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tty: serial: meson: Added S4 SOC compatibility
author
Yu Tu
<yu.tu@amlogic.com>
Fri, 22 Apr 2022 11:13:20 +0000
(19:13 +0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Fri, 22 Apr 2022 14:20:48 +0000
(16:20 +0200)
Make UART driver compatible with S4 SOC UART. Meanwhile, the S4 SOC
UART uses 12MHz as the clock source for baud rate calculations.
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Yu Tu <yu.tu@amlogic.com>
Link:
https://lore.kernel.org/r/20220422111320.19234-3-yu.tu@amlogic.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/meson_uart.c
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diff --git
a/drivers/tty/serial/meson_uart.c
b/drivers/tty/serial/meson_uart.c
index
58bd272
..
c748e5d
100644
(file)
--- 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);