Message ID | 20220422111320.19234-3-yu.tu@amlogic.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Add q 12MHz internal clock rate to calculate | expand |
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 <yu.tu@amlogic.com> > --- > 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 <narmstrong@baylibre.com>
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);
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 <yu.tu@amlogic.com> --- drivers/tty/serial/meson_uart.c | 8 ++++++++ 1 file changed, 8 insertions(+)