ARM: ixp4xx: Add DT bindings

This adds initial device tree bindings for the IXP4xx machines.
This time I tried something wild and crazy and try to make proper
JSON-style YAML bindings for the top level.

Cc: devicetree@vger.kernel.org
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/Documentation/devicetree/bindings/arm/intel-ixp4xx.yaml b/Documentation/devicetree/bindings/arm/intel-ixp4xx.yaml
new file mode 100644 (file)
index 0000000..f4f7451
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/intel-ixp4xx.yaml
@@ -0,0 +1,22 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/intel-ixp4xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intel IXP4xx Device Tree Bindings
+
+maintainers:
+  - Linus Walleij <linus.walleij@linaro.org>
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - linksys,nslu2
+          - const: intel,ixp42x
+      - items:
+          - enum:
+              - gateworks,gw2358
+          - const: intel,ixp43x

diff --git a/MAINTAINERS b/MAINTAINERS
index 0a8999c..49052de 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1690,6 +1690,7 @@ M:        Imre Kaloz <kaloz@openwrt.org>
 M:     Krzysztof Halasa <khalasa@piap.pl>
 L:     linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:     Maintained
+F:     Documentation/devicetree/bindings/arm/intel-ixp4xx.yaml
 F:     Documentation/devicetree/bindings/gpio/intel,ixp4xx-gpio.txt
 F:     Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml
 F:     Documentation/devicetree/bindings/timer/intel,ixp4xx-timer.yaml