From: Maxime Ripard <maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>
To: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
Cc: Linus Walleij
<linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-gpio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: Re: [PATCH 0/9] ARM: sun9i: a80: Enable GMAC
Date: Wed, 6 Feb 2019 13:16:54 +0100 [thread overview]
Message-ID: <20190206121654.im6j45g5ihbap44p@flea> (raw)
In-Reply-To: <20190206033239.3619-1-wens-jdAy2FN1RRM@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 705 bytes --]
On Wed, Feb 06, 2019 at 11:32:30AM +0800, Chen-Yu Tsai wrote:
> Hi everyone,
>
> On the Allwinner A80, the PIO pin controller includes configuration
> registers to set the I/O voltage. These must match the actual voltage
> provided externally. A mismatch results in signals not being passed
> through.
>
> With the new PIO pin-bank regulator supply support in place, we can
> tack on support for setting up these registers.
>
> This in turn allows us to enable the GMAC, which runs at a reduced
> 2.5V for RGMII, instead of the standard 3.0V or 3.3V.
>
> Please have a look.
Applied the patches 2-9, thanks!
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
prev parent reply other threads:[~2019-02-06 12:16 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-06 3:32 [PATCH 0/9] ARM: sun9i: a80: Enable GMAC Chen-Yu Tsai
2019-02-06 3:32 ` [PATCH 4/9] ARM: dts: sun9i: cubieboard4: Add GPIO pin-bank regulator supplies Chen-Yu Tsai
[not found] ` <20190206033239.3619-1-wens-jdAy2FN1RRM@public.gmane.org>
2019-02-06 3:32 ` [PATCH 1/9] pinctrl: sunxi: Support I/O bias voltage setting on A80 Chen-Yu Tsai
[not found] ` <20190206033239.3619-2-wens-jdAy2FN1RRM@public.gmane.org>
2019-02-06 8:14 ` Linus Walleij
2019-02-06 10:22 ` [linux-sunxi] " Chen-Yu Tsai
2019-02-06 12:17 ` Maxime Ripard
2019-02-11 8:20 ` Linus Walleij
2019-02-13 11:31 ` Chen-Yu Tsai
2019-02-06 3:32 ` [PATCH 2/9] ARM: dts: sun9i: a80-optimus: Add node for AXP809's unused dc1sw regulator Chen-Yu Tsai
2019-02-06 3:32 ` [PATCH 3/9] ARM: dts: sun9i: a80-optimus: Add GPIO pin-bank regulator supplies Chen-Yu Tsai
2019-02-06 3:32 ` [PATCH 5/9] ARM: dts: sun9i: Add GMAC clock node Chen-Yu Tsai
2019-02-06 3:32 ` [PATCH 6/9] ARM: dts: sun9i: Add A80 GMAC gigabit ethernet controller node Chen-Yu Tsai
2019-02-06 3:32 ` [PATCH 7/9] ARM: dts: sun9i: Add A80 GMAC RGMII pinmux setting Chen-Yu Tsai
2019-02-06 3:32 ` [PATCH 8/9] ARM: dts: sun9i: a80-optimus: Enable GMAC Chen-Yu Tsai
2019-02-06 3:32 ` [PATCH 9/9] ARM: dts: sun9i: cubieboard4: " Chen-Yu Tsai
2019-02-06 12:16 ` Maxime Ripard [this message]
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