The TI55231 appears to be fully compatible to the 5523 model from
National Semicondutor. This patch just adds DT bindings for it.
Signed-off-by: NDaniel Mack <zonque@gmail.com>
Acked-by: NMilo Kim <milo.kim@ti.com>
Signed-off-by: NBryan Wu <cooloney@gmail.com>