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@xxxxxxxxxxx>
---
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);
--
2.33.1
