A few fixes for a bunch of clocks on a few SoCs. The most important one is
probably one that fixes the NKMP clock frequency calculation and could end
up with clocking the CPU frequency to out of bounds rates.
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Merge tag 'sunxi-clk-fixes-for-4.11' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-fixes
Pull Allwinner clock fixes from Maxime Ripard:
A few fixes for a bunch of clocks on a few SoCs. The most important one is
probably one that fixes the NKMP clock frequency calculation and could end
up with clocking the CPU frequency to out of bounds rates.
* tag 'sunxi-clk-fixes-for-4.11' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
clk: sunxi-ng: fix recalc_rate formula of NKMP clocks
clk: sunxi-ng: Fix div/mult settings for osc12M on A64
clk: sunxi-ng: sun6i: Fix enable bit offset for hdmi-ddc module clock
clk: sunxi: ccu-sun5i needs nkmp
clk: sunxi-ng: mp: Adjust parent rate for pre-dividers
In commit e66f81bbd7 ("clk: sunxi-ng: Implement factors offsets"), the
final formula of NKMP clocks' recalc_rate is refactored; however, the
refactored formula broke the calculation due to some C language operand
priority problem -- the priority of operand >> is lower than * and /,
makes the formula being parsed as "(parent_rate * n * k) >> (p / m)", but
it should be "(parent_rate * n * k >> p) / m".
Add the pair of parentheses to fix up this issue. This pair of
parentheses used to exist in the old formula.
Fixes: e66f81bbd7 ("clk: sunxi-ng: Implement factors offsets")
Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
The mult/div for osc12M was previously backwards (giving a 48M rate
for osc12M). Fix it.
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Tested-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
The shared uart-pll is on boot a child of the apll that can get changed
by cpu frequency scaling. So move it away to the more stable gpll to
make sure the uart doesn't break on cpu frequency changes.
This turned up during the 4.11 merge-window when commit
6a171b2993 ("serial: 8250_dw: Allow hardware flow control to be used")
added general termios enablement making the uart on rk3036 change
frequency and thus making it susceptible for the frequency scaling issue.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The mux_pll_src_apll_dpll_gpll_usb480m_p parent list was missing a ","
between the 3rd and 4th parent names, making them fall together and thus
lookups fail. Fix that.
Fixes: 5190c08b29 ("clk: rockchip: add clock controller for rk3036")
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Some drivers use sprintf to build clk connection id names but the clk
core will save those strings and occasionally print them back. Duplicate
the con_id strings instead of fixing all the users.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The enable bit offset for the hdmi-ddc module clock is wrong. It is
pointing to the main hdmi module clock enable bit.
Reported-by: Bob Ham <rah@settrans.net>
Fixes: c6e6c96d8f ("clk: sunxi-ng: Add A31/A31s clocks")
Cc: stable@vger.kernel.org # 4.9.x-
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
A randconfig build ran into this rare link error:
drivers/clk/sunxi-ng/ccu-sun5i.o:(.data.__compound_literal.1+0x4): undefined reference to `ccu_nkmp_ops'
drivers/clk/sunxi-ng/ccu-sun5i.o:(.data.__compound_literal.7+0x4): undefined reference to `ccu_nkmp_ops'
This adds the missing 'select'.
Fixes: 5e73761786 ("clk: sunxi-ng: Add sun5i CCU driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
The MP style clocks support an mux with pre-dividers. While the driver
correctly accounted for them in the .determine_rate callback, it did
not in the .recalc_rate and .set_rate callbacks.
This means when calculating the factors in the .set_rate callback, they
would be off by a factor of the active pre-divider. Same goes for
reading back the clock rate after it is set.
Cc: stable@vger.kernel.org
Fixes: 2ab836db50 ("clk: sunxi-ng: Add M-P factor clock support")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
These updates have been kept in a separate branch mostly because
they rely on updates to the respective clk drivers to keep the
shared header files in sync.
This includes two branches for arm64 dt updates, both following up
on earlier changes for the same platforms that are already merged:
Samsung:
- add USB3 support in Exynos7
- minor PM related updates
Amlogic:
- new machines: WeTek Set-top-boxes
- various devices added to DT
There are also a couple of bugfixes that trickled in since the
start of the merge window:
- The moxart_defconfig was not building the intended platform
- CPU-hotplug was broken on ux500
- Coresight was broken on Juno (never worked)
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late DT updates from Arnd Bergmann:
"These updates have been kept in a separate branch mostly because they
rely on updates to the respective clk drivers to keep the shared
header files in sync.
This includes two branches for arm64 dt updates, both following up on
earlier changes for the same platforms that are already merged:
Samsung:
- add USB3 support in Exynos7
- minor PM related updates
Amlogic:
- new machines: WeTek Set-top-boxes
- various devices added to DT
There are also a couple of bugfixes that trickled in since the start
of the merge window:
- The moxart_defconfig was not building the intended platform
- CPU-hotplug was broken on ux500
- Coresight was broken on Juno (never worked)"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
ARM: deconfig: fix the moxart defconfig
ARM: ux500: resume the second core properly
arm64: dts: juno: update definition for programmable replicator
arm64: dts: exynos: Add regulators for Vbus and Vbus-Boost
arm64: dts: exynos: Add USB 3.0 controller node for Exynos7
arm64: dts: exynos: Use macros for pinctrl configuration on Exynos7
pinctrl: dt-bindings: samsung: Add Exynos7 specific pinctrl macro definitions
arm64: dts: exynos: Add initial configuration for DISP clocks for TM2/TM2e
ARM64: dts: meson-gxbb-p200: add ADC laddered keys
ARM64: dts: meson: meson-gx: add the SAR ADC
ARM64: dts: meson-gxl: add the pwm_ao_b pin
ARM64: dts: meson-gx: add the missing pwm_AO_ab node
clk: gxbb: fix CLKID_ETH defined twice
ARM64: dts: meson-gxl: rename Nexbox A95x for consistency
clk: gxbb: add the SAR ADC clocks and expose them
dt-bindings: amlogic: Add WeTek boards
ARM64: dts: meson-gxbb: Add support for WeTek Hub and Play
dt-bindings: vendor-prefix: Add wetek vendor prefix
ARM64: dts: meson-gxm: Rename q200 and q201 DT files for consistency
ARM64: dts: meson-gx: Add HDMI HPD/DDC pinctrl nodes
...
to existing clk drivers. The bulk of the work is on Allwinner and
Rockchip SoCs, but there's also an Intel Atom driver in here too.
New Drivers:
- Tegra BPMP firmware
- Hisilicon hi3660 SoCs
- Rockchip rk3328 SoCs
- Intel Atom PMC
- STM32F746
- IDT VersaClock 5P49V5923 and 5P49V5933
- Marvell mv98dx3236 SoCs
- Allwinner V3s SoCs
Removed Drivers:
- Samsung Exynos4415 SoCs
Updates:
- Migrate ABx500 to OF
- Qualcomm IPQ4019 CPU clks and general PLL support
- Qualcomm MSM8974 RPM
- Rockchip non-critical fixes and clk id additions
- Samsung Exynos4412 CPUs
- Socionext UniPhier NAND and eMMC support
- ZTE zx296718 i2s and other audio clks
- Renesas CAN and MSIOF clks for R-Car M3-W
- Renesas resets for R-Car Gen2 and Gen3 and RZ/G1
- TI CDCE913, CDCE937, and CDCE949 clk generators
- Marvell Armada ap806 CPU frequencies
- STM32F4* I2S/SAI support
- Broadcom BCM2835 DSI support
- Allwinner sun5i and A80 conversion to new style clk bindings
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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 usual collection of new drivers, non-critical fixes, and updates
to existing clk drivers. The bulk of the work is on Allwinner and
Rockchip SoCs, but there's also an Intel Atom driver in here too.
New Drivers:
- Tegra BPMP firmware
- Hisilicon hi3660 SoCs
- Rockchip rk3328 SoCs
- Intel Atom PMC
- STM32F746
- IDT VersaClock 5P49V5923 and 5P49V5933
- Marvell mv98dx3236 SoCs
- Allwinner V3s SoCs
Removed Drivers:
- Samsung Exynos4415 SoCs
Updates:
- Migrate ABx500 to OF
- Qualcomm IPQ4019 CPU clks and general PLL support
- Qualcomm MSM8974 RPM
- Rockchip non-critical fixes and clk id additions
- Samsung Exynos4412 CPUs
- Socionext UniPhier NAND and eMMC support
- ZTE zx296718 i2s and other audio clks
- Renesas CAN and MSIOF clks for R-Car M3-W
- Renesas resets for R-Car Gen2 and Gen3 and RZ/G1
- TI CDCE913, CDCE937, and CDCE949 clk generators
- Marvell Armada ap806 CPU frequencies
- STM32F4* I2S/SAI support
- Broadcom BCM2835 DSI support
- Allwinner sun5i and A80 conversion to new style clk bindings"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (130 commits)
clk: renesas: mstp: ensure register writes complete
clk: qcom: Do not drop device node twice
clk: mvebu: adjust clock handling for the CP110 system controller
clk: mvebu: Expand mv98dx3236-core-clock support
clk: zte: add i2s clocks for zx296718
clk: sunxi-ng: sun9i-a80: Fix wrong pointer passed to PTR_ERR()
clk: sunxi-ng: select SUNXI_CCU_MULT for sun5i
clk: sunxi-ng: Check kzalloc() for errors and cleanup error path
clk: tegra: Add BPMP clock driver
clk: uniphier: add eMMC clock for LD11 and LD20 SoCs
clk: uniphier: add NAND clock for all UniPhier SoCs
ARM: dts: sun9i: Switch to new clock bindings
clk: sunxi-ng: Add A80 Display Engine CCU
clk: sunxi-ng: Add A80 USB CCU
clk: sunxi-ng: Add A80 CCU
clk: sunxi-ng: Support separately grouped PLL lock status register
clk: sunxi-ng: mux: Get closest parent rate possible with CLK_SET_RATE_PARENT
clk: sunxi-ng: mux: honor CLK_SET_RATE_NO_REPARENT flag
clk: sunxi-ng: mux: Fix determine_rate for mux clocks with pre-dividers
clk: qcom: SDHCI enablement on Nexus 5X / 6P
...
A total of 380 patches this time, mostly adding support for more hardware
in the device tree descriptions. There is not much exciting here for 4.11,
but I've tried my best to condense the information from the pull requests
I got into a readable summary.
Noteworthy changes to existing platforms include:
- The GIC memory map was a bit wrong almost everywhere and now
gets fixed up
- The Allwinner platforms convert to the generic pinmux properties
- The Marvell EBU platforms now use the new DSA binding
- Samsung Exynos4212 was unused and gets removed
- The Renesas power management got improved
New production machines:
- Lego Mindstorms EV3
https://www.lego.com/en-us/mindstorms/about-ev3
- Beelink X2 Android media box
http://linux-sunxi.org/Beelink_X2
- "Romulus" baseboard management controller for OpenPower
- Axentia TSE-850 Data Radio Channel (DARC) encoder
http://www.axentia.se/db/equipment.html
- Luxul XAP-1410 and XWR-1200 wireless access points
https://luxul.com/xap-1410
New SoCs:
- Allwinner H2+ and V3s, both minor variations of already
supported chips
http://www.allwinnertech.com/index.php?c=product&a=index&id=38
- Marvell Prestera DX packet processors based on Armada XP architecture
http://www.marvell.com/switching/prestera-dx/
- Samsung Exynos4412 Prime gets added, a minor variation of Exynos4412
New developer and reference boards:
- Lichee Pi One, Lichee Pi Zero and Orange Pi Zero,
all based on Allwinner SoCs
http://linux-sunxi.org/LicheePi_Onehttp://www.orangepi.org/orangepizero/
- SAMA5d36ek Reference platform
http://www.atmel.com/tools/sama5d36-ek.aspx
- Beaglebone Green Wireless and Black Wireless
https://beagleboard.org/black-wirelesshttps://beagleboard.org/green-wireless
- phyCORE-AM335x System on Module
http://phytec.com/products/system-on-modules/phycore/am335x/
- New revision of "vf610-zii" Zodiac Inflight Innovations board
- Various i.MX System-on-Module: Is.IoT MX6UL, SavageBoard, Engicam i.Core
http://www.opossom.com/english/index.htmlhttp://www.savageboard.org/http://www.engicam.com/en/products/embedded/som/sodimm/is-iot-mx6ulhttp://www.engicam.com/en/products/embedded/som/sodimm/i-core-m6s-dl-d-q
- Liebherr (LWN) monitor 6 based on i.MX6 Quad, no idea what this is
Cleanups and bugfixes on at91, bcm53xx, i.MX, mvebu, omap, oxnas, qcom,
rockchip, sti, stm32 and tegra
New device supports added to some boards and SoCs, briefly by platform:
- Allwinner: SPDIF, A33 cpufreq, A33 Mali GPU
- Aspeed: network, ipmi bt, gpio, pinmux
- Broadcom: video encoder for raspberry pi, qspi, ethernet, sd/mmc
- TI DaVinci: gpio, lcdc, usb, video-in, uart
- TI Keystone 2: MSM RAM, power/reset, uart
- Mediatek MT2701: clocks, iommu, spi, nand, adc, thermal
- Marvell EBU: ethernet switch on Turris Omnia
- NXP i.MX: otp ram, USB, wifi, bluetooth, spdif, spi, pmic,
eeprom, mmc, nand
- TI OMAP:
- Qualcomm: coresight, gyro/accelerometer, hdmi
- Renesas: pmic, soc-id
- Rockchip: qos
- Samsung: audio on Odroid-X
- Socfpga: FPGA manager, i2c, led, can, watchdog, nand, power monitor
- STi: video in/out
- STM32: timer, pwm, i2c, rtc, add, i2s
- NVIDIA Tegra: tpm
- Uniphier: mmc/sd pinmux
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM DT updates from Arnd Bergmann:
"A total of 380 patches this time, mostly adding support for more
hardware in the device tree descriptions. There is not much exciting
here for 4.11, but I've tried my best to condense the information from
the pull requests I got into a readable summary.
Noteworthy changes to existing platforms include:
- The GIC memory map was a bit wrong almost everywhere and now gets
fixed up
- The Allwinner platforms convert to the generic pinmux properties
- The Marvell EBU platforms now use the new DSA binding
- Samsung Exynos4212 was unused and gets removed
- The Renesas power management got improved
New production machines:
- Lego Mindstorms EV3:
https://www.lego.com/en-us/mindstorms/about-ev3
- Beelink X2 Android media box:
http://linux-sunxi.org/Beelink_X2
- "Romulus" baseboard management controller for OpenPower
- Axentia TSE-850 Data Radio Channel (DARC) encoder:
http://www.axentia.se/db/equipment.html
- Luxul XAP-1410 and XWR-1200 wireless access points:
https://luxul.com/xap-1410
New SoCs:
- Allwinner H2+ and V3s, both minor variations of already supported
chips:
http://www.allwinnertech.com/index.php?c=product&a=index&id=38
- Marvell Prestera DX packet processors based on Armada XP
architecture:
http://www.marvell.com/switching/prestera-dx/
- Samsung Exynos4412 Prime gets added, a minor variation of
Exynos4412
New developer and reference boards:
- Lichee Pi One, Lichee Pi Zero and Orange Pi Zero, all based on
Allwinner SoCs:
http://linux-sunxi.org/LicheePi_Onehttp://www.orangepi.org/orangepizero/
- SAMA5d36ek Reference platform:
http://www.atmel.com/tools/sama5d36-ek.aspx
- Beaglebone Green Wireless and Black Wireless:
https://beagleboard.org/black-wirelesshttps://beagleboard.org/green-wireless
- phyCORE-AM335x System on Module:
http://phytec.com/products/system-on-modules/phycore/am335x/
- New revision of "vf610-zii" Zodiac Inflight Innovations board
- Various i.MX System-on-Module: Is.IoT MX6UL, SavageBoard, Engicam
i.Core:
http://www.opossom.com/english/index.htmlhttp://www.savageboard.org/http://www.engicam.com/en/products/embedded/som/sodimm/is-iot-mx6ulhttp://www.engicam.com/en/products/embedded/som/sodimm/i-core-m6s-dl-d-q
- Liebherr (LWN) monitor 6 based on i.MX6 Quad, no idea what this is
- Cleanups and bugfixes on at91, bcm53xx, i.MX, mvebu, omap, oxnas,
qcom, rockchip, sti, stm32 and tegra
New device supports added to some boards and SoCs, briefly by platform:
- Allwinner: SPDIF, A33 cpufreq, A33 Mali GPU
- Aspeed: network, ipmi bt, gpio, pinmux
- Broadcom: video encoder for raspberry pi, qspi, ethernet, sd/mmc
- TI DaVinci: gpio, lcdc, usb, video-in, uart
- TI Keystone 2: MSM RAM, power/reset, uart
- Mediatek MT2701: clocks, iommu, spi, nand, adc, thermal
- Marvell EBU: ethernet switch on Turris Omnia
- NXP i.MX: otp ram, USB, wifi, bluetooth, spdif, spi, pmic, eeprom,
mmc, nand
- TI OMAP:
- Qualcomm: coresight, gyro/accelerometer, hdmi
- Renesas: pmic, soc-id
- Rockchip: qos
- Samsung: audio on Odroid-X
- Socfpga: FPGA manager, i2c, led, can, watchdog, nand, power monitor
- STi: video in/out
- STM32: timer, pwm, i2c, rtc, add, i2s
- NVIDIA Tegra: tpm
- Uniphier: mmc/sd pinmux"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (380 commits)
ARM: dts: armada-385-linksys: fix DSA compatible property
ARM: dts: Fix typo in armada-xp-98dx4251
ARM: DTS: Fix register map for virt-capable GIC
dt-bindings: arm,gic: Fix binding example for a virt-capable GIC
ARM: dts: sun8i: sinlinx: Enable audio nodes
ARM: dts: sun8i: parrot: Enable audio nodes
ARM: dts: sun8i: Add audio codec, dai and card for A33
ARM: dts: Add EMAC AXI settings for Arria10
ARM: dts: am335x-chiliboard: Support charger
ARM: dts: am335x-chiliboard: Support power button
ARM: sun8i: dt: Add mali node
dt-bindings: gpu: Add Mali Utgard bindings
ARM: dts: stm32: Add I2C1 support for STM32429 eval board
ARM: dts: stm32: Add I2C1 support for STM32F429 SoC
ARM: dts: stm32: Use clock DT binding definition on stm32f429 family
dt-bindings: mfd: stm32f4: Add missing binding definition
dt-bindings: mfd: stm32f4: Fix STM32F4_X_CLOCK() macro
ARM: dts: stm32: Enable pwm1 and pwm3 for stm32f469-disco
ARM: dts: stm32: add Timers driver for stm32f429 MCU
ARM: dts: add the AB8500 sysclk to the device trees
...
When there is no status bit, it is possible for the clock enable/disable
operation to have not completed by the time the driver code resumes
execution. This is due to the fact that write operations are sometimes
queued and delayed internally. Doing a read ensures the write operations
has completed.
Fixes: b6face404f ("ARM: shmobile: r7s72100: add essential clock nodes to dtsi")
Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
1. Add necessary initial configuration for clocks of display subsystem.
Till now it worked mostly thanks to bootloader.
2. Use macro definitions instead of hard-coded values for pinctrl on Exynos7.
3. Enable USB 3.0 (DWC3) on Exynos7.
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Merge tag 'samsung-dt64-4.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/late
Pull "Samsung DeviceTree ARM64 update for v4.11, third round" from Krzysztof Kozłowski:
1. Add necessary initial configuration for clocks of display subsystem.
Till now it worked mostly thanks to bootloader.
2. Use macro definitions instead of hard-coded values for pinctrl on Exynos7.
3. Enable USB 3.0 (DWC3) on Exynos7.
* tag 'samsung-dt64-4.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux: (27 commits)
arm64: dts: exynos: Add regulators for Vbus and Vbus-Boost
arm64: dts: exynos: Add USB 3.0 controller node for Exynos7
arm64: dts: exynos: Use macros for pinctrl configuration on Exynos7
pinctrl: dt-bindings: samsung: Add Exynos7 specific pinctrl macro definitions
arm64: dts: exynos: Add initial configuration for DISP clocks for TM2/TM2e
clk: samsung: exynos5433: Add data for 250MHz and 278MHz PLL rates
clk: samsung: exynos5433: Add IDs for PHYCLK_MIPIDPHY0_* clocks
arm64: dts: exynos: Add clocks to Exynos5433 LPASS module
arm64: dts: exynos: set LDO7 regulator as always on
arm64: dts: exynos: configure TV path clocks for Ultra HD modes
arm64: dts: exynos: Fix drive strength of sd0_xxx pin definitions
arm64: dts: exynos: Disable pull down for audio pins in Exynos5433 SoCs
arm64: dts: exynos: Add TM2 touchkey node
arm64: dts: exynos: Remove unneeded unit names in Exynos5433 nodes
arm64: dts: exynos: Enable HDMI/TV path on Exynos5433-TM2
arm64: dts: exynos: Add HDMI node to Exynos5433
arm64: dts: exynos: Add DECON_TV node to Exynos5433
arm64: dts: exynos: Fix addresses in node names on Exynos5433
arm64: dts: exynos: Make TM2 and TM2E independent from each other
arm64: dts: exynos: Fix wrong values for ldo23 and ldo25 on TM2/TM2E
...
of_find_node_by_name() drops the reference to a passed device node.
It is not necessary to drop it again, and doing so may result in the
device node being released prematurely.
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Fixes: ee15faffef ("clk: qcom: common: Add API to register board clocks backwards compatibly")
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit:
- makes the GOP_DP (bit 9) gatable clock a child clock of the
SD_MMC_GOP (bit 18) clock, as it should have been. The clock for bit
18 was just named SD_MMC, but since it also covers the GOP block, it
is renamed SD_MMC_GOP.
- makes the MG (bit 5) gatable clock a child clock of the MG_CORE
clock (bit 6)
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The initial implementation in commit e120c17a70 ("clk: mvebu: support
for 98DX3236 SoC") hardcoded a fixed value for the main PLL frequency.
Port code from the Marvell supplied Linux kernel to support different
PLL frequencies and provide clock gating support.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
The i2s related clock support is missing from the existing zx296718
clock driver. This patch adds it, so that the upstream ZX I2S driver
can work out.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
PTR_ERR should access the value just tested by IS_ERR, otherwise
the wrong error code will be returned.
Fixes: 783ab76ae5 ("clk: sunxi-ng: Add A80 Display Engine CCU")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
We get a link error when CCU_MULT is not set with the
newly added driver:
drivers/clk/sunxi-ng/ccu-sun5i.o:(.data.__compound_literal.17+0x4): undefined reference to `ccu_mult_ops'
drivers/clk/sunxi-ng/ccu-sun5i.o:(.data.__compound_literal.5+0x4): undefined reference to `ccu_mult_ops'
Fixes: 5e73761786 ("clk: sunxi-ng: Add sun5i CCU driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This kzalloc() could fail. Let's bail out with -ENOMEM here
instead of NULL dereferencing. That silences static checkers. We
should also cleanup on the error path even though this function
returning an error probably means the system won't boot.
Cc: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This driver uses the services provided by the BPMP firmware driver to
implement a clock driver based on the MRQ_CLK request. This part of the
BPMP ABI provides a means to enumerate and control clocks and should
allow the driver to work on any chip that supports this ABI.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
and making niu (interconnect) clocks critical on rk3288, as
CLK_IGNORE_UNUSED is not enough to keep them running all the time
when more users access particular clock subtrees.
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Merge tag 'v4.11-rockchip-clk2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-next
Pull Rockchip clk updates from Heiko Stuebner:
"Non-critical fix for the pclk_edp divider on rk3399, one new
clock-id and making niu (interconnect) clocks critical on
rk3288, as CLK_IGNORE_UNUSED is not enough to keep them running
all the time when more users access particular clock subtrees."
* tag 'v4.11-rockchip-clk2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
clk: rockchip: rk3288: make all niu clocks critical
clk: rockchip: use rk3288 vip_out clock ids
clk: rockchip: add rk3288 vip_out clock id
clk: rockchip: fix the incorrect pclk_edp div width for RK3399
Add clock for the Cadence eMMC controller on LD11/LD20.
For the other SoCs, the clock for the eMMC controller is included
in the MIO/SD control block.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Add clock line for the Denali NAND controller.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
- Support for one new SoC, the V3s
- Convertion of two old SoCs to the new framework, the old sun5i family
and the A80
- A bunch of fixes
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Merge tag 'sunxi-clk-for-4.11' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next
Pull Allwinner clock updates from Maxime Ripard:
- Support for one new SoC, the V3s
- Conversion of two old SoCs to the new framework, the old sun5i family
and the A80
- A bunch of fixes
* tag 'sunxi-clk-for-4.11' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux: (25 commits)
ARM: dts: sun9i: Switch to new clock bindings
clk: sunxi-ng: Add A80 Display Engine CCU
clk: sunxi-ng: Add A80 USB CCU
clk: sunxi-ng: Add A80 CCU
clk: sunxi-ng: Support separately grouped PLL lock status register
clk: sunxi-ng: mux: Get closest parent rate possible with CLK_SET_RATE_PARENT
clk: sunxi-ng: mux: honor CLK_SET_RATE_NO_REPARENT flag
clk: sunxi-ng: mux: Fix determine_rate for mux clocks with pre-dividers
clk: sunxi-ng: a33: Set CLK_SET_RATE_PARENT for the GPU
clk: sunxi-ng: Call divider_round_rate if we only have a single parent
ARM: gr8: Convert to CCU
ARM: sun5i: Convert to CCU
clk: sunxi-ng: Add sun5i CCU driver
clk: sunxi-ng: Implement global pre-divider
clk: sunxi-ng: Implement multiplier maximum
clk: sunxi-ng: mult: Fix minimum in round rate
clk: sunxi-ng: Implement factors offsets
clk: sunxi-ng: multiplier: Add fractional support
clk: sunxi-ng: add support for V3s CCU
dt-bindings: add device binding for the CCU of Allwinner V3s
...
This patch updates dev_pm_opp_find_freq_*() routines to get a reference
to the OPPs returned by them.
Also updates the users of dev_pm_opp_find_freq_*() routines to call
dev_pm_opp_put() after they are done using the OPPs.
As it is guaranteed the that OPPs wouldn't get freed while being used,
the RCU read side locking present with the users isn't required anymore.
Drop it as well.
This patch also updates all users of devfreq_recommended_opp() which was
returning an OPP received from the OPP core.
Note that some of the OPP core routines have gained
rcu_read_{lock|unlock}() calls, as those still use RCU specific APIs
within them.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com> [Devfreq]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
With the A80 SoC, Allwinner grouped and moved some subsystem specific
clock controls to a separate address space, and possibly separate
hardware block.
One such subsystem is the display engine. The main clock control unit
now only has 1 set of bus gate, dram gate, module clock, and reset
control for the entire display subsystem. These feed into a secondary
clock control unit, which has controls for each individual module
of the display pipeline. This block is not documented in the user
manual. Allwinner's kernel was used as the reference.
Add support for the display engine clock controls found on the A80.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Add support for the USB clock controls found on the A80.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Add support for the main clock unit found in the A80. Some clocks were
not documented in the released user manual, but were found in the
official kernel from Allwinner. These include controls for the I2S,
SPDIF, SATA, and eDP blocks.
Note that on the A80, some subsystems have separate clock controllers
downstream of the main clock unit. These include the MMC, USB, and
display engine subsystems.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
On the Allwinner A80 SoC, the PLL lock status indicators are grouped
together in a separate register, as opposed to being scattered in each
PLL's configuration register.
Add a flag to support this.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
If the CLK_SET_RATE_PARENT flag is set, we want to try getting the
closest parent rate.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This patch adds support for the CLK_SET_RATE_NO_REPARENT flag to the
mux determine_rate helper, based on examples from clk-composite and
clk-mux.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
The determine_rate helper used ccu_mux_helper_adjust_parent_for_prediv()
to adjust the parent_rate to account for pre-dividers, but then passed
the pristine parent clock rate from clk_hw_get_rate() to the round()
callback, thereby ignoring the pre-divider adjustment. In addition,
it was saving the adjusted parent rate back into struct
clk_rate_request.
This patch fixes this by saving the pristine parent clock rate, and
adding a copy that is adjusted and passed to the round() callback.
The pristine copy, if it is the best solution, would be saved back
to struct clk_rate_request.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Add missing clock branch to enable onboard storage
for msm899(2/4).
Signed-off-by: Jeremy McNicoll <jeremymc@redhat.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
- Use CLK_IS_CRITICAL to handle critical clocks,
- Add Reset Control Support for R-Car Gen2 and Gen3, and RZ/G1,
- Add IIC-DVFS clocks for R-Car H3 and M3-W,
- Minor cleanups.
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Merge tag 'clk-renesas-for-v4.11-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-next
Pull Renesas clk driver updates from Geert Uytterhoeven:
- Use CLK_IS_CRITICAL to handle critical clocks,
- Add Reset Control Support for R-Car Gen2 and Gen3, and RZ/G1,
- Add IIC-DVFS clocks for R-Car H3 and M3-W,
- Minor cleanups.
* tag 'clk-renesas-for-v4.11-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers:
clk: renesas: r8a7796: Add IIC-DVFS clock
clk: renesas: r8a7795: Add IIC-DVFS clock
clk: renesas: cpg-mssr: Add support for reset control
clk: renesas: cpg-mssr: Rename cpg_mssr_priv.mstp_lock
clk: renesas: cpg-mssr: Document suitability for RZ/G1
dt-bindings: clock: renesas: cpg-mssr: Document reset control support
clk: renesas: mstp: Reformat cpg_mstp_clock_register() for git diff
clk: renesas: mstp: Make INTC-SYS a critical clock
clk: renesas: cpg-mssr: Migrate to CLK_IS_CRITICAL
CLKID_ETH is define in the dt-bindings but has not be commented out in the
clock driver. Just do it now.
Fixes: 738f66d321 ("clk: gxbb: add AmLogic GXBB clk controller driver")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
The 98DX3236, 98DX3336, 98DX4521 and variants have a different TCLK from
the Armada XP (200MHz vs 250MHz). The CPU core clock is fixed at 800MHz.
The clock gating options are a subset of those on the Armada XP.
The core clock divider is different to the Armada XP also.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
These functions are referencing s3c...._clk_regs[], which are marked as
__initdata. When compiling with CONFIG_DEBUG_SECTION_MISMATCH=y, this
produces warnings like
WARNING: vmlinux.o(.text+0x198350):
Section mismatch in reference from the function s3c2410_clk_sleep_init()
to the (unknown reference) .init.data:(unknown)
Mark the s3c...._clk_sleep_init() functions as __init in
order to fix this.
Fixes: ca2e90ac18 ("clk: samsung: add clock controller driver for s3c2412")
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Some PLLs might be disabled by default after turning off and then on
a power domain which they belongs to. To avoid configuring a disabled
PLL, add proper code for handling PLL enable/disable.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
This patch fixes simple typos in Exynos5433 clocks driver. The SoC name
was referred a few times as '5443' instead of '5433'.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Default clock configuration applied by the bootloader for TM2 and TM2e
boards includes 250MHz and 278MHz rate for DISP PLL clock. To ensure
such configuration for those boards with 'assigned-clock-*' properties,
parameters for those two additional rates are needed.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Add missing identifiers for phyclk_mipidphy0_bitclkdiv8_phy and
phyclk_mipidphy0_rxclkesc0_phy clocks. Access to those clocks is needed
to setup initial clock configuration for display subsystem in device tree
in order to avoid dependency on the configuration left by the bootloader.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
In order to achieve all the rates asked by the GPU, we might need to change
the parent frequency.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Chen-Yu Tsai <wens@csie.org>
The divider_get_val function that is used in our determine_rate callback
doesn't try to change the parent rate at all, while clk_divider_bestdiv,
used in divider_round_rate, does.
If we have a single parent, call divider_round_rate.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Chen-Yu Tsai <wens@csie.org>
