From 46dda4aaa69734d9bdfc52a7e3f187c7ed146afc Mon Sep 17 00:00:00 2001 From: Lee Seungcheol Date: Tue, 8 Feb 2022 18:28:24 +0900 Subject: [PATCH] ODROID-C4: arm64/dts: add pin mux for UART_AO_B Change-Id: Ic7607e482b66a226667c9a62f613ec1cc125ed72 Signed-off-by: Lee Seungcheol --- arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 9 +++++++++ arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi | 6 ++++++ 2 files changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi index eaa3fdbb0c02..48da77e3cb1f 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi @@ -1910,6 +1910,15 @@ }; }; + uart_ao_b_pins: uart-b-ao { + mux { + groups = "uart_ao_b_tx_8", + "uart_ao_b_rx_9"; + function = "uart_ao_b"; + bias-disable; + }; + }; + uart_ao_a_pins: uart-a-ao { mux { groups = "uart_ao_a_tx", diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi index b993de83e970..29d7c768dec2 100644 --- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi @@ -459,6 +459,12 @@ pinctrl-names = "default"; }; +&uart_AO_B { + status = "disabled"; + pinctrl-names = "default"; + pinctrl-0 = <&uart_ao_b_pins>; +}; + &uart_A { status = "disabled"; pinctrl-names = "default";