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From: Tony Lindgren <tony@atomide.com>
To: Drew Fustini <drew@pdp7.com>
Cc: "Benoît Cousson" <bcousson@baylibre.com>,
	"Rob Herring" <robh+dt@kernel.org>,
	linux-omap@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ARM: dts: am335x-pocketbeagle: switch to pinconf-single
Date: Wed, 6 Oct 2021 10:29:18 +0300	[thread overview]
Message-ID: <YV1QTrMHRX1VGgaP@atomide.com> (raw)
In-Reply-To: <20210825202516.1384510-1-drew@pdp7.com>

* Drew Fustini <drew@pdp7.com> [210826 01:20]:
> Switch the compatible for the am33xx_pinmux pin controller node from
> pinctrl-single to pinconf-single. The only change between these two
> compatibles is that PCS_HAS_PINCONF will be true. This then allows
> pinconf properties to be utilized.
> 
> The purpose of this change is to allow the PocketBeagle to use:
> 
>   pinctrl-single,bias-pullup
>   pinctrl-single,bias-pulldown
> 
> This dts already defines these properites for gpio pins in the default
> pinctrl state but it has no effect unless PCS_HAS_PINCONF is set.
> 
> The bias properties can then be modified on the corresponding gpio lines
> through the gpiod uapi. The mapping between the pins and gpio lines is
> defined by gpio-ranges under the gpio controller nodes in am33xx-l4.dtsi

Thanks applying into omap-for-v5.16/dt.

Tony

      reply	other threads:[~2021-10-06  7:29 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-25 20:25 [PATCH] ARM: dts: am335x-pocketbeagle: switch to pinconf-single Drew Fustini
2021-10-06  7:29 ` Tony Lindgren [this message]

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