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When requesting a GPIO, set the PFC GPSR register to GPIO mode,
otherwise the GPIO cannot work.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Nobuhiro Iwamatsu <[email protected]>
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Signed-off-by: Masahiro Yamada <[email protected]>
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Same macros are defined in various places. Collect them into
include/linux/bitops.h like Linux.
Signed-off-by: Masahiro Yamada <[email protected]>
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The HSDK can manage some pins via CREG registers block.
Signed-off-by: Eugeniy Paltsev <[email protected]>
Signed-off-by: Alexey Brodkin <[email protected]>
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Uniformize STMicroelectronics copyrights headers for STM32
related code.
Signed-off-by: Patrice Chotard <[email protected]>
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First, I implemented this driver as per-bank model, but it was
a design mistake.
- There are 31 banks in the maximum case. It is painful to add
so many nodes to DT.
- The IRQ control registers are shared between banks. Per-bank
design is a problem for Linux. The counterpart for Linux turned
around to the single node model.
Rework based on the driver for Linux.
Signed-off-by: Masahiro Yamada <[email protected]>
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These checks cannot fail since driver model will not call a driver's
method if it cannot fully create the driver data structures.
It is confusing to have these checks and others might copy them. Drop this
code.
Signed-off-by: Simon Glass <[email protected]>
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In U-Boot -ENODEV means that there is no device. When there is a problem
with the device, drivers should return an error like -ENXIO or -EREMOTEIO.
When the device tree properties cannot be read correct , they should
return -EINVAL.
Update various GPIO drivers to follow this rule, to help with consistency
for future driver writers.
Signed-off-by: Simon Glass <[email protected]>
Reported-by: Adam Ford <[email protected]>
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These three drivers all use U_BOOT_DEVICE rather than device tree to
create devices, so have to do manual allocation of platform data. This is
not true for new platforms.
Add a more explicit comment so that people do not copy this approach with
new boards.
Signed-off-by: Simon Glass <[email protected]>
Reported-by: Adam Ford <[email protected]>
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It does not look like this driver needs to use a bind() method. It does
not manually create devices with device_bind() nor does it create devices
using U_BOOT_DEVICE(). It seems to only use device tree.
Therefore the manual allocation of platform data is not needed and is
confusing. Also platform data should be set up by the ofdata_to_platdata()
method, not bind().
Update the driver in case others use it as a model in future.
Signed-off-by: Simon Glass <[email protected]>
Reported-by: Adam Ford <[email protected]>
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Add GPIO driver for the Renesas RCar SoCs . The driver currently supports
only the RCar Gen3 R8A7795 and R8A7796 SoCs, but is easily extensible for
the other RCar SoCs as well.
This driver is meant to replace the pinmux part of SH_GPIO_PFC driver.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
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Remove a comment claiming that this driver only supports the RK3288,
as we also use it on the RK3368, RK3399 and (most likely) on other
variants.
Signed-off-by: Philipp Tomsich <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Acked-by: Philipp Tomsich <[email protected]>
Version-changes: 2
- use the dev_read_addr_ptr function in rk_gpio.c
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Update the Rockchip GPIO-bank driver to support a live tree.
Signed-off-by: Philipp Tomsich <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Acked-by: Philipp Tomsich <[email protected]>
Version-changes: 2
- use the dev_read_addr_ptr function in rk_gpio.c
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A few years ago STM32F1 SoCs support has been added :
0144caf22ce6acd5c gpio: stm32: add stm32f1 support
2d18ef2364fd3561a ARMv7M: add STM32F1 support
But neither STM32F1 dedicated defconfig nor board was
associated to these commits.
Got confirmation from Tom Rini and Matt Porter to remove
all this code [1]
[1] http://u-boot.10912.n7.nabble.com/Remove-STM32F1-support-td301603.html
Signed-off-by: Patrice Chotard <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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This converts the following to Kconfig:
CONFIG_CMD_TCA642X
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
Reviewed-by: Philipp Tomsich <[email protected]>
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This driver is not used in U-Boot. Drop it and its associated CONFIG
options.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
Reviewed-by: Philipp Tomsich <[email protected]>
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It does not seem worth having an option to enable another sub-command in
this legacy driver. Drop this option so that the sub-command is always
available.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
Reviewed-by: Philipp Tomsich <[email protected]>
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This converts the following to Kconfig:
CONFIG_CMD_PCA953X
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
Reviewed-by: Philipp Tomsich <[email protected]>
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This converts Intel ICH6 GPIO driver to Kconfig, and add it to the
imply list of platform drivers.
Signed-off-by: Bin Meng <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Update the GPIO driver to support a live device tree.
Signed-off-by: Simon Glass <[email protected]>
Tested-by: Marcel Ziswiler <[email protected]>
Tested-on: Beaver, Jetson-TK1
Tested-by: Stephen Warren <[email protected]>
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Change is consistent with other SOCs and it is in preparation
for adding SOMs. SOC's related files are moved from cpu/ to
mach-imx/<SOC>.
This change is also coherent with the structure in kernel.
Signed-off-by: Stefano Babic <[email protected]>
CC: Fabio Estevam <[email protected]>
CC: Akshay Bhat <[email protected]>
CC: Ken Lin <[email protected]>
CC: Marek Vasut <[email protected]>
CC: Heiko Schocher <[email protected]>
CC: "Sébastien Szymanski" <[email protected]>
CC: Christian Gmeiner <[email protected]>
CC: Stefan Roese <[email protected]>
CC: Patrick Bruenn <[email protected]>
CC: Troy Kisky <[email protected]>
CC: Nikita Kiryanov <[email protected]>
CC: Otavio Salvador <[email protected]>
CC: "Eric Bénard" <[email protected]>
CC: Jagan Teki <[email protected]>
CC: Ye Li <[email protected]>
CC: Peng Fan <[email protected]>
CC: Adrian Alonso <[email protected]>
CC: Alison Wang <[email protected]>
CC: Tim Harvey <[email protected]>
CC: Martin Donnelly <[email protected]>
CC: Marcin Niestroj <[email protected]>
CC: Lukasz Majewski <[email protected]>
CC: Adam Ford <[email protected]>
CC: "Albert ARIBAUD (3ADEV)" <[email protected]>
CC: Boris Brezillon <[email protected]>
CC: Soeren Moch <[email protected]>
CC: Richard Hu <[email protected]>
CC: Wig Cheng <[email protected]>
CC: Vanessa Maegima <[email protected]>
CC: Max Krummenacher <[email protected]>
CC: Stefan Agner <[email protected]>
CC: Markus Niebel <[email protected]>
CC: Breno Lima <[email protected]>
CC: Francesco Montefoschi <[email protected]>
CC: Jaehoon Chung <[email protected]>
CC: Scott Wood <[email protected]>
CC: Joe Hershberger <[email protected]>
CC: Anatolij Gustschin <[email protected]>
CC: Simon Glass <[email protected]>
CC: "Andrew F. Davis" <[email protected]>
CC: "Łukasz Majewski" <[email protected]>
CC: Patrice Chotard <[email protected]>
CC: Nobuhiro Iwamatsu <[email protected]>
CC: Hans de Goede <[email protected]>
CC: Masahiro Yamada <[email protected]>
CC: Stephen Warren <[email protected]>
CC: Andre Przywara <[email protected]>
CC: "Álvaro Fernández Rojas" <[email protected]>
CC: York Sun <[email protected]>
CC: Xiaoliang Yang <[email protected]>
CC: Chen-Yu Tsai <[email protected]>
CC: George McCollister <[email protected]>
CC: Sven Ebenfeld <[email protected]>
CC: Filip Brozovic <[email protected]>
CC: Petr Kulhavy <[email protected]>
CC: Eric Nelson <[email protected]>
CC: Bai Ping <[email protected]>
CC: Anson Huang <[email protected]>
CC: Sanchayan Maity <[email protected]>
CC: Lokesh Vutla <[email protected]>
CC: Patrick Delaunay <[email protected]>
CC: Gary Bisson <[email protected]>
CC: Alexander Graf <[email protected]>
CC: [email protected]
Reviewed-by: Fabio Estevam <[email protected]>
Reviewed-by: Christian Gmeiner <[email protected]>
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Signed-off-by: Masahiro Yamada <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Current code does not set output level in bcm6345_gpio_direction_output,
fix it.
Signed-off-by: Axel Lin <[email protected]>
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This is no longer used in U-Boot. Drop it.
Signed-off-by: Simon Glass <[email protected]>
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This PMIC driver (power and GPIO) is used by the sandbox SPMI tests.
Update the drivers to support a live device tree so that the tests pass.
Signed-off-by: Simon Glass <[email protected]>
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Add support for requesting GPIOs with a live device tree.
This involves adjusting the function signature for the legacy function
gpio_request_by_name_nodev(), so fix up all callers.
Signed-off-by: Simon Glass <[email protected]>
Fixes to stm32f746-disco.c:
Signed-off-by: Tom Rini <[email protected]>
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Use the new dev_read...() functions to access the device tree, so that a
live tree can be used.
Signed-off-by: Simon Glass <[email protected]>
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Move the main part of the GPIO request function into a separate function
so that it can be used by the live tree function when added. Update the
xlate method to use a node reference.
Update all GPIO drivers to handle the modified xlate() method.
Signed-off-by: Simon Glass <[email protected]>
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At present devices use a simple integer offset to record the device tree
node associated with the device. In preparation for supporting a live
device tree, which uses a node pointer instead, refactor existing code to
access this field through an inline function.
Signed-off-by: Simon Glass <[email protected]>
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It is good practice to include common.h as the first header. This ensures
that required features like the DECLARE_GLOBAL_DATA_PTR macro,
configuration options and common types are available.
Fix up some files which currently don't do this. This is necessary because
driver model will soon start using global data and configuration in the
dm/read.h header file, included via dm.h. The gd->fdt_blob value will be
used to access the device tree and CONFIG options will be used to
determine whether to support inline functions in the header file.
Signed-off-by: Simon Glass <[email protected]>
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This function should not be used outside the core driver-model code.
Update it to use dm_scan_fdt_dev() instead.
Signed-off-by: Simon Glass <[email protected]>
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These support the flat device tree. We want to use the dev_read_..()
prefix for functions that support both flat tree and live tree. So rename
the existing functions to avoid confusion.
In the end we will have:
1. dev_read_addr...() - works on devices, supports flat/live tree
2. devfdt_get_addr...() - current functions, flat tree only
3. of_get_address() etc. - new functions, live tree only
All drivers will be written to use 1. That function will in turn call
either 2 or 3 depending on whether the flat or live tree is in use.
Note this involves changing some dead code - the imx_lpi2c.c file.
Signed-off-by: Simon Glass <[email protected]>
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This header includes things that are needed to make driver build. Adjust
existing users to include that always, even if other dm/ includes are
present
Signed-off-by: Simon Glass <[email protected]>
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This patch fixes to read the GPIO status after confirming the
INOUT setting.
Signed-off-by: Kouei Abe <[email protected]>
Signed-off-by: Hiroyuki Yokoyama <[email protected]>
Cc: Hiroyuki Yokoyama <[email protected]>
Cc: Nobuhiro Iwamatsu <[email protected]>
Cc: Tom Rini <[email protected]>
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Make oe-pins optional because some boards have fixed it to enable.
Signed-off-by: Peng Fan <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Stefano Babic <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Add a device-tree property use-lvl-write-cache that will cause
writes to lvl to be cached instead of read from lvl before each
write. This is required on some platforms that have the register
implemented as dual read/write (such as Baytrail).
Prior to this fix the blue USB port on the Minnowboard Max was
unusable since USB_HOST_EN0 was set high then immediately set
low when USB_HOST_EN1 was written.
This also resolves the 'gpio clear | set' command warning like:
"Warning: value of pin is still 0"
Signed-off-by: George McCollister <[email protected]>
<rebased on latest origin/master, fixed all baytrail boards>
Signed-off-by: Bin Meng <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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This driver is used often enough such that we want to have this enabled
by default on any ARCH_OMAP2PLUS board, and this only compiles on
ARCH_OMAP2PLUS due to required defines, so mark that as the depends.
Signed-off-by: Tom Rini <[email protected]>
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We declare that gpio_base (which is the base for counting gpios, not an
address) is unsigned. Therefore the comparison with >= 0 is always
true. As the desire is to allow for this base number to be 0, we can
just drop this check. Reported by clang-3.8.
Cc: Simon Glass <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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This driver is based on linux/arch/mips/bcm63xx/gpio.c, simplified to allow
defining one or two independent banks for each Broadcom SoC.
Signed-off-by: Álvaro Fernández Rojas <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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This patch adds gpio driver supporting driver model for stm32f7 gpio.
Signed-off-by: Vikas Manocha <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Cc: Christophe KERELLO <[email protected]>
[trini: Add depends on STM32]
Signed-off-by: Tom Rini <[email protected]>
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The PIO on the R40 SoC is mostly compatible with the A20.
Only a few pin functions for mmc2 were added to the PC
pingroup, to support 8 bit eMMCs.
Signed-off-by: Chen-Yu Tsai <[email protected]>
Acked-by: Maxime Ripard <[email protected]>
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Add the clock support.
Signed-off-by: Wenyou Yang <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: Andreas Bießmann <[email protected]>
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Add the device tree support.
Signed-off-by: Wenyou Yang <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: Andreas Bießmann <[email protected]>
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The CONFIG_AT91_GPIO option is used to select AT91 PIO GPIO driver.
Signed-off-by: Wenyou Yang <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: Andreas Bießmann <[email protected]>
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The intention of the removal is the preparation to introduce the
new AT91 PIO pinctrl driver.
Use the union to make the PIO3 and PIO2's registers be together
and make their offset aligned.
Signed-off-by: Wenyou Yang <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Add the imx_rgpio2p driver for Rapid GPIO2P controllers on i.MX7ULP.
Have added all ports on RGPIO2P_0 and RGPIO2P_1.
The configurations CONFIG_IMX_RGPIO2P and CONFIG_DM_GPIO must be set
to y to enable the drivers.
To use the GPIO function, the IBE and OBE needs to set in IOMUXC.
We did not set the bits in driver, but leave them to IOMUXC settings
of the GPIO pins. User should use IMX_GPIO_NR to generate the GPIO number
for gpio APIs access.
Signed-off-by: Peng Fan <[email protected]>
Signed-off-by: Ye Li <[email protected]>
Reviewed-by : Stefano Babic <[email protected]>
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Signed-off-by: Robert P. J. Day <[email protected]>
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At present devices use a simple integer offset to record the device tree
node associated with the device. In preparation for supporting a live
device tree, which uses a node pointer instead, refactor existing code to
access this field through an inline function.
Signed-off-by: Simon Glass <[email protected]>
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