linux-kernel - Re: [PATCH v2 2/5] pinctrl: pinconf-generic: Add API for pinmux propertity in DTS file

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Message-ID: <CACRpkdYrUDK9RsJ0VzksUNAyZ=grdQLAkMN1_BjeqQumY8bjSw@mail.gmail.com>
Date: Tue, 7 Jan 2025 16:18:18 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: xianwei.zhao@...ogic.com
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Neil Armstrong <neil.armstrong@...aro.org>, 
	Kevin Hilman <khilman@...libre.com>, Jerome Brunet <jbrunet@...libre.com>, 
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>, Bartosz Golaszewski <brgl@...ev.pl>, 
	linux-gpio@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-amlogic@...ts.infradead.org
Subject: Re: [PATCH v2 2/5] pinctrl: pinconf-generic: Add API for pinmux
 propertity in DTS file

On Thu, Dec 26, 2024 at 8:57 AM Xianwei Zhao via B4 Relay
<devnull+xianwei.zhao.amlogic.com@...nel.org> wrote:

> From: Xianwei Zhao <xianwei.zhao@...ogic.com>
>
> When describing pin mux func through pinmux propertity,
> a standard API is added for support. The pinmux contains pin
> identification and mux values, which can include multiple
> pins. And groups configuration use other word. DTS such as:
>
> func-name {
>         group_alias: group-name{
>                 pinmux= <pin_id << 8 | mux_value)>,
>                         <pin_id << 8 | mux_value)>;
>                 bias-pull-up;
>                 drive-strength-microamp = <4000>;
>         };
> };
>
> Signed-off-by: Xianwei Zhao <xianwei.zhao@...ogic.com>

There are some build errors, but I really like the path taken with
the utility function here!

Yours,
Linus Walleij