From: plaes@plaes•org (Priit Laes)
To: linux-arm-kernel@lists•infradead.org
Subject: [linux-sunxi] [PATCH 0/8] mfd/power/phy: Add support for otg vbus detection via axp pmic
Date: Wed, 10 Jun 2015 09:15:46 +0300 [thread overview]
Message-ID: <1433916946.6086.9.camel@plaes.org> (raw)
In-Reply-To: <1433885881-19809-1-git-send-email-hdegoede@redhat.com>
On Tue, 2015-06-09 at 23:37 +0200, Hans de Goede wrote:
> Hi All,
>
> Here is a series which adds the beginning of power-supply support to
> the axp20x pmic code. My primary reason for working on this is to
> enable the use of the usb power-supply bits in the pmic to for vbus
> detection on boards which do not have a vbus-det gpio, and instead
> rely on the pmic for vbus detection.
>
> After I had written most of the vbus power-supply driver code I
> became aware of Bruno Pr?mont's (in the CC) previous work on this
> our drivers are mostly the same, and I've borrowed some code from
> his driver to add support for min-volt / max-curr properties.
This is one of the reasons why we try to keep our Mainlining Effort
page up-to-date:
http://linux-sunxi.org/Linux_mainlining_effort
>
> The big difference between our 2 drivers is that mine driver uses
> a devicetree child node / mfd cell per power-supply, so one for
> each of the usb-power, ac-power / battery-charger and rtc-backup-bat
> -charger
> bits.
>
> Depending on the board each of those must be enabled / disabled
> separately
> in devicetree as most boards do not use all 4. So in dt each one
> needs its
> own child-node of the axp20x node. Another reason for using separate
> child
> nodes for each is so that other devicetree nodes can have a power
> -supply
> property with a phandle referencing a node representing a single
> power-supply.
>
> Regards,
>
> Hans
>
prev parent reply other threads:[~2015-06-10 6:15 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-09 21:37 [PATCH 0/8] mfd/power/phy: Add support for otg vbus detection via axp pmic Hans de Goede
2015-06-09 21:37 ` [PATCH 1/8] mfd: axp20x: Add missing registers, and mark more registers volatile Hans de Goede
2015-06-10 7:36 ` Lee Jones
2015-06-09 21:37 ` [PATCH 2/8] mfd: axp20x: Add a cell for the usb power_supply part of the axp20x PMICs Hans de Goede
2015-06-10 1:19 ` [linux-sunxi] " Chen-Yu Tsai
2015-06-10 7:57 ` Hans de Goede
2015-06-13 13:50 ` Maxime Ripard
2015-06-24 12:18 ` Michal Suchanek
2015-06-10 7:35 ` Lee Jones
2015-06-10 7:36 ` Lee Jones
2015-06-09 21:37 ` [PATCH 3/8] power: Add devm_power_supply_get_by_phandle() helper function Hans de Goede
2015-06-10 14:49 ` Sebastian Reichel
2015-06-09 21:37 ` [PATCH 4/8] power: Add an axp20x-usb-power driver Hans de Goede
2015-06-10 7:29 ` Lee Jones
2015-06-10 9:22 ` Hans de Goede
2015-06-10 9:34 ` Lee Jones
2015-06-09 21:37 ` [PATCH 5/8] phy-sun4i-usb: Add support for monitoring vbus via a power-supply Hans de Goede
2015-06-09 21:37 ` [PATCH 6/8] ARM: dts: axp209: Add usb_power_supply child node to the ax209 node Hans de Goede
2015-07-31 5:31 ` [linux-sunxi] " Chen-Yu Tsai
2015-07-31 5:51 ` Bruno Prémont
2015-07-31 6:14 ` Chen-Yu Tsai
2015-07-31 6:35 ` Bruno Prémont
2015-07-31 7:57 ` Maxime Ripard
2015-07-31 8:31 ` Hans de Goede
2015-07-31 9:00 ` Chen-Yu Tsai
2015-07-31 9:11 ` Hans de Goede
2015-07-31 10:06 ` Chen-Yu Tsai
2015-07-31 9:14 ` Hans de Goede
2015-06-09 21:38 ` [PATCH 7/8] ARM: dts: sun7i: Add regulator configuration to the bananapi dts file Hans de Goede
2015-06-09 21:38 ` [PATCH 8/8] ARM: dts: sun7i: Enable USB DRC on Bananapi Hans de Goede
2015-06-10 6:15 ` Priit Laes [this message]
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