i.MX8QM lpuart has ipg_clk and per_clk, ipg_clk for bus and register accessing, per_clk is lpuart module clock. Add per_clk support in driver. Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
i.MX8QM lpuart has ipg_clk and per_clk, ipg_clk for bus and register accessing, per_clk is lpuart module clock. Add per_clk support in driver. Signed-off-by: Fugang Duan <fugang.duan@nxp.com>