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Use the RTS(CTS) output to control a RS485 transmitter.
The UART obviously needs RTS/CTS enabled for this to work, e.g.
fsl,uart-has-rtscts must be present in the device tree.
Enable RS485 by either using ioctrl TIOCSRS485 or enable it in
the device tree by setting linux,rs485-enabled-at-boot-time.
e.g.
&uart2 {
status = "okay";
linux,rs485-enabled-at-boot-time;
};
Largely taken from Bobby Wu's patch
https://community.freescale.com/message/354499#354499
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Evaluate the ranges property of the weim node to setup the chip select
memory map in IOMUXC_GPR1.
Note that the implementation assumes the ranges property to be sorted from CS0
to the last CS used.
e.g. for CS0, CS1, CS2 used, each having a range of 32MB:
ranges = <0 0 0x08000000 0x02000000
1 0 0x0a000000 0x02000000
2 0 0x0c000000 0x02000000>;
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pixeldata is sampled on the positve pixelclk edge.
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Introduced with c87ddbb1325a448d56a920513206592f03bca117
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Move wl_surface_commit to work thread.
Fix memory leak in wl_egl_window_resize.
Date: Jul 10, 2014
Signed-off-by Yong Gan <yong.gan@freescale.com>
Acked-by: Jason Liu
(cherry picked from commit c114ec8a4c74fc2a2d0f64c60031c66d2225ff83)
(cherry picked from commit dac46dcf913585956a0e7a838e6f4b7465f00f57)
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Vivante patch name:
fix_fsl_2d_base_on_p13.v2.rls.diff
-Updated the outstanding request limit to 12.
-Refined the 2D chip feature check.
-Refine the 2D cache flush operation
(avoid FE and PE access memory through the same port).
-Enable cache flush for filterblt.
-Dynamic enabling SPLIT_RECT by checking chip feature(disable for us)
-Use brush stretch blt for clear operation.
-Enable SplitFilterBlit to workaround the 2d hang issue in filterblit case.
-Refine 2d line operation.
Date: May 05, 2014
Signed-off-by: Loren Huang <b02279@freescale.com>
Acked-by: Shawn Guo
(cherry picked from commit 479b9125caefc45451aa1c4a1b7f2704b57831fa)
(cherry picked from commit ba5139e1daa3f5834b061a099bcec8e85575a2c0)
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read the chips temperature in millikelvin
while at it sort the #include directives in alphabetical order.
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This adds an ADC driver for the STMPE device using the industrial
input/output interface. The driver supports raw reading of values.
The driver depends on the MFD stmpe driver. If the touchscreen
block is enabled too, only for of the 8 ADC channels are available.
Conflicts:
drivers/mfd/Kconfig
drivers/staging/iio/adc/Kconfig
drivers/staging/iio/adc/Makefile
Adaptions due to staging iio subsystem changes:
drivers/staging/iio/adc/stmpe-adc.c
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In order to use the auxiliar ADC inputs of STMPE811 devices we need
to add resources for the ADC block. Also move the ADC macros from
the touchscreen driver to the general header file. We will need them
for the ADC driver in future.
Conflicts:
drivers/mfd/stmpe.c
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According to the datasheet, the address of FABID is 0x4. Fix it.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
(cherry picked from commit c07a24939f36fb6de522a9726369ea64eee5d98d)
(cherry picked from commit cfec286ff9f375c2c289072d63cedbb0c7917a48)
(cherry picked from commit df8c0fa1f66b7267402391f4a21964b0aeee9e38)
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Add device tree integration and add the device to the dtb.
i2c device, interrupt and reset GPIO can be specified in the dts as follows:
Note that additionally you may have to set the pinmuxing for the pins to
be GPIO.
&i2c1 {
status = "okay";
pcap@10 {
/* TouchRevolution Fusion 7 and 10 multi-touch controller */
compatible = "touchrevolution,fusion-f0710a";
reg = <0x10>;
gpios = <&gpio6 10 0 /* MXM-11, Pen down interrupt */
&gpio6 9 0 /* MXM-13, Reset interrupt */
>;
};
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Use platform independent description for requested GPIOs.
(cherry picked from commit c300f3a605f8984449c1a5324fd3edda6f2fd8ff)
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Fix chip reset by sleeping long enought after reset. Do proper error
handling (free GPIO on failure). Use dev_* for message logging to get
similar messages for all fusion driver related errors and warnings.
(cherry picked from commit 63b293000723e61a880470f093fbe82e86ebd81b)
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To avoid warnings use the new I2C power management function for
suspend and resume.
(cherry picked from commit 9d996316a470d37fb71c521f27106b014f3f0b23)
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Added platform data struct to define interrupt and reset GPIO. This
allows to initialize the touchscreen controller inside the driver
rather then in each platform and use the driver as a module.
(cherry picked from commit cb82730b70f31af3b43041ac4e47de69c18016c9)
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When the next interrupt request apeares between the confirmation of
the previous (a write via I2C, fusion_F0710A_write_complete) and
the reenable of the GPIO interrupt, the driver hangs and no more
touch inputs are reported.
This patch moves the confirmation after the reenabling of the GPIO
interrupt.
(cherry picked from commit e95019a4f20b8cdfbe03658e4f73b69cdcf97540)
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Recent evdev X-Server input driver implementation complain when
only multitouch axes have been reported ("found only multitouch-axes.
That shouldn't happen."). Therefor also report the primary touch
detection with default axis.
(cherry picked from commit dda7a631ac901e4d140e8a6612c5c6b5506b6a91)
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For Android use ICS variant of Fusion 7 and 10 multi-touch driver (See
Fusion 7 and 10 drivers for Linux.pdf and Linux Drivers Fusion 10.zip).
Tested to be working both with Android 4.0.4 for Colibri T20 as well as
Android 4.2.1 for Colibri T30.
(cherry picked from commit 0fc73eb175a82dc11f6c1cc8e03f1d311d3180de)
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This patch adds the multi-touch input driver for the TouchRevolution
Fusion 7 and 10 panels (See Fusion 7 and 10 drivers for Linux.pdf and
Linux Drivers Fusion 10.zip) as downloaded in 07.2014
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accept .ena_gpio = 0 as a GPIO, drivers/instances which don't have a GPIO
must set this field to a negative value, e.g. -ENODEV.
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GPIO number 0 *is* legal and must be accepted.
Set .ena_gpio to -ENODEV on regulators having no GPIO in preparation
of a code change to accept GPIO 0 in the config.
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From: Stefan Agner <stefan@agner.ch>
By using the SD/MMC host device ID as a starting point for block
device numbering, one can reliably predict the first block device
name (at least for the first controller). This is especially useful
for SoCs with multiple SD/MMC host controller, where the controller
with index 0 is connected to a eMMC device.
Usually the first controller gets the first block device name ID,
however this is not guaranteed. Also if the first controller is
aliased as second controller and visa-versa (using device tree
aliases), the block device name ID assignation is not ordered by
the SD/MMC host device ID (since mmc_rescan is called in order of
the memory mapped pheripherial addresses).
Signed-off-by: Stefan Agner <stefan@agner.ch>
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From: Stefan Agner <stefan@agner.ch>
To get the SD/MMC host device ID, read the alias from the device
tree.
This is useful in case a SoC has multipe SD/MMC host controllers while
the second controller should logically be the first device (e.g. if
the second controller is connected to an internal eMMC). Combined
with block device numbering using MMC/SD host device ID, this
results in predictable name assignment of the internal eMMC block
device.
Signed-off-by: Stefan Agner <stefan@agner.ch>
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Copy of mxc_lcdif.c
Adds a second parallel output which drives a Video DAC
available on the second IPU, first DI on a Apalis iMX6 module
Only RGB565 is supported.
video=mxcfb0:dev=vdac,800x480M@60,if=RGB565
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Ampire LDB-AM-800600LTNQW-A0H 800x600
Touch Revolution LDB-Fusion10 1024x600
LG LDB-LG-LP156WF1 1920x1080
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Depending on the preemptive settings 'usleep_range' are called in code
where this is not allowed. Use udelay instead of usleep_range
BUG: scheduling while atomic: swapper/0/1/0x00000002
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Previous HZ / 50 calculation allowed for a touch sampling time of 20 ms
which is not sufficient if either the touch detect delay or the
settling time is longer than 500 us.
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Prevents a lot of pointless hanging at boot on some devices.
Taken from Nell Hardcastle
https://dev-nell.com/rpmb-emmc-errors-under-linux.html
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Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
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Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
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