This commit moves configuration of hfxo from headers defined on board level
to device trees of SoCs.
Signed-off-by: Franciszek Zdobylak <fzdobylak@antmicro.com>
Adds a clock control device for a PWM node, allowing the PWM
to be controlled using the clock control API.
It is a similar idea to the device driver in linux:
linux/Documentation/devicetree/bindings/clock/pwm-clock.yaml
Signed-off-by: Andriy Gelman <andriy.gelman@gmail.com>
This commit enables clock control on the i.MX8QM and QXP boards.
This is achieved through the following changes:
1) The "reg" property is no longer marked as required
for the "nxp,imx-ccm" binding. This is necessary because
in the case of i.MX8QM and i.MX8QXP the clock management
is done through the SCFW, hence there's no need to access
CCM's MMIO space (not that you could anyways).
2) The DTS now contains a scu_mu node. This node refers
to the MU instance used by the DSP to communicate with
the SCFW.
3) The CCM driver needs to support the LPUART clocks
(which will be the only IP that's supported for now)
and needs to perform an initialization so that the
NXP HAL driver knows which MU to use to communicate
with the SCFW.
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Add initial support for Renesas RA clock generation circuit.
It returns a fixed value to simplify the first commit to get the UART
working now.
Signed-off-by: TOKITA Hiroshi <tokita.hiroshi@fujitsu.com>
for nucleo_stm32g0b1 board.
the HSI48 clock is the clock used by default for the USB controller,
however its default tolerance is not enough for the USB specification,
leading to some random errors depending on many factors, including the
upstream HUB or host.
this commit adds an option in the device tree to enable the STM32 Clock
recovery system (CRS) using USB SOF packet reception as a reference,
which brings the HSI48 within the required accuracy for USB transfers.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Marc Desvaux <marc.desvaux-ext@st.com>
Based on RM0456, each PLL in the STM32U5 has the
capability to work either in integer or fractional mode.
In this update, the fractional mode can be enabled
by setting the fracn value in the device tree.
Signed-off-by: Jatty Andriean <jandriea@outlook.com>
This CL introduces new clock architectures in npcx4 series and wraps
clock configurations of different series by device tree files.
For example, the PWDWN_CTLx reg initialization relies on `pwdwn-ctl-val`
prop of pcc DT node now.
Signed-off-by: Mulin Chao <mlchao@nuvoton.com>
RC32K/RCX/XTAL32K were present in device tree as fixed-clock.
Now calibration time for RCX and RC32K is added and settle time
for XTAL32K so additional binding is created.
Signed-off-by: Jerzy Kasenberg <jerzy.kasenberg@codecoup.pl>
This is Intel's proprietary IP which supply the clock for all the
system peripherals. Clock manager is initialized only one time
during boot up by FSBL (ATF BL2) based on external user settings.
Signed-off-by: Girisha Dengi <girisha.dengi@intel.com>
Add two new bindings for STM32F1x and F3x RCC to add the ADC prescaler
specific to these series.
Signed-off-by: Guillaume Gautier <guillaume.gautier-ext@st.com>
The clock controller is a singleton controller for all the system-level
clocks (XOSC, PLL, CGM, etc) to provide run-time information to the
peripheral device drivers about the module's clocks.
Clock configuration is not yet supported.
Signed-off-by: Manuel Argüelles <manuel.arguelles@nxp.com>
Remove `clocks` property for fixed-clock binding.
A fixed-clock should not have an input clock, since by
definition it's an always on fixed-rate clock.
Signed-off-by: Moritz Fischer <moritzf@google.com>
Add Nuvoton numaker series clock controller support, including:
1. Do system clock initialization in z_arm_platform_init().
2. Support peripheral clock control API equivalent to BSP
CLK_EnableModuleClock()/CLK_SetModuleClock().
Signed-off-by: cyliang tw <cyliang@nuvoton.com>
The clock control driver requires three pieces of information:
PCR register index, bit position, and clock domain. Clock domain
was missing from DT information and MCHP macros.
Signed-off-by: Manimaran A <manimaran.a@microchip.com>
Add initial version of clock control for Atmel SAM SoC series. This add
support to Power Management which allows control peripherals clock.
Signed-off-by: Gerson Fernando Budke <nandojve@gmail.com>
Provide dts binding for F412 PLL I2S.
This I2S dedicated PLL is fully configurable and take same
input as Main PLL
Only one output clock (PLLR) is supported for now.
This PLL could be found on STM32F412 and F413 parts for instance.
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
Provide dts binding for F4 PLL I2S.
This PLL share input source and input M diviso with F4 Main PLL.
Only one output clock (PLLR) is supported for now.
This PLL could be found on STM32F401 parts for instance.
Additionally, provide related header definitions.
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
Fix all line-length errors detected by yamllint:
yamllint -f parsable -c .yamllint $( find -regex '.*\.y[a]*ml' ) | \
grep '(line-length)'
Using a limit is set to 100 columns, not touching the commandlines in
GitHub workflows (at least for now).
Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>
Fix Microchip XEC clock control driver single-ended XTAL2 pin
initialization. Add support for external 32KHZ_IN pin as a
clock source including PINTRL to switch the GPIO to 32KHZ_IN
function. Add device tree option to disable internal silicon
oscillator if it is not required by the configuration. Add
device tree tuning options based on crystal and board layout.
Signed-off-by: Jay Vasanth <jay.vasanth@microchip.com>
DTS property attributes are (by default) not required.
Explicitly specifying `required: false` is redundant.
Perhaps a warning to that effect would be useful.
Signed-off-by: Chris Friedt <cfriedt@meta.com>
Adds Atmel SAMC20 and SAMC21 soc. C series is based on Cortex-M0+.
C21 contains CAN interface.
The init routines are same for SAMC20 and SAMC21. They use one
clock OSC48M without configuration.
The code is inspirated from atmel_sam0/samd21.
Signed-off-by: Kamil Serwus <kserwus@gmail.com>
This patch adds a clock control driver for GD32 platforms. It is
important to note that the driver is only able to handle peripheral
clocks, but not "system clocks" (e.g. PLL settings, SYS_CK, etc.). On
some similar platforms (STM32) this task is embedded in the same clock
driver, performed at init time but with no options to do any
manipulation at runtime via the API calls. The clock control API as-is
is really orthogonal to "system clocks", and it is arguably a bad idea
to embed system clock init code in a clock control driver. It can be
done at SoC level still using Devicetree as a source of hardware
description/initial configuration.
Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>
Change the wording about "alternate/optional" clock to "domain" clocks,
to better describe the feature and minimize confusion.
Additionally, provide more description about domain clocks and dual
domain functionality implemented in peripherals.
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
Unlike stated in 57df225b396e43358aac4cc998ed2e99fdb57780, RM0456.pdf
reference manual mentions about PLL1R that "Only division by 1 and even
division factors are allowed."
Though, in reference manual, there is one issue on PLL1R values
description, which should actually be:
0000000: pll1_r_ck = vco1_ck
0000001: pll1_r_ck = vco1_ck / 2 (default after reset)
0000010: Not allowed
0000011: pll1_r_ck = vco1_ck / 4
...
This description will be fixed.
Reflect this in binding and driver.
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
Instead of enabling WOVCRO clock based on the SOC, use a configuration
to indicate support, so that each platform can specify if WOVCRO is
supported or not.
Signed-off-by: Ederson de Souza <ederson.desouza@intel.com>
Add binding for Aspeed AST10x0 clock driver. The clocks can be turned
on or off through the syscon registers.
Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
This commit adds the pll2 and pll3 clock control nodes
with st,stm32u5-pll-clock compatible.
Signed-off-by: Thomas Stranger <thomas.stranger@outlook.com>
This commit changes the range for stm32u5 pll divider values
to allow divider value of 1.
- DIVQ is allowed to beconfigured 1 for all PLL instances
- DIVR can be 1 for PLL2 and PLL3, but is not valid for PLl1.
Signed-off-by: Thomas Stranger <thomas.stranger@outlook.com>
All in tree device drivers use some form of DEVICE_DT_GET
so we no longer need to require label properties.
Signed-off-by: Kumar Gala <galak@kernel.org>
Implement support for SAML21 parts, tested on a SAML21 Xplained Pro dev
board. Confirmed operational peripherals: UART, GPIO, PWM, ADC.
Signed-off-by: Attie Grande <attie.grande@argentum-systems.co.uk>
Add the stm32g0 bindings for the HSISYS to be used with the hsi divisor
with a factor programmable from 1 to 128.
Signed-off-by: TLIG Dhaou <dhaou.tlig-ext@st.com>
This commit rewrite renesas R-Car clock driver in order
to be able to support any new SoC easier.
This work is so creating a clock driver per soc alongside a
common driver for all reneasas r-car boars.
- drivers: create a driver per soc
- create a common driver
- create a common header used by soc & common driver
- create a soc specific driver calling for common driver
- dts: use new compatible
- use old yaml as common yaml
- create a new "child" yaml to define the new compatible field
- change compatible in device tree
As in Linux, the driver can support both r8a77951 and r8a77950
SoC's so we decided to name the new driver as in Linux with Zephyr
prefix : "clock_control_r8a7795_cpg_mssr.c".
Signed-off-by: Aymeric Aillet <aymeric.aillet@iot.bzh>
