This is a note to let you know that I've just added the patch titled
ARM: dts: Fix omap3 off mode pull defines
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm-dts-fix-omap3-off-mode-pull-defines.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Sun Nov 19 12:02:55 CET 2017
From: Tony Lindgren <tony@xxxxxxxxxxx>
Date: Thu, 5 Jan 2017 11:07:18 -0800
Subject: ARM: dts: Fix omap3 off mode pull defines
From: Tony Lindgren <tony@xxxxxxxxxxx>
[ Upstream commit d97556c8012015901a3ce77f46960078139cd79d ]
We need to also have OFFPULLUDENABLE bit set to use the off mode pull values.
Otherwise the line is pulled down internally if no external pull exists.
This is has some documentation at:
http://processors.wiki.ti.com/index.php/Optimizing_OMAP35x_and_AM/DM37x_OFF_mode_PAD_configuration
Note that the value is still glitchy during off mode transitions as documented
in spz319f.pdf "Advisory 1.45". It's best to use external pulls instead of
relying on the internal ones for off mode and even then anything pulled up
will get driven down momentarily on off mode restore for GPIO banks other
than bank1.
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
include/dt-bindings/pinctrl/omap.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/include/dt-bindings/pinctrl/omap.h
+++ b/include/dt-bindings/pinctrl/omap.h
@@ -45,8 +45,8 @@
#define PIN_OFF_NONE 0
#define PIN_OFF_OUTPUT_HIGH (OFF_EN | OFFOUT_EN | OFFOUT_VAL)
#define PIN_OFF_OUTPUT_LOW (OFF_EN | OFFOUT_EN)
-#define PIN_OFF_INPUT_PULLUP (OFF_EN | OFF_PULL_EN | OFF_PULL_UP)
-#define PIN_OFF_INPUT_PULLDOWN (OFF_EN | OFF_PULL_EN)
+#define PIN_OFF_INPUT_PULLUP (OFF_EN | OFFOUT_EN | OFF_PULL_EN | OFF_PULL_UP)
+#define PIN_OFF_INPUT_PULLDOWN (OFF_EN | OFFOUT_EN | OFF_PULL_EN)
#define PIN_OFF_WAKEUPENABLE WAKEUP_EN
/*
Patches currently in stable-queue which might be from tony@xxxxxxxxxxx are
queue-4.4/arm-dts-fix-omap3-off-mode-pull-defines.patch
queue-4.4/arm-dts-fix-compatible-for-ti81xx-uarts-for-8250.patch
queue-4.4/arm-omap2-fix-init-for-multiple-quirks-for-the-same-soc.patch
queue-4.4/arm-dts-fix-am335x-and-dm814x-scm-syscon-to-probe-children.patch