From: Florian Fainelli <f.fainelli@xxxxxxxxx> Older 32-bit only Broadcom STB chips used a NS16550A compatible UART, the 8250_bcm7271.c driver can drive those UARTs just fine provided that we let it match the appropriate compatible string. Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx> Reviewed-by: Al Cooper <alcooperx@xxxxxxxxx> --- drivers/tty/serial/8250/8250_bcm7271.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/tty/serial/8250/8250_bcm7271.c b/drivers/tty/serial/8250/8250_bcm7271.c index 725a450058f8..023a2de8b2d6 100644 --- a/drivers/tty/serial/8250/8250_bcm7271.c +++ b/drivers/tty/serial/8250/8250_bcm7271.c @@ -204,6 +204,13 @@ static const u32 brcmstb_rate_table_7278[] = { MHZ(48), }; +static const u32 brcmstb_rate_table_16550a[] = { + MHZ(81), + 0, + 0, + 0, +}; + struct brcmuart_priv { int line; struct clk *baud_mux_clk; @@ -865,6 +872,10 @@ static const struct of_device_id brcmuart_dt_ids[] = { .compatible = "brcm,bcm7271-uart", .data = brcmstb_rate_table, }, + { + .compatible = "ns16550a", + .data = brcmstb_rate_table_16550a, + }, {}, }; -- 2.17.1