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mfd: si476x: Modernize GPIO handling

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The SI476X driver depends on the legacy GPIO API. As it only
really use a single GPIO for reset, and this can be easily converted
to use a GPIO descriptor, modernize the driver.

The "reset" GPIO is obtained from a device property, such as a
device tree ("reset-gpios", which is standard, but this hardware has
no DT bindings as of now) or a software node for static platforms.

Out-of-tree users can easily adopt to providing a GPIO descriptor
this way.

Signed-off-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260608-mfd-si476x-v2-1-da5f779c1888@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Linus Walleij 2026-06-08 10:57:34 +02:00 • committed by Lee Jones
commit b87549a9bb
5 changed files with 19 additions and 36 deletions
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