diff options
Diffstat (limited to 'overlays/verdin-imx8mm_hmp_overlay.dts')
-rw-r--r-- | overlays/verdin-imx8mm_hmp_overlay.dts | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/overlays/verdin-imx8mm_hmp_overlay.dts b/overlays/verdin-imx8mm_hmp_overlay.dts new file mode 100644 index 0000000..ecc1353 --- /dev/null +++ b/overlays/verdin-imx8mm_hmp_overlay.dts @@ -0,0 +1,66 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/* + * Copyright 2022 Toradex + */ + +// Enable RPMSG and the M4 driver + +/dts-v1/; +/plugin/; + +#include <dt-bindings/clock/imx8mm-clock.h> + +/ { + compatible = "toradex,verdin-imx8mm"; +}; + +&{/} { + imx8mm-cm4 { + compatible = "fsl,imx8mm-cm4"; + rsc-da = <0xb8000000>; + clocks = <&clk IMX8MM_CLK_M4_DIV>; + mbox-names = "tx", "rx", "rxdb"; + mboxes = <&mu 0 1 + &mu 1 1 + &mu 3 1>; + memory-region = <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>, <&rsc_table>; + syscon = <&src>; + fsl,startup-delay-ms = <500>; + }; +}; + +&uart4 { + status = "disabled"; +}; + +&resmem { + #address-cells = <2>; + #size-cells = <2>; + + m4_reserved: m4@0x80000000 { + no-map; + reg = <0 0x80000000 0 0x1000000>; + }; + + vdev0vring0: vdev0vring0@b8000000 { + reg = <0 0xb8000000 0 0x8000>; + no-map; + }; + + vdev0vring1: vdev0vring1@b8008000 { + reg = <0 0xb8008000 0 0x8000>; + no-map; + }; + + rsc_table: rsc_table@b80ff000 { + reg = <0 0xb80ff000 0 0x1000>; + no-map; + }; + + vdevbuffer: vdevbuffer@b8400000 { + compatible = "shared-dma-pool"; + reg = <0 0xb8400000 0 0x100000>; + no-map; + }; + +}; |