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| author | Chen-Yu Tsai <wens@csie.org> | 2025-06-28 19:16:07 +0300 |
|---|---|---|
| committer | Chen-Yu Tsai <wens@csie.org> | 2025-07-06 20:07:47 +0300 |
| commit | 64f2f7bc4acb7928b39cac4a9a932e77b966f31c (patch) | |
| tree | fff2ba6a29fafc3502d7ebabcf076ab4ff822316 | |
| parent | 84c4a16e00f5aadbb1a3bdecc6bbfee35b7c45c8 (diff) | |
| download | linux-64f2f7bc4acb7928b39cac4a9a932e77b966f31c.tar.xz | |
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 <andre.przywara@arm.com>
Link: https://patch.msgid.link/20250628161608.3072968-5-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi index 30613a0b1124..6f62201fd739 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 { |