[PATCH 06/17] arm64: dts: imx93-14x14-evk: Add board muxes to select between FlexCAN1 and MQS1
Chancel Liu <[email protected]>
| Newsgroups | dev.linux.lists.imx,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
From: Chancel Liu <[email protected]> FlexCAN1 has pin conflict with MQS1. Add GPIO-controlled board muxes to route shared signals between FlexCAN1 and MQS1. Signed-off-by: Chancel Liu <[email protected]> --- .../boot/dts/freescale/imx93-14x14-evk.dts | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts b/arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts index ec78c03f4788..502237fab332 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>; -- 2.50.1