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MIPS: ralink: dts: gardena_smart_gateway_mt7688: Limit UART1 

The radio module asserts CTS when its RX buffer has 10 bytes left.
Putting just 8 instead of 16 bytes into the UART1 TX buffer on the Linux
side ensures to not overflow the RX buffer on the radio module side.

Signed-off-by: Reto Schneider <reto.schneider@husqvarnagroup.com>
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Paul Burton <paul.burton@mips.com>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: linux-mips@vger.kernel.org
This commit is contained in:
Reto Schneider 2020-01-14 09:48:06 +01:00 committed by Paul Burton
parent a5d193cb88
commit e8c192011c
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1 changed files with 3 additions and 0 deletions
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arch/mips/boot/dts/ralink/gardena_smart_gateway_mt7688.dts
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@ -177,6 +177,9 @@
pinctrl-names = "default";
pinctrl-0 = <&pinmux_i2s_gpio>; /* GPIO0..3 */
fifo-size = <8>;
tx-threshold = <8>;
rts-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
cts-gpios = <&gpio 2 GPIO_ACTIVE_LOW>;
};