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Instead of using a custom binding for retrieving the GPIO that activates the
LCD from devicetree, use a standard regulator.
This approach has the advantage to be more generic.
For example: in the case of a board that has a PMIC supplying the LCD voltage,
the current approach would not work, as it only searches for a GPIO pin.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Move display timing configurations into device tree, so that the
auxdata for mxsfb driver can be killed.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Instead of assigning SSP1_DETECT inside mmc0_4bit_pins_a, let the board dts
handle this setup.
Not every board will use MX23_PAD_SSP1_DETECT as SSP1 functionality.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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hog_pins is used to setup the pin functions, and it is not neccesarily used only
for GPIO pins, so use only 'hog' to describe a more generic term.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Add DT node for gpmi nand.
Also add pinctrl for gpmi nand.
Enable the gpmi-nand in mx23-evk board.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Add lcd support for imx23-evk and imx28-evk.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Add pwm device and pwm-backlight for imx23-evk and imx28-evk.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Add auart device for imx23-evk board.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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The 8-bit mode mmc has pin conflicts with display. Let's use 4-bit
mode by default, so that display can be enabled together later.
Also add vmmc-supply for mmc device.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Before gpio_request can directly ask pinctrl system to configure the
requested pin into gpio mode, we use "hog" entry (pinctrl state of
pin controller itself) to configure gpios.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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It adds initial device tree support for imx23-evk board, and only
serial console is enabled.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Marek Vasut <marex@denx.de>
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