linux-kernel - [PATCH v2 0/2] leds: aw2013: Add vddio regulator

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Date:   Mon, 20 Mar 2023 17:50:53 +0000
From:   "Lin, Meng-Bo" <linmengbo0689@...tonmail.com>
To:     linux-kernel@...r.kernel.org
Cc:     Pavel Machek <pavel@....cz>, Lee Jones <lee@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Nikita Travkin <nikita@...n.ru>,
        Stephan Gerhold <stephan@...hold.net>,
        linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht
Subject: [PATCH v2 0/2] leds: aw2013: Add vddio regulator

v2: Rename vdd to vddio and reword

Some LEDs controllers are used with external pull-up for the interrupt
line and the I2C lines, so we might need to enable a regulator to bring
the lines into usable state. Otherwise, this might cause spurious
interrupts and reading from I2C will fail.

Implement support for "vddio-supply" that is enabled by the aw2013 driver
so that the regulator gets enabled when needed.