[U-Boot] [PATCH v3 0/2] serial: atmel_usart: Fix uart init and add clk support

The patches is rework the uart init to fix the early debug not work in SPL, and add the clock support.

Changes in v3: - Rebase on the master branch (22e10be45) of u-boot-dm git tree.

Changes in v2: - Fix the DBGU clock handling. - Add Reviewed-by tag.

Wenyou Yang (2): serial: atmel_usart: Fix early debug not work in SPL serial: atmel_usart: Add clk support

drivers/serial/atmel_usart.c | 84 ++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 78 insertions(+), 6 deletions(-)