| Commit message (Collapse) | Author | Age |
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Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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Add the documentation for the Broadcom Northstar Plus device tree
bindings.
Signed-off-by: Jon Mason <jonmason@broadcom.com>
Acked-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/dt
Merge "Rockchip dts32 changes for 4.4" from Heiko Stuebner:
DTS changes including one new Veyron-board and the Radxa Rock2
system-on-module as well as the square baseboard. On top of that
a lot of mmc-related changes to improve speeds on the Cortex-A9
socs and also setting up the supplies for rk3288 mmc-controllers
for the following mmc-tuning support. And of course the dts-part
of the rk3288 power-domains.
* tag 'v4.4-rockchip-dts32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: add the support power-domain node on RK3288 SoCs
ARM: dts: rockchip: add rk3288-firefly iodomains
ARM: dts: rockchip: fixup firefly mmc supplies
ARM: dts: rockchip: add rk3288-popmetal iodomains
ARM: dts: rockchip: add rk3288-popmetal mmc supplies
ARM: dts: rockchip: add rk3288-popmetal board to dtb list
ARM: dts: rockchip: Add dtb for the Radxa Rock 2 Square board
ARM: dts: rockchip: support highspeed sd-cards on rk3066a boards
ARM: dts: rockchip: support highspeed sd-cards for rk3188-radxarock
ARM: dts: rockchip: Add the hdmi-ddc pinctrl settings for rk3288
ARM: dts: rockchip: Remove specific cts pullup from veyron
ARM: dts: rockchip: pull up cts lines on rk3288
ARM: dts: rockchip: add veyron-jaq board
ARM: dts: rockchip: Add support for SD/MMC on MarsBoard-RK3066
dt-bindings: add power-domain header for RK3288 SoCs
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The Radxa Rock 2 Square board is a combination of the Radxa Rock 2 SoM
with the Square baseboard. Add a dtsi for the SoM which can be included
into the dts for the various baseboards (e.g. full and square) and a dts
for the square board.
Currently supported are serial console, wired networking, hdmi output,
eMMC and SD storage and USB.
Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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a.k.a. Haier Chromebook 11, and others
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/dt
Merge "ARM Keystone DTS updates" from Santosh Shilimkar:
- Add SOC compatible along with EVMs for future board variations.
- Add SPI nodes
* tag 'keystone-dts' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
ARM: dts: keystone: Update SoC specific compatible flags
ARM: keystone: Update compatible to have SoC specific matches
Documentation: dt: keystone: provide SoC specific compatible flags
ARM: dts: keystone: Add ti,keystone-spi for SPI
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Keystone2 devices are used on more platforms than just Texas
Instruments reference evaluation platforms called EVMs. Providing a
generic compatible "ti,keystone" is not sufficient to differentiate
various SoC definitions possible on various platforms for the
following reasons:
a) Userspace applications have no way of knowing which SoC they are
functioning, providing the compatible matches provide a mechanism for
them to enable SoC specific functionality. Such userspace applications
are typically automated test framework or SoC custom hardware
acceleration entitlement from a common file system.
b) Provides an accurate hardware description. This allows
SoC specific logic to be run time handled based on
of_machine_is_compatible("ti,k2hk") or as needed for the dependent
processor instead of needing to use board dependent compatibles that
are needed now.
Hence, provide compatible matches for each SoC in the Keystone family.
Acked-By: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
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Signed-off-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Tronfy is an emerging brand in China specializing in Home Theater
solutions for the normal consumers.
Signed-off-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
Merge "Renesas ARM Based SoC DT Updates for v4.4" from Simon Horman:
* Add missing CPG/MSTP Clock Domain for sound on r8a779[01] SoCs
* Tidy up SCI resource region on r8a779[018] SoCs
* Add pinmux for iic0 on Lager board
* Use CCF for audio clock on Lager and Koelsch boards
* Use serial0 and 1 as serial ports on Marzen board
* Use adxl345-specific compatible property for KZM9G board
* Document compat string for Silk board
* Enable GPIO, I2C, PCI, QSPI, USB PHY and HS, and VIN support on r8a7794/Silk
* Add initial support for r8a7791/porter
* Add common file for AA121TD01 panel
* tag 'renesas-dt-for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (28 commits)
ARM: shmobile: porter: add Ether DT support
ARM: shmobile: fix SILK board name
ARM: shmobile: r8a7794: add HS-USB DT support
ARM: shmobile: dts: Add common file for AA121TD01 panel
ARM: shmobile: r8a7794: link PCI USB devices to USB PHY
ARM: shmobile: silk: enable USB PHY
ARM: shmobile: r8a7794: add USB PHY DT support
ARM: shmobile: porter: initial device tree
ARM: shmobile: add Porter board DT bindings
ARM: shmobile: silk: enable internal PCI
ARM: shmobile: r8a7794: add internal PCI bridge nodes
ARM: shmobile: r8a7790: lager: add pinmux for iic0
ARM: shmobile: r8a7778: tidyup SSI resource region
ARM: shmobile: r8a7791: tidyup SSI resource region
ARM: shmobile: r8a7790: tidyup SSI resource region
ARM: shmobile: lager: use CCF for audio clock
ARM: shmobile: koelsch: use CCF for audio clock
ARM: shmobile: silk: add VIN0/ADV7180 DT support
ARM: shmobile: r8a7794: add VIN DT support
ARM: shmobile: silk: add I2C1 DT support
...
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Unfortunately, the SILK board bindings were not quite correct, as the board
name should be all caps. Fix that, adding the board model # in parens and
removing stray semicolon.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Add Porter device tree bindings documentation, listing it as a supported board.
This allows to use checkpatch to validate DTSes referring to the Porter board.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Add Silk Device tree bindings Documentation, listing it as a supported board.
This allows to use checkpatch to validate DTSes referring to the Silk board.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Dependency for renesas/dt
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https://github.com/AppliedMicro/xgene-next into next/dt
Merge "X-Gene DTS changes queued for v4.4" from Duc Dang:
* tag 'xgene-dts-for-v4.4-1' of https://github.com/AppliedMicro/xgene-next:
arm64: dts: Add poweroff device nodes for APM X-Gene 2 platform
arm64: dts: Add APM X-Gene 2 standby GPIO controller DTS entries
arm64: dts: Add PMU node for APM X-Gene Storm SOC
Documentation: arm: pmu: Add Potenza PMU binding
arm64: dts: Add X-Gene v2 reboot driver dts node
arm64: dts: add APM Merlin Board device tree
power: reset: Add syscon poweroff device node for APM X-Gene platform
arm64: dts: Add X-Gene reboot driver dts node
Documentation: arm64: add SCU dts binding documentation to linux kernel
MAINTAINERS: Add Applied Micro (APM) X-Gene Device Tree maintainer
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This patch documents the compatible string for APM X-Gene Potenza CPU's PMU.
Signed-off-by: Vinayak Kale <vkale@apm.com>
Signed-off-by: Feng Kan <fkan@apm.com>
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This add documentation for the SCU system clock unit device tree binding
to the kernel.
Signed-off-by: Feng Kan <fkan@apm.com>
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next/dt
Merge "ARM64: DT: Hisilicon hip05 soc and D02 board updates for 4.3" from Wei Xu:
- Updated the hisilicon devicetree bindings document to support hip05-D02 board
- Added dts files for hip05 SoC and D02 board
* tag 'hip05-dt-for-4.3' of git://github.com/hisilicon/linux-hisi:
arm64: dts: add dts files for Hisilicon Hip05-D02 Development Board
arm64: hip05-d02: Document devicetree bindings for Hisilicon Hip05-D02 Board
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This patch adds documentation for the devicetree bindings used by the
DT files of Hisilicon Hip05-D02 development board.
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"As we've enabled multiplatform kernels on ARM, and greatly done away
with the contents under arch/arm/mach-*, there's still need for
SoC-related drivers to go somewhere.
Many of them go in through other driver trees, but we still have
drivers/soc to hold some of the "doesn't fit anywhere" lowlevel code
that might be shared between ARM and ARM64 (or just in general makes
sense to not have under the architecture directory).
This branch contains mostly such code:
- Drivers for qualcomm SoCs for SMEM, SMD and SMD-RPM, used to
communicate with power management blocks on these SoCs for use by
clock, regulator and bus frequency drivers.
- Allwinner Reduced Serial Bus driver, again used to communicate with
PMICs.
- Drivers for ARM's SCPI (System Control Processor). Not to be
confused with PSCI (Power State Coordination Interface). SCPI is
used to communicate with the assistant embedded cores doing power
management, and we have yet to see how many of them will implement
this for their hardware vs abstracting in other ways (or not at all
like in the past).
- To make confusion between SCPI and PSCI more likely, this release
also includes an update of PSCI to interface version 1.0.
- Rockchip support for power domains.
- A driver to talk to the firmware on Raspberry Pi"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (57 commits)
soc: qcom: smd-rpm: Correct size of outgoing message
bus: sunxi-rsb: Add driver for Allwinner Reduced Serial Bus
bus: sunxi-rsb: Add Allwinner Reduced Serial Bus (RSB) controller bindings
ARM: bcm2835: add mutual inclusion protection
drivers: psci: make PSCI 1.0 functions initialization version dependent
dt-bindings: Correct paths in Rockchip power domains binding document
soc: rockchip: power-domain: don't try to print the clock name in error case
soc: qcom/smem: add HWSPINLOCK dependency
clk: berlin: add cpuclk
ARM: berlin: dts: add CLKID_CPU for BG2Q
ARM: bcm2835: Add the Raspberry Pi firmware driver
soc: qcom: smem: Move RPM message ram out of smem DT node
soc: qcom: smd-rpm: Correct the active vs sleep state flagging
soc: qcom: smd: delete unneeded of_node_put
firmware: qcom-scm: build for correct architecture level
soc: qcom: smd: Correct SMEM items for upper channels
qcom-scm: add missing prototype for qcom_scm_is_available()
qcom-scm: fix endianess issue in __qcom_scm_is_call_available
soc: qcom: smd: Reject send of too big packets
soc: qcom: smd: Handle big endian CPUs
...
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Reduced Serial Bus is a proprietary 2-line push-pull serial bus supporting
multiple slave devices. It was developed by Allwinner, Inc. and used by
Allwinner and X-Powers, Inc. for their line of PMICs and other peripheral
ICs.
Recent Allwinner SoCs, starting with the A23, have an RSB controller. This
is used to talk to the PMIC, and later with the A80 and A83 platform, the
audio codec IC.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers
Some fixes for the new power-domain driver, including restricting
Rockchip Kconfig options, fixing a possible null-pointer and a
typo in the dt-bindings.
* tag 'v4.4-rockchip-drivers2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
dt-bindings: Correct paths in Rockchip power domains binding document
soc: rockchip: power-domain: don't try to print the clock name in error case
soc: rockchip: Restrict to ARCH_ROCKCHIP
Signed-off-by: Olof Johansson <olof@lixom.net>
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Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/linux into next/drivers
This pull request contains patches that enable PSCI 1.0 firmware
features for arm/arm64 platforms:
- Lorenzo Pieralisi adds support for the PSCI_FEATURES call, manages
various 1.0 specifications updates (power state id and functions return
values) and provides PSCI v1.0 DT bindings
- Sudeep Holla implements PSCI v1.0 system suspend support to enable PSCI
based suspend-to-RAM
* tag 'firmware/psci-1.0' of git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/linux:
drivers: firmware: psci: add system suspend support
drivers: firmware: psci: define more generic PSCI_FN_NATIVE macro
drivers: firmware: psci: add PSCI v1.0 DT bindings
drivers: firmware: psci: add extended stateid power_state support
drivers: firmware: psci: add PSCI_FEATURES call
drivers: firmware: psci: move power_state handling to generic code
drivers: firmware: psci: add INVALID_ADDRESS return value
Signed-off-by: Olof Johansson <olof@lixom.net>
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PSCI 1.0 is designed to be fully compliant to the PSCI 0.2
specification, with minor differences that are described in the
PSCI specification.
In particular, PSCI v1.0 augments the specification with a new
power_state format (extended stateid - probeable through the
PSCI_FEATURES call), changes some function return codes and
functions usage requirements wrt PSCI 0.2. These changes mean
that 1.0 vs 0.2 compliancy should be enforced through a DT
compatible string that allows firmware to specify 1.0 only
compliancy so that older kernels are prevented from using
PSCI 1.0 FW implementations in a non-compatible way (eg by
calling a 1.0 FW implementation and expecting 0.2 behaviour).
This patch adds PSCI 1.0 DT bindings and related compatible
string.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Jisheng Zhang <jszhang@marvell.com>
Cc: Mark Rutland <mark.rutland@arm.com>
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into next/drivers
Merge "PL172 driver updates for v4.4" from Joachim Eastwood:
Support for additional ARM MPMCs to the PL172 driver and an update to
the bindings documentation to reflect this from Vladimir Zapolskiy.
"The change adds support of ARM PrimeCell PL175 MPMC and PL176 MPMC,
the static memory controllers on devices are similar to one found on
ARM PrimeCell PL172, add support to the existing driver."
* tag 'drivers_pl172_for_4.4' of https://github.com/manabian/linux-lpc:
doc: dt: arm,pl172: add description of PL175 and PL176 controllers
memory: pl172: add ARM PrimeCell PL176 MPMC support
memory: pl172: add ARM PrimeCell PL175 MPMC support
memory: pl172: correct MPMC peripheral ID register bits
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Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into next/drivers
Merge "ARM System Control and Power Interface(SCPI) support" from Sudeep Holla
It adds support for the following features provided by SCP firmware
using different subsystems in Linux:
1. SCPI mailbox protocol driver which using mailbox framework
2. Clocks provided by SCP using clock framework
3. CPU DVFS(cpufreq) using existing arm-big-little driver
4. SCPI based sensors including temperature sensors
* tag 'arm-scpi-for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
hwmon: Support thermal zones registration for SCP temperature sensors
hwmon: Support sensors exported via ARM SCP interface
firmware: arm_scpi: Extend to support sensors
Documentation: add DT bindings for ARM SCPI sensors
cpufreq: arm_big_little: add SCPI interface driver
clk: scpi: add support for cpufreq virtual device
clk: add support for clocks provided by SCP(System Control Processor)
firmware: add support for ARM System Control and Power Interface(SCPI) protocol
Documentation: add DT binding for ARM System Control and Power Interface(SCPI) protocol
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Create a driver to add support for SoC sensors exported by the System
Control Processor (SCP) via the System Control and Power Interface
(SCPI). The supported sensor types is one of voltage, temperature,
current, and power.
The sensor labels and values provided by the SCP are exported via the
hwmon sysfs interface.
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Cc: Sudeep Holla <sudeep.holla@arm.com>
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The System Control Processor (SCP) provides access to SoC sensors via
the System Control and Power Interface (SCPI) Message Protocol. Add
bindings to allow probing of these sensors. Also support referencing
of the sensors for setting up thermal zones via the thermal DT
bindings.
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Acked-by: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
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Interface(SCPI) protocol
This patch adds devicetree binding for System Control and Power
Interface (SCPI) Message Protocol used between the Application Cores(AP)
and the System Control Processor(SCP). The MHU peripheral provides a
mechanism for inter-processor communication between SCP's M3 processor
and AP.
SCP offers control and management of the core/cluster power states,
various power domain DVFS including the core/cluster, certain system
clocks configuration, thermal sensors and many others.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Cc: Rob Herring <robh+dt@kernel.org>
CC: Jassi Brar <jassisinghbrar@gmail.com>
Cc: Liviu Dudau <Liviu.Dudau@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Jon Medhurst (Tixy) <tixy@linaro.org>
Cc: devicetree@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers
Merge "Rockchip power-domain drivers for 4.4" from Heiko Stuebner:
Add the power-domain base-driver which currently contains
support for the rk3288 powerdomain layout but can be easily
extended for the socs (including arm64) later on.
A big thanks to Ceasar Wang for pulling through on this
during 18 revisions.
Also included is a fix to the pm-clock handling in the generic
powerdomains to adapt it to the per-user clock handling we now
do, Acked by Rafael Wysocki.
* tag 'v4.4-rockchip-drivers1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
soc: rockchip: power-domain: Add power domain driver
dt-bindings: add document of Rockchip power domains
PM / clk: Do not __clk_get passed in clock-references
dt-bindings: add power-domain header for RK3288 SoCs
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This add the necessary binding documentation for the power domains
found on Rockchip SoCs.
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"New and/or improved SoC support for this release:
Marvell Berlin:
- Enable standard DT-based cpufreq
- Add CPU hotplug support
Freescale:
- Ethernet init for i.MX7D
- Suspend/resume support for i.MX6UL
Allwinner:
- Support for R8 chipset (used on NTC's $9 C.H.I.P board)
Mediatek:
- SMP support for some platforms
Uniphier:
- L2 support
- Cleaned up SMP support, etc.
plus a handful of other patches around above functionality, and a few
other smaller changes"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (42 commits)
ARM: uniphier: rework SMP operations to use trampoline code
ARM: uniphier: add outer cache support
Documentation: EXYNOS: Update bootloader interface on exynos542x
ARM: mvebu: add broken-idle option
ARM: orion5x: use mac_pton() helper
ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned
ARM: sunxi: Add R8 support
ARM: digicolor: select pinctrl/gpio driver
arm: berlin: add CPU hotplug support
arm: berlin: use non-self-cleared reset register to reset cpu
ARM: mediatek: add smp bringup code
ARM: mediatek: enable gpt6 on boot up to make arch timer working
soc: mediatek: Fix random hang up issue while kernel init
soc: ti: qmss: make acc queue support optional in the driver
soc: ti: add firmware file name as part of the driver
Documentation: dt: soc: Add description for knav qmss driver
ARM: S3C64XX: Use PWM lookup table for mach-smartq
ARM: S3C64XX: Use PWM lookup table for mach-hmt
ARM: S3C64XX: Use PWM lookup table for mach-crag6410
ARM: S3C64XX: Use PWM lookup table for smdk6410
...
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This commit adds support for UniPhier outer cache controller.
All the UniPhier SoCs are equipped with the L2 cache, while the L3
cache is currently only integrated on PH1-Pro5 SoC.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
Samsung SoC updates for v4.4
- use PWM lookup table with pwm_add_table() for the following boards
: s3c24xx h1940 and rx1950
: s3c64xx smdk6410, crag6410, hmt and smartq
- document: update bootloader interface on exynos542x
* tag 'samsung-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
Documentation: EXYNOS: Update bootloader interface on exynos542x
ARM: S3C64XX: Use PWM lookup table for mach-smartq
ARM: S3C64XX: Use PWM lookup table for mach-hmt
ARM: S3C64XX: Use PWM lookup table for mach-crag6410
ARM: S3C64XX: Use PWM lookup table for smdk6410
ARM: S3C24XX: Use PWM lookup table for mach-rx1950
ARM: S3C24XX: Use PWM lookup table for mach-h1940
Signed-off-by: Olof Johansson <olof@lixom.net>
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Update the documentation about:
1. Usage of PMU_SPARE2 register.
Bootloaders on Exynos542x-based boards often use the register
PMU_SPARE2 (0x908) in the same way as on Exynos3250: as a indicator
the secondary CPU was booted on. The bootloader will set this value
to non-zero, after sucessfull power up of secondary CPU. In the same
time this booted CPU will stuck (spin) waiting for software reset.
2. Exynos542x entry address for secondary CPU boot up after system
suspend (with MCPM enabled and in non-secure mode).
See arch/arm/mach-exynos/mcpm-exynos.c for source code.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
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mvebu soc for 4.4 (part 2)
- Use mac_pton() helper in the oropn5x board instead of duplicating it
- Add the broken-idle option allowing to boot boards with a mistake in
the hardware design
* tag 'mvebu-soc-4.4-2' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: add broken-idle option
ARM: orion5x: use mac_pton() helper
Signed-off-by: Olof Johansson <olof@lixom.net>
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The broken-idle option can be activated from the coherency-fabric DT
node. This property allows to disable the idle capability, when the
hardware doesn't support it, like the Seagate Personal Cloud boards.
Signed-off-by: Vincent Donnefort <vdonnefort@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/soc
Allwinner core changes for 4.4
Add support for the Allwinner R8 SoC used in the CHIP.
* tag 'sunxi-core-for-4.4' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
ARM: sunxi: Add R8 support
Signed-off-by: Olof Johansson <olof@lixom.net>
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The R8 is a new Allwinner SoC based on the A13. While both are very
similar, there's still a few differences. Introduce a new compatible to
deal with them.
In order to have a consistent naming, instead of mentioning the Allwinner
A series as the machine name, switch to sun4i/sun5i like what is done for
the other families.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/soc
Merge "ARM Keystone SOC driver updates for 4.4" from Santosh Shilimkar:
Documentation and support to be able to load the PDSP
firmware necessary for accumulator operation.
* tag 'keystone-driver-soc_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
soc: ti: qmss: make acc queue support optional in the driver
soc: ti: add firmware file name as part of the driver
Documentation: dt: soc: Add description for knav qmss driver
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acc channels are available only if accumulator PDSP is loaded and
running in the SoC. As this requires firmware and user may not have
firmware in the file system, make the accumulator queue support
available in qmss driver optional. To use accumulator queus user needs
to add firmware to the file system and boot up kernel.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
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Currently firmware file name is included in the DTS. This is not scalable
as user has to change the DTS if they need upgrade to a new firmware.
Instead, add the firmware file name in the driver itself. As long as there
is no API change, new firmware upgrade is easy and require no driver
change. User is expected to copy the firmware image to the file system
and add a sym link to the new firmware for doing an upgrade. Driver add
a array of firmware file names to search for the available firmware blobs.
This scheme also prepare the driver for future changes to API if ever
happens. In such case it is assumed that driver needs to change to
accommodate the new firmware and new firmware file name will get added to
the array.
Also update the DT document to remove the firmware attribute and add
description about firmware in the driver documentation.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
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Add documentation for knav qmss driver.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
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Merge "mvebu soc for 4.4 (part 1)" from Gregory CLEMENT:
L2 caches optimization for Armada XP
* tag 'mvebu-soc-4.4-1' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: add support to clear shared L2 bit on Armada XP
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For optimal performance, in a HW I/O coherency context such as the one
used on Armada XP, the shared L2 bit of the CPU configuration register
should be cleared.
This commit adjusts the coherency fabric code used by Marvell EBU
processors to clear this bit on Armada XP. Since it's a per-CPU
register, it's cleared in set_cpu_coherent() for the boot CPU, and
through a CPU notifier for the non-boot CPUs.
[gregory.clement@free-electrons.com: rebasd on 4.3-rc1]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"Again we have a sizable (but not huge) cleanup branch with a net delta
of about -3k lines.
Main contents here is:
- A bunch of development/cleanup of a few PXA boards
- Removal of bockw platforms on shmobile, since the platform has now
gone completely multiplatform. Whee!
- move of the 32kHz timer on OMAP to a proper timesource
- Misc cleanup of older OMAP material (incl removal of one board
file)
- Switch over to new common PWM lookup support for several platforms
There's also a handful of other cleanups across the tree, but the
above are the major pieces"
* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (103 commits)
ARM: OMAP3: hwmod data: Remove legacy mailbox data and addrs
ARM: DRA7: hwmod data: Remove spinlock hwmod addrs
ARM: OMAP4: hwmod data: Remove spinlock hwmod addrs
ARM: DRA7/AM335x/AM437x: hwmod: Remove gpmc address space from hwmod data
ARM: Remove __ref on hotplug cpu die path
ARM: Remove open-coded version of IRQCHIP_DECLARE
arm: omap2: board-generic: use omap4_local_timer_init for AM437x
ARM: DRA7/AM335x/AM437x: hwmod: Remove elm address space from hwmod data
ARM: OMAP: Remove duplicated operand in OR operation
clocksource: ti-32k: make it depend on GENERIC_CLOCKSOURCE
ARM: pxa: remove incorrect __init annotation on pxa27x_set_pwrmode
ARM: pxa: raumfeld: make some variables static
ARM: OMAP: Change all cpu_is_* occurences to soc_is_* for id.c
ARM: OMAP2+: Rename cpu_is macros to soc_is
arm: omap2: timer: limit hwmod usage to non-DT boots
arm: omap2+: select 32k clocksource driver
clocksource: add TI 32.768 Hz counter driver
arm: omap2: timer: rename omap_sync32k_timer_init()
arm: omap2: timer: always call clocksource_of_init() when DT
arm: omap2: timer: move realtime_counter_init() around
...
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This is the pxa changes for v4.4 cycle.
This cycle is bigger than usual :
- magician was greatly enhanced (new IPs discovered, ...)
- almost all legacy board files have been updated to the
new PWM API (mostly for backlight control)
- some minor fixes in raumfeld, z2 and mioa701
* tag 'pxa-for-4.4' of https://github.com/rjarzmik/linux: (44 commits)
ARM: pxa: remove incorrect __init annotation on pxa27x_set_pwrmode
ARM: pxa: raumfeld: make some variables static
ARM: pxa: magician: Remove pdata for pasic3-leds
ARM: pxa: magician: Add support for PXA27x UDC
ARM: pxa: magician: Add support for MAX1587A Vcore regulator
ARM: pxa: magician: Change comments to be more informative
ARM: pxa: magician: Move platform_add_devices() to the end of magician_init()
ARM: pxa: magician: Add missing regulator for PWM backlight
ARM: pxa: magician: Add debug message for backlight brightness function
ARM: pxa: magician: Remove definition of the STUART port
ARM: pxa: magician: Fix wrongly enabled USB host ports
ARM: pxa: magician: Fix support for Intel Strata NOR Flash
ARM: pxa: magician: Fix redundant GPIO request for pxaficp_ir
ARM: pxa: magician: Fix platform data for both PXA27x I2C controllers
ARM: pxa: magician: Fix and add charging detection functions
ARM: pxa: magician: Optimize Samsung LCD refresh to 50Hz
ARM: pxa: magician: Rename charger cable detection EGPIOs
ARM: pxa: magician: Optimize powerup delays for Samsung LCD
ARM: pxa: magician: Rename abstract LCD GPIOs
ARM: pxa: magician: Add new discovered EGPIO pins
...
Signed-off-by: Olof Johansson <olof@lixom.net>
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Use for struct pxa2xx_spi_master clock_enable field was removed years ago
from the pxa2xx-spi driver by the commit 2f1a74e5a2de ("[ARM] pxa: make
pxa2xx_spi driver use ssp_request()/ssp_free()").
Therefore remove it from structure definition, documentation and from
couple affected board files.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
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