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The arm dts directory has grown to 1559 boards which makes it a bit
unwieldy to maintain and use. Past attempts stalled out due to plans to
move .dts files out of the kernel tree. Doing that is no longer planned
(any time soon at least), so let's go ahead and group .dts files by
vendors. This move aligns arm with arm64 .dts file structure.
There's no change to dtbs_install as the flat structure is maintained on
install.
The naming of vendor directories is roughly in this order of preference:
- Matching original and current SoC vendor prefix/name (e.g. ti, qcom)
- Current vendor prefix/name if still actively sold (SoCs which have
been aquired) (e.g. nxp/imx)
- Existing platform name for older platforms not sold/maintained by any
company (e.g. gemini, nspire)
The whole move was scripted with the exception of MAINTAINERS and a few
makefile fixups.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Michal Simek <michal.simek@amd.com> #Xilinx
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Paul Barker <paul.barker@sancloud.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Wei Xu <xuwei5@hisilicon.com> #hisilicon
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Nick Hawkins <nick.hawkins@hpe.com>
Acked-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Peter Rosin <peda@axentia.se>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com> #broadcom
Acked-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: Patrice Chotard <patrice.chotard@foss.st.com>
Acked-by: Romain Perier <romain.perier@gmail.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Acked-by: Enric Balletbo i Serra <eballetbo@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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The DeviceTree Specification v0.3 specifies that the cache node
'compatible' and 'cache-level' properties are 'required'. Cf.
s3.8 Multi-level and Shared Cache Nodes
The 'cache-unified' property should be present if one of the
properties for unified cache is present ('cache-size', ...).
Update the Device Trees accordingly.
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Link: https://lore.kernel.org/r/20221122163208.3810985-2-pierre.gondois@arm.com
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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According to the commit log of the commit 3ac395a5b3f3 ("ARM: dts:
bcm283x: Use firmware PM driver for V3D"), the initial intent behind the
bcm2835-rpi-common DTSI was to share data between the RaspberryPies
based on the BCM2835, 36 and 37.
However, it was included by these SoCs' main DTSI. This is creating an
improper layering.
On top of that, bcm2835.dtsi is being included by bcm2711.dtsi, which
means that, even though the bcm2835-rpi-common DTSI wasn't actually
meant to contain data for the BCM2711, it actually leaks into the
BCM2711 DTSI.
In order to remove both issues, let's remove the include of
bcm2835-rpi-common.dtsi from bcm283{5-7}.dtsi and put them into the
bcm283{6,7}-rpi.dtsi.
BCM2835 has to be handled with special care due to the fact that
bcm2835.dtsi is being included by bcm2711.dtsi. Thus, we chose to
include bcm2835-rpi-common.dtsi directly into the board DTS. This will
be more error-prone, but given that it's a fairly old SoC by now, the
chance that we will get more BCM2835 boards is fairly low.
BCM2711 isn't modified since the content of bcm2835-rpi-common.dtsi was
only a power-domain for the v3d that was overridden anyway.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20221026-rpi-display-fw-clk-v1-1-5c29b7a3d8b0@cerno.tech
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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This patch fixes the kernel warning
"cacheinfo: Unable to detect cache hierarchy for CPU 0"
for the bcm2837 on newer kernel versions.
Signed-off-by: Richard Schleich <rs@noreya.tech>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
[florian: Align and remove comments matching property values]
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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The register based driver turned out to be unstable, specially on RPi3a+
but not limited to it. While a fix is being worked on, we roll back to
using firmware based scheme.
Fixes: e1dc2b2e1bef ("ARM: bcm283x: Switch V3D over to using the PM driver instead of firmware")
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/20200303173217.3987-1-nsaenzjulienne@suse.de
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As preparation we want all common BCM2711 + BCM2835/6/7 functions in
bcm283x.dtsi and all BCM2835/6/7 specific in the new
bcm2835-common.dtsi. Since i2c2 is BCM2835 specific, we also need
to move it to bcm2835-common.dtsi.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Acked-by: Eric Anholt <eric@anholt.net>
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This only probes on arm64 so far, but hopefully that driver will be
generalized soon.
Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
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This patch fixes the following DTC warning (requires W=1):
Node /soc/local_intc simple-bus unit address format error, expected "40000000"
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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This patch define the polarity of the per-cpu interrupts on BCM2836
and BCM2837 in order to avoid the warnings from ARM arch timer code:
arch_timer: WARNING: Invalid trigger for IRQ19, assuming level low
arch_timer: WARNING: Please fix your firmware
arch_timer: cp15 timer(s) running at 19.20MHz (virt).
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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This patch adds the missing 32-bit enable method for SMP on BCM2836 and
BCM2837. The BCM2837 already has an enabled method, but this one only
works for 64-bit.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Tested-by: Eric Anholt <eric@anholt.net>
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BCM2837 is somewhat unusual in that we build its DT on both arm32 and
arm64. Most devices are being run in arm32 mode.
Having the body of the DT for 2837 separate from 2835/6 has been a
source of pain, as we often need to make changes that span both
directories simultaneously (for example, the thermal changes for 4.13,
or anything that changes the name of a node referenced by '&' from
board files). Other changes are made more complicated than they need
to be, such as the SDHOST enabling, because we have to split a single
logical change into a 283[56] half and a 2837 half.
To fix this, make the stub board include file live in arm64 instead of
arm32, and keep all of BCM283x's contents in arm32. From here on, our
changes to DT contents can be submitted through a single tree.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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