The ARM Cortex-A53 CPU cores and QGIC2 interrupt controller
(an implementation of the ARM GIC 2.0 specification) used in MSM8916
support virtualization, e.g. for KVM on Linux. However, so far it was
not possible to make use of this functionality, because Qualcomm's
proprietary "hyp" firmware blocks the EL2 mode of the CPU and only
allows booting Linux in EL1.

However, on devices without (firmware) secure boot there is no need
to rely on all of Qualcomm's firmware. The "hyp" firmware on MSM8916
seems simple enough that it can be replaced with an open-source
alternative created only based on trial and error - with some similar
EL2/EL1 initialization code adapted from Linux and U-Boot.

qhypstub [1] is such an open-source firmware for MSM8916 that
can be used as drop-in replacement for Qualcomm's "hyp" firmware.
It does not implement any hypervisor functionality.
Instead, it allows booting Linux/KVM (or other hypervisors) in EL2.

With Linux booting in EL2, KVM seems to be working just fine on MSM8916.
However, so far it is not possible to make use of the virtualization
features in the GICv2. To use KVM's VGICv2 code, the QGIC2 device tree
node needs additional resources (according to binding documentation):

  - The CPU interface region (second reg) must be at least 8 KiB large
    to access the GICC_DIR register (mapped at 0x1000 offset)
  - Virtual control/CPU interface register base and size
  - Hypervisor maintenance interrupt

Fortunately, the public APQ8016E TRM [2] provides the required information:

  - The CPU interface region (at 0x0B002000) actually has a size of 8 KiB
  - Virtual control/CPU interface register is at 0x0B001000/0x0B004000
  - Hypervisor maintenance interrupt is "PPI #0"
      Note: This is a bit strange since almost all other ARM SoCs use
            GIC_PPI 9 for this. However, I have verified that this is
            indeed the interrupt that fires when bits are set in GICH_HCR.

Add the additional resources to the QGIC2 device tree node in msm8916.dtsi.
There is no functional difference when Linux is started in EL1 since the
additional resources are ignored in that case.

With these changes (and qhypstub), KVM seems to be fully working on
the DragonBoard 410c (apq8016-sbc) and BQ Aquaris X5 (longcheer-l8910).

[1]: https://github.com/msm8916-mainline/qhypstub
[2]: https://developer.qualcomm.com/download/sd410/snapdragon-410e-technical-reference-manual.pdfAcked-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20210407163648.4708-1-stephan@gerhold.netSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Cange aDSP and cDSP firmware filenames to follow filenames merged into
linux-firmware tree. Switch from split .mdt files to merged .mbn files.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210318201405.2244723-1-dmitry.baryshkov@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Enabling the Display panel for beryllium requires DSI
labibb regulators and panel dts nodes to be added.
It is also required to keep some of the regulators as
always-on.
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210404194437.537011-1-amit.pundir@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add coresight components found on SC7280 SoC.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Link: https://lore.kernel.org/r/de07324628f88900b72357f4ef7f0c7db7e3409d.1615832893.git.saiprakash.ranjan@codeaurora.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add a DT node for the AOSS QMP on SC7280 SoC.
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Link: https://lore.kernel.org/r/12f013a09989dbc3075bfb204653dc02d54ae8a1.1615832893.git.saiprakash.ranjan@codeaurora.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add the IPCC DT node which is used to send and receive IPC
signals with remoteprocs for SC7280 SoC.

Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/8374f407386209d2e7891763de3fa2450a14ad60.1615832893.git.saiprakash.ranjan@codeaurora.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add a DT node for Last level cache (aka. system cache)
controller which provides control over the last level
cache present on SC7280 SoC.
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/5bacaa8350e0d9553dccd623a15513590e795b47.1615832893.git.saiprakash.ranjan@codeaurora.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add device trees for OnePlus 5 (cheeseburger) and 5T (dumpling)
MSM8998 SoC smartphones with initial support included for:

- UFS internal storage
- USB peripheral mode
- Display
- Touch
- Bluetooth
- Hall effect sensor
- Power and volume buttons
- Capacitive keypad button backlight (on cheeseburger)
Signed-off-by: Jami Kettunen <jamipkettunen@gmail.com>
Link: https://lore.kernel.org/r/20210406010708.2376807-2-jamipkettunen@gmail.comSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

This was already the case for ADSP and SLPI remoteprocs & doesn't affect
existing boards where it has been re-enabled.
Signed-off-by: Jami Kettunen <jamipkettunen@gmail.com>
Link: https://lore.kernel.org/r/20210406010708.2376807-3-jamipkettunen@gmail.comSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Move rmtfs memory region so that it does not overlap with system
RAM (kernel data) when KAsan is enabled. This puts rmtfs right
after mba_mem which is not supposed to increase beyond 0x94600000
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Sujit Kautkar <sujitka@chromium.org>
Link: https://lore.kernel.org/r/20210330014610.1451198-1-sujitka@chromium.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

This is a trgodor variant, required to have sound node variable
for coachz specific platform.
Tested-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20210314061054.19451-3-srivasam@codeaurora.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add dai link for supporting lpass I2S driver, which is used
for audio capture and playback.
Add lpass-cpu node with pin controls and i2s primary
and secondary dai-links.
Tested-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Ajit Pandey <ajitp@codeaurora.org>
Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Link: https://lore.kernel.org/r/20210314061054.19451-2-srivasam@codeaurora.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Plug dp_phy-provided clocks to display clock controller.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210331151614.3810197-8-dmitry.baryshkov@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

USB1 QMP PHY is not just a USB3 PHY, but USB3+DP PHY. Change device tree
nodes accordingly.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210331151614.3810197-7-dmitry.baryshkov@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add DT entries for the sm8250 venus encoder/decoder.
Co-developed-by: Jonathan Marek <jonathan@marek.ca>
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Co-developed-by: Dikshita Agarwal <dikshita@qti.qualcomm.com>
Signed-off-by: Dikshita Agarwal <dikshita@qti.qualcomm.com>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210401174256.1810044-3-bryan.odonoghue@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

This commit adds the videocc DTS node for sm8250.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210401174256.1810044-2-bryan.odonoghue@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add interconnect nodes and add them for modem and cdsp nodes
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210401113252.3078466-1-vkoul@kernel.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

RNG (Random Number Generator) in SM8350 features PRNG EE (Execution
Environment), hence add devicetree support for it.
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://lore.kernel.org/r/20210401101536.1014560-1-robert.foss@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add regulator devices for SC7280 as RPMh regulators. This ensures
that consumers are able to modify the physical state of PMIC
regulators.
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: satya priya <skakit@codeaurora.org>
Link: https://lore.kernel.org/r/1617192339-3760-4-git-send-email-skakit@codeaurora.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Specify input clocks to the SDM845's Global Clock Controller as required
by the bindings.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210402233944.273275-4-dmitry.baryshkov@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

sm8350 has 29 thermal sensors split across two tsens controllers. Add
the thermal zones to expose them and wireup the cpus to throttle their
frequencies on crossing passive temperature thresholds.
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210324124308.1265626-2-robert.foss@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Tested on the OnePlus 7 Pro (including DMA).
Signed-off-by: Caleb Connolly <caleb@connolly.tech>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Link: https://lore.kernel.org/r/20210321174522.123036-3-caleb@connolly.techSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add the first and third qupv3 nodes used to hook
up peripherals on some devices, as well as the iommus properties for all
of them.
Signed-off-by: Caleb Connolly <caleb@connolly.tech>
Link: https://lore.kernel.org/r/20210321174522.123036-2-caleb@connolly.techSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Apply these fixes to the newly added sm8250 display ndoes
 - Remove "notused" interconnect (which apparently was blindly copied from
   my old patches)
 - Use dispcc node example from dt-bindings, removing clocks which aren't
   documented or used by the driver and fixing the region size.

Fixes: 7c1dffd4 ("arm64: dts: qcom: sm8250.dtsi: add display system nodes")
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
[DB: compatibility changes split into separate patch]
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210329120051.3401567-2-dmitry.baryshkov@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

On the GENI SPI controller is is not very efficient if the chip select
line is controlled by the QUP itself (see 37dd4b77 ("arm64: dts:
qcom: sc7180: Provide pinconf for SPI to use GPIO for CS") for the
details). Configure SPI0 CS pin as a GPIO.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20210210133458.1201066-5-dmitry.baryshkov@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

GENI SPI controller shows several issues if it manages the CS on its own
(see 37dd4b77 ("arm64: dts: qcom: sc7180: Provide pinconf for SPI to
use GPIO for CS")) for the details. Provide pinctrl entries for SPI
controllers using the same CS pin but in GPIO mode.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20210210133458.1201066-4-dmitry.baryshkov@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Split "default" device tree nodes into common "data-clk" nodes and "cs"
nodes which might differ from board to board depending on how the slave
chips are wired.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210210133458.1201066-3-dmitry.baryshkov@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

As discussed on linux-arm-msm list, start splitting sm8250 pinctrl
settings into generic and board-specific parts. The first part to
receive such treatment is the spi, so split spi pinconf to the board
device tree.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210210133458.1201066-2-dmitry.baryshkov@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Enable camss & ov8856 DT nodes.
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Reviewed-by: Andrey Konovalov <andrey.konovalov@linaro.org>
Link: https://lore.kernel.org/r/20210316171931.812748-23-robert.foss@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add regulator to camss device tree node.
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Reviewed-by: Andrey Konovalov <andrey.konovalov@linaro.org>
Link: https://lore.kernel.org/r/20210316171931.812748-22-robert.foss@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add the camss dt node for sdm845.
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Reviewed-by: Andrey Konovalov <andrey.konovalov@linaro.org>
Link: https://lore.kernel.org/r/20210316171931.812748-21-robert.foss@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

The PM8150 comes with everything the RTC needs, so let's just leave it
enabled instead of having to explicitly enable it for all boards.
In effect this patch enables the RTC on the SM8150 MTP and the SM8250
HDK.
Acked-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210106001004.4081508-1-bjorn.andersson@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

SM8350-MTP features PM8350, PM8350B, PM8350C, PMK8350, PMR735A and
PMR735B. PMICs Add the dtsi for these PMICs to MTP.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210312052737.3558801-9-vkoul@kernel.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add base DTS file for PMR735B along with GPIO node
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210312052737.3558801-8-vkoul@kernel.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add base DTS file for PMR735A along with GPIO node
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210312052737.3558801-7-vkoul@kernel.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add base DTS file for PM8350C along with GPIO node
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210312052737.3558801-6-vkoul@kernel.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add base DTS file for PM8350B along with GPIO node
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210312052737.3558801-5-vkoul@kernel.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add base DTS file for PM8350 along with GPIO node
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210312052737.3558801-4-vkoul@kernel.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add base DTS file for PMK8350 along with GPIO node
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210312052737.3558801-3-vkoul@kernel.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Add SPMI node found in SM8350 SoC
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210312052737.3558801-2-vkoul@kernel.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>