The most noteworthy SoC driver changes this time include:
- The TEE subsystem gains an in-kernel interface to access the TEE
from device drivers.
- The reset controller subsystem gains a driver for the Qualcomm
Snapdragon 845 Power Domain Controller.
- The Xilinx Zynq platform now has a firmware interface for its
platform management unit. This contains a firmware "ioctl" interface
that was a little controversial at first, but the version we merged
solved that by not exposing arbitrary firmware calls to user space.
- The Amlogic Meson platform gains a "canvas" driver that is used
for video processing and shared between different high-level drivers.
The rest is more of the usual, mostly related to SoC specific power
management support and core drivers in drivers/soc:
- Several Renesas SoCs (RZ/G1N, RZ/G2M, R-Car V3M, RZ/A2M) gain new
features related to power and reset control.
- The Mediatek mt8183 and mt6765 SoC platforms gain support for
their respective power management chips.
- A new driver for NXP i.MX8, which need a firmware interface for
power management.
- The SCPI firmware interface now contains support estimating power
usage of performance states
- The NVIDIA Tegra "pmc" driver gains a few new features, in particular
a pinctrl interface for configuring the pads.
- Lots of small changes for Qualcomm, in particular the "smem"
device driver.
- Some cleanups for the TI OMAP series related to their sysc
controller.
Additional cleanups and bugfixes in SoC specific drivers include the
Meson, Keystone, NXP, AT91, Sunxi, Actions, and Tegra platforms.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Arnd Bergmann:
"The most noteworthy SoC driver changes this time include:
- The TEE subsystem gains an in-kernel interface to access the TEE
from device drivers.
- The reset controller subsystem gains a driver for the Qualcomm
Snapdragon 845 Power Domain Controller.
- The Xilinx Zynq platform now has a firmware interface for its
platform management unit. This contains a firmware "ioctl"
interface that was a little controversial at first, but the version
we merged solved that by not exposing arbitrary firmware calls to
user space.
- The Amlogic Meson platform gains a "canvas" driver that is used for
video processing and shared between different high-level drivers.
The rest is more of the usual, mostly related to SoC specific power
management support and core drivers in drivers/soc:
- Several Renesas SoCs (RZ/G1N, RZ/G2M, R-Car V3M, RZ/A2M) gain new
features related to power and reset control.
- The Mediatek mt8183 and mt6765 SoC platforms gain support for their
respective power management chips.
- A new driver for NXP i.MX8, which need a firmware interface for
power management.
- The SCPI firmware interface now contains support estimating power
usage of performance states
- The NVIDIA Tegra "pmc" driver gains a few new features, in
particular a pinctrl interface for configuring the pads.
- Lots of small changes for Qualcomm, in particular the "smem" device
driver.
- Some cleanups for the TI OMAP series related to their sysc
controller.
Additional cleanups and bugfixes in SoC specific drivers include the
Meson, Keystone, NXP, AT91, Sunxi, Actions, and Tegra platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (129 commits)
firmware: tegra: bpmp: Implement suspend/resume support
drivers: clk: Add ZynqMP clock driver
dt-bindings: clock: Add bindings for ZynqMP clock driver
firmware: xilinx: Add zynqmp IOCTL API for device control
Documentation: xilinx: Add documentation for eemi APIs
MAINTAINERS: imx: include drivers/firmware/imx path
firmware: imx: add misc svc support
firmware: imx: add SCU firmware driver support
reset: Fix potential use-after-free in __of_reset_control_get()
dt-bindings: arm: fsl: add scu binding doc
soc: fsl: qbman: add interrupt coalesce changing APIs
soc: fsl: bman_portals: defer probe after bman's probe
soc: fsl: qbman: Use last response to determine valid bit
soc: fsl: qbman: Add 64 bit DMA addressing requirement to QBMan
soc: fsl: qbman: replace CPU 0 with any online CPU in hotplug handlers
soc: fsl: qbman: Check if CPU is offline when initializing portals
reset: qcom: PDC Global (Power Domain Controller) reset controller
dt-bindings: reset: Add PDC Global binding for SDM845 SoCs
reset: Grammar s/more then once/more than once/
bus: ti-sysc: Just use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS
...
- Sync dtc with upstream version v1.4.7-14-gc86da84d30e4
- Work to get rid of direct accesses to struct device_node name and
type pointers in preparation for removing them. New helpers for
parsing DT cpu nodes and conversions to use the helpers. printk
conversions to %pOFn for printing DT node names. Most went thru
subystem trees, so this is the remainder.
- Fixes to DT child node lookups to actually be restricted to child
nodes instead of treewide.
- Refactoring of dtb targets out of arch code. This makes the support
more uniform and enables building all dtbs on c6x, microblaze, and
powerpc.
- Various DT binding updates for Renesas r8a7744 SoC
- Vendor prefixes for Facebook, OLPC
- Restructuring of some ARM binding docs moving some peripheral bindings
out of board/SoC binding files
- New "secure-chosen" binding for secure world settings on ARM
- Dual licensing of 2 DT IRQ binding headers
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Merge tag 'devicetree-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull Devicetree updates from Rob Herring:
"A bit bigger than normal as I've been busy this cycle.
There's a few things with dependencies and a few things subsystem
maintainers didn't pick up, so I'm taking them thru my tree.
The fixes from Johan didn't get into linux-next, but they've been
waiting for some time now and they are what's left of what subsystem
maintainers didn't pick up.
Summary:
- Sync dtc with upstream version v1.4.7-14-gc86da84d30e4
- Work to get rid of direct accesses to struct device_node name and
type pointers in preparation for removing them. New helpers for
parsing DT cpu nodes and conversions to use the helpers. printk
conversions to %pOFn for printing DT node names. Most went thru
subystem trees, so this is the remainder.
- Fixes to DT child node lookups to actually be restricted to child
nodes instead of treewide.
- Refactoring of dtb targets out of arch code. This makes the support
more uniform and enables building all dtbs on c6x, microblaze, and
powerpc.
- Various DT binding updates for Renesas r8a7744 SoC
- Vendor prefixes for Facebook, OLPC
- Restructuring of some ARM binding docs moving some peripheral
bindings out of board/SoC binding files
- New "secure-chosen" binding for secure world settings on ARM
- Dual licensing of 2 DT IRQ binding headers"
* tag 'devicetree-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (78 commits)
ARM: dt: relicense two DT binding IRQ headers
power: supply: twl4030-charger: fix OF sibling-node lookup
NFC: nfcmrvl_uart: fix OF child-node lookup
net: stmmac: dwmac-sun8i: fix OF child-node lookup
net: bcmgenet: fix OF child-node lookup
drm/msm: fix OF child-node lookup
drm/mediatek: fix OF sibling-node lookup
of: Add missing exports of node name compare functions
dt-bindings: Add OLPC vendor prefix
dt-bindings: misc: bk4: Add device tree binding for Liebherr's BK4 SPI bus
dt-bindings: thermal: samsung: Add SPDX license identifier
dt-bindings: clock: samsung: Add SPDX license identifiers
dt-bindings: timer: ostm: Add R7S9210 support
dt-bindings: phy: rcar-gen2: Add r8a7744 support
dt-bindings: can: rcar_can: Add r8a7744 support
dt-bindings: timer: renesas, cmt: Document r8a7744 CMT support
dt-bindings: watchdog: renesas-wdt: Document r8a7744 support
dt-bindings: thermal: rcar: Add device tree support for r8a7744
Documentation: dt: Add binding for /secure-chosen/stdout-path
dt-bindings: arm: zte: Move sysctrl bindings to their own doc
...
and generating noise.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Stephen writes:
"clk fixes for v4.19-rc8
One fix for the Allwinner A10 SoC's audio PLL that wasn't properly
set and generating noise."
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: sunxi-ng: sun4i: Set VCO and PLL bias current to lowest setting
This patchset adds CCF compliant clock driver for ZynqMP.
Clock driver queries supported clock information from firmware
and regiters pll and output clocks with CCF.
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Merge tag 'zynqmp-soc-clk-for-v4.20' of https://github.com/Xilinx/linux-xlnx into next/drivers
arm64: zynqmp: SoC CLK changes for v4.20
This patchset adds CCF compliant clock driver for ZynqMP.
Clock driver queries supported clock information from firmware
and regiters pll and output clocks with CCF.
* tag 'zynqmp-soc-clk-for-v4.20' of https://github.com/Xilinx/linux-xlnx:
drivers: clk: Add ZynqMP clock driver
dt-bindings: clock: Add bindings for ZynqMP clock driver
firmware: xilinx: Add zynqmp IOCTL API for device control
Documentation: xilinx: Add documentation for eemi APIs
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This patch adds CCF compliant clock driver for ZynqMP.
Clock driver queries supported clock information from
firmware and regiters pll and output clocks with CCF.
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Tejas Patel <tejasp@xilinx.com>
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Acked-by: Olof Johansson <olof@lixom.net>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
One fix for the Audio PLL that were not properly set and generating noise
on the A10 SoCs.
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Merge tag 'sunxi-clk-fixes-for-4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-fixes
Pull Allwinner clk fixes for 4.19 from Maxime Ripard:
One fix for the Audio PLL that were not properly set and generating noise
on the A10 SoCs.
* tag 'sunxi-clk-fixes-for-4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
clk: sunxi-ng: sun4i: Set VCO and PLL bias current to lowest setting
Use the for_each_of_cpu_node iterator to iterate over cpu nodes. This
has the side effect of defaulting to iterating using "cpu" node names in
preference to the deprecated (for FDT) device_type == "cpu".
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: linux-clk@vger.kernel.org
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Commit d31fd43c0f ("clk: x86: Do not gate clocks enabled by the
firmware"), which added the code to mark clocks as CLK_IS_CRITICAL, causes
all unclaimed PMC clocks on Cherry Trail devices to be on all the time,
resulting on the device not being able to reach S0i3 when suspended.
The reason for this commit is that on some Bay Trail / Cherry Trail devices
the r8169 ethernet controller uses pmc_plt_clk_4. Now that the clk-pmc-atom
driver exports an "ether_clk" alias for pmc_plt_clk_4 and the r8169 driver
has been modified to get and enable this clock (if present) the marking of
the clocks as CLK_IS_CRITICAL is no longer necessary.
This commit removes the CLK_IS_CRITICAL marking, fixing Cherry Trail
devices not being able to reach S0i3 greatly decreasing their battery
drain when suspended.
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=193891#c102
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=196861
Cc: Johannes Stezenbach <js@sig21.net>
Cc: Carlo Caione <carlo@endlessm.com>
Reported-by: Johannes Stezenbach <js@sig21.net>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit d31fd43c0f ("clk: x86: Do not gate clocks enabled by the
firmware") causes all unclaimed PMC clocks on Cherry Trail devices to be on
all the time, resulting on the device not being able to reach S0i2 or S0i3
when suspended.
The reason for this commit is that on some Bay Trail / Cherry Trail devices
the ethernet controller uses pmc_plt_clk_4. This commit adds an "ether_clk"
alias, so that the relevant ethernet drivers can try to (optionally) use
this, without needing X86 specific code / hacks, thus fixing ethernet on
these devices without breaking S0i3 support.
This commit uses clkdev_hw_create() to create the alias, mirroring the code
for the already existing "mclk" alias for pmc_plt_clk_3.
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=193891#c102
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=196861
Cc: Johannes Stezenbach <js@sig21.net>
Cc: Carlo Caione <carlo@endlessm.com>
Reported-by: Johannes Stezenbach <js@sig21.net>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The default mid-level PLL bias current setting interferes with sigma
delta modulation. This manifests as decreased audio quality at lower
sampling rates, which sounds like radio broadcast quality, and
distortion noises at sampling rates at 48 kHz or above.
Changing the bias current settings to the lowest gets rid of the
noise.
Fixes: de34485191 ("clk: sunxi-ng: sun4i: Use sigma-delta modulation
for audio PLL")
Cc: <stable@vger.kernel.org> # 4.15.x
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
System clk provided in ST soc can be set to:
48Mhz, non-spread
25Mhz, spread
To get accurate rate, we need it to set it at non-spread
option which is 48Mhz.
Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Fixes: 421bf6a1f0 ("clk: x86: Add ST oscout platform clock")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
One of the more common cases of allocation size calculations is finding
the size of a structure that has a zero-sized array at the end, along
with memory for some number of elements for that array. For example:
struct foo {
int stuff;
void *entry[];
};
instance = kzalloc(sizeof(struct foo) + sizeof(void *) * count,
GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can
now use the new struct_size() helper:
instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL);
Notice that, currently, there is a bug during the allocation:
sizeof(npcm7xx_clk_data) should be sizeof(*npcm7xx_clk_data)
Fix this bug by using struct_size() in kzalloc()
This issue was detected with the help of Coccinelle.
Cc: stable@vger.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Avi Fishman <avifishman70@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Some of the larger changes this merge window:
- Removal of drivers for Exynos5440, a Samsung SoC that never saw
widespread use.
- Uniphier support for USB3 and SPI reset handling
- Syste control and SRAM drivers and bindings for Allwinner platforms
- Qualcomm AOSS (Always-on subsystem) reset controller drivers
- Raspberry Pi hwmon driver for voltage
- Mediatek pwrap (pmic) support for MT6797 SoC
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Some of the larger changes this merge window:
- Removal of drivers for Exynos5440, a Samsung SoC that never saw
widespread use.
- Uniphier support for USB3 and SPI reset handling
- Syste control and SRAM drivers and bindings for Allwinner platforms
- Qualcomm AOSS (Always-on subsystem) reset controller drivers
- Raspberry Pi hwmon driver for voltage
- Mediatek pwrap (pmic) support for MT6797 SoC"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (52 commits)
drivers/firmware: psci_checker: stash and use topology_core_cpumask for hotplug tests
soc: fsl: cleanup Kconfig menu
soc: fsl: dpio: Convert DPIO documentation to .rst
staging: fsl-mc: Remove remaining files
staging: fsl-mc: Move DPIO from staging to drivers/soc/fsl
staging: fsl-dpaa2: eth: move generic FD defines to DPIO
soc: fsl: qe: gpio: Add qe_gpio_set_multiple
usb: host: exynos: Remove support for Exynos5440
clk: samsung: Remove support for Exynos5440
soc: sunxi: Add the A13, A23 and H3 system control compatibles
reset: uniphier: add reset control support for SPI
cpufreq: exynos: Remove support for Exynos5440
ata: ahci-platform: Remove support for Exynos5440
soc: imx6qp: Use GENPD_FLAG_ALWAYS_ON for PU errata
soc: mediatek: pwrap: add mt6351 driver for mt6797 SoCs
soc: mediatek: pwrap: add pwrap driver for mt6797 SoCs
soc: mediatek: pwrap: fix cipher init setting error
dt-bindings: pwrap: mediatek: add pwrap support for MT6797
reset: uniphier: add USB3 core reset control
dt-bindings: reset: uniphier: add USB3 core reset support
...
Most of the SoC updates in this cycle are cleanups and moves to more
modern infrastructure:
- Davinci was moved to common clock framework
- OMAP1-based Amstrad E3 "Superphone" saw a bunch of cleanups to the
keyboard interface (bitbanged AT keyboard via GPIO).
- Removal of some stale code for Renesas platforms
- Power management improvements for i.MX6LL
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM 32-bit SoC platform updates from Olof Johansson:
"Most of the SoC updates in this cycle are cleanups and moves to more
modern infrastructure:
- Davinci was moved to common clock framework
- OMAP1-based Amstrad E3 "Superphone" saw a bunch of cleanups to the
keyboard interface (bitbanged AT keyboard via GPIO).
- Removal of some stale code for Renesas platforms
- Power management improvements for i.MX6LL"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (112 commits)
ARM: uniphier: select RESET_CONTROLLER
arm64: uniphier: select RESET_CONTROLLER
ARM: uniphier: remove empty Makefile
ARM: exynos: Clear global variable on init error path
ARM: exynos: Remove outdated maintainer information
ARM: shmobile: Always enable ARCH_TIMER on SoCs with A7 and/or A15
ARM: shmobile: r8a7779: hide unused r8a7779_platform_cpu_kill
soc: r9a06g032: don't build SMP files for non-SMP config
ARM: shmobile: Add the R9A06G032 SMP enabler driver
ARM: at91: pm: configure wakeup sources for ULP1 mode
ARM: at91: pm: add PMC fast startup registers defines
ARM: at91: pm: Add ULP1 mode support
ARM: at91: pm: Use ULP0 naming instead of slow clock
ARM: hisi: handle of_iomap and fix missing of_node_put
ARM: hisi: check of_iomap and fix missing of_node_put
ARM: hisi: fix error handling and missing of_node_put
ARM: mx5: Set the DBGEN bit in ARM_GPC register
ARM: imx51: Configure M4IF to avoid visual artifacts
ARM: imx: call imx6sx_cpuidle_init() conditionally for 6sll
ARM: imx: fix i.MX6SLL build
...
We've added duty cycle support to the clk API so that clk signal
duty cycle ratios can be adjusted while taking into account things
like clk dividers and clk tree hierarchy. So far only one SoC has
implemented support for this, but I expect there will be more to
come in the future.
Outside of the core, we have the usual pile of clk driver updates
and additions. The Amlogic meson driver got the most lines in the
diffstat this time around because it added support for a whole bunch
of hardware and duty cycle configuration. After that the Rockchip PX30,
Qualcomm SDM845, and Renesas SoC drivers fill in a majority of the diff.
We're left with the collection of non-critical fixes after that. Overall
it looks pretty quiet this time.
Core:
- Clk duty cycle support
- Proper CLK_SET_RATE_GATE support throughout the tree
New Drivers:
- Actions Semi Owl series S700 SoC clk driver
- Qualcomm SDM845 display clock controller
- i.MX6SX ocram_s clk support
- Uniphier NAND, USB3 PHY, and SPI clk support
- Qualcomm RPMh clk driver
- i.MX7D mailbox clk support
- Maxim 9485 Programmable Clock Generator
- Expose 32 kHz PLL on PXA SoCs
- imx6sll GPIO clk gate support
- Atmel at91 I2S audio clk support
- SI544/SI514 clk on/off support
- i.MX6UL GPIO clock gates in CCM CCGR
- Renesas Crypto Engine clocks on R-Car H3
- Renesas clk support for the new RZ/N1D SoC
- Allwinner A64 display engine clock support
- Support for Rockchip's PX30 SoC
- Amlogic Meson axg PCIe and audio clocks
- Amlogic Meson GEN CLK on gxbb, gxl and axg
Updates:
- Remove an unused variable from Exynos4412 ISP driver
- Fix a thinko bug in SCMI clk division logic
- Add missing of_node_put()s in some i.MX clk drivers
- Tegra SDMMC clk jitter improvements with high speed signaling modes
- SPDX tagging for qcom and cs2000-cp drivers
- Stop leaking con ids in __clk_put()
- Fix a corner case in fixed factor clk probing where node is in DT but
parent clk is registered much later
- Marvell Armada 3700 clk_pm_cpu_get_parent() had an invalid return value
- i.MX clk init arrays removed in place of CLK_IS_CRITICAL
- Convert to CLK_IS_CRITICAL for i.MX51/53 driver
- Fix Tegra BPMP driver oops when xlating a NULL clk
- Proper default configuration for vic03 and vde clks on Tegra124
- Mark Tegra memory controller clks as critical
- Fix array bounds clamp in Tegra's emc determine_rate() op
- Ingenic i2s bit update and allow UDC clk to gate
- Fix name of aspeed SDC clk define to have only one 'CLK'
- Fix i.MX6QDL video clk parent
- Critical clk markings for qcom SDM845
- Fix Stratix10 mpu_free_clk and sdmmc_free_clk parents
- Mark Rockchip's pclk_rkpwm_pmu as critical clock, due to it supplying
the pwm used to drive the logic supply of the rk3399 core.
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"The new and exciting feature this time around is in the clk core.
We've added duty cycle support to the clk API so that clk signal duty
cycle ratios can be adjusted while taking into account things like clk
dividers and clk tree hierarchy. So far only one SoC has implemented
support for this, but I expect there will be more to come in the
future.
Outside of the core, we have the usual pile of clk driver updates and
additions. The Amlogic meson driver got the most lines in the diffstat
this time around because it added support for a whole bunch of
hardware and duty cycle configuration. After that the Rockchip PX30,
Qualcomm SDM845, and Renesas SoC drivers fill in a majority of the
diff. We're left with the collection of non-critical fixes after that.
Overall it looks pretty quiet this time.
Core:
- Clk duty cycle support
- Proper CLK_SET_RATE_GATE support throughout the tree
New Drivers:
- Actions Semi Owl series S700 SoC clk driver
- Qualcomm SDM845 display clock controller
- i.MX6SX ocram_s clk support
- Uniphier NAND, USB3 PHY, and SPI clk support
- Qualcomm RPMh clk driver
- i.MX7D mailbox clk support
- Maxim 9485 Programmable Clock Generator
- expose 32 kHz PLL on PXA SoCs
- imx6sll GPIO clk gate support
- Atmel at91 I2S audio clk support
- SI544/SI514 clk on/off support
- i.MX6UL GPIO clock gates in CCM CCGR
- Renesas Crypto Engine clocks on R-Car H3
- Renesas clk support for the new RZ/N1D SoC
- Allwinner A64 display engine clock support
- support for Rockchip's PX30 SoC
- Amlogic Meson axg PCIe and audio clocks
- Amlogic Meson GEN CLK on gxbb, gxl and axg
Updates:
- remove an unused variable from Exynos4412 ISP driver
- fix a thinko bug in SCMI clk division logic
- add missing of_node_put()s in some i.MX clk drivers
- Tegra SDMMC clk jitter improvements with high speed signaling modes
- SPDX tagging for qcom and cs2000-cp drivers
- stop leaking con ids in __clk_put()
- fix a corner case in fixed factor clk probing where node is in DT
but parent clk is registered much later
- Marvell Armada 3700 clk_pm_cpu_get_parent() had an invalid return
value
- i.MX clk init arrays removed in place of CLK_IS_CRITICAL
- convert to CLK_IS_CRITICAL for i.MX51/53 driver
- fix Tegra BPMP driver oops when xlating a NULL clk
- proper default configuration for vic03 and vde clks on Tegra124
- mark Tegra memory controller clks as critical
- fix array bounds clamp in Tegra's emc determine_rate() op
- Ingenic i2s bit update and allow UDC clk to gate
- fix name of aspeed SDC clk define to have only one 'CLK'
- fix i.MX6QDL video clk parent
- critical clk markings for qcom SDM845
- fix Stratix10 mpu_free_clk and sdmmc_free_clk parents
- mark Rockchip's pclk_rkpwm_pmu as critical clock, due to it
supplying the pwm used to drive the logic supply of the rk3399
core"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (85 commits)
clk: rockchip: Add pclk_rkpwm_pmu to PMU critical clocks in rk3399
clk: cs2000-cp: convert to SPDX identifiers
clk: scmi: Fix the rounding of clock rate
clk: qcom: Add display clock controller driver for SDM845
clk: mvebu: armada-37xx-periph: Remove unused var num_parents
clk: samsung: Remove unused mout_user_aclk400_mcuisp_p4x12 variable
clk: actions: Add S700 SoC clock support
dt-bindings: clock: Add S700 support for Actions Semi Soc's
clk: actions: Add missing REGMAP_MMIO dependency
clk: uniphier: add clock frequency support for SPI
clk: uniphier: add more USB3 PHY clocks
clk: uniphier: add NAND 200MHz clock
clk: tegra: make sdmmc2 and sdmmc4 as sdmmc clocks
clk: tegra: Add sdmmc mux divider clock
clk: tegra: Refactor fractional divider calculation
clk: tegra: Fix includes required by fence_udelay()
clk: imx6sll: fix missing of_node_put()
clk: imx6ul: fix missing of_node_put()
clk: imx: add ocram_s clock for i.mx6sx
clk: mvebu: armada-37xx-periph: Fix wrong return value in get_parent
...
* clk-qcom-rpmh:
: - Qualcomm RPMh clk driver
clk: qcom: clk-rpmh: Add QCOM RPMh clock driver
* clk-qcom-spdx:
: - SPDX tagging for qcom
clk: qcom: Update SPDX headers for common files
* clk-con-id-leak:
: - Stop leaking con ids in __clk_put()
clk: core: Potentially free connection id
* clk-fixed-factor-populated:
: - Fix a corner case in fixed factor clk probing where node is in DT but
: parent clk is registered much later
clk: clk-fixed-factor: Clear OF_POPULATED flag in case of failure
* clk-mvebu-periph-parent:
: - Marvell Armada 3700 clk_pm_cpu_get_parent() had an invalid return value
clk: mvebu: armada-37xx-periph: Remove unused var num_parents
clk: mvebu: armada-37xx-periph: Fix wrong return value in get_parent
* clk-imx-critical:
: - Convert to CLK_IS_CRITICAL for i.MX51/53 driver
clk: imx51-imx53: Include sizes.h to silence compile errors
clk: imx51-imx53: Annotate critical clocks as CLK_IS_CRITICAL
* clk-tegra-bpmp:
: - Fix Tegra BPMP driver oops when some xlating a NULL clk
clk: tegra: bpmp: Don't crash when a clock fails to register
* clk-tegra-124:
: - Proper default configuration for vic03 and vde clks on Tegra124
clk: tegra: Make vde a child of pll_c3
clk: tegra: Make vic03 a child of pll_c3
* clk-tegra-critical:
: - Mark Tegra memory controller clks as critical
clk: tegra: Mark Memory Controller clock as critical
* clk-tegra-emc-oob:
: - Fix array bounds clamp in Tegra's emc determine_rate() op
clk: tegra: emc: Avoid out-of-bounds bug
It's been busy summer weeks and hence lots of changes, partly for a
few new drivers and partly for a wide range of fixes.
Here are highlights:
ALSA Core:
- Fix rawmidi buffer management, code cleanup / refactoring
- Fix the SG-buffer page handling with incorrect fallback size
- Fix the stall at virmidi trigger callback with a large buffer;
also offloading and code-refactoring along with it
- Various ALSA sequencer code cleanups
ASoC:
- Deploy the standard snd_pcm_stop_xrun() helper in several drivers
- Support for providing name prefixes to generic component nodes
- Quite a few fixes for DPCM as it gains a bit wider use and more
robust testing
- Generalization of the DIO2125 support to a simple amplifier driver
- Accessory detection support for the audio graph card
- DT support for PXA AC'97 devices
- Quirks for a number of new x86 systems
- Support for AM Logic Meson, Everest ES7154, Intel systems with
RT5682, Qualcomm QDSP6 and WCD9335, Realtek RT5682 and TI TAS5707
HD-audio:
- Code refactoring in HD-audio ext codec codes to drop own classes;
preliminary works for the upcoming legacy codec support
- Generalized DRM audio component for the upcoming radeon / amdgpu
support
- Unification of mic mute-LED and GPIO support for various codecs
- Further improvement of CA0132 codec support including Recon3D
- Proper vga_switcheroo handling for AMD i-GPU
- Update of model list in documentation
- Fixups for another HP Spectre x360, Conexant codecs, power-save
blacklist update
USB-audio:
- Fix the invalid sample rate setup with external clock
- Support of UAC3 selector units and processing units
- Basic UAC3 power-domain support
- Support for Encore mDSD and Thesycon-based DSD devices
- Preparation for future complete callback changes
Firewire:
- Add support for MOTU Traveler
Misc:
- The endianess notation fixes in various drivers
- Add fall-through comment in lots of drivers
- Various sparse warning fixes, e.g. about PCM format types
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Merge tag 'sound-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"It's been busy summer weeks and hence lots of changes, partly for a
few new drivers and partly for a wide range of fixes.
Here are highlights:
ALSA Core:
- Fix rawmidi buffer management, code cleanup / refactoring
- Fix the SG-buffer page handling with incorrect fallback size
- Fix the stall at virmidi trigger callback with a large buffer; also
offloading and code-refactoring along with it
- Various ALSA sequencer code cleanups
ASoC:
- Deploy the standard snd_pcm_stop_xrun() helper in several drivers
- Support for providing name prefixes to generic component nodes
- Quite a few fixes for DPCM as it gains a bit wider use and more
robust testing
- Generalization of the DIO2125 support to a simple amplifier driver
- Accessory detection support for the audio graph card
- DT support for PXA AC'97 devices
- Quirks for a number of new x86 systems
- Support for AM Logic Meson, Everest ES7154, Intel systems with
RT5682, Qualcomm QDSP6 and WCD9335, Realtek RT5682 and TI TAS5707
HD-audio:
- Code refactoring in HD-audio ext codec codes to drop own classes;
preliminary works for the upcoming legacy codec support
- Generalized DRM audio component for the upcoming radeon / amdgpu
support
- Unification of mic mute-LED and GPIO support for various codecs
- Further improvement of CA0132 codec support including Recon3D
- Proper vga_switcheroo handling for AMD i-GPU
- Update of model list in documentation
- Fixups for another HP Spectre x360, Conexant codecs, power-save
blacklist update
USB-audio:
- Fix the invalid sample rate setup with external clock
- Support of UAC3 selector units and processing units
- Basic UAC3 power-domain support
- Support for Encore mDSD and Thesycon-based DSD devices
- Preparation for future complete callback changes
Firewire:
- Add support for MOTU Traveler
Misc:
- The endianess notation fixes in various drivers
- Add fall-through comment in lots of drivers
- Various sparse warning fixes, e.g. about PCM format types"
* tag 'sound-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (529 commits)
ASoC: adav80x: mark expected switch fall-through
ASoC: da7219: Add delays to capture path to remove DC offset noise
ALSA: usb-audio: Mark expected switch fall-through
ALSA: mixart: Mark expected switch fall-through
ALSA: opl3: Mark expected switch fall-through
ALSA: hda/ca0132 - Add exit commands for Recon3D
ALSA: hda/ca0132 - Change mixer controls for Recon3D
ALSA: hda/ca0132 - Add Recon3D input and output select commands
ALSA: hda/ca0132 - Add DSP setup defaults for Recon3D
ALSA: hda/ca0132 - Add Recon3D startup functions and setup
ALSA: hda/ca0132 - Add bool variable to enable/disable pci region2 mmio
ALSA: hda/ca0132 - Add Recon3D pincfg
ALSA: hda/ca0132 - Add quirk ID and enum for Recon3D
ALSA: hda/ca0132 - Add alt_functions unsolicited response
ALSA: hda/ca0132 - Clean up ca0132_init function.
ALSA: hda/ca0132 - Create mmio gpio function to make code clearer
ASoC: wm_adsp: Make DSP name configurable by codec driver
ASoC: wm_adsp: Declare firmware controls from codec driver
ASoC: max98373: Added software reset register to readable registers
ASoC: wm_adsp: Correct DSP pointer for preloader control
...
Pull ARM clkdev updates from Russell King:
"A couple of cleanups for clkdev"
* 'clkdev' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8778/1: clkdev: don't call __of_clk_get_by_name() unnecessarily from clk_get()
ARM: 8776/1: clkdev: Remove duplicated negative index check from __of_clk_get()
The way this function is implemented caused some confusion when
converting the TI DaVinci platform to using the common clock framework.
Current kernel supports booting DaVinci boards both in device tree as
well as legacy, board-file mode. In the latter, we always end up
calling clk_get_sys() as of_node is NULL and __of_clk_get_by_name()
returns -ENOENT.
It was not obvious at first glance how clk_get(dev, NULL) will work in
board-file mode since we always call __of_clk_get_by_name(). Let's make
it clearer by checking if of_node is NULL and skipping right to
clk_get_sys().
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: David Lechner <david@lechnology.com>
Reviewed-by: David Lechner <david@lechnology.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
PWM2 is commonly used to control voltage of PWM regulator of VDD_LOG in
RK3399. On the Firefly-RK3399 board, PWM2 outputs 40 KHz square wave
from power on and the VDD_LOG is about 0.9V. When the kernel boots
normally into the system, the PWM2 keeps outputing PWM signal.
But the kernel hangs randomly after "Starting kernel ..." line on that
board. When it happens, PWM2 outputs high level which causes VDD_LOG
drops to 0.4V below the normal operating voltage.
By adding "pclk_rkpwm_pmu" to the rk3399_pmucru_critical_clocks array,
PWM clock is ensured to be prepared at startup and the PWM2 output is
normal. After repeated tests, the early boot hang is gone.
This patch works on both Firefly-RK3399 and ROC-RK3399-PC boards.
Signed-off-by: Levin Du <djw@t-chip.com.cn>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This fix rounds the clock rate properly by using quotient and not
remainder in the calculation. This issue was found while testing HDMI
in the Juno platform.
Fixes: 6d6a1d82ea ("clk: add support for clocks provided by SCMI")
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add support for the display clock controller found on SDM845
based devices. This would allow display drivers to probe and
control their clocks.
Signed-off-by: Taniya Das <tdas@codeaurora.org>
[sboyd@kernel.org: Remove CLK_GET_RATE_NOCACHE everywhere]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
When building armada-37xx-periph, num_parents isn't used in function
clk_pm_cpu_get_parent:
drivers/clk/mvebu/armada-37xx-periph.c: In function ‘clk_pm_cpu_get_parent’:
drivers/clk/mvebu/armada-37xx-periph.c:419:6: warning: unused variable ‘num_parents’ [-Wunused-variable]
int num_parents = clk_hw_get_num_parents(hw);
^~~~~~~~~~~
Remove the declaration of num_parents to dispose the warning.
Fixes: 616bf80d38 ("clk: mvebu: armada-37xx-periph: Fix wrong return value in get_parent")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Remove unused 'mout_user_aclk400_mcuisp_p4x12' variable to fix GCC warning:
drivers/clk/samsung/clk-exynos4412-isp.c:40:27: warning:
'mout_user_aclk400_mcuisp_p4x12' defined but not used [-Wunused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The Exynos5440 (quad-core A15 with GMAC, PCIe, SATA) was targeting
server platforms but it did not make it to the market really. There are
no development boards with it and probably there are no real products
neither. The development for Exynos5440 ended in 2013 and since then
the platform is in maintenance mode.
Removing Exynos5440 makes our life slightly easier: less maintenance,
smaller code, reduced number of quirks, no need to preserve DTB
backward-compatibility.
The Device Tree sources and some of the drivers for Exynos5440 were
already removed. This removes remaining drivers.
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Merge tag 'samsung-drivers-exynos5440-4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers
Exynos5440 drivers removal
The Exynos5440 (quad-core A15 with GMAC, PCIe, SATA) was targeting
server platforms but it did not make it to the market really. There are
no development boards with it and probably there are no real products
neither. The development for Exynos5440 ended in 2013 and since then
the platform is in maintenance mode.
Removing Exynos5440 makes our life slightly easier: less maintenance,
smaller code, reduced number of quirks, no need to preserve DTB
backward-compatibility.
The Device Tree sources and some of the drivers for Exynos5440 were
already removed. This removes remaining drivers.
* tag 'samsung-drivers-exynos5440-4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
usb: host: exynos: Remove support for Exynos5440
clk: samsung: Remove support for Exynos5440
cpufreq: exynos: Remove support for Exynos5440
ata: ahci-platform: Remove support for Exynos5440
Signed-off-by: Olof Johansson <olof@lixom.net>
Add USB3 PHY clocks where missing. Use fixed-factor clocks for those
without gating.
For clarification, prefix clock names with 'ss' or 'hs'.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The Denali NAND controller IP needs three clocks:
- clk: controller core clock
- clk_x: bus interface clock
- ecc_clk: clock at which ECC circuitry is run
Currently, only the first one (50MHz) is provided. The rest of the
two clock ports must be connected to the 200MHz clock line. Add this.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
These clocks have low jitter paths to certain parents. To model these
correctly, use the sdmmc mux divider clock type.
Signed-off-by: Peter De-Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add a clock type to model the sdmmc switch divider clocks which have paths
to source clocks bypassing the divider (Low Jitter paths). These
are handled by selecting the lj path when the divider is 1 (ie the
rate is the parent rate), otherwise the normal path with divider
will be selected. Otherwise this clock behaves as a normal peripheral
clock.
Signed-off-by: Peter De-Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Move this to a separate file so it can be used to calculate the sdmmc
clock dividers.
Signed-off-by: Peter De-Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add the missing linux/delay.h include statement for udelay() used by
fence_udelay() macro.
Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
of_find_compatible_node() is returning a device node with refcount
incremented and must be explicitly decremented after the last use
which is right after the us in of_iomap() here.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Fixes: 4a5f720b65 ("clk: imx: add clock driver for imx6sll")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
of_find_compatible_node() is returning a device node with refcount
incremented and must be explicitly decremented after the last use
which is right after the us in of_iomap() here.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Fixes: 787b4271a6 ("clk: imx: add imx6ul clk tree support")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
i.MX6SX has a 16KB always-on ocram bank called
ocram_s, and its clock gate in CCM CCGR1 CG14
needs to be enabled before access, add it to
clock tree.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The return value of the get_parent operation is a u8, whereas a -EINVAL
was returned. This wrong value was return if the value was bigger that
the number of parent but this case was already handled by the core.
So we can just remove this chunk of code to fix the issue.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 9818a7a4fd ("clk: mvebu: armada-37xx-periph: prepare cpu clk to
be used with DVFS")
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Fixed factor clock has two initializations at of_clk_init() time
and during platform driver probe. Before of_clk_init() call,
node is marked as populated and so its probe never gets called.
During of_clk_init() fixed factor clock registration may fail if
any of its parent clock is not registered. In this case, it doesn't
get chance to retry registration from probe. Clear OF_POPULATED
flag if fixed factor clock registration fails so that clock
registration is attempted again from probe.
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Patch "clk: core: Copy connection id" made it so that the connector id
'con_id' is kstrdup_const()ed to cater to drivers that pass non-constant
connection ids. The patch added the corresponding kfree_const to
__clk_free_clk(), but struct clk's can be freed also via __clk_put().
Add the kfree_const call to __clk_put() and add comments to both
functions to remind that the logic in them should be kept in sync.
Fixes: 253160a8ad ("clk: core: Copy connection id")
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
SPDX headers updated for common/branch/pll/regmap files.
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
