linux-kernel - Re: [PATCH v1 1/2] arm64: dts: mediatek: mt7622: Add missing pwm-cells to pwm node

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Message-ID: <20230117213919.56cl74ffxzdpdcgp@pengutronix.de>
Date:   Tue, 17 Jan 2023 22:39:19 +0100
From:   Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        thierry.reding@...il.com, krzysztof.kozlowski+dt@...aro.org
Cc:     robh+dt@...nel.org, matthias.bgg@...il.com, john@...ozen.org,
        sean.wang@...iatek.com, linux-pwm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v1 1/2] arm64: dts: mediatek: mt7622: Add missing
 pwm-cells to pwm node

Hello,

On Fri, Dec 02, 2022 at 07:09:32PM +0100, Uwe Kleine-König wrote:
> On Mon, Nov 28, 2022 at 12:20:27PM +0100, AngeloGioacchino Del Regno wrote:
> > Specify #pwm-cells on pwm@...06000 to make it actually usable.
> > 
> > Fixes: ae457b7679c4 ("arm64: dts: mt7622: add SoC and peripheral related device nodes")
> > Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> > ---
> >  arch/arm64/boot/dts/mediatek/mt7622.dtsi | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
> > index 146e18b5b1f4..f321c6d0fd7c 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
> > @@ -435,6 +435,7 @@ uart3: serial@...05000 {
> >  	pwm: pwm@...06000 {
> >  		compatible = "mediatek,mt7622-pwm";
> >  		reg = <0 0x11006000 0 0x1000>;
> > +		#pwm-cells = <2>;
> 
> 3 should be possible, too. The driver does only support one
> polarity, so it's not really needed, but would be nice for consistency?
> 
> Thierry, what's your take here?
> 
> Other than that: Who would pick this up, I assume it to go via an ARM
> tree together with the 2nd patch in this series?

The questions here are still open and both patches unapplied. :-\

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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