linux-kernel - Re: [PATCH 10/10] pinctrl: Add AXP192 pin control driver

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Date:   Wed, 15 Jun 2022 20:06:49 +0200
From:   Michael Walle <michael@...le.cc>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Aidan MacDonald <aidanmacdonald.0x0@...il.com>
CC:     brgl@...ev.pl, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, wens@...e.org, jic23@...nel.org,
        lee.jones@...aro.org, sre@...nel.org, broonie@...nel.org,
        gregkh@...uxfoundation.org, lgirdwood@...il.com, lars@...afoo.de,
        rafael@...nel.org, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-iio@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 10/10] pinctrl: Add AXP192 pin control driver

Am 15. Juni 2022 15:44:04 OEZ schrieb Linus Walleij <linus.walleij@...aro.org>:
>On Fri, Jun 3, 2022 at 3:56 PM Aidan MacDonald
><aidanmacdonald.0x0@...il.com> wrote:
>
>> The AXP192 PMIC's GPIO registers are much different from the GPIO
>> registers of the AXP20x and AXP813 PMICs supported by the existing
>> pinctrl-axp209 driver. It makes more sense to add a new driver for
>> the AXP192, rather than add support in the existing axp20x driver.
>>
>> The pinctrl-axp192 driver is considerably more flexible in terms of
>> register layout and should be able to support other X-Powers PMICs.
>> Interrupts and pull down resistor configuration are supported too.
>>
>> Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@...il.com>
>
>Looks good to me (TM) but I'd like Michael Walle to take a look
>to check if this is one of those drivers that could make use of
>gpio-regmap.c CONFIG_GPIO_REGMAP to make it even
>simpler.
>
>Yours,
>Linus Walleij

FWIW, I can look at it at the end of next week. I'm on vacation.

-michael