linux-kernel - [PATCH v4 0/2] Make AUX gpio pin optional for ktd2692

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Date:   Fri,  8 Apr 2022 19:33:26 +0300
From:   Markuss Broks <markuss.broks@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht,
        Markuss Broks <markuss.broks@...il.com>,
        Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-leds@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH v4 0/2] Make AUX gpio pin optional for ktd2692

Some appliances of ktd2692 don't have the AUX pin connected to
a GPIO. Specifically, Samsung Galaxy J5 (2015), which uses ktd2692
for driving the front flash LED, has the pin not connected anywhere on
schematics. Make specifying the AUX pin optional, since it is additional
functionality and only affects amount of current going through the LED.

Also convert the txt device-tree bindings to yaml and pick up maintenance
over the yaml binding and the driver itself.

v2:
- fix the dt_binding_check
v3:
- set the aux_gpio to NULL to avoid passing ERR_PTR as a gpio
v4:
- maintainership -> maintenance (description)
- remove the if (led->aux_gpio)
- use devm_gpiod_get_optional for aux gpio

Markuss Broks (2):
  dt-bindings: leds: convert ktd2692 bindings to yaml
  leds: ktd2692: Make aux-gpios optional

 .../bindings/leds/kinetic,ktd2692.yaml        | 87 +++++++++++++++++++
 .../devicetree/bindings/leds/leds-ktd2692.txt | 50 -----------
 MAINTAINERS                                   |  6 ++
 drivers/leds/flash/leds-ktd2692.c             | 18 ++--
 4 files changed, 103 insertions(+), 58 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/leds/kinetic,ktd2692.yaml
 delete mode 100644 Documentation/devicetree/bindings/leds/leds-ktd2692.txt

-- 
2.35.1