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Using the cd-inverted property is not useful when GPIOs are used as card
detects since the polarity can be specified with the usual
GPIO_ACTIVE_(HIGH|LOW) GPIO flags. It has also caused confusion for
U-Boot developers, so migrate all sunxi boards away from cd-inverted.
Signed-off-by: Tuomas Tynkkynen <tuomas@tuxera.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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All the A31/A31s devices I own have some kind of HDMI connector wired
to the dedicated HDMI pins on the SoC:
- A31 Hummingbird (standard HDMI connector, display already enabled)
- Sinlinx SinA31s (standard HDMI connector)
- MSI Primo81 tablet (micro HDMI connector)
Enable the display pipeline (if needed) and HDMI output for them.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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The SinA31s has a coaxial SPDIF output. Enable it.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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While the SinA31s does have a proper 5-pin mini USB OTG port, the ID
pin does not seem to work. The pin used in the schematics is always low,
regardless of the attached OTG cable or SoC internal pin bias settings.
The v1.5 board is missing bias resistors shown in the schematics for
earlier revisions, and the connections of the remaining one does not
match the schematics either.
In addition, VBUS for this port is disconnected from the board's 5V
power rail. The board features a pad to solder jumper pins to connect
VBUS to 5V manually.
Given the above and the fact that the board has 5 more USB host ports,
it makes more sense to have the OTG port work in peripheral mode.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Now that we can handle the generic pinctrl bindings, convert our DT to it.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
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The allwinner,pull property set to NO_PULL was really considered our
default (and wasn't even changing the default value in the code).
Remove these properties to make it obvious that we do not set anything in
such a case.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
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The allwinner,drive property set to 10mA was really considered as our
default. Remove all those properties entirely to make that obvious.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
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The SinA31s routes the SoC's LINEOUT pins to a line out jack, and MIC1
to a microphone jack, with MBIAS providing phantom power.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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The Sinlinx A31s SDK is a A31s based module/baseboard development kit.
The core module has the SoC, PMIC, DRAM, eMMC and supporting components.
There are also pads for UART0, JTAG and I2S.
The baseboard has 100 Mbps Ethernet, 5x USB 2.0 host ports via a USB 2.0
hub chip, MMC, HDMI, SPDIF, CIR, audio jacks, 2 tablet-like volume
buttons, RS232 style UART and USB OTG (though VBUS is not connected).
Various headers are available for other addon modules, such as SDIO
WiFi, LCD display, camera sensor, UARTs, I2C, SPI and GPIOs.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Tuomas Tynkkynen
Chen-Yu Tsai
Maxime Ripard