From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> Enable the high-speed UART port connected to the GNSS controller on the sa8775p-adp development board. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> --- arch/arm64/boot/dts/qcom/sa8775p-ride.dts | 34 +++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts index d01ca3a9ee37..6f96907b335c 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts +++ b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts @@ -13,6 +13,7 @@ / { aliases { serial0 = &uart10; + serial1 = &uart12; i2c18 = &i2c18; spi16 = &spi16; }; @@ -66,6 +67,30 @@ qup_i2c18_default: qup-i2c18-state { drive-strength = <2>; bias-pull-up; }; + + qup_uart12_cts: qup-uart12-cts-state { + pins = "gpio52"; + function = "qup1_se5"; + bias-disable; + }; + + qup_uart12_rts: qup-uart12-rts-state { + pins = "gpio53"; + function = "qup1_se5"; + bias-pull-down; + }; + + qup_uart12_tx: qup-uart12-tx-state { + pins = "gpio54"; + function = "qup1_se5"; + bias-pull-up; + }; + + qup_uart12_rx: qup-uart12-rx-state { + pins = "gpio55"; + function = "qup1_se5"; + bias-pull-down; + }; }; &uart10 { @@ -75,6 +100,15 @@ &uart10 { status = "okay"; }; +&uart12 { + pinctrl-0 = <&qup_uart12_cts>, + <&qup_uart12_rts>, + <&qup_uart12_tx>, + <&qup_uart12_rx>; + pinctrl-names = "default"; + status = "okay"; +}; + &xo_board_clk { clock-frequency = <38400000>; }; -- 2.37.2