[PATCH v5 2/5] spi: dt-bindings: add documentation for hpe,gxp-spifi

[nick.hawkins@hpe.com]

From: Nick Hawkins <nick.hawkins@hpe.com>

Create documentation for the hpe,gxp-spifi binding to support access to
the SPI parts

Signed-off-by: Nick Hawkins <nick.hawkins@hpe.com>

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

---
v5:
 *No change, add Krzysztof review from previous version
v4:
 *Remove uneccessary quotes
v3:
 *Fix indentation
v2:
 *Removed extra space around < > for reg
 *Changed interrupt-parrent to interrupt-parent
---
 .../bindings/spi/hpe,gxp-spifi.yaml           | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/hpe,gxp-spifi.yaml

diff --git a/Documentation/devicetree/bindings/spi/hpe,gxp-spifi.yaml b/Documentation/devicetree/bindings/spi/hpe,gxp-spifi.yaml
new file mode 100644
index 000000000000..7797c3123b7e
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/hpe,gxp-spifi.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/hpe,gxp-spifi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HPE GXP spi controller flash interface
+
+maintainers:
+  - Nick Hawkins <nick.hawkins@hpe.com>
+  - Jean-Marie Verdun <verdun@hpe.com>
+
+allOf:
+  - $ref: spi-controller.yaml#
+
+properties:
+  compatible:
+    const: hpe,gxp-spifi
+
+  reg:
+    items:
+      - description: cfg registers
+      - description: data registers
+      - description: mapped memory
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+
+    spi@200 {
+      compatible = "hpe,gxp-spifi";
+      reg = <0x200 0x80>, <0xc000 0x100>, <0x38000000 0x800000>;
+      interrupts = <20>;
+      interrupt-parent = <&vic0>;
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      flash@0 {
+        reg = <0>;
+        compatible = "jedec,spi-nor";
+      };
+
+      flash@1 {
+        reg = <1>;
+        compatible = "jedec,spi-nor";
+      };
+    };
-- 
2.17.1


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