On 22/04/2022 13:13, Yu Tu wrote:
> Make UART driver compatible with S4 SOC UART. Meanwhile, the S4 SOC
> UART uses 12MHz as the clock source for baud rate calculations.
>
> Signed-off-by: Yu Tu <[email protected]>
> ---
> drivers/tty/serial/meson_uart.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c
> index 58bd2723c004..c748e5dd5348 100644
> --- a/drivers/tty/serial/meson_uart.c
> +++ b/drivers/tty/serial/meson_uart.c
> @@ -790,11 +790,19 @@ static int meson_uart_remove(struct platform_device *pdev)
> return 0;
> }
>
> +static struct meson_uart_data s4_uart_data = {
> + .has_xtal_div2 = true,
> +};
> +
> static const struct of_device_id meson_uart_dt_match[] = {
> { .compatible = "amlogic,meson6-uart" },
> { .compatible = "amlogic,meson8-uart" },
> { .compatible = "amlogic,meson8b-uart" },
> { .compatible = "amlogic,meson-gx-uart" },
> + {
> + .compatible = "amlogic,meson-s4-uart",
> + .data = (void *)&s4_uart_data,
> + },
> { /* sentinel */ },
> };
> MODULE_DEVICE_TABLE(of, meson_uart_dt_match);
Reviewed-by: Neil Armstrong <[email protected]>