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This patch fixes the following warning on various imx boards:
OF: Duplicate name in lcdif@......, renamed to "display#1"
Signed-off-by: Octavian Purdila <octavian.purdila@nxp.com>
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Newer kernel versions output a lot of warnings if they encounter a
bypassed regulator without an explicitly configured supply. Like this:
vddpu: bypassed regulator has no supply!
vddpu: bypassed regulator has no supply!
vddpu: bypassed regulator has no supply!
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
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On imx_4.9.y we no longer override the cpu arm/soc/pu-supply properties
to link to pmic directly but rather rely on the regulator core
propagating a set_voltage on a bypassed regulator upwards.
This change was already performance for imx6qdl, now do it for all the
boards using ldo-bypass.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
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The Linux kernel regulator core implementation does not accept negative
voltage values; all negative values are treated as errors.
The problem with the EPDC is that the panel uses a negative voltage
regulator which fails to be enabled by the regulator core. This issue has
slipped up until the 4.9 rebase because the voltage range [min, max] was
checked against only when min = max. This has been fixed in 4.9, resulting
in errors in the VCOM regulator driver.
The fix is to use the negative values when communicating with the hardware,
but send only positive values to the regulator core.
This patch sends the absolute value to the regulator core and transforms
the received value (from the regulator core) to negative one before sending
it to hardware.
Fix device tree to deal with negative voltage regulator values by setting
min_value = -real_max_value and vice versa. Boards affected:
- imx6dl-sabresd
- imx6ull-14x14-ddr3-arm2
- imx7d-12x12-lpddr3-arm2
- imx7d-sdb
- imx6sll-evk
- imx6sl-evk
- imx6sll-lpddr3-arm2
Signed-off-by: Cristina Ciocan <cristina-mihaela.ciocan@nxp.com>
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wm8962 sound card work in codec master mode as before
Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
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Set tx-d-cal to be 0x5 to improve usb signal quality.
Signed-off-by: Li Jun <jun.li@nxp.com>
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Enable the sdio wakeup capability for SDIO cards.
Note: we do not enable it for sabresd usdhc4 since it has a solid
eMMC card on it.
Signed-off-by: Dong Aisheng <b29396@freescale.com>
(cherry picked from commit 9ea7e84fe686a5c959aebbbf4a1b81dcb1c3e3fd)
(cherry picked from commit 58a5347a1b3a6b8970ac7ddc8e336c5d9adf4ddb)
Signed-off-by: Haibo Chen <haibo.chen@freescale.com>
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All i.MX6 SabreAuto/SabreSD/EVK has the ability to keep card power
during suspend. So add this capability for them.
Signed-off-by: Dong Aisheng <b29396@freescale.com>
(cherry picked from commit 3f18df4746eb33e934c55de23d6496bb4adad33b)
(cherry picked from commit 55553b7300fb3d0e3a7961f569a42bd689b3670f)
Signed-off-by: Haibo Chen <haibo.chen@freescale.com>
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Add elan touch screen support on imx6sl-evk board.
Signed-off-by: Haibo Chen <haibo.chen@freescale.com>
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cherry-pick below patch:
ENGR00330406-1: ARM: dts: imx6: add battery device node in dts file
Add battery device node on imx6q/dl-sabresd and imx6sl-evk board
Signed-off-by: Robin Gong <b38343@freescale.com>
(cherry picked from commit 1f2670578decd4a527208864ab3a014d840773f6)
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Add lcdif dts support on imx6sl evk board.
Signed-off-by: Fancy Fang <chen.fang@freescale.com>
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Add pxp v4l2 output support for imx6sl evk board.
Signed-off-by: Fancy Fang <chen.fang@freescale.com>
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Add epdc support on i.MX6SoloLite EVK board.
Add 'compatible', 'clocks' property in common imx6sl.dtsi
enable pxp, pmic, epdc in imx6sl-evk.dts
Signed-off-by: Robby Cai <r63905@freescale.com>
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Add sii902x hdmi driver to imx6sl, imx6sx and imx7d boards.
Signed-off-by: Sandor Yu <R01008@freescale.com>
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Add imx v4l2 capture driver.
Signed-off-by: Sandor Yu <R01008@freescale.com>
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add ldo bypass support on i.mx6q/dl and i.mx6sl.
Signed-off-by: Robin Gong <b38343@freescale.com>
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add spdif sound card support for imx6sl-evk board
Signed-off-by: Zidan Wang <zidan.wang@freescale.com>
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add ssi<->wm8962 sound card support for imx6sl-evk board
Signed-off-by: Zidan Wang <zidan.wang@freescale.com>
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i.MX6SL-EVK platform.
Support MMA8450 sensor on i.MX6SL-EVK
Signed-off-by: Luwei Zhou <b45643@freescale.com>
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Add uart4 DCE and DTE pinctrl set. Since there have pin confliction,
so add new dts file. To avoid a flood of dts files, there comment out
DTE pinctrl set. If user want to test DTE mode, it needs to rebuild
the DTB file.
(cherry picked from commit a3602fa5796bb86ba432474220389ec712bde92a)
Signed-off-by: Fugang Duan <B38611@freescale.com>
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Disable all otg features for otg1 port of imx6sl-evk board, then
the otg port can only do role swtich by ID pin state.
Signed-off-by: Li Jun <jun.li@freescale.com>
(cherry picked from commit 855c996b52317760e114e7884810a0b438b6e3ee)
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Starting with commit 8947e396a829 ("Documentation: dt: mtd: replace
"nor-jedec" binding with "jedec, spi-nor"") we have "jedec,spi-nor"
binding indicating support for JEDEC identification.
Use it for all flashes that are supposed to support READ ID op according
to the datasheets.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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cd-gpios polarity should be changed to GPIO_ACTIVE_LOW and wp-gpios
should be changed to GPIO_ACTIVE_HIGH.
Otherwise, the SD may not work properly due to wrong polarity inversion
specified in DT after switch to common parsing function mmc_of_parse().
Signed-off-by: Dong Aisheng <aisheng.dong@freescale.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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USB vbus 5V is from PMIC SWBST, so set swbst_reg as vbus's
parent reg, it fixed a bug that the voltage of vbus is incorrect
due to swbst_reg is disabled after boots up.
Cc: stable@vger.kernel.org
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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All chips of i.mx6 can be powered off by programming SNVS.
For example :
On i.mx6q-sabresd board, PMIC_ON_REQ connect with external
pmic ON/OFF pin, that will cause the whole PMIC powered off
except VSNVS. And system can restart once PMIC_ON_REQ goes
high by push POWRER key.
Signed-off-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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The lcdif node has a property named "display" and also a child node
called "display", which causes the following warning:
device-tree: Duplicate name in lcdif@02220000, renamed to "display#1"
Rename the child node name in order to avoid the warning.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
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Add support for the "MX28LCD Seiko 4.3' WVGA" panel.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
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Let's keep pinctrl nodes sorted.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
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The DAI mode is and should be configured by the sound card driver as
codec and ssi have to be in the right modes to communicate with each
other. It is possible to operate the ssi unit or the codec in master mode,
sometimes even on the same board in different configurations.
With the latest changes in the fsl-ssi driver, the 'fsl,mode' property
is only handled as a fallback property. If the sound card sets the DAI
mode correctly, this fallback configuration is dropped.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
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when system suspend, need to set pins to low power state to
save IO power consumption, there are three states of pinctrl:
"default", "idle" and "sleep". Currently enet supports default
and sleep state.
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
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In case the bootloader has incorrectly configured the ALT mode of
MX6SL_PAD_ECSPI1_SS0 pad, we end up with the following probe error:
m25p80 spi0.0: found mr25h256, expected m25p32
m25p80 spi0.0: mr25h256 (32 Kbytes)
In order to avoid this issue, add an entry for MX6SL_PAD_ECSPI1_SS0 pad, so
that kernel configures the ECSPI chip select as GPIO functionality, which
results in correct SPI NOR probe.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
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On imx6sl-evk board the VGEN1 regulator powers up the NVCC_1P2V domain of the
imx6sl SoC, so we need to keep it always powered.
According to imx6sl datasheet the GPIO block has three supplies:
NVCC33_IO, NVCC18_IO and NVCC_1P2V and it states that:
"All digital I/O supplies (NVCC_xxxx) must be powered under normal conditions
whether the associated I/O pins are in use or not"
This problem has been observed by the fact that a GPIO connected to an LED could
not work when the PMIC driver was enabled.
Keeping VGEN1 regulator always enabled fixes the problem.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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GPIO3_20 is connected to a debug LED.
Add support for it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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imx6sl-evk has a wm8962 codec. Add support for it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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imx6sl-evk board has Freescale PFUZE100 regulator, so add support for it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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i.MX6SL EVK board has a 3*3 keypad matrix to support 8 keypads,
enable them, the keymap is as below:
SW6: MATRIX_KEY(0x0, 0x0, KEY_UP) /* ROW0, COL0 */
SW7: MATRIX_KEY(0x0, 0x1, KEY_DOWN) /* ROW0, COL1 */
SW8: MATRIX_KEY(0x0, 0x2, KEY_ENTER) /* ROW0, COL2 */
SW9: MATRIX_KEY(0x1, 0x0, KEY_HOME) /* ROW1, COL0 */
SW10: MATRIX_KEY(0x1, 0x1, KEY_RIGHT) /* ROW1, COL1 */
SW11: MATRIX_KEY(0x1, 0x2, KEY_LEFT) /* ROW1, COL2 */
SW12: MATRIX_KEY(0x2, 0x0, KEY_VOLUMEDOWN) /* ROW2, COL0 */
SW13: MATRIX_KEY(0x2, 0x1, KEY_VOLUMEUP) /* ROW2, COL1 */
Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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The device tree specification recommends that generic name should be
used for nodes. So instead of naming those fixed regulator nodes
arbitrarily, let's use the generic name 'regulator@num' for those nodes.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Currently, all pinctrl setting nodes are defined in <soc>.dtsi, so that
boards that share the same pinctrl setting do not have to define it time
and time again in <board>.dts. However, along with the devices and use
cases being added continuously, the pinctrl setting nodes under iomuxc
becomes more than expected. This bloats device tree blob for particular
board unnecessarily since only a small subset of those pinctrl setting
nodes will be used by the board. It impacts not only the DTB file size
but also the run-time device tree lookup efficiency.
The patch moves all the pinctrl data into individual boards as needed.
With the changes, the pinctrl setting nodes becomes local to particular
board, and it makes no sense to continue numbering the setting for
given peripheral. Thus, all the pinctrl phandler name gets updated to
have only peripheral name in there.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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enable the spi nor for imx6sl-evk boards.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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This is needed for SD3.0 cards working on UHS mode.
Signed-off-by: Dong Aisheng <b29396@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Enable USB function for OTG 1 and OTG 2 at mx6sololite evk.
Besides, fix the wrong interrupt number for OTG2 and host 1.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Add initial imx6sl-evk board support with uart, usdhc and fec enabled.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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