The various STM32 reference manuals sometimes define the USB endpoints
as IN or OUT only and sometimes as bidirectional, even in the same
manual. This is likely because the OTG implementation has one set of
registers for the IN endpoints and one other set for OUT endpoints.
However at the end a given endpoint address can both transmit and
receive data.
This causes some confusion how to declare the endpoints in the device
tree, and depending on the SoC, they are either the same number of IN
and OUT endpoints declared, or they are declared as bidirectional. At
the end it doesn't really matter given how the driver uses those values:
#define NUM_IN_EP (CONFIG_USB_NUM_BIDIR_ENDPOINTS + \
CONFIG_USB_NUM_IN_ENDPOINTS)
#define NUM_OUT_EP (CONFIG_USB_NUM_BIDIR_ENDPOINTS + \
CONFIG_USB_NUM_OUT_ENDPOINTS)
#define NUM_BIDIR_EP NUM_OUT_EP
This patch therefore cleanup the driver, the DTS, and the DTS fixups to
only define the number of bidirectional endpoints.
In addition to the cleanup, that fixes a regression introduced by commit
52eacf16a2 ("driver: usb: add check for endpoint capabilities"), which
introduced a wrong check for SoC only defining the number of
bidirectional endpoints.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
To prepare to upcoming dtc v1.4.6, fix warnings in dts files.
This commit addresses the following warning:
Warning (unit_address_vs_reg): Node /soc/pin-controller has a reg
or ranges property, but no unit name
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
To prepare to upcoming dtc v1.4.6, fix warnings in dts files.
This commit addresses the following warning:
Warning (clocks_property): Missing property '#clock-cells' in node
/soc/rcc@40021000 or bad phandle (referred from
/soc/pin-controller/gpio@40011800:clocks[0])
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
Create a dt-bindings/gpio.h file.
Bindings definitions are extracted from existing gpio.h.
gpio dt-bindings file is required because existing gpio.h file could
not be parsed by dts parser.
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
Introduce flash controller nodes for STM32 SoCs that are supported in
the flash driver. This is a precusor to converting the flash driver on
stm32 over to using device tree.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Where missing add compatible = "soc-nv-flash". Also added a label for
all the soc-nv-flash that we might use in the future.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This commits adds the "least common denominator" in the
stm32fX.dtsi files and fills the additional SPI nodes
in stm32fXYZ.dtsi files, only for the SOCs where boards
use the additional SPI peripheral.
We could add the rest SPI nodes in the stm32fXYZ.dtsi
files when we add SPI support to other boards.
Signed-off-by: Yannis Damigos <giannis.damigos@gmail.com>
Add needed uart pinctrl configuration in pinmux node.
This is done thanks to <soc>-pinctrl.dtsi file matching
<soc>.dtsi files
Populate stm32 f3 based boards dts files with references
to uart pinctrl nodes
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
In order to simplify maintenance of dts files for
stm32f1 series, introduce a stm32f3.dtsi file which
represent the smallest common denominator of IPs in
the family.
Besides, stm32f334 includes stm32f303, as it is a
extension of this SoC.
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
