From: Shenwei Wang <[email protected]> Add the RPMSG bus node along with its GPIO subnodes to the device tree.
Enable remote device communication and GPIO control via RPMSG on the i.MX platform. Signed-off-by: Shenwei Wang <[email protected]> --- arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi index c6d1bb9edf38..81fb36b48f20 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi @@ -190,6 +190,29 @@ scmi_sensor: protocol@15 { cm33: remoteproc-cm33 { compatible = "fsl,imx8ulp-cm33"; status = "disabled"; + + rpmsg { + #address-cells = <1>; + #size-cells = <0>; + + rpmsg_gpioa: gpio@0 { + compatible = "rpmsg-gpio"; + reg = <0>; + gpio-controller; + #gpio-cells = <2>; + #interrupt-cells = <2>; + interrupt-controller; + }; + + rpmsg_gpiob: gpio@1 { + compatible = "rpmsg-gpio"; + reg = <1>; + gpio-controller; + #gpio-cells = <2>; + #interrupt-cells = <2>; + interrupt-controller; + }; + }; }; soc: soc@0 { -- 2.43.0
