Squashed 'dts/upstream/' content from commit aaba2d45dc2a

git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe
diff --git a/Bindings/spi/allwinner,sun4i-a10-spi.yaml b/Bindings/spi/allwinner,sun4i-a10-spi.yaml
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+++ b/Bindings/spi/allwinner,sun4i-a10-spi.yaml
@@ -0,0 +1,84 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/allwinner,sun4i-a10-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A10 SPI Controller
+
+allOf:
+  - $ref: spi-controller.yaml
+
+maintainers:
+  - Chen-Yu Tsai <wens@csie.org>
+  - Maxime Ripard <mripard@kernel.org>
+
+properties:
+  compatible:
+    const: allwinner,sun4i-a10-spi
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Bus Clock
+      - description: Module Clock
+
+  clock-names:
+    items:
+      - const: ahb
+      - const: mod
+
+  dmas:
+    items:
+      - description: RX DMA Channel
+      - description: TX DMA Channel
+
+  dma-names:
+    items:
+      - const: rx
+      - const: tx
+
+patternProperties:
+  "^.*@[0-9a-f]+":
+    type: object
+    additionalProperties: true
+
+    properties:
+      reg:
+        items:
+          minimum: 0
+          maximum: 4
+
+      spi-rx-bus-width:
+        const: 1
+
+      spi-tx-bus-width:
+        const: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    spi1: spi@1c06000 {
+        compatible = "allwinner,sun4i-a10-spi";
+        reg = <0x01c06000 0x1000>;
+        interrupts = <11>;
+        clocks = <&ahb_gates 21>, <&spi1_clk>;
+        clock-names = "ahb", "mod";
+        #address-cells = <1>;
+        #size-cells = <0>;
+    };
+
+...