Add gpio keys node for am43x gp evm.
Signed-off-by: NSourav Poddar <sourav.poddar@ti.com>
Signed-off-by: NBenoit Cousson <bcousson@baylibre.com>

Enable gpio3, gpio4, it will be used by gpio matrix keys. Also,
can be used by othe peripherals.
Signed-off-by: NSourav Poddar <sourav.poddar@ti.com>
Signed-off-by: NBenoit Cousson <bcousson@baylibre.com>

Add pwm backlight support for gp evm.
Signed-off-by: NSourav Poddar <sourav.poddar@ti.com>
Signed-off-by: NBenoit Cousson <bcousson@baylibre.com>

AM437x GP EVM DTS with pinmux information to make I2C on
EVM usable.
Signed-off-by: NLokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: NSourav Poddar <sourav.poddar@ti.com>
Signed-off-by: NAfzal Mohammed <afzal@ti.com>
Signed-off-by: NBenoit Cousson <bcousson@baylibre.com>