Add PA gpio pin for controlling power of two external amplifiers (NS4890) which are used on the Wexler TAB7200 tablet
Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Add a backlight for controlling the lcd panel backlight on Wexler TAB7200 tablet
Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Add a node for the Goodix GT911 touchscreen found on the Wexler TAB7200 tablet
Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Wexler TAB7200 tablet use channel 0 of the PWM controller for backlight dimming
Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Enable on-chip audio codec on the Wexler TAB7200 tablet.
Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Enable the otg/drc usb controller on the Wexler TAB7200 tablet.
Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
The FSF address triggers a warning on checkpatch, saying that the FSF
license is already present in the Linux source code, and that it has
already changed in the past.
Remove it from our DT, as suggested.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Add UART aliases and stdout-path property for all the Allwinner boards so that
we won't have to rely on the bootargs' console= value, while working with
legacy bootloaders.
While we're at it, also remove the mentions of earlyprintk in the bootargs,
that will remove our default bootargs entirely, and allow the kernel to boot on
a system even if DEBUG_LL is configured for another system.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This patch add support for Wexler TAB7200 tablet.
The Wexler TAB7200 is a A20 based tablet with 7 inch display(800x480),
capacitive touchscreen(5 fingers), 1G RAM, 4G NAND, micro SD card slot,
mini HDMI port, 3.5mm audio plug, 1 USB OTG port and 1 USB 2.0 port.
Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Aleksei Mamlin