From: Samuel Holland <samuel@sholland.org>
To: wens@csie.org
Cc: Lee Jones <lee.jones@linaro.org>,
Linus Walleij <linus.walleij@linaro.org>,
"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
devicetree <devicetree@vger.kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Bartosz Golaszewski <brgl@bgdev.pl>,
linux-kernel <linux-kernel@vger.kernel.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
linux-sunxi@lists.linux.dev
Subject: Re: [PATCH v2 4/4] ARM: dts: axp22x/axp809: Add GPIO controller nodes
Date: Thu, 15 Sep 2022 23:16:47 -0500 [thread overview]
Message-ID: <4358760c-92b1-f77e-9bed-42e647afbc3e@sholland.org> (raw)
In-Reply-To: <CAGb2v64Mrn88+w5kCbMn7Z23-UdyrTG-Q2cboPswMj=9z4HgrQ@mail.gmail.com>
On 6/26/22 08:03, Chen-Yu Tsai wrote:
> On Tue, Jun 21, 2022 at 11:42 AM Samuel Holland <samuel@sholland.org> wrote:
>>
>> These PMICs all contain a GPIO controller. Now that the binding is
>> documented, wire up the controller in the device tree.
>>
>> Signed-off-by: Samuel Holland <samuel@sholland.org>
>> ---
>>
>> (no changes since v1)
>>
>> arch/arm/boot/dts/axp22x.dtsi | 18 ++++++++++++++++++
>> arch/arm/boot/dts/axp809.dtsi | 19 +++++++++++++++++++
>> 2 files changed, 37 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/axp22x.dtsi b/arch/arm/boot/dts/axp22x.dtsi
>> index a020c12b2884..5c233c84be92 100644
>> --- a/arch/arm/boot/dts/axp22x.dtsi
>> +++ b/arch/arm/boot/dts/axp22x.dtsi
>> @@ -67,6 +67,24 @@ battery_power_supply: battery-power {
>> status = "disabled";
>> };
>>
>> + axp_gpio: gpio {
>> + compatible = "x-powers,axp221-gpio";
>> + gpio-controller;
>> + #gpio-cells = <2>;
>> +
>> + /omit-if-no-ref/
>> + gpio0_ldo: gpio0-ldo-pin {
>> + pins = "GPIO0";
>> + function = "ldo";
>> + };
>> +
>> + /omit-if-no-ref/
>> + gpio1_ldo: gpio1-ldo-pin {
>> + pins = "GPIO1";
>> + function = "ldo";
>> + };
>> + };
>> +
>
> We have
>
> reg_ldo_io0: ldo-io0 {
> pinctrl-names = "default";
> pinctrl-0 = <&gpio0_ldo>;
> /* Disable by default to avoid conflicts with GPIO */
> ...
> }
>
> in axp81x.dtsi . Should we add it here and for axp803.dtsi as well?
Actually, I don't think these pinctrl nodes should exist at all. The
regulator already sets the pinmux, because that is the only way to turn
the regulator on/off. So I think we should leave it alone here.
Regards,
Samuel
> Otherwise,
>
> Reviewed-by: Chen-Yu Tsai <wens@csie.org>
prev parent reply other threads:[~2022-09-16 4:16 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-21 3:42 [PATCH v2 0/4] AXP221/AXP223/AXP809 GPIO support Samuel Holland
2022-06-21 3:42 ` [PATCH v2 1/4] dt-bindings: gpio: Add AXP221/AXP223/AXP809 compatibles Samuel Holland
2022-06-24 15:44 ` Krzysztof Kozlowski
2022-06-26 12:56 ` Chen-Yu Tsai
2022-06-30 12:05 ` Linus Walleij
2022-06-21 3:42 ` [PATCH v2 2/4] mfd: axp20x: Add AXP221/AXP223/AXP809 GPIO cells Samuel Holland
2022-06-26 12:59 ` Chen-Yu Tsai
2022-06-28 14:03 ` Linus Walleij
2022-06-29 2:26 ` Samuel Holland
2022-06-29 9:19 ` Lee Jones
2022-06-30 12:03 ` Linus Walleij
2022-06-21 3:42 ` [PATCH v2 3/4] pinctrl: axp209: Support the AXP221/AXP223/AXP809 variant Samuel Holland
2022-06-26 12:54 ` Chen-Yu Tsai
2022-06-30 12:06 ` Linus Walleij
2022-06-21 3:42 ` [PATCH v2 4/4] ARM: dts: axp22x/axp809: Add GPIO controller nodes Samuel Holland
2022-06-26 13:03 ` Chen-Yu Tsai
2022-09-16 4:16 ` Samuel Holland [this message]
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