Commit graph

13 commits

Author SHA1 Message Date
Andreas Sandberg
aec341e677 boards: arm: b_l072z_lrwan1: Enable the USB controller
The STM32L072CZ MCU has a built-in USB device controller which is
supported by Zephyr's USB STM32 driver. The b_l072z_lrwan1 board has a
micro-USB connector that is wired to the MCU via two solder bridges
(SB15 and SB16) that need to be closed to connect the data lines.

Update the board documentation to describe the solder bridges and
enable the USB controller in the device tree.

Signed-off-by: Andreas Sandberg <andreas@sandberg.pp.se>
2020-06-11 13:11:59 -05:00
Martin Jäger
414527926d drivers: dac: Add support for STM32L0 series
First implementation for STM32L0 series MCUs to be used for testing.

Signed-off-by: Martin Jäger <martin@libre.solar>
2020-04-20 17:41:48 +02:00
Martin Jaeger
5441016f66 drivers: pinmux: stm32l0: More I2C pinmuxes added
Based on alternate functions table in STM32L073 datasheet

Signed-off-by: Martin Jaeger <17674105+martinjaeger@users.noreply.github.com>
2019-12-09 09:48:23 -06:00
Erwan Gouriou
90df6a3291 drivers/pinmux: stm32: Use pull-up for _SPI_NSS pins
To work efficiently, SPI_NSS pins require pull-up configuration.
Fix this for whole STM32 series.

Fixes #17998

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
2019-09-10 06:39:50 -05:00
Ioannis Konstantelias
dca08c95dd stm32: pinmux: spi: Opt for lower power consumption
Fixes #16739. Changed the STM32's SPI MISO/MOSI configurations in order
to reduce the power consumption by approximately 20uA per pin.

According to STM32's Application Notes on GPIO configuration for
low-power consumption, the input pins should be configured with internal
pull-up or pull-down resistor. If a pin is configured as a floating
input, and there is no signal present, the Schmitt trigger randomly
toggles between the logical levels induced by the external noise, thus
increasing the consumption.

Signed-off-by: Ioannis Konstantelias <ikonstadel@gmail.com>
2019-08-01 11:52:31 -04:00
Song Qiang
5e942638a2 drivers: pinmux: stm32: add pinmux support for ADC of stm32
This commit adds pinmux defines for all the external ADC lines
supported by stm32. All defines are named after the datasheet of the
corresponding product lines.

Signed-off-by: Song Qiang <songqiang1304521@gmail.com>
2019-05-07 23:15:58 -04:00
Armando Visconti
620ff636d4 drivers/pinmux: stm32: (FIX) Force very_high speed to SPIx_SCK gpio
Fix issue #9028: last bit of SPI/I2S transaction may be corrupted.
Impacted STM32 SOC series: F0/F1/F2/F3/F4/L0.

Notes:
- F2/F4/L0: set gpio to very_high speed ('11')
- F0/F3: set gpio to high speed ('11').
- F1: set gpio to 50MHz.

Signed-off-by: Armando Visconti <armando.visconti@st.com>
2019-02-07 10:45:10 -06:00
Flavio Ceolin
67ca176754 headers: Fix headers across the project
Any word started with underscore followed by and uppercase letter or a
second underscore is a reserved word according with C99.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2018-09-17 15:49:26 -04:00
Istvan Bisz
cc4f992b0b drivers: pinmux: stm32: complete stm32l0 header
Complete and modify some USART/UART pin configurations.

Signed-off-by: Istvan Bisz <istvan.bisz@t-online.hu>
2018-08-20 05:51:52 -07:00
Ilya Tagunov
8b7c3cffb1 arch: arm: soc: stm32l0: add LPUART1 pinmux options
Add obvious and easily testable PA2/PA3 configuration
(same pins as USART2).

Signed-off-by: Ilya Tagunov <tagunil@gmail.com>
2018-05-25 11:54:42 -05:00
Ilya Tagunov
00c0520247 arch: arm: soc: stm32l0: add I2C support
Add SPI support for STM32L0 series.
L0 SPI peripheral requires SCK pin speed workaround
to function properly.

Signed-off-by: Ilya Tagunov <tagunil@gmail.com>
2018-03-15 10:53:26 -05:00
Ilya Tagunov
9ae3fdc2ef arch: arm: soc: stm32l0: add I2C support
Add I2C support for STM32L0 series. LL-based driver
was already in place, so I've just enable it.

Signed-off-by: Ilya Tagunov <tagunil@gmail.com>
2018-03-14 09:02:25 -05:00
Endre Karlson
baae89f27b driver: pinmux: Add pinmux driver for stm32l0x
Add driver header files for the stm32l0x pinmux

Signed-off-by: Endre Karlson <endre.karlson@gmail.com>
2018-03-10 11:42:25 -06:00