Replace GPL v2.0 license statements with SPDX license identifiers.
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>

Fix dtc warnings for 'simple_bus_reg' due to leading 0s. Converted using
the following command:

perl -p -i -e 's/\@0+([0-9a-f])/\@$1/g' `find arch/arm/boot/dts -type -f -name '*.dts*'

Dropped changes to ARM, Ltd. boards LED nodes and manually fixed up some
occurrences of uppercase hex.
Signed-off-by: NRob Herring <robh@kernel.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Odroid HC1 board is based on Odroid XU4 board, but it has no HDMI,
no eMMC, no built-in USB3.0 hub, no extension port pins, and no GPIO
button. USB3.0 ports are used for built-in JMicron USB to SATA bridge
and Gigabit R8152 ethernet chips. HC1 uses only passive cooling.
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>

Audio subsystem clocks configuration is a part of audio block,
so there it should be moved to exynos5422-odroidxu3-audio.dtsi
to avoid it on Odroid XU4, which has no audio codec.
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>

HDMI support requires some additional off-SoC logic, so Mixer device (part
of HDMI display path) should be disabled by default in SoC dtsi and enabled
then in each board dts. This patch unifies Mixer handling with other
Exynos SoCs.
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>

Commit 2b768132 ("drm/exynos: hdmi: remove the i2c drivers and use")
merged to v3.15 kernel added a required 'ddc' property to Exynos HDMI
device tree bindings, which should point to i2c bus used for handling DDC
(mainly reading display's EDID information). It has been enough time to
convert all boards to use new bindings, but sadly due to copy/paste design
the old approach using separate node with 'samsung,exynos4210-hdmiddc'
compatible was used also for many new boards. This patch finally converts
all boards to the new approach and unifies HDMI DDC definition across all
Exynos boards.
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>

The power button (SW2) on Odroid XU3/4 is connected to the PWRON pin
of the S2MPS11 PMIC.

The S2MPS11 datasheet says that ONOB pin operates as 'PWRON key active
low signal'. In fact, S2MPS11 PMIC acts as a 16ms debouce filter and
signal inverter, thus effectively repeating PWRON (active high) to ONOB
pin (active low).

ONOB PMIC pin is then connected to XEINT3 SoC pin, so we get the state
of the power button on the gpx0-3 GPIO.

This patch adds device-tree bindings for the power button of Odroid
XU3/4 boards.
Signed-off-by: NBrian Kim <brian.kim@hardkernel.com>
[mszyprow: extended commit message, added comments and fixed minor
 issues in the dts]
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: NAnand Moon <linux.amoon@gmail.com>
Tested-by: NAnand Moon <linux.amoon@gmail.com>
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>

Odroid XU3/4 boards have thermal sensors per 4 pairs of A7+A15
cores but currently there is only one thermal-zone (including
cooling maps) defined (for the first pair of cores - the first
core of the A7 cluster and the first core of A15 cluster) so
i.e. if the task is running on any of A15 cores but the first
one, such core can reach high temperature without any proper
cooling action.

Fix it by adding missing thermal-zones definitions.

Also while at it fix the number of steps in cpufreq cooling for
cpu4 (11 steps for A15 corresponds to 700MHz, for 600MHz 12 steps
should be used).
Signed-off-by: NWilly Wolff <willy.mh.wolff@gmail.com>
[b.zolnierkie: rewrote patch subject & description + minor fixups]
Signed-off-by: NBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>

CEC support was added for Exynos5 in 4.13, but for the Odroids we need to set
'needs-hpd' as well since CEC is disabled when there is no HDMI hotplug signal,
just as for the exynos4 Odroid-U3.

This is due to the level-shifter that is disabled when there is no HPD, thus
blocking the CEC signal as well. Same close-but-no-cigar board design as the
Odroid-U3.

Tested with my Odroid XU4.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Exynos5250 and Exynos542x SoCs have the same CEC hardware module as
Exynos4 SoC series, so enable support for it using the same compatible
string.

Tested on Odroid XU3 (Exynos5422) and Google Snow (Exynos5250) boards.
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>

During my research I found that some of the requirements for the memory
buffers for MFC v6+ devices were blindly copied from the previous (v5)
version and simply turned out to be excessive. The relaxed requirements
are applied by the recent patches to the MFC driver and the driver is
now fully functional even without the reserved memory blocks for all
v6+ variants. This patch removes those reserved memory nodes from all
boards having MFC v6+ hardware block.
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Tested-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Acked-by: NAndrzej Hajda <a.hajda@samsung.com>
Tested-by: NSmitha T Murthy <smitha.t@samsung.com>
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>

Odroid XU3/4 didn't need to use the cd-gpios for detecting card.
Because host controller has the CDETECT register through SDx_CDN line.
Host controller can know whether card is inserted or not with this
register.

When I have checked the Odroid XU3/4, they are using CDETECT register
(not using exteranl cd-gpio).
Signed-off-by: NJaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>

Odroid-X, -X2, -XU3 and -XU4 have SOC-ADC routed to an external connector.
Enable the ADC for use as iio-device.
Signed-off-by: NMarkus Reichl <m.reichl@fivetechno.de>
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>

Usage of DTS macros instead of hard-coded numbers makes code easier to
read.  One does not have to remember which value means pull-up/down or
specific driver strength.
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>

This patch fixes the following DTC warnings:

"Node /memory has a reg or ranges property, but no unit name"
Signed-off-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>

The skeleton.dtsi file was removed in ARM64 for different reasons as
explained in commit ("3ebee5a2 arm64: dts: kill skeleton.dtsi").

These also applies to ARM and it will also allow to get rid of the
following DTC warnings in the future:

"Node /memory has a reg or ranges property, but no unit name"

The disassembled DTB are almost the same besides an empty chosen
node being removed and nodes reordered, so it should not have
functional changes.
Signed-off-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>

This patch enables getting a HPD GPIO descriptor quicker.
The exynos-hdmi driver uses "hpd" for HDMI hot plug detection.

	static int hdmi_resources_init(struct hdmi_context *hdata)
	{
		...
		hdata->hpd_gpio = devm_gpiod_get(dev, "hpd", GPIOD_IN);
		...
	}

This calls 'of_find_gpio()' and it generates the GPIO consumer ID by referring
GPIO suffix. So 'hpd-gpios' is preferred on getting a GPIO descriptor.

However, if the device tree uses 'hpd-gpio', then the exynos-hdmi driver
always retries to get a GPIO descriptor because the first GPIO suffix is not
'gpio' but 'gpios'. So you always see the debug message below.

	of_get_named_gpiod_flags: can't parse 'hpd-gpios' property of node '/soc/hdmi@14530000[0]'

Use the preferred property, 'hpd-gpios' instead of 'hpd-gpio'.
Acked-by: NRob Herring <robh@kernel.org>
Reviewed-by: NAndrzej Hajda <a.hajda@samsung.com>
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: NMilo Kim <woogyom.kim@gmail.com>
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>

The "linux,stdout-path" is deprecated.

Add serial options so the console can be properly configured when
bootloader does not pass "console" parameter to the command line.  Without
options and lack of "console" in command line, the serial output dies
during boot (just after probing sound, probably because of rate change).
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: NJavier Martinez Canillas <javier@osg.samsung.com>

This patch moves assigning reserved memory regions from each board dts
to common exynos-mfc-reserved-memory.dtsi file, where those regions are
defined.
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Tested-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>

The thermal nodes are not disabled in exynos5420.dtsi so there is no
need to manually enable them on Odroid XU3/XU3-Lite/XU4 boards.
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: NJavier Martinez Canillas <javier@osg.samsung.com>

This patch replaces custom properties for defining reserved memory
regions with generic reserved memory bindings for MFC video codec
device.
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Tested-by: NJavier Martinez Canillas <javier@osg.samsung.com>
[k.kozlowski: Add Samsung copyrights]
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>

Include the CPU thermal nodes directly in Odroid XU3-family common DTS
because it is the only user of it. Keeping it in separate DTSI file does
not bring benefits because:
1. It is not re-usable on other non-fan boards (fan is referenced),
2. It won't be re-used on future Odroid XU board because different
   CPU cluster behavior.
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Tested-by: NAnand Moon <linux.amoon@gmail.com>

This patch adds the bus device tree nodes for INT (Internal) block
to enable the AMBA bus frequency scaling and add the NoC (Network on Chip)
Probe Device Tree node to measure the bandwidth for AMBA AXI bus.

The WCORE bus bus is parent device in INT block using VDD_INT.
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>
Tested-by: NMarkus Reichl <m.reichl@fivetechno.de>
Tested-by: NAnand Moon <linux.amoon@gmail.com>
Reviewed-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>

The bindings like s2mps11,buck6-ramp-enable or s2mps11,buck2-ramp-delay
were ignored. They were never parsed by s2mps11 regulator driver. Also
the values used in these bindings were equal to default reset values of
S2MPS11 device. It is safe to remove them.
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: NJavier Martinez Canillas <javier@osg.samsung.com>

Add vmmc and vqmmc supplies from MF circuit sheets for eMMC and SD on
odroid XU3 and XU4 to avoid warnings:

dwmmc_exynos 12200000.mmc: Looking up vmmc-supply property in node /mmc@12200000 failed

Also remove their always_on properties so the regulators could be
disabled when not used.
Signed-off-by: NMarkus Reichl <m.reichl@fivetechno.de>
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>

Add cluster regulator supply properties as a preparation to
adding generic cpufreq-dt driver support for Exynos542x and
Exynos5800 based boards.

Cc: Doug Anderson <dianders@chromium.org>
Cc: Javier Martinez Canillas <javier@osg.samsung.com>
Cc: Andreas Faerber <afaerber@suse.de>
Cc: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: NBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: NViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>

FIMD device is not used at all on Exynos5422-based Odroid XU3-lite and
XU4. XU3 board theorethically can support FIMD with DisplayPort
connector, but due to hw limitation/design it doesn't work in most
cases. It is also not even enabled in XU3 dts file.

FIMD node was enabled mainly due to limitation of early Exynos DRM
driver, which didn't initialize properly when no FIMD device was
available. This node can be now safely removed from XU3-common dtsi and
added layer to Odroid XU3 dts, when Display Port driver gets enabled.
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Tested-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>

The board DTS are using numeric values instead of the defined GPIO
constanst to express polarity, use them to make the DTS more clear.
Signed-off-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: NKukjin Kim <kgene@kernel.org>

Add Hardkernel Odroid XU4 board Device Tree sources. The board differs
from Odroid XU3 and XU3-Lite by:
1. No green and red LEDs (except standard red power LED).
2. Only two PWM outputs are used (fan and blue LED)
3. No audio codec.
4. Two USB3 ports in host mode (no micro USB3 connector for OTG).
5. Realtek RTL8153-CG gigabit network adapter (instead of SMSC9514).
6. Additional connector with IO ports (I2S_0, I2C_5).
7. No DisplayPort (like XU3-Lite).
8. No TI INA231 power measurement sensors (like XU3-Lite).
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: NKukjin Kim <kgene@kernel.org>

The Odroid XU4 board does not have audio codec so before adding DTS
for new board split the audio codec to separate DTSI file. Include
the audio codec DTSI in Odroid XU3 and XU3-Lite boards.
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: NKukjin Kim <kgene@kernel.org>

The Odroid XU3 family boards have ACOKB pin of PMIC grounded, instead of
pulled up as usual. This means that PMIC must manually set PWRHOLD field
in its CTRL1 register to low before initiating power down.

This fixes Odroid XU3 powering off:
[   25.966053] reboot: Power down
[   25.967679] Power down.
[   26.070174] Power down failed, please power off system manually.
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski.k@gmail.com>
Reported-by: NAnand Moon <linux.amoon@gmail.com>
Reviewed-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: NKukjin Kim <kgene@kernel.org>

The LEDs on Odroid XU3 family boards could not properly probe
because PWM outputs were reduced only to PWM for fan. Fix it
for Odroid XU3 and XU3-Lite boards by switching to usage of
all 4 outputs (although the PWM for MIPI probably is redundant
because board does not have MIPI connector available).

This fixes warnings on dmesg:
[    4.838712] samsung-pwm 12dd0000.pwm: tried to request PWM channel 1 without output
[    4.838725] leds_pwm pwmleds: unable to request PWM for green:mmc0: -22
[    4.838767] leds_pwm: probe of pwmleds failed with error -22

Fixes: b685d540 ("ARM: dts: Add pwm-fan node for exynos5422-odroidxu3")
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: NKukjin Kim <kgene@kernel.org>

The odroid-xu3 board which is based on exynos5422 not exynos5800
is booted from cortex-a7 core unlike exynos5800. The odroid-xu3's
cpu order is quite strange. cpu0 and cpu5-7 are cortex-a7 cores and
cpu1-4 are cortex-a15 cores. To correct this mis-odering, I added
exynos5422-cpus.dtsi and reversing cpu orders from exynos5420.
Now, cpu0-3 are cortex-a7 and cpu4-7 are cortex-a15.
Reviewed-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: NChanho Park <parkch98@gmail.com>
Signed-off-by: NKukjin Kim <kgene@kernel.org>

Include exynos5422-cpu-thermal.dtsi to enable thermal_zone support.
Signed-off-by: NAnand Moon <linux.amoon@gmail.com>
Acked-by: NLukasz Majewski <l.majewski@samsung.com>
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: NKukjin Kim <kgene@kernel.org>

This changes enables TMU IP block on the Exynos5422 Odroid-XU3
device.
Signed-off-by: NAnand Moon <linux.amoon@gmail.com>
Acked-by: NLukasz Majewski <l.majewski@samsung.com>
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: NKukjin Kim <kgene@kernel.org>

Add pwm-fan node to the Odroid-XU3 boards.
Signed-off-by: NAnand Moon <linux.amoon@gmail.com>
Tested-by: NMarkus Reichl <m.reichl@fivetechno.de>
Acked-by: NLukasz Majewski <l.majewski@samsung.com>
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: NKukjin Kim <kgene@kernel.org>

Enable regulator for usbdrd3_0 and usbdrd3_1. Looking at the schematic
pin diagram for MAX77802 USB3_0 and USB3_1 is regulated by LDO9 and
LD011.

This removes following warnings during boot:
[    3.503539] exynos-dwc3 usb@12000000: Looking up vdd33-supply from device tree
[    3.503556] exynos-dwc3 usb@12000000: Looking up vdd33-supply property in node /usb@12000000 failed
[    3.503568] usb@12000000 supply vdd33 not found, using dummy regulator
[    3.509154] exynos-dwc3 usb@12000000: Looking up vdd10-supply from device tree
[    3.509170] exynos-dwc3 usb@12000000: Looking up vdd10-supply property in node /usb@12000000 failed
[    3.509181] usb@12000000 supply vdd10 not found, using dummy regulator
[    3.917548] exynos-dwc3 usb@12400000: Looking up vdd33-supply from device tree
[    3.917565] exynos-dwc3 usb@12400000: Looking up vdd33-supply property in node /usb@12400000 failed
[    3.917578] usb@12400000 supply vdd33 not found, using dummy regulator
[    3.922731] exynos-dwc3 usb@12400000: Looking up vdd10-supply from device tree
[    3.922747] exynos-dwc3 usb@12400000: Looking up vdd10-supply property in node /usb@12400000 failed
Signed-off-by: NAnand Moon <linux.amoon@gmail.com>
Tested-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: NKukjin Kim <kgene@kernel.org>

The Odroid XU3 Lite is almost the same as XU3, except:
1. Lower CPU frequencies (1.8 GHz for A15 and 1.3 GHz for A7, instead of
   2.0 GHz and 1.4 GHz).
2. No DisplayPort.
3. No TI INA231 energy measurement sensors.

This patch moves common nodes (which is almost everything) to a common
DTSI file and adds a new XU3 Lite DTS.

Currently in comparison to XU3, only the INA231 sensors are disabled to
remove the warning:
ina2xx 0-0040: error configuring the device: -6
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: NKukjin Kim <kgene@kernel.org>

The IRQB of S2MPS11 PMIC is wired to XEINT4 (GPX0-4) through pull-up
resistor.

Add interrupt properties and pinctrl configuration to enable RTC wake
alarm of rtc-s5m driver. This also removes a warning:
sec_pmic 4-0066: No interrupt specified, no interrupts
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski.k@gmail.com>
Reviewed-by: NJavier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: NKukjin Kim <kgene@kernel.org>

Usage of labels instead of full paths reduces possible mistakes when
overriding nodes.
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: NKukjin Kim <kgene@kernel.org>