dt-bindings: riscv: Add Tenstorrent Blackhole compatible

Add compatibles for the Tenstorrent Blackhole SoC PCIe card.

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Joel Stanley <jms@oss.tenstorrent.com>
Signed-off-by: Drew Fustini <dfustini@oss.tenstorrent.com>

Documentation/devicetree/bindings/riscv/tenstorrent.yaml

@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/riscv/tenstorrent.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Tenstorrent SoC-based boards
+
+maintainers:
+  - Drew Fustini <dfustini@oss.tenstorrent.com>
+  - Joel Stanley <jms@oss.tenstorrent.com>
+
+description:
+  Tenstorrent SoC-based boards
+
+properties:
+  $nodename:
+    const: '/'
+  compatible:
+    oneOf:
+      - description: Tenstorrent Blackhole PCIe card
+        items:
+          - const: tenstorrent,blackhole-card
+          - const: tenstorrent,blackhole
+
+additionalProperties: true
+
+...

MAINTAINERS

@@ -22158,6 +22158,14 @@ F:	arch/riscv/boot/dts/spacemit/
 N:	spacemit
 K:	spacemit
 
+RISC-V TENSTORRENT SoC SUPPORT
+M:	Drew Fustini <dfustini@oss.tenstorrent.com>
+M:	Joel Stanley <jms@oss.tenstorrent.com>
+L:	linux-riscv@lists.infradead.org
+S:	Maintained
+T:	git https://github.com/tenstorrent/linux.git
+F:	Documentation/devicetree/bindings/riscv/tenstorrent.yaml
+
 RISC-V THEAD SoC SUPPORT
 M:	Drew Fustini <fustini@kernel.org>
 M:	Guo Ren <guoren@kernel.org>