From 64f2f7bc4acb7928b39cac4a9a932e77b966f31c Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Sun, 29 Jun 2025 00:16:07 +0800 Subject: [PATCH] arm64: dts: allwinner: a523: Add UART1 pins 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 Link: https://patch.msgid.link/20250628161608.3072968-5-wens@kernel.org Signed-off-by: Chen-Yu Tsai --- arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi index 30613a0b1124e..6f62201fd7391 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi @@ -168,6 +168,20 @@ 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 { -- 2.47.2