20924 Commits

Author SHA1 Message Date
Nícolas F. R. A. Prado
0dca9f0b3e arm64: dts: mediatek: asurada: Enable PCIe and add WiFi
Enable MT8192's PCIe controller and add support for the MT7921e WiFi
card that is present on that bus for the Asurada platform.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-15-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-07-07 16:39:17 +02:00
Nícolas F. R. A. Prado
aa421ef2ee arm64: dts: mediatek: asurada: Enable XHCI
Enable XHCI controller on the Asurada platform. This allows the use of
the USB ports, and therefore a rootfs can be loaded and a usable shell
reached from a live USB image.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-14-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-07-07 16:39:17 +02:00
Nícolas F. R. A. Prado
6812f4ed6e arm64: dts: mediatek: spherion: Add keyboard backlight
The Spherion board has keyboard backlight controlled by the PWM signal
generated by the ChromeOS EC.

Enable PWM output for ChromeOS EC and add a PWM controlled LED node for
the keyboard backlight.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-13-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-07-07 16:39:17 +02:00
Nícolas F. R. A. Prado
cbd4af081a arm64: dts: mediatek: asurada: Add I2C touchscreen
All machines of the Asurada platform have a touchscreen at address 0x10
in the I2C0 bus, but the devices vary: Spherion has the Elan eKTH3500
touchscreen, while Hayato has a generic HID-over-i2c touchscreen.

Add common support for the touchscreens on the platform and the
specifics in each board file.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-12-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-07-07 16:39:17 +02:00
Nícolas F. R. A. Prado
e031715a70 arm64: dts: mediatek: asurada: Add Elan eKTH3000 I2C trackpad
Add support for the Elan eKTH3000 i2c trackpad present on Asurada. It is
connected to the I2C2 bus and has address 0x15.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-11-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-07-07 16:39:17 +02:00
Nícolas F. R. A. Prado
863fb75235 arm64: dts: mediatek: asurada: Add Cr50 TPM
The Asurada platform has a Google Security Chip connected to the SPI5
bus. It runs the cr50 firmware and provides TPM functionality. Add
support for it.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-10-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-07-07 16:39:17 +02:00
Nícolas F. R. A. Prado
9b909db680 arm64: dts: mediatek: asurada: Add keyboard mapping for the top row
Chromebooks' embedded keyboards differ from standard layouts for the
top row in that they have shortcuts in place of the standard function
keys. Map these keys to achieve the functionality that is pictured on
the printouts.

There's a minor difference between the keys present on Hayato, which
uses an older layout, and Spherion, which uses a newer one.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-9-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-07-07 16:39:17 +02:00
Nícolas F. R. A. Prado
eb188a2aaa arm64: dts: mediatek: asurada: Add ChromeOS EC
Add support for the ChromeOS Embedded Controller present on the Asurada
platform. It is connected through the SPI1 bus and offers several
functionalities: base detection, PWM controller, I2C tunneling,
regulators, Type-C connector management, keyboard and Smart Battery
Metrics (SBS).

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-8-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-07-07 16:39:17 +02:00
Nícolas F. R. A. Prado
23e0fff324 arm64: dts: mediatek: asurada: Enable and configure I2C and SPI busses
The Asurada platform has five I2C controllers and two SPI controllers
that are used. In preparation for enabling the devices connected to
these controllers, enable and configure their busses.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-7-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-07-07 16:39:16 +02:00
Nícolas F. R. A. Prado
cb75aeaf89 arm64: dts: mediatek: asurada: Add system-wide power supplies
Add system-wide power supplies present on all of the boards in the
Asurada family.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-6-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-07-07 16:39:16 +02:00
Nícolas F. R. A. Prado
9ec952276f arm64: dts: mediatek: asurada: Document GPIO names
Add the gpio-line-names property to gpio-controller in order to
document the usage of GPIOs on the Asurada platform.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-5-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-07-07 16:39:16 +02:00
Nícolas F. R. A. Prado
331fae2fc9 arm64: dts: mediatek: Introduce MT8192-based Asurada board family
Introduce the MT8192 Asurada Chromebook platform, including the Asurada
Spherion and Asurada Hayato boards.

This is enough configuration to get serial output working on Spherion
and Hayato.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-4-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-07-07 16:39:16 +02:00
AngeloGioacchino Del Regno
63859d711a arm64: dts: mediatek: mt8183-kukui: Assign sram supply to mfg_async pd
Add a phandle to the MT8183_POWER_DOMAIN_MFG_ASYNC power domain and
assign the GPU VSRAM supply to this in mt8183-kukui: this allows to
keep the sram powered up while the GPU is used.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220623123850.110225-3-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-07-07 11:39:03 +02:00
AngeloGioacchino Del Regno
55fcff6c42 arm64: dts: mediatek: mt6795: Specify interrupts for vGIC
Add the maintenance interrupt for GIC-400.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220609112303.117928-11-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 17:25:08 +02:00
AngeloGioacchino Del Regno
b888886a45 arm64: dts: mediatek: mt6795: Add pinctrl controller node
Add a node for the pinctrl controller found on MT6795 but without
configuration for any pin, as that's expected to be done in the
machine-specific devicetrees.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220609112303.117928-10-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 17:25:08 +02:00
AngeloGioacchino Del Regno
01931ee600 arm64: dts: mediatek: mt6795: Add ARM CCI-400 node and assign to CPUs
This SoC features an ARM CCI-400 IP: add the required node and
assign the cci control ports to the CPU cores.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220609112303.117928-9-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 17:25:08 +02:00
AngeloGioacchino Del Regno
4c400f1812 arm64: dts: mediatek: mt6795: Add general purpose timer node
Add the timer node, enabling two GPTs, of which one will be used as
sched_clock.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220609112303.117928-8-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 17:25:08 +02:00
AngeloGioacchino Del Regno
468deda82f arm64: dts: mediatek: mt6795: Remove incorrect fixed-clocks
Remove the RTC and UART fixed clocks, as these were introduced to
temporarily provide a dummy clock to devices: since the two 26M/32K
fixed oscillators clocks (which do really exist in the SoC) have
been added, there's no reason to keep the aforementioned (and now
redundant) dummies in this devicetree.

In order to remove the uart dummy clock, it was necessary to also
reassign the clock of all UART nodes to clk26m.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220609112303.117928-7-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 17:25:08 +02:00
AngeloGioacchino Del Regno
d9fc72d50b arm64: dts: mediatek: mt6795: Add fixed clocks for 32kHz and 26MHz XOs
Add the 32kHz and 26MHz oscillators as fixed clocks in devicetree to
provide a good initial clock spec, since this SoC features two always
on oscillators running at the aforementioned frequencies.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220609112303.117928-6-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 17:25:07 +02:00
AngeloGioacchino Del Regno
ac4cf9a2e3 arm64: dts: mediatek: mt6795: Add watchdog node to avoid timeouts
At least on commercial devices like some smartphones, the bootloader
will initialize the SoC watchdog and set it to reboot the board when
it times out. The last pet that this watchdog is getting is right
before booting the kernel and left it enabled as a protection against
boot failure: this means that Linux is expected to initialize this
device and pet as soon as possible, or it will bark and reset the AP.

In order to prevent that, add the required watchdog node as default
enabled: this will have no side effects on boards that are not
performing the aforementioned watchdog setup before booting Linux.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220609112303.117928-5-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 17:25:07 +02:00
AngeloGioacchino Del Regno
5fce1e6cc0 arm64: dts: mediatek: mt6795: Add Cortex A53 PMU nodes
Add the required nodes to enable the PMU on this SoC.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220609112303.117928-4-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 17:25:07 +02:00
AngeloGioacchino Del Regno
f48d486743 arm64: dts: mediatek: mt6795: Add cpu-map and L2 cache
This SoC is HMP and has two clusters with four Cortex-A53 cores each:
declare a cpu map and, while at it, also add the next-level-cache
properties.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220609112303.117928-3-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 17:25:07 +02:00
AngeloGioacchino Del Regno
5397ed01d5 arm64: dts: mediatek: mt6795: Create soc bus node and move mmio devices
MMIO devices should be inside of a soc bus node, as it's done for the
vast majority of ARM64 devicetrees, and for almost all MTK devicetrees.
Create a simple-bus soc node and move all devices with a MMIO address
space in there.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220609112303.117928-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 17:25:07 +02:00
Krzysztof Kozlowski
4a50cac0fb arm64: dts: mediatek: mt7622-rfb1: remove wrong gpio-keys property
gpio-keys (regular, not polling) does not use "poll-interval" property.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220617232124.7022-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 16:17:06 +02:00
AngeloGioacchino Del Regno
3f1804270f arm64: dts: mediatek: mt2712e: Add mediatek, infracfg phandle for IOMMU
The IOMMU driver now looks for the "mediatek,infracfg" phandle as a
new way to retrieve a syscon to that:
even though the old way is retained, it has been deprecated and the
driver will write a message in kmsg advertising to use the phandle
way instead.

For this reason, assign the right phandle to mediatek,infracfg in
the iommu node.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Miles Chen <miles.chen@mediatek.com>
Link: https://lore.kernel.org/r/20220616110830.26037-5-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 16:13:11 +02:00
AngeloGioacchino Del Regno
7b06e86e68 arm64: dts: mediatek: mt8173: Add mediatek,infracfg phandle for IOMMU
The IOMMU driver now looks for the "mediatek,infracfg" phandle as a
new way to retrieve a syscon to that:
even though the old way is retained, it has been deprecated and the
driver will write a message in kmsg advertising to use the phandle
way instead.

For this reason, assign the right phandle to mediatek,infracfg in
the iommu node.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Miles Chen <miles.chen@mediatek.com>
Link: https://lore.kernel.org/r/20220616110830.26037-4-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 16:13:11 +02:00
Chunfeng Yun
2208b284be arm64: dts: mediatek: mt8183: change efuse node name
Use the fixed "efuse" name for efuse nodes according to its yaml file

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20220617093132.22578-4-chunfeng.yun@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 16:09:20 +02:00
Chunfeng Yun
fda0541c8a arm64: dts: mediatek: mt8192: fix dtbs check warning of efuse
Need also provide a specific compatible "mediatek,mt8192-efuse" at
the same time when use the generic compatible "mediatek,efuse".

Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20220617093132.22578-3-chunfeng.yun@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 16:09:20 +02:00
Nícolas F. R. A. Prado
2e599740f7 arm64: dts: mt8192: Fix idle-states entry-method
The entry-method property of the idle-states node should be "psci" as
described in the idle-states binding, since this is already the value of
enable-method in the CPU nodes. Fix it to get rid of a dtbs_check
warning.

Fixes: 9260918d3a4f ("arm64: dts: mt8192: Add cpu-idle-states")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220617233150.2466344-3-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 16:07:57 +02:00
Nícolas F. R. A. Prado
399e23ad51 arm64: dts: mt8192: Fix idle-states nodes naming scheme
Tweak the name of the idle-states subnodes so that they follow the
binding pattern, getting rid of dtbs_check warnings.

Only the usage of "-" in the name was necessary, but "off" was also
exchanged for "sleep" since that seems to be a more common wording in
other dts files.

Fixes: 9260918d3a4f ("arm64: dts: mt8192: Add cpu-idle-states")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220617233150.2466344-2-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 16:07:56 +02:00
Fabio Estevam
a5b87cdc1b arm64: dts: mediatek: Replace 'enable-sdio-wakeup'
As explained in Documentation/devicetree/bindings/mmc/mmc-controller.yaml,
the 'enable-sdio-wakeup' property is considered deprecated.

Replace it with the 'wakeup-source' property instead.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Link: https://lore.kernel.org/r/20220621124435.121740-1-festevam@gmail.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 15:59:21 +02:00
Rex-BC Chen
4459a59807 arm64: dts: mediatek: Add infra #reset-cells property for MT8195
We will use mediatek clock reset as infracfg_ao reset instead of
ti-syscon. To support this, remove property of ti reset and add
property of #reset-cells for mediatek clock reset.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220503093856.22250-17-rex-bc.chen@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 13:04:36 +02:00
Rex-BC Chen
a30cc07f9e arm64: dts: mediatek: Add infra #reset-cells property for MT8192
To support reset of infra, we add property of #reset-cells.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220503093856.22250-16-rex-bc.chen@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-22 13:04:36 +02:00
Moudy Ho
0be021f900 arm64: dts: mt8183: add GCE client property for Mediatek MUTEX
In order to allow modules with latency requirements such as MDP3
to set registers through CMDQ, add the relevant dts property.

Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Link: https://lore.kernel.org/r/20220610063424.7800-6-moudy.ho@mediatek.com
[mb: fix commit subject]
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-17 15:52:56 +02:00
Krzysztof Kozlowski
7db5dfd3f9 arm64: dts: mediatek: mt7622-bananapi-bpi-r64: align led node names with dtschema
The node names should be generic and DT schema expects certain pattern
with 'led'.  Use generic color properties instead of the node name.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220616005333.18491-16-krzysztof.kozlowski@linaro.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-17 12:43:07 +02:00
Krzysztof Kozlowski
335d160366 arm64: dts: mediatek: align gpio-key node names with dtschema
The node names should be generic and DT schema expects certain pattern
(e.g. with key/button/switch).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220616005333.18491-15-krzysztof.kozlowski@linaro.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-17 12:42:54 +02:00
Krzysztof Kozlowski
2e9cf55405 arm64: dts: mediatek: adjust whitespace around '='
Fix whitespace coding style: use single space instead of tabs or
multiple spaces around '=' sign in property assignment.  No functional
changes (same DTB).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220526204402.832393-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-17 11:04:12 +02:00
Chunfeng Yun
77d3061308 arm64: dts: mediatek: mt8195: enable usb remote wakeup
Enable USB remote wakeup of all four xHCI controller

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Macpaul Lin <macpaul.lin@mediatek.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20220617072344.21461-2-chunfeng.yun@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-17 10:55:01 +02:00
Chunfeng Yun
ab43a84c98 arm64: dts: mediatek: mt8195: add efuse node and cells
Add efuse node and cells used by t-phy to fix the bit shift issue

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Macpaul Lin <macpaul.lin@mediatek.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20220617072344.21461-1-chunfeng.yun@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-17 10:55:01 +02:00
Roger Lu
41131266c8 arm64: dts: mt8183: add svs device information
Add compatible/reg/irq/clock/efuse setting in svs node.

Signed-off-by: Roger Lu <roger.lu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20220516004311.18358-3-roger.lu@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-17 10:50:46 +02:00
Rex-BC Chen
68163cd12c arm64: dts: mediatek: Add mediatek,cci property for MT8183 cpufreq
Add mediatek,cci property to support MediaTek CCI feature.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220516111130.13325-4-rex-bc.chen@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-07 18:26:33 +02:00
Rex-BC Chen
f3ceebeb0c arm64: dts: mediatek: Add MediaTek CCI node for MT8183
Add MediaTek CCI devfreq node for MT8183.

Signed-off-by: Andrew-sh.Cheng <andrew-sh.cheng@mediatek.com>
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220516111130.13325-3-rex-bc.chen@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-07 18:26:33 +02:00
Rex-BC Chen
95eacb24f3 arm64: dts: mediatek: Add opp table and clock property for MT8183 cpufreq
- Add cpufreq opp table.
- Add MediaTek cci opp table.
- Add property of opp table and clock fro cpufreq.

Signed-off-by: Andrew-sh.Cheng <andrew-sh.cheng@mediatek.com>
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220516111130.13325-2-rex-bc.chen@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2022-06-07 18:26:33 +02:00
Linus Torvalds
1ec6574a3c This set of changes updates init and user mode helper tasks to be
ordinary user mode tasks.
 
 In commit 40966e316f86 ("kthread: Ensure struct kthread is present for
 all kthreads") caused init and the user mode helper threads that call
 kernel_execve to have struct kthread allocated for them.  This struct
 kthread going away during execve in turned made a use after free of
 struct kthread possible.
 
 The commit 343f4c49f243 ("kthread: Don't allocate kthread_struct for
 init and umh") is enough to fix the use after free and is simple enough
 to be backportable.
 
 The rest of the changes pass struct kernel_clone_args to clean things
 up and cause the code to make sense.
 
 In making init and the user mode helpers tasks purely user mode tasks
 I ran into two complications.  The function task_tick_numa was
 detecting tasks without an mm by testing for the presence of
 PF_KTHREAD.  The initramfs code in populate_initrd_image was using
 flush_delayed_fput to ensuere the closing of all it's file descriptors
 was complete, and flush_delayed_fput does not work in a userspace thread.
 
 I have looked and looked and more complications and in my code review
 I have not found any, and neither has anyone else with the code sitting
 in linux-next.
 
 Link: https://lkml.kernel.org/r/87mtfu4up3.fsf@email.froward.int.ebiederm.org
 
 Eric W. Biederman (8):
       kthread: Don't allocate kthread_struct for init and umh
       fork: Pass struct kernel_clone_args into copy_thread
       fork: Explicity test for idle tasks in copy_thread
       fork: Generalize PF_IO_WORKER handling
       init: Deal with the init process being a user mode process
       fork: Explicitly set PF_KTHREAD
       fork: Stop allowing kthreads to call execve
       sched: Update task_tick_numa to ignore tasks without an mm
 
  arch/alpha/kernel/process.c      | 13 ++++++------
  arch/arc/kernel/process.c        | 13 ++++++------
  arch/arm/kernel/process.c        | 12 ++++++-----
  arch/arm64/kernel/process.c      | 12 ++++++-----
  arch/csky/kernel/process.c       | 15 ++++++-------
  arch/h8300/kernel/process.c      | 10 ++++-----
  arch/hexagon/kernel/process.c    | 12 ++++++-----
  arch/ia64/kernel/process.c       | 15 +++++++------
  arch/m68k/kernel/process.c       | 12 ++++++-----
  arch/microblaze/kernel/process.c | 12 ++++++-----
  arch/mips/kernel/process.c       | 13 ++++++------
  arch/nios2/kernel/process.c      | 12 ++++++-----
  arch/openrisc/kernel/process.c   | 12 ++++++-----
  arch/parisc/kernel/process.c     | 18 +++++++++-------
  arch/powerpc/kernel/process.c    | 15 +++++++------
  arch/riscv/kernel/process.c      | 12 ++++++-----
  arch/s390/kernel/process.c       | 12 ++++++-----
  arch/sh/kernel/process_32.c      | 12 ++++++-----
  arch/sparc/kernel/process_32.c   | 12 ++++++-----
  arch/sparc/kernel/process_64.c   | 12 ++++++-----
  arch/um/kernel/process.c         | 15 +++++++------
  arch/x86/include/asm/fpu/sched.h |  2 +-
  arch/x86/include/asm/switch_to.h |  8 +++----
  arch/x86/kernel/fpu/core.c       |  4 ++--
  arch/x86/kernel/process.c        | 18 +++++++++-------
  arch/xtensa/kernel/process.c     | 17 ++++++++-------
  fs/exec.c                        |  8 ++++---
  include/linux/sched/task.h       |  8 +++++--
  init/initramfs.c                 |  2 ++
  init/main.c                      |  2 +-
  kernel/fork.c                    | 46 +++++++++++++++++++++++++++++++++-------
  kernel/sched/fair.c              |  2 +-
  kernel/umh.c                     |  6 +++---
  33 files changed, 234 insertions(+), 160 deletions(-)
 
 Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Merge tag 'kthread-cleanups-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

Pull kthread updates from Eric Biederman:
 "This updates init and user mode helper tasks to be ordinary user mode
  tasks.

  Commit 40966e316f86 ("kthread: Ensure struct kthread is present for
  all kthreads") caused init and the user mode helper threads that call
  kernel_execve to have struct kthread allocated for them. This struct
  kthread going away during execve in turned made a use after free of
  struct kthread possible.

  Here, commit 343f4c49f243 ("kthread: Don't allocate kthread_struct for
  init and umh") is enough to fix the use after free and is simple
  enough to be backportable.

  The rest of the changes pass struct kernel_clone_args to clean things
  up and cause the code to make sense.

  In making init and the user mode helpers tasks purely user mode tasks
  I ran into two complications. The function task_tick_numa was
  detecting tasks without an mm by testing for the presence of
  PF_KTHREAD. The initramfs code in populate_initrd_image was using
  flush_delayed_fput to ensuere the closing of all it's file descriptors
  was complete, and flush_delayed_fput does not work in a userspace
  thread.

  I have looked and looked and more complications and in my code review
  I have not found any, and neither has anyone else with the code
  sitting in linux-next"

* tag 'kthread-cleanups-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  sched: Update task_tick_numa to ignore tasks without an mm
  fork: Stop allowing kthreads to call execve
  fork: Explicitly set PF_KTHREAD
  init: Deal with the init process being a user mode process
  fork: Generalize PF_IO_WORKER handling
  fork: Explicity test for idle tasks in copy_thread
  fork: Pass struct kernel_clone_args into copy_thread
  kthread: Don't allocate kthread_struct for init and umh
2022-06-03 16:03:05 -07:00
Linus Torvalds
21873bd66b arm64 fixes for 5.19-rc1:
- Initialise jump labels before setup_machine_fdt(), needed by commit
   f5bda35fba61 ("random: use static branch for crng_ready()").
 
 - Sparse warnings: missing prototype, incorrect __user annotation.
 
 - Skip SVE kselftest if not sufficient vector lengths supported.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:
 "Most of issues addressed were introduced during this merging window.

   - Initialise jump labels before setup_machine_fdt(), needed by commit
     f5bda35fba61 ("random: use static branch for crng_ready()").

   - Sparse warnings: missing prototype, incorrect __user annotation.

   - Skip SVE kselftest if not sufficient vector lengths supported"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  kselftest/arm64: signal: Skip SVE signal test if not enough VLs supported
  arm64: Initialize jump labels before setup_machine_fdt()
  arm64: hibernate: Fix syntax errors in comments
  arm64: Remove the __user annotation for the restore_za_context() argument
  ftrace/fgraph: fix increased missing-prototypes warnings
2022-06-03 14:05:34 -07:00
Linus Torvalds
54c2cc7919 USB / Thunderbolt changes for 5.19-rc1
Here is the "big" set of USB and Thunderbolt driver changes for
 5.18-rc1.  For the most part it's been a quiet development cycle for the
 USB core, but there are the usual "hot spots" of development activity.
 
 Included in here are:
 	- Thunderbolt driver updates:
 		- fixes for devices without displayport adapters
 		- lane bonding support and improvements
 		- other minor changes based on device testing
 	- dwc3 gadget driver changes.  It seems this driver will never
 	  be finished given that the IP core is showing up in zillions
 	  of new devices and each implementation decides to do something
 	  different with it...
 	- uvc gadget driver updates as more devices start to use and
 	  rely on this hardware as well
 	- usb_maxpacket() api changes to remove an unneeded and unused
 	  parameter.
 	- usb-serial driver device id updates and small cleanups
 	- typec cleanups and fixes based on device testing
 	- device tree updates for usb properties
 	- lots of other small fixes and driver updates.
 
 All of these have been in linux-next for weeks with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the "big" set of USB and Thunderbolt driver changes for
  5.18-rc1. For the most part it's been a quiet development cycle for
  the USB core, but there are the usual "hot spots" of development
  activity.

  Included in here are:

   - Thunderbolt driver updates:
       - fixes for devices without displayport adapters
       - lane bonding support and improvements
       - other minor changes based on device testing

   - dwc3 gadget driver changes.

     It seems this driver will never be finished given that the IP core
     is showing up in zillions of new devices and each implementation
     decides to do something different with it...

   - uvc gadget driver updates as more devices start to use and rely on
     this hardware as well

   - usb_maxpacket() api changes to remove an unneeded and unused
     parameter.

   - usb-serial driver device id updates and small cleanups

   - typec cleanups and fixes based on device testing

   - device tree updates for usb properties

   - lots of other small fixes and driver updates.

  All of these have been in linux-next for weeks with no reported
  problems"

* tag 'usb-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (154 commits)
  USB: new quirk for Dell Gen 2 devices
  usb: dwc3: core: Add error log when core soft reset failed
  usb: dwc3: gadget: Move null pinter check to proper place
  usb: hub: Simplify error and success path in port_over_current_notify
  usb: cdns3: allocate TX FIFO size according to composite EP number
  usb: dwc3: Fix ep0 handling when getting reset while doing control transfer
  usb: Probe EHCI, OHCI controllers asynchronously
  usb: isp1760: Fix out-of-bounds array access
  xhci: Don't defer primary roothub registration if there is only one roothub
  USB: serial: option: add Quectel BG95 modem
  USB: serial: pl2303: fix type detection for odd device
  xhci: Allow host runtime PM as default for Intel Alder Lake N xHCI
  xhci: Remove quirk for over 10 year old evaluation hardware
  xhci: prevent U2 link power state if Intel tier policy prevented U1
  xhci: use generic command timer for stop endpoint commands.
  usb: host: xhci-plat: omit shared hcd if either root hub has no ports
  usb: host: xhci-plat: prepare operation w/o shared hcd
  usb: host: xhci-plat: create shared hcd after having added main hcd
  xhci: prepare for operation w/o shared hcd
  xhci: factor out parts of xhci_gen_setup()
  ...
2022-06-03 11:17:49 -07:00
Linus Torvalds
09a018176b ARM: SoC changes, part 2
This is the second part of the general SoC updates, containing
 everything that did not make it in the initial pull request,
 or that came in as a bugfix later.
 
  - Devicetree updates for SoCFPGA, ASPEED, AT91 and Rockchip, including
    a new machine using an ASPEED BMC.
 
  - More DT fixes from Krzysztof Kozlowski across platforms
 
  - A new SoC platform for the GXP baseboard management controller,
    used in current server products from HPE.
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Merge tag 'arm-late-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull more ARM SoC updates from Arnd Bergmann:
 "This is the second part of the general SoC updates, containing
  everything that did not make it in the initial pull request, or that
  came in as a bugfix later.

   - Devicetree updates for SoCFPGA, ASPEED, AT91 and Rockchip,
     including a new machine using an ASPEED BMC.

   - More DT fixes from Krzysztof Kozlowski across platforms

   - A new SoC platform for the GXP baseboard management controller,
     used in current server products from HPE"

* tag 'arm-late-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (56 commits)
  ARM: configs: Enable more audio support for i.MX
  tee: optee: Pass a pointer to virt_addr_valid()
  arm64: dts: rockchip: rename Quartz64-A bluetooth gpios
  arm64: dts: rockchip: add clocks property to cru node rk3368
  arm64: dts: rockchip: add clocks property to cru node rk3308
  arm64: dts: rockchip: add clocks to rk356x cru
  ARM: dts: rockchip: add clocks property to cru node rk3228
  ARM: dts: rockchip: add clocks property to cru node rk3036
  ARM: dts: rockchip: add clocks property to cru node rk3066a/rk3188
  ARM: dts: rockchip: add clocks property to cru node rk3288
  ARM: dts: rockchip: Remove "amba" bus nodes from rv1108
  ARM: dts: rockchip: add clocks property to cru node rv1108
  arm64: dts: sprd: use new 'dma-channels' property
  ARM: dts: da850: use new 'dma-channels' property
  ARM: dts: pxa: use new 'dma-channels/requests' properties
  soc: ixp4xx/qmgr: Fix unused match warning
  ARM: ep93xx: Make ts72xx_register_flash() static
  ARM: configs: enable support for Kontron KSwitch D10
  ep93xx: clock: Do not return the address of the freed memory
  arm64: dts: intel: add device tree for n6000
  ...
2022-06-02 15:27:44 -07:00
Stephen Boyd
73e2d827a5 arm64: Initialize jump labels before setup_machine_fdt()
A static key warning splat appears during early boot on arm64 systems
that credit randomness from devicetrees that contain an "rng-seed"
property. This is because setup_machine_fdt() is called before
jump_label_init() during setup_arch(). Let's swap the order of these two
calls so that jump labels are initialized before the devicetree is
unflattened and the rng seed is credited.

 static_key_enable_cpuslocked(): static key '0xffffffe51c6fcfc0' used before call to jump_label_init()
 WARNING: CPU: 0 PID: 0 at kernel/jump_label.c:166 static_key_enable_cpuslocked+0xb0/0xb8
 Modules linked in:
 CPU: 0 PID: 0 Comm: swapper Not tainted 5.18.0+ #224 44b43e377bfc84bc99bb5ab885ff694984ee09ff
 pstate: 600001c9 (nZCv dAIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
 pc : static_key_enable_cpuslocked+0xb0/0xb8
 lr : static_key_enable_cpuslocked+0xb0/0xb8
 sp : ffffffe51c393cf0
 x29: ffffffe51c393cf0 x28: 000000008185054c x27: 00000000f1042f10
 x26: 0000000000000000 x25: 00000000f10302b2 x24: 0000002513200000
 x23: 0000002513200000 x22: ffffffe51c1c9000 x21: fffffffdfdc00000
 x20: ffffffe51c2f0831 x19: ffffffe51c6fcfc0 x18: 00000000ffff1020
 x17: 00000000e1e2ac90 x16: 00000000000000e0 x15: ffffffe51b710708
 x14: 0000000000000066 x13: 0000000000000018 x12: 0000000000000000
 x11: 0000000000000000 x10: 00000000ffffffff x9 : 0000000000000000
 x8 : 0000000000000000 x7 : 61632065726f6665 x6 : 6220646573752027
 x5 : ffffffe51c641d25 x4 : ffffffe51c13142c x3 : ffff0a00ffffff05
 x2 : 40000000ffffe003 x1 : 00000000000001c0 x0 : 0000000000000065
 Call trace:
  static_key_enable_cpuslocked+0xb0/0xb8
  static_key_enable+0x2c/0x40
  crng_set_ready+0x24/0x30
  execute_in_process_context+0x80/0x90
  _credit_init_bits+0x100/0x154
  add_bootloader_randomness+0x64/0x78
  early_init_dt_scan_chosen+0x140/0x184
  early_init_dt_scan_nodes+0x28/0x4c
  early_init_dt_scan+0x40/0x44
  setup_machine_fdt+0x7c/0x120
  setup_arch+0x74/0x1d8
  start_kernel+0x84/0x44c
  __primary_switched+0xc0/0xc8
 ---[ end trace 0000000000000000 ]---
 random: crng init done
 Machine model: Google Lazor (rev1 - 2) with LTE

Cc: Hsin-Yi Wang <hsinyi@chromium.org>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Fixes: f5bda35fba61 ("random: use static branch for crng_ready()")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
Link: https://lore.kernel.org/r/20220602022109.780348-1-swboyd@chromium.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-06-02 20:22:48 +01:00
Xiang wangx
189129aecb arm64: hibernate: Fix syntax errors in comments
Delete the redundant word 'to'.

Signed-off-by: Xiang wangx <wangxiang@cdjrlc.com>
Link: https://lore.kernel.org/r/20220602180228.4259-1-wangxiang@cdjrlc.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-06-02 20:16:22 +01:00
Catalin Marinas
1bec877bdb arm64: Remove the __user annotation for the restore_za_context() argument
The struct user_ctx *user pointer passed to restore_za_context() is not
a user point but a structure containing several __user pointers. Remove
the __user annotation.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Fixes: 39782210eb7e ("arm64/sme: Implement ZA signal handling")
Reported-by: kernel test robot <lkp@intel.com>
Cc: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220601171338.2143625-1-catalin.marinas@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-06-02 11:55:29 +01:00