[PATCH 00/37] ARM: dts: Fix fixed regulators enable GPIO polarity

From: Laurent Pinchart
Date: Mon Oct 12 2015 - 17:13:16 EST

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Hello,

While working on regulators, GPIOs and DT I noticed that many of our DT source
files incorrectly describe fixed regulators. The common error patterns are

- Usage of the undefined (and never parsed) enable-active-low property
- Usage of the enable-active-high property without specifying an enable GPIO
- Typos in the enabl GPIO property name (gpios instead of gpio)
- Mismatch between the enable-active-high property (or the lack thereof) and
the enable GPIO flags

This patch series fixes those issues in all the DT sources after locating the
errors using the following script.

------------------------------------------------------------------------------
#!/bin/sh

echo $1
cat $1 | awk '
BEGIN {
open_drain = 0;
active_high = 0;
gpio = 0;
flags = 0;
}

match($0, /([a-zA-Z0-9@_-]*) {/, ary) {
name = ary[1];
}

/compatible.*"regulator-fixed"/ {
found = 1;
}

/enable-active-high/ {
active_high = 1;
}

/gpio-open-drain/ {
open_drain = 1;
}

match($0, /gpio += <.* ([^ ]*)>/, ary) {
gpio = 1;
flags = ary[1];
if (flags == 0)
flags = "GPIO_ACTIVE_HIGH";
}

/}/ {
if (found) {
if (gpio) {
print "\t" name ": active high " active_high " " flags " open drain " open_drain;
if ((active_high && flags == "GPIO_ACTIVE_LOW") ||
(!active_high && flags == "GPIO_ACTIVE_HIGH"))
print "WARNING: enable-active-high and flags do not match"
} else {
if (active_high)
print "WARNING: active high without GPIO"
if (open_drain)
print "WARNING: open drain without GPIO"
}
}

gpio = 0;
found = 0;
active_high = 0;
open_drain = 0;
flags = 0;
}
'
------------------------------------------------------------------------------

All patches except for the ones touching omap3-beagle-xm and omap3-overo-base
are untested as I lack test hardware.

As there's no dependency between the patches touching different source files
the appropriate maintainers could take their share of the patches in their
tree. Alternatively I could send a single pull request after collecting all
acks but that might be more complex.

Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-omap@xxxxxxxxxxxxxxx
Cc: linux-samsung-soc@xxxxxxxxxxxxxxx
Cc: linux-tegra@xxxxxxxxxxxxxxx
Cc: linux-gpio@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: Benoit Cousson <bcousson@xxxxxxxxxxxx>
Cc: Tony Lindgren <tony@xxxxxxxxxxx>
Cc: Jason Cooper <jason@xxxxxxxxxxxxxx>
Cc: Andrew Lunn <andrew@xxxxxxx>
Cc: Gregory Clement <gregory.clement@xxxxxxxxxxxxxxxxxx>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>
Cc: Kukjin Kim <kgene@xxxxxxxxxx>
Cc: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
Cc: Sascha Hauer <kernel@xxxxxxxxxxxxxx>
Cc: Stephen Warren <swarren@xxxxxxxxxxxxx>
Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
Cc: Alexandre Courbot <gnurou@xxxxxxxxx>
Cc: Liam Girdwood <lgirdwood@xxxxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxx>
Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>

Laurent Pinchart (37):
ARM: dts: am437x-gp-evm: Remove unneeded regulator property
ARM: dts: am43xx-epos-evm: Remove unneeded regulator property
ARM: mvebu: Armada 388 GP: Remove unneeded regulator property
ARM: imx6sx-sdb: Fix typo in regulator enable GPIO property
ARM: dts: s5pv210-aquila: Fix typo in regulator enable GPIO property
ARM: dts: s5pv210-goni: Fix typo in regulator enable GPIO property
ARM: dts: omap3-evm: Remove invalid enable-active-low regulator
property
ARM: dts: omap3-sb-t35: Remove invalid enable-active-low regulator
property
ARM: dts: omap3-tao3530: Remove invalid enable-active-low regulator
property
ARM: dts: imx6qdl-tx6: Fix regulator enable GPIO polarity
ARM: dts: dove-cm-a510: Fix regulator enable GPIO polarity
ARM: dts: dove-sbc-a510: Fix regulator enable GPIO polarity
ARM: dts: exynos5250-arndale: Fix regulator enable GPIO polarity
ARM: dts: imx23-evk: Fix regulator enable GPIO polarity
ARM: dts: imx23-stmp378x_devb: Fix regulator enable GPIO polarity
ARM: dts: imx25-pdk: Fix regulator enable GPIO polarity
ARM: dts: imx28-cfa10036: Fix regulator enable GPIO polarity
ARM: dts: imx28-evk: Fix regulator enable GPIO polarity
ARM: dts: imx28-m28cu3: Fix regulator enable GPIO polarity
ARM: dts: imx28-m28evk: Fix regulator enable GPIO polarity
ARM: dts: imx28-sps1: Fix regulator enable GPIO polarity
ARM: dts: imx28-tx28: Fix regulator enable GPIO polarity
ARM: dts: imx53-m53evk: Fix regulator enable GPIO polarity
ARM: dts: imx53-mba53: Fix regulator enable GPIO polarity
ARM: dts: imx53-tx53: Fix regulator enable GPIO polarity
ARM: dts: imx6q-dmo-edmqmx6: Fix regulator enable GPIO polarity
ARM: dts: kirkwood-blackarmor-nas220: Fix regulator enable GPIO
polarity
ARM: dts: omap4-duovero: Fix regulator enable GPIO polarity
ARM: dts: kirkwood-nsa3x0-common: Fix regulator enable GPIO polarity
ARM: dts: omap3-beagle-xm: Fix regulator enable GPIO polarity
ARM: dts: omap3-beagle: Fix regulator enable GPIO polarity
ARM: dts: omap3-overo-base: Fix regulator enable GPIO polarity
ARM: dts: omap3-tao3530: Fix regulator enable GPIO polarity
ARM: dts: tegra20-harmony: Fix regulator enable GPIO polarity
ARM: dts: tegra20-iris-512: Fix regulator enable GPIO polarity
ARM: dts: tegra20-seaboard: Fix regulator enable GPIO polarity
ARM: dts: tegra20-ventana: Fix regulator enable GPIO polarity

arch/arm/boot/dts/am437x-gp-evm.dts | 1 -
arch/arm/boot/dts/am43x-epos-evm.dts | 1 -
arch/arm/boot/dts/armada-388-gp.dts | 2 --
arch/arm/boot/dts/dove-cm-a510.dtsi | 2 +-
arch/arm/boot/dts/dove-sbc-a510.dts | 4 ++--
arch/arm/boot/dts/exynos5250-arndale.dts | 2 +-
arch/arm/boot/dts/imx23-evk.dts | 3 ++-
arch/arm/boot/dts/imx23-stmp378x_devb.dts | 3 ++-
arch/arm/boot/dts/imx25-pdk.dts | 2 +-
arch/arm/boot/dts/imx28-cfa10036.dts | 2 +-
arch/arm/boot/dts/imx28-evk.dts | 4 ++--
arch/arm/boot/dts/imx28-m28cu3.dts | 4 ++--
arch/arm/boot/dts/imx28-m28evk.dts | 6 +++---
arch/arm/boot/dts/imx28-sps1.dts | 2 +-
arch/arm/boot/dts/imx28-tx28.dts | 2 +-
arch/arm/boot/dts/imx53-m53evk.dts | 2 +-
arch/arm/boot/dts/imx53-mba53.dts | 2 +-
arch/arm/boot/dts/imx53-tx53.dtsi | 2 +-
arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts | 2 +-
arch/arm/boot/dts/imx6qdl-tx6.dtsi | 3 +--
arch/arm/boot/dts/imx6sx-sdb.dtsi | 2 +-
arch/arm/boot/dts/kirkwood-blackarmor-nas220.dts | 4 ++--
arch/arm/boot/dts/kirkwood-nsa3x0-common.dtsi | 2 +-
arch/arm/boot/dts/omap3-beagle-xm.dts | 2 +-
arch/arm/boot/dts/omap3-beagle.dts | 2 +-
arch/arm/boot/dts/omap3-evm-common.dtsi | 1 -
arch/arm/boot/dts/omap3-overo-base.dtsi | 4 ++--
arch/arm/boot/dts/omap3-sb-t35.dtsi | 1 -
arch/arm/boot/dts/omap3-tao3530.dtsi | 3 +--
arch/arm/boot/dts/omap4-duovero.dtsi | 2 +-
arch/arm/boot/dts/s5pv210-aquila.dts | 2 +-
arch/arm/boot/dts/s5pv210-goni.dts | 4 ++--
arch/arm/boot/dts/tegra20-harmony.dts | 2 +-
arch/arm/boot/dts/tegra20-iris-512.dts | 2 +-
arch/arm/boot/dts/tegra20-seaboard.dts | 2 +-
arch/arm/boot/dts/tegra20-ventana.dts | 2 +-
36 files changed, 41 insertions(+), 47 deletions(-)

--
Regards,

Laurent Pinchart

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Next message: Williams, Dan J: "Re: [Intel-gfx] [PATCH 09/20] i915: switch from acpi_os_ioremap to memremap"
Previous message: Robert Jarzmik: "Re: [PATCH] pxa: remove incorrect __init annotation on pxa27x_set_pwrmode"
Next in thread: Tony Lindgren: "Re: [PATCH 00/37] ARM: dts: Fix fixed regulators enable GPIO polarity"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]