There are two variants of imx6ul-pico boards: one with 256MB and
another one with 512MB of RAM.

Do not hardcode the memory size in the device tree and let the
bootloader fill the correct value instead.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

On i.MX6SL EVK board, pfuze100 sw4 supplies
LPDDR2 which is critical for system, must be
always on.
Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

On i.MX6SLL EVK board, pfuze100 sw4 supplies
LPDDR3 which is critical for system, must be
always on.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

On i.MX6SX SDB Rev-A board, pfuze100 sw4 supplies
csi, audio codec and i2c etc., these modules do NOT
implement power domain control, so pfuze100 sw4
needs to be always on to make sure these modules
work normally.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

On i.MX6QDL Sabre-SD board, pfuze100 sw4 supplies
GPS, touch and RGMII etc., these modules do NOT
implement power domain control, so pfuze100 sw4
needs to be always on to make sure these modules
work normally.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

On i.MX6SL EVK board, the MX6SL_PAD_KEY_ROW5 pin is
used as lcd 3v3 regulator control pin, need to make
sure MX6SL_PAD_KEY_ROW5 is muxed as GPIO function
for controlling lcd 3v3 regulator.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by; Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

It looks like I made a nasty typo in the original patch which resulted
in missing watchdog device. Fix it.

Cc: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: cphealy@gmail.com
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Instead of relying on default values, configure PAD_AUD3_BB_CK to be a
GPIO explicitly. While at, it change the pad configuration to enable
a 100K pull-down (the pin is used as IRQ_TYPE_LEVEL_HIGH).

Cc: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: cphealy@gmail.com
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

This display configuration isn't working as-is as it depends on the
tfp410 LCD to HDMI bridge. This will need to be updated later once
the DRM MXSFB driver will be the default.
Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

To make use of the new eLCDIF DRM driver OF graph description is
required. Describe the display using OF graph nodes.
Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Adopt the SPDX license identifier headers to ease license compliance
management.
Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

The imx6sl soc has gpu_2d and gpu_vg, no 3d support:

etnaviv-gpu 2200000.gpu: model: GC320, revision: 5007
etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215

The IP blocks seem to be already supported.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Enable SEIKO 43WVF1G lcdif panel for DRM driver,
add necessary properties according to SEIKO 43WVF1G
driver's requirement, such as "dvdd-supply", "avdd-supply"
and "backlight" etc..
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

On i.MX6SLL EVK board, lcd regulator is controlled
by GPIO4 IO03 using MX6SLL_PAD_KEY_ROW5__GPIO4_IO03 pin,
NOT MX6SLL_PAD_ECSPI1_SCLK__GPIO4_IO08, correct it.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Enable pwm1 module on i.MX6SLL EVK board to make
backlight driver really work with LCD panel connected.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Add 'secure-reg-access' property to enable PMU and hardware counters
so that they can be properly used with the 'perf' tool.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Add 'secure-reg-access' property to enable PMU and hardware counters
so that they can be properly used with the 'perf' tool.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Add 'secure-reg-access' property to enable PMU and hardware counters
so that they can be properly used with the 'perf' tool.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
[fabio: kept the change only in imx53-ppd context]
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

The ConnectCore 6UL Single Board Computer (SBC) Express contains the
ConnectCore 6UL System-On-Module.

Its hardware specifications are:

* 256MB DDR3 memory
* 256MB NAND flash
* Single Ethernet
* USB Host and USB-OTG
* MicroSD external storage
* Groove connectors and Raspberry Pi Hat compatible expansion header
Signed-off-by: Alex Gonzalez <alex.gonzalez@digi.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

The ConnectCore 6UL System-On-Module has the following hardware
specification:

* Based on a NXP i.MX6UL SoC
* Industrial temperature ranges (-40ºC to +85ºC)
* Up to 1GB DDR3 memory
* Up to 2GB NAND flash
* Dual Ethernet
* On module 802.11 WiFi and Bluetooth 4.2 (QCA6564)
* On module NXP Kinetis KL03
* On module Microchip ATECC508A crypto element
Signed-off-by: Alex Gonzalez <alex.gonzalez@digi.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

imx51-zii-rdu1 has an external watchdog in the environment
microcontroller, so disable the internal one.

This aligns with what was done in commit 7055f714 ("ARM: dts:
imx6: RDU2: disable internal watchdog") for imx6 rdu2 board.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Add a label for the PMU node so that the board dts may be able to
pass the 'secure-reg-access' property like this:

&pmu {
	secure-reg-access;
};

This also makes it consistent with the PMU node in imx6qdl.dtsi
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

As per the i.MX53 Reference Manual add an entry for the
'tigerp' region in the device tree.

This is needed for accessing the ARM_GPC register to set the
DBGEN bit, so that the debug clocks can be turned on.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

As per the i.MX51 Reference Manual add an entry for the
'tigerp' region in the device tree.

This is needed for accessing the ARM_GPC register to set the
DBGEN bit, so that the debug clocks can be turned on.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Add PMU support in the device tree.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Add bindings for the tigerp module present on i.MX51.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

As per the i.MX51 Reference Manual the M4IF register region
starts at 0x83fd8000 and has a 4kB address range.

Add support for it.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Tested-by: Sergey Lapin <sergey.lapin@cogentembedded.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Add bindings for the M4IF module present on i.MX51.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Add support for the Zodiac Inflight Innovations i.MX51-base SCU3 Ethernet
Switch Board (ESB)

Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: cphealy@gmail.com
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

With old bindings imx_gpc_onecell_data always sets num_domains to 2 so
the DISPMIX domain can't actually be referenced. The pd is still defined
and pm core shuts it down as "unused" so display can't work.

Fix this by converting to new gpc bindings by adding pgc nodes and
referencing the newly-defined &pu_disp domain from &lcdif.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

i.MX6SX has a 16KB always-on ocram bank called
ocram_s, enable it as another mmio sram.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

100/200MHz states for USDHC3 are not required since the SoC
does not support modes faster than DDR52 for the on board eMMC.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

VDDD is connected to VGEN4 of the PF0100. This rail should only
run at 1.8V since there are multiple consumer and they all
expect the rail to be at 1.8V.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Remove the 2.5V regulator, it does not exist. There is 3.3V and
3.3V_AUDIO provided to the module through the edge connector,
model those as fixed regulators like we use to do in other
Colibri device trees. The SGTL5000 uses 3.3V_AUDIO as VDDA. Note
that the driver derives the analog ground voltage (VAG) from this
supply. The new value should allow higher output swings before
clipping occurs. Refer to the SGTL5000 datasheet for details.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

The fixed 1.8V regulator is not used, and there is in fact no
fixed 1.8V regulator on the module. Remove it.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Use the disable-wp to indicate that Apalis and Colibri iMX6 do not
make use of the native write-protect signal available on the i.MX 6
SoCs. This prevents warnings:
  mmc0: host does not support reading read-only switch, assuming write-enable
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Use no-1-8-v device tree property to indicate that the board does
not support 1.8V signaling. The property voltage-ranges seems not
appropriate in our case since we do not have level shifters in
place.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Add the 3.3V main supply on the carrier board. Currently as a fixed
supply since not all consumer are modeled yet. This gets also rid of
some missing supply warnings.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Add Apalis UART1 as default serial console.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Add support for the Zodiac Inflight Innovations SCU2 Mezz
board (i.MX51-based).

Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: cphealy@gmail.com
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Tested-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>