a GPIO pin
*