diff options
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mp-evk-spdif-lb.dts')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mp-evk-spdif-lb.dts | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk-spdif-lb.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk-spdif-lb.dts new file mode 100644 index 000000000000..367aa99a1cef --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk-spdif-lb.dts @@ -0,0 +1,38 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2020 NXP + * + * This DTB showcase SPDIF loop back setup on i.MX8MP EVK. + * The signal path used to route SPDIF signal in loopback mode is: + * + * SPDIF_TX -> I2C5_SCL -> I2C5_SCL_3V3 -> J22 pin 3 -> + * J22 pin 5 -> I2C5_SDA_3V3 -> I2C5_SDA -> SPDIF_RX + */ + +#include "imx8mp-evk.dts" + +/ { + /delete-node/ regulator-can1-stby; +}; + +/delete-node/ &flexcan1; + +&xcvr { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_xcvr>; + pinctrl-assert-gpios = <&pca6416 2 GPIO_ACTIVE_HIGH>; +}; + +&iomuxc { + + /delete-node/ flexcan1grp; + /delete-node/ flexcan1reggrp; + + pinctrl_xcvr: xcvrgrp { + fsl,pins = < + MX8MP_IOMUXC_SPDIF_RX__AUDIOMIX_SPDIF1_IN 0xd6 + MX8MP_IOMUXC_SPDIF_TX__AUDIOMIX_SPDIF1_OUT 0xd6 + >; + }; +}; + |