Commit 9b92cc5e authored by Yu Tu's avatar Yu Tu Committed by Greg Kroah-Hartman
Browse files

tty: serial: meson: Added S4 SOC compatibility 



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: default avatarNeil Armstrong <narmstrong@baylibre.com>
Signed-off-by: default avatarYu Tu <yu.tu@amlogic.com>
Link: https://lore.kernel.org/r/20220422111320.19234-3-yu.tu@amlogic.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 00a7fa83

drivers/tty/serial/meson_uart.c

+8 −0
Original line number Diff line number Diff line
@@ -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);