Commit 804e6d69 authored by Martin Blumenstingl's avatar Martin Blumenstingl Committed by Greg Kroah-Hartman
Browse files

tty: serial: meson: Add a new compatible string for the G12A SoC 



Amlogic Meson G12A (and later) SoCs also have the "divide XTAL by 2" bit
as the S4 UART controllers. Add a new compatible string for these SoCs
and enable the has_xtal_div2 flag for them.

Tested-by: default avatarChristian Hewitt <christianshewitt@gmail.com>
Signed-off-by: default avatarMartin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230307222651.2106615-3-martin.blumenstingl@googlemail.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent add5dfe8

drivers/tty/serial/meson_uart.c

+6 −2
Original line number Diff line number Diff line
@@ -779,7 +779,7 @@ static int meson_uart_remove(struct platform_device *pdev) 
	return 0;

}



static struct meson_uart_data s4_uart_data = {

static struct meson_uart_data meson_g12a_uart_data = {

	.has_xtal_div2 = true,

};
@@ -788,9 +788,13 @@ static const struct of_device_id meson_uart_dt_match[] = { 
	{ .compatible = "amlogic,meson8-uart" },

	{ .compatible = "amlogic,meson8b-uart" },

	{ .compatible = "amlogic,meson-gx-uart" },

	{

		.compatible = "amlogic,meson-g12a-uart",

		.data = (void *)&meson_g12a_uart_data,

	},

	{

		.compatible = "amlogic,meson-s4-uart",

		.data = (void *)&s4_uart_data,

		.data = (void *)&meson_g12a_uart_data,

	},

	{ /* sentinel */ },

};