Enabled intel LPSS DMA interface using dw common to support
usage of internal DMA in LPSS I2C to transfer and
receive data.
Signed-off-by: Bindu S <bindu.s@intel.com>
Reset the device on initializing if reset-node is available in dts.
`snps,desingware-i2c` does not define reset-node itself.
Add more of an element that inherits `reset-device.yaml` to
the `compatible` section to allow defining the reset-node
for using this feature.
For example.
```
compatible = "reset-device-inherit-node", "snps,designware-i2c";
```
Signed-off-by: TOKITA Hiroshi <tokita.hiroshi@gmail.com>
This change adds a mutex to protect against simultaneous access to the bus
instead of returning an error during transfers. Since most I2C code doesn't
handle retries (especially with a -EIO code) not blocking on a mutex can
cause a number of problems.
Signed-off-by: Corey Wharton <xodus7@cwharton.com>
Use the new PCIe core infrastructure for looking up the BDF at runtime
based on the VID/DID values.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Updates the API and types to match updated I2C terminology. Replaces master
with controller and slave with target.
Updates all drivers to match the changed macros, types, and API signatures.
Signed-off-by: Tom Burdick <thomas.burdick@intel.com>
In order to bring consistency in-tree, migrate all drivers to the new
prefix <zephyr/...>. Note that the conversion has been scripted, refer
to #45388 for more details.
Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
RX/TX buffer depth are configurable parameters of DW_apb_i2c.
Change code from using fixed value I2C_DW_FIFO_DEPTH to using
register ic_comp_param_1 for RX/TX buffer depth.
Signed-off-by: Satoshi Ikawa <ikawa.satoshi@socionext.com>
Current DW I2C driver uses 32 bit access for some registers and
16 bit access for others. So if DW I2C IP is connected via bus
which doesn't support 16 bit access we will get bus error.
Fix that by switching to 32 bit access only instead of 16
and 32 bit mix.
Signed-off-by: Watson Zeng <zhiwei@synopsys.com>
Move all PCIe-based DT nodes under a PCIe bus and take advantage of
the DT_ANY_INST_ON_BUS_STATUS_OKAY() and DT_INST_ON_BUS() macros.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Now that device_api attribute is unmodified at runtime, as well as all
the other attributes, it is possible to switch all device driver
instance to be constant.
A coccinelle rule is used for this:
@r_const_dev_1
disable optional_qualifier
@
@@
-struct device *
+const struct device *
@r_const_dev_2
disable optional_qualifier
@
@@
-struct device * const
+const struct device *
Fixes#27399
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Fairly straightforward example of how to deal with PCIe.
The code considers whether a particular instance is PCIe
or not on a per-instance basis, so DEVICE_MMIO_ROM is not
conditionally defined.
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Replace all occurences of BUILD_ASSERT_MSG() with BUILD_ASSERT()
as a result of merging BUILD_ASSERT() and BUILD_ASSERT_MSG().
Signed-off-by: Oleg Zhurakivskyy <oleg.zhurakivskyy@intel.com>
This reverts commit 8739517107.
Pull Request #23437 was merged by mistake with an invalid manifest.
Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
Replace all occurences of BUILD_ASSERT_MSG() with BUILD_ASSERT()
as a result of merging BUILD_ASSERT() and BUILD_ASSERT_MSG().
Signed-off-by: Oleg Zhurakivskyy <oleg.zhurakivskyy@intel.com>
The base_address in the device configuration is used as a handle
to access an entity in memory. In C, we call that a 'pointer'.
Also in C, (versus, say, PL/M) we name these pointer things after
what they point not ('regs') not what they are ('base address').
Thus, we change the member to a pointer type and change its name.
This makes it compile cleanly regardless of machine pointer size,
while also cutting down on a bunch of casting noise.
Signed-off-by: Charles E. Youse <charles.youse@intel.com>
move i2c.h to drivers/i2c.h and
create a shim for backward-compatibility.
No functional changes to the headers.
A warning in the shim can be controlled with CONFIG_COMPAT_INCLUDES.
Related to #16539
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Change code from using now deprecated DT_<COMPAT>_<INSTANCE>_<PROP>
defines to using DT_INST_<INSTANCE>_<COMPAT>_<PROP>.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
The legacy PCI support in the DesignWare I2C driver is replaced with
the new PCIe support. The Intel Quark X1000 SoC and the galileo board
configurations are updated accordingly.
Signed-off-by: Charles E. Youse <charles.youse@intel.com>
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>
Applying the change to relevant arch/boards, either in their Kconfig or
the dts specific files.
Taking the opportunity in dw driver to rename the variable the same way
as they are everywhere else in the code (s/dev/dw and s/port/dev) in
init function.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Cleanup I2C drivers to not use bitfield access for config information
and instead use accessor macros that use shifts & masks. This is
cleanup towards removing the bitfield access in the future.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Convert code to use u{8,16,32,64}_t and s{8,16,32,64}_t instead of C99
integer types.
Jira: ZEP-2051
Change-Id: I08f51e2bfd475f6245771c1bd2df7ffc744c48c4
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
I2C_SHARED_IRQ, I2C_0_IRQ_SHARED, I2C_0_IRQ_DIRECT Kconfig options
are DW driver specific. Its presence is confusing for a user of any
other I2C driver than DW. This patch renames these options to include
DW string and makes it visible only for DW I2C driver. This is a
similar implementation to that used by ETH DW Ethernet driver.
Change-Id: I795506f9b103c028a22317df9ad632dce5cd1343
Signed-off-by: Piotr Mienkowski <piotr.mienkowski@gmail.com>
I2C_CLOCK_SPEED Kconfig option is DW driver specific. It does not
define I2C interface speed but rather the I2C DW module clock speed.
It is confusing for a user of any other I2C driver than DW.
This patch renames this option to I2C_DW_CLOCK_SPEED and makes it
visible only for DW I2C driver.
Change-Id: I97f57332fd5cca644eabdef0968a0b2174b885ff
Signed-off-by: Piotr Mienkowski <piotr.mienkowski@gmail.com>
Replace the existing Apache 2.0 boilerplate header with an SPDX tag
throughout the zephyr code tree. This patch was generated via a
script run over the master branch.
Also updated doc/porting/application.rst that had a dependency on
line numbers in a literal include.
Manually updated subsys/logging/sys_log.c that had a malformed
header in the original file. Also cleanup several cases that already
had a SPDX tag and we either got a duplicate or missed updating.
Jira: ZEP-1457
Change-Id: I6131a1d4ee0e58f5b938300c2d2fc77d2e69572c
Signed-off-by: David B. Kinder <david.b.kinder@intel.com>
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Device sync APIs are actually wrappers for semaphores.
Let's replace them with semaphores.
Jira: ZEP-1411
Change-Id: I5662057222aec54f02db9d9cdcd7f4f006c6c530
Signed-off-by: Baohong Liu <baohong.liu@intel.com>
PCI enumeration modifies pci_dev, base_addaress at driver
initialization therefore this objects move from config_info to
driver_data in preparation for config_info becoming const..
We drop code that attempts to update irq_num based on PCI enumeration
because the interrupt found by PCI enumeration must always be the same
as the statically configured IRQ number.
Change-Id: Id5af682dac112ec6dc6e4aa14b655e0047972d38
Signed-off-by: Marcus Shawcroft <marcus.shawcroft@arm.com>
Looking at all structs as to where we can pack them a little better, and
calling out the padding/stride at the end for future expansion.
Change-Id: I4a651092e950dd3d915af9fa0ee0d7d59803e58f
Signed-off-by: Dan Kalowsky <daniel.kalowsky@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Adds extern "C" { } blocks to header files so that they can be
safely used by C++ source files.
Change-Id: Ia4db0c36a5dac5d3de351184a297d2af0df64532
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
This changes to request bytes that will fill the RX FIFO
instead of requesting byte one-by-one.
Change-Id: I30696c624c9f828818f6df9f1ee744a5bc515f27
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
Make the i2c_transfer() to transact messages through the I2C bus.
It is useful for I2C storage devices, as now we can send one message
containing the destination byte/block address, then send the data
in another message. There is no need to construct one continuous
data buffer to send both address and data anymore.
The drivers and sample apps have been updated to utilize updated
API when appropriate. For i2c_dw, only master mode has been updated.
Slave mode will be updated once we can adequately test it.
Change-Id: I0a811d60567367817fcc8d15f5454e5c933722e2
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
Now that i2c is fully synchronous on top of an interrupt based
implementation, polling mode can be removed. Applying the API change
into the existing drivers.
Change-Id: I05d2a6089743b6b69f7c9da6312057134578e2f7
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Add a semaphore. Each task or a fiber that initiates
a transmission waits on this semaphore for it to complete.
Change-Id: Ia6cf961397614ead252ebea3949c016056289311
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Changing the ROM struct's interrupt_vector to reflect
what the value is properly referencing.
Change-Id: Ifb284821e82e01123c51a848d694da19e442c1e8
Signed-off-by: Dan Kalowsky <daniel.kalowsky@intel.com>
Naming convention uses the _ not - in the file names. In a recent
commit for I2C this for some reason changed. Making the names now
more consistent with other files.
Change-Id: I1e363c0c09ae0c8b2ac3def3beeaaeafcc01eb74
Signed-off-by: Dan Kalowsky <daniel.kalowsky@intel.com>
Anisetti Avinash Krishna