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From: Kevin Hilman <khilman@baylibre.com>
To: Guillaume La Roque <glaroque@baylibre.com>,
	linus.walleij@linaro.org, robh+dt@kernel.org,
	mark.rutland@arm.com
Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
	linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/4] dt-bindings: pinctrl: add a 'drive-strength-uA' property
Date: Mon, 29 Apr 2019 12:19:48 -0700	[thread overview]
Message-ID: <7hk1fcr54b.fsf@baylibre.com> (raw)
In-Reply-To: <20190418124758.24022-2-glaroque@baylibre.com>

Rob,

Guillaume La Roque <glaroque@baylibre.com> writes:

> This property allow drive-strength parameter in uA instead of mA.
>
> Signed-off-by: Guillaume La Roque <glaroque@baylibre.com>
> ---
>  Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
> index cef2b5855d60..fc7018459aa2 100644
> --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
> +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
> @@ -258,6 +258,7 @@ drive-push-pull		- drive actively high and low
>  drive-open-drain	- drive with open drain
>  drive-open-source	- drive with open source
>  drive-strength		- sink or source at most X mA
> +drive-strength-uA	- sink or source at most X uA
>  input-enable		- enable input on pin (no effect on output, such as
>  			  enabling an input buffer)
>  input-disable		- disable input on pin (no effect on output, such as
> @@ -326,6 +327,8 @@ arguments are described below.
>  
>  - drive-strength takes as argument the target strength in mA.
>  
> +- drive-strength-uA takes as argument the target strength in uA.
> +
>  - input-debounce takes the debounce time in usec as argument
>    or 0 to disable debouncing

Can we get your input on this?

Linus W. is OK with this[1], but wants opinion/approval from DT
maintainers first.

Thanks,

Kevin

[1] https://lore.kernel.org/lkml/CACRpkdZ2dPzrtJQkxmN7V=f6+qYZAvrF+b0J77cN9hoRAgFqrw@mail.gmail.com/T/#u

  parent reply	other threads:[~2019-04-29 19:20 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-18 12:47 [PATCH v2 0/4] Add drive-strength in Meson pinctrl driver Guillaume La Roque
2019-04-18 12:47 ` [PATCH v2 1/4] dt-bindings: pinctrl: add a 'drive-strength-uA' property Guillaume La Roque
2019-04-23 11:13   ` Linus Walleij
2019-04-27 19:19   ` Martin Blumenstingl
2019-04-29 19:19   ` Kevin Hilman [this message]
2019-04-30 15:12   ` Rob Herring
2019-04-30 15:24     ` guillaume La Roque
2019-04-18 12:47 ` [PATCH v2 2/4] pinctrl: generic: add new 'drive-strength-uA' property support Guillaume La Roque
2019-04-18 12:47 ` [PATCH v2 3/4] dt-bindings: pinctrl: meson: Add drive-strength-uA property Guillaume La Roque
2019-04-27 19:21   ` Martin Blumenstingl
2019-04-30  6:38     ` guillaume La Roque
2019-04-18 12:47 ` [PATCH v2 4/4] pinctrl: meson: add support of drive-strength-uA Guillaume La Roque
2019-04-27 19:44   ` Martin Blumenstingl
2019-04-30  7:20     ` guillaume La Roque
2019-04-30 20:28       ` Martin Blumenstingl
2019-05-06 13:16         ` guillaume La Roque
2019-04-23 11:13 ` [PATCH v2 0/4] Add drive-strength in Meson pinctrl driver Linus Walleij
2019-04-27 19:46   ` Martin Blumenstingl

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