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arm64: dts: allwinner: a523: Add UART1 pins

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UART1 is normally used to connect to the Bluetooth side of a Broadcom
WiFi+BT combo chip. The connection uses 4 pins.

Add pinmux nodes for UART1, one for the RX/TX pins, and one for the
RTS/CTS pins.

Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Link: https://patch.msgid.link/20250628161608.3072968-5-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
This commit is contained in:
Chen-Yu Tsai 2025-06-29 00:16:07 +08:00
parent 84c4a16e00
commit 64f2f7bc4a
1 changed files with 14 additions and 0 deletions
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14
arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
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@ -168,6 +168,20 @@ uart0_pb_pins: uart0-pb-pins {
allwinner,pinmux = <2>;
function = "uart0";
};
/omit-if-no-ref/
uart1_pins: uart1-pins {
pins = "PG6", "PG7";
function = "uart1";
allwinner,pinmux = <2>;
};
/omit-if-no-ref/
uart1_rts_cts_pins: uart1-rts-cts-pins {
pins = "PG8", "PG9";
function = "uart1";
allwinner,pinmux = <2>;
};
};
ccu: clock-controller@2001000 {