tree db56364189fb5b9e7922ce677f75642162b47121
parent 5011e6fa9dcd6b592c7d42f52ddb2047e4326dab
author Patrice Chotard <patrice.chotard@st.com> 1506519891 +0200
committer Tom Rini <trini@konsulko.com> 1507493996 -0400

serial: stm32x7: add fifo support for STM32H7

Add fifo mode support for rx and tx.
As only STM32H7 supports this feature, add has_fifo flag
to uart configuration to use fifo only when possible.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>