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Add GPIO-controlled board muxes to route shared signals between FlexCAN1 and MQS1. Signed-off-by: Chancel Liu --- .../boot/dts/freescale/imx93-14x14-evk.dts | 32 ++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts b/arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts index ec78c03f4788..6dcfbca65cbd 100644 --- a/arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts @@ -37,6 +37,36 @@ chosen { stdout-path = &lpuart1; }; + can1_mqs1_mux: mux-controller-0 { + compatible = "gpio-mux"; + #mux-control-cells = <0>; + #mux-state-cells = <1>; + mux-gpios = <&pcal6524_2 2 GPIO_ACTIVE_HIGH>; + }; + + mqs1_amp_en_mux: mux-controller-1 { + compatible = "gpio-mux"; + #mux-control-cells = <0>; + #mux-state-cells = <1>; + mux-gpios = <&pcal6524_2 1 GPIO_ACTIVE_HIGH>; + }; + + pinctrl-gpiomux { + compatible = "pinctrl-multiplexer"; + + can1_fun: can1-grp { + mux-states = <&can1_mqs1_mux 0>; + }; + + mqs1_amp_en: mqs1-amp-en-grp { + mux-states = <&mqs1_amp_en_mux 1>; + }; + + mqs1_fun: mqs1-grp { + mux-states = <&can1_mqs1_mux 1>; + }; + }; + reserved-memory { #address-cells = <2>; #size-cells = <2>; @@ -254,7 +284,7 @@ ethphy2: ethernet-phy@2 { &flexcan1 { pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_flexcan1>; + pinctrl-0 = <&pinctrl_flexcan1>, <&can1_fun>; xceiver-supply = <®_can1_stby>; status = "okay"; }; -- 2.50.1