linux-kernel - Re: [PATCH v7 3/4] dt-bindings: pinctrl: mt8195: add wrapping node of pin configurations

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Date:   Wed, 22 Dec 2021 13:50:15 -0400
From:   Rob Herring <robh@...nel.org>
To:     Tinghan Shen <tinghan.shen@...iatek.com>
Cc:     broonie@...nel.org, sean.wang@...iatek.com,
        linux-gpio@...r.kernel.org, linux-spi@...r.kernel.org,
        matthias.bgg@...il.com, devicetree@...r.kernel.org,
        bgolaszewski@...libre.com, linux-mediatek@...ts.infradead.org,
        bayi.cheng@...iatek.com, linux-arm-kernel@...ts.infradead.org,
        linus.walleij@...aro.org, gch981213@...il.com,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        robh+dt@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 3/4] dt-bindings: pinctrl: mt8195: add wrapping node
 of pin configurations

On Mon, 20 Dec 2021 20:18:24 +0800, Tinghan Shen wrote:
> On mt8195, the pinctrl node has pinctrl groups to group pin
> configurations by users' need. In each pinctrl group, it has
> subnode(s) to list pins needed and pin configurations. By supporting
> multiple subnodes, we can configure different pin characteristics
> (driving/pull-up/pull-down/etc.) in a pinctrl group.
> 
> Update pinctrl-mt8195.yaml to add subnode in pinctrl groups and an
> example to illustrate the usage.
> 
> Signed-off-by: Tinghan Shen <tinghan.shen@...iatek.com>
> ---
>  .../bindings/pinctrl/pinctrl-mt8195.yaml      | 338 ++++++++++--------
>  1 file changed, 188 insertions(+), 150 deletions(-)
> 

Reviewed-by: Rob Herring <robh@...nel.org>