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iio: ad7266: Convert to use GPIO descriptors

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The AD7266 have no in-tree users making use of the platform
data mechanism to pass address GPIO lines when not using
a fixed address, so we can easily convert this to use
GPIO descriptors instead of the platform data integers
currently passed.

Lowercase the labels "ad0".."ad2" as this will make a better
fit for platform descriptions like device tree that prefer
lowercase names such as "ad0-gpios" rather than "AD0-gpios".

Board files and other static users of this device can pass
the same GPIO descriptors using machine descriptor
tables if need be.

Cc: Alison Schofield <amsfield22@gmail.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Linus Walleij
2019-12-02 10:38:06 +01:00
committed by Jonathan Cameron
parent b747e35249
commit 5750ebab14
2 changed files with 12 additions and 20 deletions
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3
include/linux/platform_data/ad7266.h
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@@ -40,14 +40,11 @@ enum ad7266_mode {
* @range: Reference voltage range the device is configured for
* @mode: Sample mode the device is configured for
* @fixed_addr: Whether the address pins are hard-wired
* @addr_gpios: GPIOs used for controlling the address pins, only used if
* fixed_addr is set to false.
*/
struct ad7266_platform_data {
enum ad7266_range range;
enum ad7266_mode mode;
bool fixed_addr;
unsigned int addr_gpios[3];
};
#endif