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We don't need to register smi_common as syscon. Also add required
property power-domains for this node.
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210601040014.2970805-1-hsinyi@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Fennel is known as Lenovo IdeaPad Flex 3 Chromebook.
Fennel14 is known as Lenovo IdeaPad 3 Chromebook.
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Link: https://lore.kernel.org/r/20210421090601.730744-11-hsinyi@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Kenzo is known as Acer Chromebook 311.
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210421090601.730744-10-hsinyi@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Burnet is known as HP Chromebook x360 11MK G3 EE
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210421090601.730744-9-hsinyi@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Willow is known as Acer Chromebook 311 (C722/C722T)
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210421090601.730744-8-hsinyi@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Kappa is known as HP Chromebook 11a
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210421090601.730744-7-hsinyi@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Add node for the MT8167's IOMMU.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20210406113631.2675029-2-fparent@baylibre.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Add larb nodes for MT8167:
* larb0 is used for display (dsi and hdmi)
* larb1 is used for camera (csi)
* larb2 is used for the video hardware decoder
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20210406113631.2675029-1-fparent@baylibre.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Add the smi_common node.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20210405200821.2203458-2-fparent@baylibre.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Add node for MMSYS.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20210405200821.2203458-1-fparent@baylibre.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Add support for the MT8167 power domains.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20210405172836.2038526-1-fparent@baylibre.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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There are two separate hardware encoder blocks inside MT8173.
Split the current mtk-vcodec-enc node to match the hardware architecture.
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Signed-off-by: Maoguang Meng <maoguang.meng@mediatek.com>
Signed-off-by: Irui Wang <irui.wang@mediatek.com>
Acked-by: Tiffany Lin <tiffany.lin@mediatek.com>
Link: https://lore.kernel.org/r/20210325122625.15100-2-irui.wang@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This adds support for the PWM controller found on Toshiba Visconti
SoCs and converts a couple of drivers to the atomic API.
There's also a bunch of cleanups and minor fixes across the board"
* tag 'pwm/for-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (35 commits)
pwm: Reword docs about pwm_apply_state()
pwm: atmel: Improve duty cycle calculation in .apply()
pwm: atmel: Fix duty cycle calculation in .get_state()
pwm: visconti: Add Toshiba Visconti SoC PWM support
dt-bindings: pwm: Add bindings for Toshiba Visconti PWM Controller
arm64: dts: rockchip: Remove clock-names from PWM nodes
ARM: dts: rockchip: Remove clock-names from PWM nodes
dt-bindings: pwm: rockchip: Add more compatible strings
dt-bindings: pwm: Convert pwm-rockchip.txt to YAML
pwm: mediatek: Remove unused function
pwm: pca9685: Improve runtime PM behavior
pwm: pca9685: Support hardware readout
pwm: pca9685: Switch to atomic API
pwm: lpss: Don't modify HW state in .remove callback
pwm: sti: Free resources only after pwmchip_remove()
pwm: sti: Don't modify HW state in .remove callback
pwm: lpc3200: Don't modify HW state in .remove callback
pwm: lpc18xx-sct: Free resources only after pwmchip_remove()
pwm: bcm-kona: Don't modify HW state in .remove callback
pwm: bcm2835: Free resources only after pwmchip_remove()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core:
- bpf:
- allow bpf programs calling kernel functions (initially to
reuse TCP congestion control implementations)
- enable task local storage for tracing programs - remove the
need to store per-task state in hash maps, and allow tracing
programs access to task local storage previously added for
BPF_LSM
- add bpf_for_each_map_elem() helper, allowing programs to walk
all map elements in a more robust and easier to verify fashion
- sockmap: support UDP and cross-protocol BPF_SK_SKB_VERDICT
redirection
- lpm: add support for batched ops in LPM trie
- add BTF_KIND_FLOAT support - mostly to allow use of BTF on
s390 which has floats in its headers files
- improve BPF syscall documentation and extend the use of kdoc
parsing scripts we already employ for bpf-helpers
- libbpf, bpftool: support static linking of BPF ELF files
- improve support for encapsulation of L2 packets
- xdp: restructure redirect actions to avoid a runtime lookup,
improving performance by 4-8% in microbenchmarks
- xsk: build skb by page (aka generic zerocopy xmit) - improve
performance of software AF_XDP path by 33% for devices which don't
need headers in the linear skb part (e.g. virtio)
- nexthop: resilient next-hop groups - improve path stability on
next-hops group changes (incl. offload for mlxsw)
- ipv6: segment routing: add support for IPv4 decapsulation
- icmp: add support for RFC 8335 extended PROBE messages
- inet: use bigger hash table for IP ID generation
- tcp: deal better with delayed TX completions - make sure we don't
give up on fast TCP retransmissions only because driver is slow in
reporting that it completed transmitting the original
- tcp: reorder tcp_congestion_ops for better cache locality
- mptcp:
- add sockopt support for common TCP options
- add support for common TCP msg flags
- include multiple address ids in RM_ADDR
- add reset option support for resetting one subflow
- udp: GRO L4 improvements - improve 'forward' / 'frag_list'
co-existence with UDP tunnel GRO, allowing the first to take place
correctly even for encapsulated UDP traffic
- micro-optimize dev_gro_receive() and flow dissection, avoid
retpoline overhead on VLAN and TEB GRO
- use less memory for sysctls, add a new sysctl type, to allow using
u8 instead of "int" and "long" and shrink networking sysctls
- veth: allow GRO without XDP - this allows aggregating UDP packets
before handing them off to routing, bridge, OvS, etc.
- allow specifing ifindex when device is moved to another namespace
- netfilter:
- nft_socket: add support for cgroupsv2
- nftables: add catch-all set element - special element used to
define a default action in case normal lookup missed
- use net_generic infra in many modules to avoid allocating
per-ns memory unnecessarily
- xps: improve the xps handling to avoid potential out-of-bound
accesses and use-after-free when XPS change race with other
re-configuration under traffic
- add a config knob to turn off per-cpu netdev refcnt to catch
underflows in testing
Device APIs:
- add WWAN subsystem to organize the WWAN interfaces better and
hopefully start driving towards more unified and vendor-
independent APIs
- ethtool:
- add interface for reading IEEE MIB stats (incl. mlx5 and bnxt
support)
- allow network drivers to dump arbitrary SFP EEPROM data,
current offset+length API was a poor fit for modern SFP which
define EEPROM in terms of pages (incl. mlx5 support)
- act_police, flow_offload: add support for packet-per-second
policing (incl. offload for nfp)
- psample: add additional metadata attributes like transit delay for
packets sampled from switch HW (and corresponding egress and
policy-based sampling in the mlxsw driver)
- dsa: improve support for sandwiched LAGs with bridge and DSA
- netfilter:
- flowtable: use direct xmit in topologies with IP forwarding,
bridging, vlans etc.
- nftables: counter hardware offload support
- Bluetooth:
- improvements for firmware download w/ Intel devices
- add support for reading AOSP vendor capabilities
- add support for virtio transport driver
- mac80211:
- allow concurrent monitor iface and ethernet rx decap
- set priority and queue mapping for injected frames
- phy: add support for Clause-45 PHY Loopback
- pci/iov: add sysfs MSI-X vector assignment interface to distribute
MSI-X resources to VFs (incl. mlx5 support)
New hardware/drivers:
- dsa: mv88e6xxx: add support for Marvell mv88e6393x - 11-port
Ethernet switch with 8x 1-Gigabit Ethernet and 3x 10-Gigabit
interfaces.
- dsa: support for legacy Broadcom tags used on BCM5325, BCM5365 and
BCM63xx switches
- Microchip KSZ8863 and KSZ8873; 3x 10/100Mbps Ethernet switches
- ath11k: support for QCN9074 a 802.11ax device
- Bluetooth: Broadcom BCM4330 and BMC4334
- phy: Marvell 88X2222 transceiver support
- mdio: add BCM6368 MDIO mux bus controller
- r8152: support RTL8153 and RTL8156 (USB Ethernet) chips
- mana: driver for Microsoft Azure Network Adapter (MANA)
- Actions Semi Owl Ethernet MAC
- can: driver for ETAS ES58X CAN/USB interfaces
Pure driver changes:
- add XDP support to: enetc, igc, stmmac
- add AF_XDP support to: stmmac
- virtio:
- page_to_skb() use build_skb when there's sufficient tailroom
(21% improvement for 1000B UDP frames)
- support XDP even without dedicated Tx queues - share the Tx
queues with the stack when necessary
- mlx5:
- flow rules: add support for mirroring with conntrack, matching
on ICMP, GTP, flex filters and more
- support packet sampling with flow offloads
- persist uplink representor netdev across eswitch mode changes
- allow coexistence of CQE compression and HW time-stamping
- add ethtool extended link error state reporting
- ice, iavf: support flow filters, UDP Segmentation Offload
- dpaa2-switch:
- move the driver out of staging
- add spanning tree (STP) support
- add rx copybreak support
- add tc flower hardware offload on ingress traffic
- ionic:
- implement Rx page reuse
- support HW PTP time-stamping
- octeon: support TC hardware offloads - flower matching on ingress
and egress ratelimitting.
- stmmac:
- add RX frame steering based on VLAN priority in tc flower
- support frame preemption (FPE)
- intel: add cross time-stamping freq difference adjustment
- ocelot:
- support forwarding of MRP frames in HW
- support multiple bridges
- support PTP Sync one-step timestamping
- dsa: mv88e6xxx, dpaa2-switch: offload bridge port flags like
learning, flooding etc.
- ipa: add IPA v4.5, v4.9 and v4.11 support (Qualcomm SDX55, SM8350,
SC7280 SoCs)
- mt7601u: enable TDLS support
- mt76:
- add support for 802.3 rx frames (mt7915/mt7615)
- mt7915 flash pre-calibration support
- mt7921/mt7663 runtime power management fixes"
* tag 'net-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2451 commits)
net: selftest: fix build issue if INET is disabled
net: netrom: nr_in: Remove redundant assignment to ns
net: tun: Remove redundant assignment to ret
net: phy: marvell: add downshift support for M88E1240
net: dsa: ksz: Make reg_mib_cnt a u8 as it never exceeds 255
net/sched: act_ct: Remove redundant ct get and check
icmp: standardize naming of RFC 8335 PROBE constants
bpf, selftests: Update array map tests for per-cpu batched ops
bpf: Add batched ops support for percpu array
bpf: Implement formatted output helpers with bstr_printf
seq_file: Add a seq_bprintf function
sfc: adjust efx->xdp_tx_queue_count with the real number of initialized queues
net:nfc:digital: Fix a double free in digital_tg_recv_dep_req
net: fix a concurrency bug in l2tp_tunnel_register()
net/smc: Remove redundant assignment to rc
mpls: Remove redundant assignment to err
llc2: Remove redundant assignment to rc
net/tls: Remove redundant initialization of record
rds: Remove redundant assignment to nr_sig
dt-bindings: net: mdio-gpio: add compatible for microchip,mdio-smi0
...
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Rockchip DWMAC glue driver uses the phy node (phy-handle)
reset specifier, and not a "mac-phy" reset specifier.
Remove it.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Reviewed-by: David Wu <david.wu@rock-chips.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM Apple M1 platform support from Arnd Bergmann:
"The Apple M1 is the processor used it all current generation Apple
Macintosh computers. Support for this platform so far is rudimentary,
but it boots and can use framebuffer and serial console over a special
USB cable.
Support for several essential on-chip devices (USB, PCIe, IOMMU, NVMe)
is work in progress but was not ready in time.
A very detailed description of what works is in the commit message of
commit 1bb2fd3880d4 ("Merge tag 'm1-soc-bringup-v5' [..]") and on the
AsahiLinux wiki"
Link: https://lore.kernel.org/linux-arm-kernel/bdb18e9f-fcd7-1e31-2224-19c0e5090706@marcan.st/
* tag 'arm-apple-m1-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
asm-generic/io.h: Unbork ioremap_np() declaration
arm64: apple: Add initial Apple Mac mini (M1, 2020) devicetree
dt-bindings: display: Add apple,simple-framebuffer
arm64: Kconfig: Introduce CONFIG_ARCH_APPLE
irqchip/apple-aic: Add support for the Apple Interrupt Controller
dt-bindings: interrupt-controller: Add DT bindings for apple-aic
arm64: Move ICH_ sysreg bits from arm-gic-v3.h to sysreg.h
of/address: Add infrastructure to declare MMIO as non-posted
asm-generic/io.h: implement pci_remap_cfgspace using ioremap_np
arm64: Implement ioremap_np() to map MMIO as nGnRnE
docs: driver-api: device-io: Document ioremap() variants & access funcs
docs: driver-api: device-io: Document I/O access functions
asm-generic/io.h: Add a non-posted variant of ioremap()
arm64: arch_timer: Implement support for interrupt-names
dt-bindings: timer: arm,arch_timer: Add interrupt-names support
arm64: cputype: Add CPU implementor & types for the Apple M1 cores
dt-bindings: arm: cpus: Add apple,firestorm & icestorm compatibles
dt-bindings: arm: apple: Add bindings for Apple ARM platforms
dt-bindings: vendor-prefixes: Add apple prefix
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Pull ARM devicetree updates from Arnd Bergmann:
"There are six new SoCs added this time.
Apple M1 and Nuvoton WPCM450 have separate branches because they are
new SoC families that require changes outside of device tree files.
The other four are variations of already supported chips and get
merged through this branch:
- STMicroelectronics STM32H750 is one of many variants of STM32
microcontrollers based on the Cortex-M7 core.
This is particularly notable since we rarely add support for new
MMU-less chips these days. In this case, the board that gets added
along with the platform is not a SoC reference platform but the
"Art Pi" (https://art-pi.gitee.io/website/) machine that was
originally design for the RT-Thread RTOS.
- NXP i.MX8QuadMax is a variant of the growing i.MX8
embedded/industrial SoC family, using two Cortex-A72 and four
Cortex-A53 cores.
It gets added along with its reference board, the "NXP i.MX8QuadMax
Multisensory Enablement Kit".
- Qualcomm SC7280 is a Laptop SoC following the SC7180 (Snapdragon
7c) that is used in some Chromebooks and Windows laptops.
Only a reference board is added for the moment.
- TI AM64x Sita4ra is a new version of the K3 SoC family for
industrial control, motor control, remote IO, IoT gateway etc.,
similar to the older AM65x family.
Two reference machines are added alongside.
Among the newly added machines, there is a very clear skew towards
64-bit machines now, with 12 32-bit machines compared to 23 64-bit
machines. The full list sorted by SoC is:
- ASpeed AST2500 BMC: ASRock E3C246D4I Xeon server board
- Allwinner A10: Topwise A721 Tablet
- Amlogic GXL: MeCool KII TV box
- Amlogic GXM: Mecool KIII, Minix Neo U9-H TV boxes
- Broadcom BCM4908: TP-Link Archer C2300 V1 router
- MStar SSD202D: M5Stack UnitV2 camera
- Marvell Armada 38x: ATL-x530 ethernet switch
- Mediatek MT8183 Chromebooks: Lenovo 10e, Acer Spin 311, Asus Flip
CM3, Asus Detachable CM3
- Mediatek MT8516/MT8183: OLogic Pumpkin Board
- NXP i.MX7: reMarkable Tablet
- NXP i.MX8M: Kontron pitx-imx8m, Engicam i.Core MX8M Mini
- Nuvoton NPCM730: Quanta GBS BMC
- Qualcomm X55: Telit FN980 TLB SoM, Thundercomm TurboX T55 SoM
- Qualcomm MSM8998: OnePlus 5/5T phones
- Qualcomm SM8350: Snapdragon 888 Mobile Hardware Development Kit
- Rockchip RK3399: NanoPi R4S board
- STM32MP1: Engicam MicroGEA STM32MP1 MicroDev 2.0 and SOM, EDIMM2.2
Starter Kit, Carrier, SOM
- TI AM65: Siemens SIMATIC IOT2050 gateway
There is notable work going into extending already supported machines
and SoCs:
- ASpeed AST2500
- Allwinner A23, A83t, A31, A64, H6
- Amlogic G12B
- Broadcom BCM4908
- Marvell Armada 7K/8K/CN91xx
- Mediatek MT6589, MT7622, MT8173, MT8183, MT8195
- NXP i.MX8Q, i.MX8MM, i.MX8MP
- Qualcomm MSM8916, SC7180, SDM845, SDX55, SM8350
- Renesas R-Car M3, V3U
- Rockchip RK3328, RK3399
- STEricsson U8500
- STMicroelectronics STM32MP141
- Samsung Exynos 4412
- TI K3-AM65, K3-J7200
- TI OMAP3
Among the treewide cleanups and bug fixes, two parts stand out:
- There are a number of cleanups for issues pointed out by 'make
dtbs_check' this time, and I expect more to come in the future as
we increasingly check for regressions.
- After a change to the MMC subsystem that can lead to unpredictable
device numbers, several platforms add 'aliases' properties for
these to give each MMC controller a fixed number"
* tag 'arm-dt-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (516 commits)
dt-bindings: mali-bifrost: add dma-coherent
arm64: dts: amlogic: misc DT schema fixups
arm64: dts: qcom: sc7180: Update iommu property for simultaneous playback
arm64: dts: qcom: sc7180: pompom: Add "dmic_clk_en" + sound model
arm64: dts: qcom: sc7180: coachz: Add "dmic_clk_en"
ARM: dts: mstar: Add a dts for M5Stack UnitV2
dt-bindings: arm: mstar: Add compatible for M5Stack UnitV2
dt-bindings: vendor-prefixes: Add vendor prefix for M5Stack
arm64: dts: mt8183: fix dtbs_check warning
arm64: dts: mt8183-pumpkin: fix dtbs_check warning
ARM: dts: aspeed: tiogapass: add hotplug controller
ARM: dts: aspeed: amd-ethanolx: Enable all used I2C busses
ARM: dts: aspeed: Rainier: Update to pass 2 hardware
ARM: dts: aspeed: Rainier 1S4U: Fix fan nodes
ARM: dts: aspeed: Rainier: Fix humidity sensor bus address
ARM: dts: aspeed: Rainier: Fix PCA9552 on bus 8
ARM: dts: qcom: sdx55: add IPA information
ARM: dts: qcom: sdx55: Add basic devicetree support for Thundercomm T55
dt-bindings: arm: qcom: Add binding for Thundercomm T55 kit
ARM: dts: qcom: sdx55: Add basic devicetree support for Telit FN980 TLB
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Updates for SoC specific drivers include a few subsystems that have
their own maintainers but send them through the soc tree:
TEE/OP-TEE:
- Add tracepoints around calls to secure world
Memory controller drivers:
- Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms
- Add debug statistics to Tegra20 memory controller
- Update Tegra bindings and convert to dtschema
ARM SCMI Firmware:
- Support for modular SCMI protocols and vendor specific extensions
- New SCMI IIO driver
- Per-cpu DVFS
The other driver changes are all from the platform maintainers
directly and reflect the drivers that don't fit into any other
subsystem as well as treewide changes for a particular platform.
SoCFPGA:
- Various cleanups contributed by Krzysztof Kozlowski
Mediatek:
- add MT8183 support to mutex driver
- MMSYS: use per SoC array to describe the possible routing
- add MMSYS support for MT8183 and MT8167
- add support for PMIC wrapper with integrated arbiter
- add support for MT8192/MT6873
Tegra:
- Bug fixes to PMC and clock drivers
NXP/i.MX:
- Update SCU power domain driver to keep console domain power on.
- Add missing ADC1 power domain to SCU power domain driver.
- Update comments for single global power domain in SCU power domain
driver.
- Add i.MX51/i.MX53 unique id support to i.MX SoC driver.
NXP/FSL SoC driver updates for v5.13
- Add ACPI support for RCPM driver
- Use generic io{read,write} for QE drivers after performance
optimized for PowerPC
- Fix QBMAN probe to cleanup HW states correctly for kexec
- Various cleanup and style fix for QBMAN/QE/GUTS drivers
OMAP:
- Preparation to use devicetree for genpd
- ti-sysc needs iorange check improved when the interconnect target
module has no control registers listed
- ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to
avoid issues with missing resources and unnecessary deferred probe
- ti-sysc debug option can now detect more devices
- ti-sysc now warns if an old incomplete devicetree data is found as
we now rely on it being complete for am3 and 4
- soc init code needs to check for prcm and prm nodes for omap4/5 and
dra7
- omap-prm driver needs to enable autoidle retention support for
omap4
- omap5 clocks are missing gpmc and ocmc clock registers
- pci-dra7xx now needs to use builtin_platform_driver instead of
using builtin_platform_driver_probe for deferred probe to work
Raspberry Pi:
- Fix-up all RPi firmware drivers so as for unbind to happen in an
orderly fashion
- Support for RPi's PoE hat PWM bus
Qualcomm
- Improved detection for SCM calling conventions
- Support for OEM specific wifi firmware path
- Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP"
* tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
soc: aspeed: fix a ternary sign expansion bug
memory: mtk-smi: Add device-link between smi-larb and smi-common
memory: samsung: exynos5422-dmc: handle clk_set_parent() failure
memory: renesas-rpc-if: fix possible NULL pointer dereference of resource
clk: socfpga: fix iomem pointer cast on 64-bit
soc: aspeed: Adapt to new LPC device tree layout
pinctrl: aspeed-g5: Adapt to new LPC device tree layout
ipmi: kcs: aspeed: Adapt to new LPC DTS layout
ARM: dts: Remove LPC BMC and Host partitions
dt-bindings: aspeed-lpc: Remove LPC partitioning
soc: fsl: enable acpi support in RCPM driver
soc: qcom: mdt_loader: Detect truncated read of segments
soc: qcom: mdt_loader: Validate that p_filesz < p_memsz
soc: qcom: pdr: Fix error return code in pdr_register_listener
firmware: qcom_scm: Fix kernel-doc function names to match
firmware: qcom_scm: Suppress sysfs bind attributes
firmware: qcom_scm: Workaround lack of "is available" call on SC7180
firmware: qcom_scm: Reduce locking section for __get_convention()
firmware: qcom_scm: Make __qcom_scm_is_call_available() return bool
Revert "soc: fsl: qe: introduce qe_io{read,write}* wrappers"
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB and Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt driver updates for
5.13-rc1.
Lots of little things in here, with loads of tiny fixes and cleanups
over these drivers, as well as these "larger" changes:
- thunderbolt updates and new features added
- xhci driver updates and split out of a mediatek-specific xhci
driver from the main xhci module to make it easier to work with
(something that I have been wanting for a while).
- loads of typec feature additions and updates
- dwc2 driver updates
- dwc3 driver updates
- gadget driver fixes and minor updates
- loads of usb-serial cleanups and fixes and updates
- usbip documentation updates and fixes
- lots of other tiny USB driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (371 commits)
usb: Fix up movement of USB core kerneldoc location
usb: dwc3: gadget: Handle DEV_TXF_FLUSH_BYPASS capability
usb: dwc3: Capture new capability register GHWPARAMS9
usb: gadget: prevent a ternary sign expansion bug
usb: dwc3: core: Do core softreset when switch mode
usb: dwc2: Get rid of useless error checks in suspend interrupt
usb: dwc2: Update dwc2_handle_usb_suspend_intr function.
usb: dwc2: Add exit hibernation mode before removing drive
usb: dwc2: Add hibernation exiting flow by system resume
usb: dwc2: Add hibernation entering flow by system suspend
usb: dwc2: Allow exit hibernation in urb enqueue
usb: dwc2: Move exit hibernation to dwc2_port_resume() function
usb: dwc2: Move enter hibernation to dwc2_port_suspend() function
usb: dwc2: Clear GINTSTS_RESTOREDONE bit after restore is generated.
usb: dwc2: Clear fifo_map when resetting core.
usb: dwc2: Allow exiting hibernation from gpwrdn rst detect
usb: dwc2: Fix hibernation between host and device modes.
usb: dwc2: Fix host mode hibernation exit with remote wakeup flow.
usb: dwc2: Reset DEVADDR after exiting gadget hibernation.
usb: dwc2: Update exit hibernation when port reset is asserted
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"These should be the final fixes for v5.12.
There is one fix for SD card detection on one Allwinner board, and a
few fixes for the Tegra platform that I had already queued up for
v5.13 due to a communication problem. This addresses MMC device
ordering on multiple machines, audio support on Jetson AGX Xavier and
suspend/resume on Jetson TX2"
* tag 'arm-fixes-5.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
arm64: dts: allwinner: Revert SD card CD GPIO for Pine64-LTS
arm64: tegra: Move clocks from RT5658 endpoint to device node
arm64: tegra: Fix mmc0 alias for Jetson Xavier NX
arm64: tegra: Set fw_devlink=on for Jetson TX2
arm64: tegra: Add unit-address for ACONNECT on Tegra186
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A test with the command below gives this error:
/arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dt.yaml:
pwm@ff680030: clock-names: ['pwm'] is too short
Devices with only one PWM clock use it to both to derive the functional
clock for the device and as the bus clock. The driver does not need
"clock-names" to get a handle, so remove them all.
make ARCH=arm64 dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/pwm/pwm-rockchip.yaml
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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arm64: tegra: Device tree fixes for v5.12-rc6
This contains a couple of device tree fixes for the v5.12 release cycle.
These are needed for proper audio support on Jetson AGX Xavier, to boot
the Jetson Xavier NX from an SD card and to be able to suspend/resume
the Jetson TX2.
* tegra/dt64:
arm64: tegra: Move clocks from RT5658 endpoint to device node
arm64: tegra: Fix mmc0 alias for Jetson Xavier NX
arm64: tegra: Set fw_devlink=on for Jetson TX2
arm64: tegra: Add unit-address for ACONNECT on Tegra186
Link: https://lore.kernel.org/linux-arm-kernel/YILD4yyPXuiYbHW1@orome.fritz.box/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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RTL8211E
UniPhier LD20 and PXs3 boards have RTL8211E ethernet phy, and the phy have
the RX/TX delays of RGMII interface using pull-ups on the RXDLY and TXDLY
pins.
After the commit bbc4d71d6354 ("net: phy: realtek: fix rtl8211e rx/tx
delay config"), the delays are working correctly, however, "rgmii" means
no delay and the phy doesn't work. So need to set the phy-mode to
"rgmii-id" to show that RX/TX delays are enabled.
Fixes: c73730ee4c9a ("arm64: dts: uniphier: add AVE ethernet node")
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Take a pass at cleaning up a bunch of warnings
from 'make dtbs_check' that have crept in.
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210421204833.18523-1-khilman@baylibre.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes
One fix for the MMC card detect on the Pine H64 board
* tag 'sunxi-fixes-for-5.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
arm64: dts: allwinner: Revert SD card CD GPIO for Pine64-LTS
Link: https://lore.kernel.org/r/45fc5e4d-ef48-4729-a869-79a8f288bb83.lettre@localhost
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Commit 941432d00768 ("arm64: dts: allwinner: Drop non-removable from
SoPine/LTS SD card") enabled the card detect GPIO for the SOPine module,
along the way with the Pine64-LTS, which share the same base .dtsi.
This was based on the observation that the Pine64-LTS has as "push-push"
SD card socket, and that the schematic mentions the card detect GPIO.
After having received two reports about failing SD card access with that
patch, some more research and polls on that subject revealed that there
are at least two different versions of the Pine64-LTS out there:
- On some boards (including mine) the card detect pin is "stuck" at
high, regardless of an microSD card being inserted or not.
- On other boards the card-detect is working, but is active-high, by
virtue of an explicit inverter circuit, as shown in the schematic.
To cover all versions of the board out there, and don't take any chances,
let's revert the introduction of the active-low CD GPIO, but let's use
the broken-cd property for the Pine64-LTS this time. That should avoid
regressions and should work for everyone, even allowing SD card changes
now.
The SOPine card detect has proven to be working, so let's keep that
GPIO in place.
Fixes: 941432d00768 ("arm64: dts: allwinner: Drop non-removable from SoPine/LTS SD card")
Reported-by: Michael Weiser <michael.weiser@gmx.de>
Reported-by: Daniel Kulesz <kuleszdl@posteo.org>
Suggested-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Michael Weiser <michael.weiser@gmx.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210414104740.31497-1-andre.przywara@arm.com
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Add a node describing the address in the SoC memory space for the IERB.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/dt
Even more Qualcomm ARM64 updates for v5.13
This contains three audio related fixes for the sc7180 Trogdor devices.
* tag 'qcom-arm64-for-5.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
arm64: dts: qcom: sc7180: Update iommu property for simultaneous playback
arm64: dts: qcom: sc7180: pompom: Add "dmic_clk_en" + sound model
arm64: dts: qcom: sc7180: coachz: Add "dmic_clk_en"
Link: https://lore.kernel.org/r/20210419151637.861409-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Update iommu property in lpass cpu node for supporting
simultaneous playback on headset and speaker.
Reviewed-by: Stephen Boyd <swboyd@chromium.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/20210406163330.11996-1-srivasam@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Match what's downstream for this board.
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Cc: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Cc: Ajit Pandey <ajitp@codeaurora.org>
Cc: Judy Hsiao <judyhsiao@chromium.org>
Cc: Cheng-Yi Chiang <cychiang@chromium.org>
Cc: Stephen Boyd <swboyd@chromium.org>
Cc: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20210315133924.v2.2.If218189eff613a6c48ba12d75fad992377d8f181@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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This was present downstream. Add upstream too. NOTE: upstream I
managed to get some sort of halfway state and got one pinctrl entry in
the coachz-r1 device tree. Remove that as part of this since it's now
in the dtsi.
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Cc: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Cc: Ajit Pandey <ajitp@codeaurora.org>
Cc: Judy Hsiao <judyhsiao@chromium.org>
Cc: Cheng-Yi Chiang <cychiang@chromium.org>
Cc: Stephen Boyd <swboyd@chromium.org>
Cc: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20210315133924.v2.1.I601a051cad7cfd0923e55b69ef7e5748910a6096@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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|
Fix unit names to make dtbs_check happy.
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210414144643.17435-2-matthias.bgg@kernel.org
Link: https://lore.kernel.org/r/20210416143923.23406-3-matthias.bgg@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Fix unit names to make dtbs_check happy.
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210414144643.17435-1-matthias.bgg@kernel.org
Link: https://lore.kernel.org/r/20210416143923.23406-2-matthias.bgg@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"Another smaller set of fixes for three of the Arm platforms:
TI OMAP:
Fix swapped mmc device order also for omap3 that got changed with
the recent PROBE_PREFER_ASYNCHRONOUS changes. While eventually the
aliases should be board specific, all the mmc device instances are
all there in the SoC, and we do probe them by default so that PM
runtime can idle the devices if left enabled from the bootloader.
Qualcomm Snapdragon:
This bypasses the recently introduced interconnect handling in
the GENI (serial engine) driver when running off ACPI, as this
causes the GENI probe to fail and the Lenovo Yoga C630 to boot
without keyboard and touchpad.
Allwinner:
One 32kHz clock fix for the beelink gs1, a CD polarity fix for the
SoPine, some MAINTAINERS maintainance, and a clk / reset switch to
our headers"
* tag 'arm-fixes-5.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
arm64: dts: allwinner: h6: beelink-gs1: Remove ext. 32 kHz osc reference
MAINTAINERS: Match on allwinner keyword
MAINTAINERS: Add our new mailing-list
arm64: dts: allwinner: Fix SD card CD GPIO for SOPine systems
arm64: dts: allwinner: h6: Switch to macros for RSB clock/reset indices
ARM: OMAP2+: Fix uninitialized sr_inst
ARM: dts: Fix swapped mmc order for omap3
ARM: OMAP2+: Fix warning for omap_init_time_of()
soc: qcom: geni: shield geni_icc_get() for ACPI boot
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arm/dt
arm64: dts: ZynqMP DT changes for v5.13
- Add power-domains for DP
- Remove si5328 node without compatible string
* tag 'zynqmp-dt-for-v5.13' of https://github.com/Xilinx/linux-xlnx:
arm64: dts: zynqmp: Remove si5328 device nodes
arm64: dts: zynqmp: Add power domain for the DisplayPort DMA controller
Link: https://lore.kernel.org/r/e422fa9c-3e58-28b4-f6f0-65aa44254131@xilinx.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/dt
New board the NanoPi R4S, OPP adjustments on rk3399 (sync with vendor
and using ranged values to allow better compatibility with regulator
steps), gpu opps on px30, infrared receiver on rockpro64,
USB3 support on rk3328, MMC alias fixups, dt-compatible fixes.
* tag 'v5.13-rockchip-dts64' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: move mmc aliases to board dts on rk3399
arm64: dts: rockchip: move mmc aliases to board dts on rk3368
arm64: dts: rockchip: move mmc aliases to board dts on rk3328
arm64: dts: rockchip: move mmc aliases to board dts on rk3308
arm64: dts: rockchip: move mmc aliases to board dts on px30
arm64: dts: rockchip: add new watchdog compatible to rk3399.dtsi
arm64: dts: rockchip: add new watchdog compatible to rk3328.dtsi
arm64: dts: rockchip: add new watchdog compatible to rk3308.dtsi
arm64: dts: rockchip: add new watchdog compatible to px30.dtsi
arm64: dts: rockchip: enable dwc3 usb for A95X Z2
arm64: dts: rockchip: add rk3328 dwc3 usb controller node
rockchip: rk3399: Add support for FriendlyARM NanoPi R4S
dt-bindings: Add doc for FriendlyARM NanoPi R4S
arm64: dts: rockchip: add phandle to timer0 on rk3368
arm64: dts: rockchip: add infrared receiver node to rockpro64
arm64: dts: rockchip: drop separate opp table on rk3399-puma
arm64: dts: rockchip: used range'd gpu opps on rk3399
arm64: dts: rockchip: synchronize rk3399 opps with vendor kernel
arm64: dts: rockchip: Add gpu opp nodes to px30 dtsi
Link: https://lore.kernel.org/r/2191862.ElGaqSPkdT@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
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We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
As suggested by Arnd Bergmann, the newly added mmc aliases
should be board specific, so move them from the general dtsi
to the individual boards.
Suggested-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Link: https://lore.kernel.org/r/20210324122235.1059292-7-heiko@sntech.de
|
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As suggested by Arnd Bergmann, the newly added mmc aliases
should be board specific, so move them from the general dtsi
to the individual boards.
Suggested-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Link: https://lore.kernel.org/r/20210324122235.1059292-6-heiko@sntech.de
|
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As suggested by Arnd Bergmann, the newly added mmc aliases
should be board specific, so move them from the general dtsi
to the individual boards.
Suggested-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Link: https://lore.kernel.org/r/20210324122235.1059292-5-heiko@sntech.de
|
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As suggested by Arnd Bergmann, the newly added mmc aliases
should be board specific, so move them from the general dtsi
to the individual boards.
Suggested-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Link: https://lore.kernel.org/r/20210324122235.1059292-4-heiko@sntech.de
|
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As suggested by Arnd Bergmann, the newly added mmc aliases
should be board specific, so move them from the general dtsi
to the individual boards.
For the Engicam-boards this means a split as the core
boards contains the emmc while the commit baseboard handles
sdmmc and sdio.
Suggested-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Link: https://lore.kernel.org/r/20210324122235.1059292-3-heiko@sntech.de
|
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Change my e-mail address to kabel@kernel.org, and fix my name in
non-code parts (add diacritical mark).
Link: https://lkml.kernel.org/r/20210325171123.28093-2-kabel@kernel.org
Signed-off-by: Marek Behún <kabel@kernel.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jassi Brar <jassisinghbrar@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/dt
arm64: dts: amlogic: updates for v5.13 (round 2)
- updates/cleanups for Hardkernel Odroid N2/N2+
* tag 'amlogic-dt64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
arm64: dts: meson: add GPIO line names to ODROID N2/N2+
arm64: dts: meson: add saradc node to ODROID N2/N2+
arm64: dts: meson: remove extra tab from ODROID N2/N2+ ext_mdio node
Link: https://lore.kernel.org/r/7htuofgwaz.fsf@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/dt
More Qualcomm ARM64 DT updates for 5.13
This adds RPMh regulators, coresight, AOSS qmp, ipcc, llcc for the
SC7280. It adds interconnect, PRNG and thermal pieces to SM8350. It
specifies the now required clocks for the SDM845 gcc, corrects the
firmware-name for adsp and cdsp on the db845c and defines DSI and panel
bits for Xiaomi Pocophone F1.
SM8150 gains iommu settings and the remaining I2C controllers and SM8250
gains Venus and the QMP PHY is updated to include the DP portion.
It adds the MSM8998 based OnePlus 5/5T device and enables sound support
on the Trogdor device family.
Lastly it adds the GIC hypervisor registers & interrupt for when Linux
is booted in EL2 on MSM8916.
* tag 'qcom-arm64-for-5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (25 commits)
arm64: dts: qcom: update usb qmp phy clock-cells property
arm64: dts: qcom: msm8916: Add GICv2 hypervisor registers/interrupt
arm64: dts: sdm845-db845c: make firmware filenames follow linux-firmware
arm64: dts: qcom: sdm845-xiaomi-beryllium: Add DSI and panel bits
arm64: dts: qcom: sc7280: Add Coresight support
arm64: dts: qcom: sc7280: Add AOSS QMP node
arm64: dts: qcom: sc7280: Add IPCC for SC7280 SoC
arm64: dts: qcom: sc7280: Add device tree node for LLCC
arm64: dts: qcom: Add support for OnePlus 5/5T
arm64: dts: qcom: msm8998: Disable MSS remoteproc by default
arm64: dts: qcom: Move rmtfs memory region
arm64: dts: qcom: Add sound node for sc7180-trogdor-coachz
arm64: dts: qcom: sc7180-trogdor: Add lpass dai link for I2S driver
arm64: dts: qcom: use dp_phy to provide clocks to dispcc
arm64: dts: qcom: sm8250: switch usb1 qmp phy to USB3+DP mode
arm64: dts: qcom: sm8250: Add venus DT node
arm64: dts: qcom: sm8250: Add videocc DT node
arm64: dts: qcom: sm8350: Add interconnects
arm64: dts: qcom: sm8350: Add support for PRNG EE
arm64: dts: qcom: sc7280: Add RPMh regulators for sc7280-idp
...
Link: https://lore.kernel.org/r/20210409163949.776530-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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|
git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes
One 32kHz clock fix for the beelink gs1, a CD polarity fix for the SoPine, some
MAINTAINERS maintainance, and a clk / reset switch to our headers.
* tag 'sunxi-fixes-for-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
arm64: dts: allwinner: h6: beelink-gs1: Remove ext. 32 kHz osc reference
MAINTAINERS: Match on allwinner keyword
MAINTAINERS: Add our new mailing-list
arm64: dts: allwinner: Fix SD card CD GPIO for SOPine systems
arm64: dts: allwinner: h6: Switch to macros for RSB clock/reset indices
Link: https://lore.kernel.org/r/9972a85e-60b7-49f4-a246-db3396dd4764.lettre@localhost
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
|
The top-level node doesn't provide any clocks, the subnode provides a
single clock with of_clk_hw_simple_get.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Link: https://lore.kernel.org/r/20201123143705.14277-1-jonathan@marek.ca
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
|
|
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.pdf
Acked-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.net
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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This currently supports:
* SMP (via spin-tables)
* AIC IRQs
* Serial (with earlycon)
* Framebuffer
A number of properties are dynamic, and based on system firmware
decisions that vary from version to version. These are expected
to be filled in by the loader.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hector Martin <marcan@marcan.st>
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