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One board version (dk01.1-c1) didn't have set device compatible,
so let's list it.
Signed-off-by: David Heidelberg <david@ixit.cz>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211009193102.76852-1-david@ixit.cz
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In order to avoid having prefixes for multiple internal divisions of LG
use the "lg" prefix instead of "lge".
Fixes: ad3f04b7bef6 ("ARM: dts: qcom: Add support for LG G Watch R")
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210928203815.77175-2-luca@z3ntu.xyz
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In order to avoid having prefixes for multiple internal divisions of LG
use the "lg" prefix instead of "lge".
Fixes: 21f3cbf693b0 ("dt-bindings: arm: qcom: Document APQ8026 SoC binding")
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Acked-by: David Heidelberg <david@ixit.cz>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210928203815.77175-1-luca@z3ntu.xyz
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'#clock-cells' is a required property of QMP PHY child node, not itself.
Drop it to fix the dtbs_check warnings below.
qcom-sdx55-t55.dt.yaml: phy@ff6000: '#clock-cells' does not match any of the regexes: '^phy@[0-9a-f]+$', 'pinctrl-[0-9]+'
qcom-sdx55-mtp.dt.yaml: phy@ff6000: '#clock-cells' does not match any of the regexes: '^phy@[0-9a-f]+$', 'pinctrl-[0-9]+'
qcom-sdx55-telit-fn980-tlb.dt.yaml: phy@ff6000: '#clock-cells' does not match any of the regexes: '^phy@[0-9a-f]+$', 'pinctrl-[0-9]+'
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210929034253.24570-11-shawn.guo@linaro.org
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Add qcom,msm-id and qcom,board-id for Robotics Board RB5.
This will help us boot the device with newer Android boot
image header versions, which package dtb separately
instead of the default Image.gz-dtb (appended dtb) format.
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210930185742.117928-2-amit.pundir@linaro.org
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Add qcom,msm-id and qcom,board-id for Dragonboard 845c.
This will help us boot the device with newer Android boot
image header versions, which package dtb separately
instead of the default Image.gz-dtb (appended dtb) format.
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210930185742.117928-1-amit.pundir@linaro.org
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Almost any board that boots and has a way to interact with it
(say for the rare cases of just-pstore or let's-rely-on-bootloader-setup)
needs to set some GPIOs, so it makes no sense to include gpio.h separately
each time. Hence move it to SoC DTSI.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211002001358.45920-6-konrad.dybcio@somainline.org
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Add the aforementioned properties in the SoC DTSI so that everybody doesn't
have to copy that into their device DTs, effectively reducing code
duplication.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211002001358.45920-5-konrad.dybcio@somainline.org
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DPU/MDSS is borderline useless without MDP, so disabling
both of them makes little sense. With this change, enabling
mdss will be enough.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211002001358.45920-4-konrad.dybcio@somainline.org
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Components that rely on proprietary (not to mention signed!) firmware should
not be enabled by default, as lack of the aforementioned firmware could cause
various issues, from random errors to straight-up failing to boot.
Re-enable these remote processors on boards that didn't previously explicitly
disable them.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Tested-By: Steev Klimaszewski <steev@kali.org>
[bjorn: Added missing changes to db845c and lenovo-yoga-c630 to the patch]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211002001358.45920-3-konrad.dybcio@somainline.org
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Add the missing XO clock to the SDHCI controller.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211002001358.45920-2-konrad.dybcio@somainline.org
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After adding all necessary support for MSM8916 SMP/cpuidle without PSCI
on ARM32, build the Samsung Galaxy S4 Mini VE device tree from the arm64
tree together with the ARM32 include to allow booting this device on ARM32.
The approach to include device tree files from other architectures is
inspired from e.g. the Raspberry Pi (bcm2711-rpi-4-b.dts) where this is
used to build the device tree for both ARM32 and ARM64.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004204955.21077-15-stephan@gerhold.net
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Add a special device tree include for MSM8916 on ARM32 that sets up
SMP and cpuidle without PSCI. This is meant for devices with signed
firmware that does not support PSCI and only allows booting ARM32 kernels.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004204955.21077-14-stephan@gerhold.net
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Add the device tree nodes necessary for SMP bring-up and cpuidle
without PSCI on ARM32. The hardware is typically controlled by the
PSCI implementation in the TrustZone firmware and is therefore marked
as status = "reserved" by default (from the device tree specification):
"Indicates that the device is operational, but should not be used.
Typically this is used for devices that are controlled by another
software component, such as platform firmware."
Since this is part of the MSM8916 SoC it should be added to msm8916.dtsi
but in practice these nodes should only get enabled via an extra include
on ARM32.
This is necessary for some devices with signed firmware which is missing
both ARM64 and PSCI support and can therefore only boot ARM32 kernels.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004204955.21077-13-stephan@gerhold.net
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Add a CONFIG_ARCH_MSM8916 option to enable building MSM8916 support
on ARM32. Note that since ARM64 is the main supported architecture
for MSM8916 this is only intended for testing and for devices where
signed firmware does not allow booting ARM64 kernels.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004204955.21077-7-stephan@gerhold.net
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The LTE version of the S4 Mini VE has a NXP PN547, which is supported
by the nxp-nci-i2c driver in mainline. It seems to detect NFC tags
using "nfctool" just fine, although more testing is difficult given
there seem to be very few useful applications making use of the
Linux NFC subsystem. :(
Note that for some reason Samsung decided to connect the I2C pins
to GPIOs where no hardware I2C bus is available, so we need to
fall back to software bit-banging with i2c-gpio.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004201921.18526-7-stephan@gerhold.net
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Like the Samsung Galaxy A3/A5, the S4 Mini VE uses a Richtek RT5033 PMIC
as battery fuel gauge, charger, flash LED and for some regulators.
For now, only add the fuel gauge/battery device to the device tree,
so we can check the remaining battery percentage.
The other RT5033 drivers need some more work first before
they can be used properly.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004201921.18526-6-stephan@gerhold.net
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Add the STMicroelectronics LSM6DS3 IMU that is used in the S4 Mini VE
to the device tree.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004201921.18526-5-stephan@gerhold.net
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Add the CORERIVER TC360 touch key together with the two necessary
fixed regulators for it.
Note that for some reason Samsung decided to connect this to GPIOs
where no hardware I2C bus is available, so we need to fall back
to software bit-banging using i2c-gpio.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004201921.18526-4-stephan@gerhold.net
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Like msm8916-samsung-a3u-eur, the S4 Mini VE uses a Zinitix BT541
touch screen. Add it together with the necessary fixed-regulator
to the device tree.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004201921.18526-3-stephan@gerhold.net
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The Samsung Galaxy S4 Mini Value Edition is an updated version of the
original S4 Mini based on MSM8916. It is similar to the other Samsung
devices based on MSM8916 with only a few minor differences.
The device tree contains initial support for the S4 Mini Value Edition with:
- UART
- eMMC/SD card (needs quirk for some reason)
- Buttons
- Vibrator
- WiFi/Bluetooth (WCNSS)
- USB
Unfortunately, the S4 Mini VE was released with outdated 32-bit only
firmware and never received any update from Samsung. Since the 32-bit
TrustZone firmware is signed there seems to be no way currently to
actually boot this device tree on arm64 Linux at the moment. :(
However, it is possible to use this device tree by compiling an ARM32 kernel
instead. The device tree can be easily built on ARM32 with an #include
and it works really well there. To avoid confusion for others it is still
better to add this device tree on arm64. Otherwise it's easy to forget
to update this one when making some changes that affect all MSM8916 devices.
Maybe someone finds a way to boot ARM64 Linux on this device at some point.
In this case I expect that this device tree can be simply used as-is.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004201921.18526-2-stephan@gerhold.net
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Specify unit address for the memory node, to match the reg.
Signed-off-by: David Heidelberg <david@ixit.cz>
[bjorn: Rewrote commit message]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211020234431.298310-1-david@ixit.cz
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Add device tree for the Fairphone 4 smartphone which is based on
Snapdragon 750G (sm7225) which is basically sm6350.
Currently supported are UART, physical buttons (power & volume), screen
(based on simple-framebuffer set up by the bootloader), regulators and
USB.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211007212444.328034-12-luca@z3ntu.xyz
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The Snapdragon 750G (sm7225) is software-wise very similar to Snapdragon
690 (sm6350) with minor differences in clock speeds and as added here,
it uses the Kryo 570 instead of Kryo 560.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211007212444.328034-11-luca@z3ntu.xyz
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Add binding documentation for Fairphone 4 smartphone which is based on
Snapdragon 750G (sm7225).
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211007212444.328034-10-luca@z3ntu.xyz
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Document Kryo 570 CPUs found in Qualcomm Snapdragon 750G (SM7225).
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211007212444.328034-9-luca@z3ntu.xyz
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Add the necessary nodes for the debug uart on SM6350.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211007212444.328034-8-luca@z3ntu.xyz
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PM6350 is used in SM6350 and provides similar functionality to other
Qualcomm PMICs.
Add the pon node with power & volume key and the gpios.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211007212444.328034-7-luca@z3ntu.xyz
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Enable two of the remoteprocs found on SA8155p platform - 'audio and
compute'. Also specify firmware path for them.
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210928140929.2549459-3-bhupesh.sharma@linaro.org
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Add fastrpc nodes for sDSP, cDSP, and aDSP.
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210928140929.2549459-2-bhupesh.sharma@linaro.org
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Add fastrpc nodes for sDSP, cDSP, and aDSP.
Signed-off-by: Ola Jeppsson <ola@snap.com>
Acked-by: Heinrich Fink <hfink@snap.com>
Acked-by: Olivier Schonken <oschonken@snapchat.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211018085017.1549494-1-ola@snap.com
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git://git.kernel.org/pub/scm/linux/kernel/git/joel/bmc into arm/dt
ASPEED device tree updates for 5.16, round 2
- New machines:
* Inventec Transformers, an x86 family server with an AST2600 BMC
- Updates to the Everest and Rainier sensors, gpios and KCS devices
- New UART routing device tree description
* tag 'aspeed-5.16-devicetree-2' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/bmc:
ARM: dts: aspeed: Add uart routing to device tree
ARM: dts: aspeed: rainier: Enable earlycon
ARM: dts: aspeed: rainier: Add front panel LEDs
ARM: dts: aspeed: rainier: Add 'factory-reset-toggle' as GPIOF6
ARM: dts: aspeed: rainier: Remove PSU gpio-keys
ARM: dts: aspeed: rainier: Remove gpio hog for GPIOP7
ARM: dts: aspeed: rainier: Add eeprom on bus 12
ARM: dts: aspeed: p10bmc: Enable KCS channel 2
ARM: dts: aspeed: p10bmc: Use KCS 3 for MCTP binding
ARM: dts: aspeed: Adding Inventec Transformers BMC
ARM: dts: aspeed: everest: Fix bus 15 muxed eeproms
ARM: dts: aspeed: everest: Add IBM Operation Panel I2C device
ARM: dts: aspeed: everest: Add I2C switch on bus 8
ARM: dts: aspeed: rainier and everest: Remove PCA gpio specification
ARM: dts: aspeed: p10bmc: Fix ADC iio-hwmon battery node name
Link: https://lore.kernel.org/r/CACPK8Xd=eAMk-S3akhGgL4i_K190Nz9t=_CrdHQMJ+nbW172mg@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Add support for the Mercury+ AA1 module for Arria 10 SoC FPGA.
Signed-off-by: Paweł Anikiel <pan@semihalf.com>
Signed-off-by: Joanna Brozek <jbrozek@antmicro.com>
Signed-off-by: Mariusz Glebocki <mglebocki@antmicro.com>
Signed-off-by: Tomasz Gorochowik <tgorochowik@antmicro.com>
Signed-off-by: Maciej Mikunda <mmikunda@antmicro.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20211021151736.2096926-2-pan@semihalf.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The spear13xx PCI 'interrupt-map' property is not parse-able.
'#interrupt-cells' is missing and there are 3 #address-cells. Based on the
driver, the only supported interrupt is for MSI. Therefore, 'interrupt-map'
is not needed.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Shiraz Hashim <shiraz.linux.kernel@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20211022141156.2592221-1-robh@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Use blocks 0 and 1 of TCB0 for clocksource and clockevent functionality.
PIT64B is already enabled on SAMA7G5 targets for this but TCB0 will be
used as a fallback only in case PIT64B will fail to probe.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20211020094656.3343242-4-claudiu.beznea@microchip.com
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Add TCB nodes.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20211020094656.3343242-3-claudiu.beznea@microchip.com
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Add RTC node.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
[claudiu.beznea: add sama7g5 compatible as the IP has 2 extra registers
compared with sam9x60]
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20211020094656.3343242-2-claudiu.beznea@microchip.com
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Add LPC uart routing to the device tree for Aspeed SoCs.
Signed-off-by: Oskar Senft <osk@google.com>
Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com>
Tested-by: Lei YU <yulei.sh@bytedance.com>
Link: https://lore.kernel.org/r/20210927023053.6728-6-chiawei_wang@aspeedtech.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Rainier was missed when enabling all of the other machines in
commit 239566b032f3 ("ARM: dts: aspeed: Set earlycon boot argument").
Signed-off-by: Joel Stanley <joel@jms.id.au>
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These were meant to be part of commit 4fb27b3f9176 ("ARM: dts: aspeed:
rainier: Add system LEDs") but went missing.
Signed-off-by: Joel Stanley <joel@jms.id.au>
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The state of this GPIO determines whether a factory reset has been
requested. If a physical switch is used, it can be high or low. During boot,
the software checks and records the state of this switch. If it is different
than the previous recorded state, then the read-write portions of memory are
reformatted.
Signed-off-by: Isaac Kurth <isaac.kurth@ibm.com>
Reviewed-by: Adriana Kobylak <anoo@us.ibm.com>
Link: https://lore.kernel.org/r/20210714214741.1547052-1-blisaac91@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Remove the gpio-keys entries for the power supply presence lines from
the Rainier device tree. The user space applications are going to change
from using libevdev to libgpiod.
Signed-off-by: B. J. Wyman <bjwyman@gmail.com>
Link: https://lore.kernel.org/r/20210623230401.3050076-1-bjwyman@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Only the pass 1 Ingraham board (Rainier system) had a micro-controller
wired to GPIOP7 on ball Y23. Pass 2 boards have this ball wired to the
heartbeat LED, so remove the hog as this device tree supports pass 2.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20210915214738.34382-5-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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The devicetree was missing an eeprom.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20210915214738.34382-4-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Rainier uses KCS channel 2 as the source for the debug-trigger
application outlined at [1] and implemented at [2].
[1] https://github.com/openbmc/docs/blob/master/designs/bmc-service-failure-debug-and-recovery.md
[2] https://github.com/openbmc/debug-trigger
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20210623033854.587464-8-andrew@aj.id.au
Signed-off-by: Joel Stanley <joel@jms.id.au>
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The MCTP LPC driver was loaded by hacking up the compatible in the
devicetree node for KCS 4. With the introduction of the raw KCS driver
this hack is no-longer required. Use the regular compatible string for
KCS 4 and configure the appropriate SerIRQ.
The reset state of the status bits on KCS 4 is inappropriate for the
MCTP LPC binding. Switch to KCS 3 which has a different reset behaviour.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Initial introduction of Inventec Transformers x86 family equipped with
AST2600 BMC SoC.
Signed-off-by: Tommy Lin <Lin.TommySC@inventec.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/7d7b20575f994a3c9018223a3c5f198d@inventec.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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The eeproms on bus 15 muxes were at the wrong addresses.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20211020215321.33960-6-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Set I2C bus 14 to multi-master mode and add the panel device that will
register the I2C controller as a slave device.
In addition, in early Everest systems, the panel device was behind an
I2C switch, which doesn't work for slave mode. Get it working (albeit
unreliably, since a master transaction might switch the switch at any
moment) by defaulting the switch channel to the one with the panel.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20211020215321.33960-5-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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The switch controls two busses containing some VRMs.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20211020215321.33960-4-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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