Commit Graph

11 Commits

Author SHA1 Message Date
Krzysztof Kozlowski
8fc8e8129e ARM: dts: imx6dl: add compatibles for Aristainetos boards
The Aristainetos and Aristainetos2 boards have only SoC compatible.

Cc: Heiko Schocher <hs@denx.de>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30 14:50:09 +08:00
Fabio Estevam
2bfdd113d0 ARM: dts: imx: Fix the SPI chipselect polarity
The conversion of the spi-imx driver to use GPIO descriptors
in commit 8cdcd8aeee ("spi: imx/fsl-lpspi: Convert to GPIO descriptors")
helped to detect the following SPI chipselect polarity mismatch on an
imx6q-sabresd:

[    4.854337] m25p80@0 enforce active low on chipselect handle

Prior to the above commit, the chipselect polarity passed via cs-gpios
property was ignored and considered active-low.

The reason for such mismatch is clearly explained in the comments inside
drivers/gpio/gpiolib-of.c:

 * SPI children have active low chip selects
 * by default. This can be specified negatively
 * by just omitting "spi-cs-high" in the
 * device node, or actively by tagging on
 * GPIO_ACTIVE_LOW as flag in the device
 * tree. If the line is simultaneously
 * tagged as active low in the device tree
 * and has the "spi-cs-high" set, we get a
 * conflict and the "spi-cs-high" flag will
 * take precedence.

To properly represent the SPI chipselect polarity, change it to active-low
when the "spi-cs-high" property is absent.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-08-30 09:37:20 +08:00
Uwe Kleine-König
fa28d8212e ARM: dts: imx: default to #pwm-cells = <3> in the SoC dtsi files
The imx-pwm driver supports 3 cells and this is the more flexible setting.
So use it by default and overwrite it back to two for the files that
reference the PWMs with just 2 cells to minimize changes.

This allows to drop explicit setting to 3 cells for the boards that already
depend on this. The boards that are now using 2 cells explicitly can be
converted to 3 individually.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-07-13 19:48:53 +08:00
Thomas Gleixner
d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:55 +02:00
Marco Franchi
404c0c9314 ARM: dts: imx6qdl: Fix memory node duplication
Boards based on imx6qdl have duplicate memory nodes:
- One coming from the board device tree file: memory@
- One coming from the imx6qdl.dtsi file.

Fix the duplication by removing the memory node from
the imx6qdl.dtsi file and by adding 'device_type = "memory";'
in the board Device Tree.

Converted using the following command:
perl -p0777i -e 's/memory\@10000000 \{\n/memory\@10000000 \{\n\t\tdevice_type = \"memory\";\n/m' `find ./arch/arm/boot/dts -name "imx6*"``

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marco Franchi <marco.franchi@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2018-12-10 10:03:07 +08:00
Marco Franchi
ad00e080eb ARM: dts: imx: Add memory node unit name
Fix the following warnings from dtc by adding the unit name to memory
nodes:

Warning (unit_address_vs_reg): Node /memory has a reg or ranges property, but no unit name

Converted using the following command:

perl -p0777i -e 's/memory \{\n\t\treg = \<0x+([0-9a-f])/memory\@$1$\0000000 \{\n\t\treg = <0x$1/m' `find ./arch/arm/boot/dts -name "imx*"`

The files below were manually fixed:
-imx1-ads.dts
-imx1-apf9328.dts
-imx6q-pistachio.dts

Signed-off-by: Marco Franchi <marco.franchi@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2018-02-12 21:13:14 +08:00
Fabio Estevam
8bc361ba0b ARM: dts: imx6qdl-aristainetos: Move display node out of 'soc'
Move disp0 node from soc node to root node.

disp0 node does not have any register properties and thus
shouldn't be placed on the bus.

This fixes the following build warnings with W=1:

arch/arm/boot/dts/imx6dl-aristainetos_4.dtb: Warning (simple_bus_reg): Node /soc/disp0 missing or empty reg/ranges property

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Tested-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-12-26 16:15:44 +08:00
Marco Franchi
792d4edda0 ARM: dts: imx: Fix incorrect display nodes notation
The following build warnings are seen with W=1:

Warning (unit_address_vs_reg): Node /display@di0 has a unit name, but no reg property
Warning (unit_address_vs_reg): Node /display@di1 has a unit name, but no reg property

Fix all these warnings by changing 'display@diX' to 'dispX'.

Signed-off-by: Marco Franchi <marco.franchi@nxp.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-10-13 15:58:24 +08:00
Vladimir Zapolskiy
00eb3630a9 ARM: dts: imx: remove obsoleted property fsl,spi-num-chipselects
Since commit b36581df7e ("spi: imx: Using existing properties for
chipselects") the device tree property 'fsl,spi-num-chipselects' is
unused and it is already marked as obsolete in device tree binding
documentation. Remove the property from the existing DTS files to
avoid its reoccurence on copying.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-01-02 17:35:18 +08:00
Philipp Zabel
22c765b921 ARM: dts: imx6dl-aristainetos: enable backlight PWM explicitly
All PWM users should explicitly enable the used PWMs in their device tree
so they can be disabled by default in imx6qdl.dtsi.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2015-03-30 16:43:33 +08:00
Heiko Schocher
c64b874f0e ARM: dts: imx6: add aristainetos board support
This patch add support for the imx6dl based aristainetos board
with following configuration:

CPU:   Freescale i.MX6DL rev1.1 at 792 MHz
DRAM:  1 GiB
NAND:  512 MiB
MMC:   FSL_SDHC: 0, FSL_SDHC: 1
SF: Detected N25Q128 with page size 256 Bytes, erase size 64 KiB, total 16 MiB

As this board can used with 2 different display types, the
differences between them are extracted into 2 DTS files, and
the common settings are collected in a common file.

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
2014-07-18 16:49:38 +08:00