2 versions of DMA hardware blocks could be found across stm32 series.
In order to simplify the handling of matching Kconfig symbols,
make this visible in dts files by creating "st,stm32-dma-v1" and
"st,stm32-dma-v2" and set them accordingly in dtsi files.
Duplicate and update related bindings to reflect that new state.
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
These MCUs have 32Kbytes of Flash and 8Kbytes of RAM. They are still
able to run a number of samples.
Signed-off-by: Steven Daglish <s.c.daglish@gmail.com>
Rename compatible st,stm32-pinmux to st,stm32-pinctrl to better
reflect the nature of upcoming child nodes.
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
Add support for STM32L0X using the generic STM32 backend. This is
quite a significant change since the L0 series uses a slightly
different flash controller. Refactor the generic backend to better
support different block sizes and the L0's register interface.
Signed-off-by: Andreas Sandberg <andreas@sandberg.pp.se>
Add support for the polarity flag in the STM32 PWM driver.
STM32 boards using PWM have been updated accordingly.
Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>
Those MCUs have 2KB RAM and 16KB FLASH memory, but they are still
powerful enough to run small configuration of Zephyr RTOS.
Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
The STM32L072 and STM32L073 comes with a hardware random number
generator. Add this to the device tree.
Signed-off-by: Andreas Sandberg <andreas@sandberg.pp.se>
Replace DT_FLASH_DEV_NAME with DT_CHOSEN_ZEPHYR_FLASH_CONTROLLER_LABEL.
We now set zephyr,flash-controller in the chosen node of the device
tree to the flash controller device.
NOTE: For a SoCs with on die flash, this points to the controller and
not the 'soc-nv-flash' node. Typically the controller is the
parent of the 'soc-nv-flash' node).
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
The st,stm32l0-flash-controller did not have a binding, add one for it.
Also made a comment in stm32l0.dtsi that the driver doesn't currently
support this controller.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This checks if the DMA controller supports or not
the memory-to-memory transfers. For DMA Version1,
in the stm32f2xx, stm32f4xx, stm32f7xx series,
only DMA instance 2 is able to transfer mem-to-mem.
For other series, with DMA Version2, there is no such a limitation.
Signed-off-by: Francois Ramu <francois.ramu@st.com>
STM32L073 soc variant is a STM32L072 with LCD peripheral.
Reflect this in dts definition by including stm32l072.dtsi
in stm32l073.dtsi.
This also allows to fix an issue on stm32l073 gpioe which
declared wrong reg definition.
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
dts pinctrl definitions were pushed in tree without the code
available to deal with it. They have been kept waiting for the
code, but this is taking much more time than initially thought.
So in current zephyr tree, for all STM32 boards, we have pinmux.c
file which is used to configure pins and these files that are
basically no-op. This situation is creating a lot of confusion
especially to new comers, and create useless maintenance effort.
Remove these files for now.
When zephyr will ready to use them, this commit could be reverted.
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
Update the ADC bindings to include #io-channel-cells and update the
related dts files to set #io-channel-cells.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
The true mmio-sram nodes should not have had a 'device_type' property.
Remove it from the cases that we clearly know are SRAM.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This patch populates "clocks" property in stm32 usb nodes
for clock related usb configuration code of each dtsi files
Signed-off-by: Francois Ramu <francois.ramu@st.com>
All series of stm32 have at least one ADC instance and this commit adds
one ADC node to the root dts file of each soc, and also adds fixing up
mappings to them.
Signed-off-by: Song Qiang <songqiang1304521@gmail.com>
We currently get a number of warnings like:
Warning (simple_bus_reg): /soc/otgfs_phy: missing or empty
reg/ranges property
This is due to the usb phy nodes not have a reg property since they
don't have an mmio address associated with them.
Move the phy nodes out of the SoC node so their lack of a reg property
will not cause a warning. This is similar to how Linux dts files
handle the phy nodes.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
The information extracted from the device tree is now used to initialize
GPIO device instances. Up until now the GPIO device driver made no use
of this information. Actual instance creation is still controlled using
the Kconfig method. Missing GPIO device tree nodes were added in the
process for STM32L073, STM32F413 and STM32F373.
The information for gpio instance initialization has already been
present for supported STM32 SoCs but remained unused. Changes in the
device tree had no effect on GPIO functionality and was essentially
redundant. Using the device tree for hardware description seems
plausible and less painful than a myriad of defines in some SoC
description header.
The change was implemented under the assumption that current device
trees provide a correct description of the SoCs. Base register addresses
and RCC register bits were not explicitly checked for each device.
Manual tests were executed on:
- NUCLEO-F103RB
- STM32F429I-DISCO
- STM32F746G-DISCO
- NUCLEO-F767ZI
Manual tests consisted of blinky on different GPIOs and pins on each
board.
sanitycheck was executed for all STM32 based boards
Fixes: #10629
Signed-off-by: Martin Bertsche <martin72216@googlemail.com>
To move forward and remove use of Kconfig in dts files lets just create
SoC specific dtsi files that the boards can include. We also seperate
out the L0 dtsi files into their own dir.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Erwan Gouriou