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+# SPDX-License-Identifier: GPL-2.0+
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sram/allwinner,sun4i-a10-system-control.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A10 System Control
+
+maintainers:
+  - Chen-Yu Tsai <wens@csie.org>
+  - Maxime Ripard <mripard@kernel.org>
+
+description:
+  The SRAM controller found on most Allwinner devices is represented
+  by a regular node for the SRAM controller itself, with sub-nodes
+  representing the SRAM handled by the SRAM controller.
+
+properties:
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 1
+
+  compatible:
+    oneOf:
+      - enum:
+          - allwinner,sun4i-a10-sram-controller
+          - allwinner,sun50i-a64-sram-controller
+        deprecated: true
+      - enum:
+          - allwinner,sun4i-a10-system-control
+          - allwinner,sun5i-a13-system-control
+          - allwinner,sun8i-a23-system-control
+          - allwinner,sun8i-h3-system-control
+          - allwinner,sun20i-d1-system-control
+          - allwinner,sun50i-a64-system-control
+          - allwinner,sun50i-h5-system-control
+          - allwinner,sun50i-h616-system-control
+      - items:
+          - enum:
+              - allwinner,suniv-f1c100s-system-control
+              - allwinner,sun7i-a20-system-control
+              - allwinner,sun8i-r40-system-control
+          - const: allwinner,sun4i-a10-system-control
+      - items:
+          - const: allwinner,sun8i-v3s-system-control
+          - const: allwinner,sun8i-h3-system-control
+      - items:
+          - const: allwinner,sun50i-h6-system-control
+          - const: allwinner,sun50i-a64-system-control
+
+  reg:
+    maxItems: 1
+
+  ranges: true
+
+patternProperties:
+  "^sram@[a-z0-9]+":
+    type: object
+
+    properties:
+      compatible:
+        const: mmio-sram
+
+    patternProperties:
+      "^sram-section?@[a-f0-9]+$":
+        type: object
+
+        properties:
+          compatible:
+            oneOf:
+              - const: allwinner,sun4i-a10-sram-a3-a4
+              - const: allwinner,sun4i-a10-sram-c1
+              - const: allwinner,sun4i-a10-sram-d
+              - const: allwinner,sun50i-a64-sram-c
+              - items:
+                  - enum:
+                      - allwinner,sun5i-a13-sram-a3-a4
+                      - allwinner,sun7i-a20-sram-a3-a4
+                  - const: allwinner,sun4i-a10-sram-a3-a4
+              - items:
+                  - enum:
+                      - allwinner,sun5i-a13-sram-c1
+                      - allwinner,sun7i-a20-sram-c1
+                      - allwinner,sun8i-a23-sram-c1
+                      - allwinner,sun8i-h3-sram-c1
+                      - allwinner,sun8i-r40-sram-c1
+                      - allwinner,sun50i-a64-sram-c1
+                      - allwinner,sun50i-h5-sram-c1
+                      - allwinner,sun50i-h6-sram-c1
+                  - const: allwinner,sun4i-a10-sram-c1
+              - items:
+                  - enum:
+                      - allwinner,suniv-f1c100s-sram-d
+                      - allwinner,sun5i-a13-sram-d
+                      - allwinner,sun7i-a20-sram-d
+                  - const: allwinner,sun4i-a10-sram-d
+              - items:
+                  - const: allwinner,sun50i-h6-sram-c
+                  - const: allwinner,sun50i-a64-sram-c
+
+required:
+  - "#address-cells"
+  - "#size-cells"
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    system-control@1c00000 {
+      compatible = "allwinner,sun4i-a10-system-control";
+      reg = <0x01c00000 0x30>;
+      #address-cells = <1>;
+      #size-cells = <1>;
+      ranges;
+
+      sram_a: sram@0 {
+        compatible = "mmio-sram";
+        reg = <0x00000000 0xc000>;
+        #address-cells = <1>;
+        #size-cells = <1>;
+        ranges = <0 0x00000000 0xc000>;
+
+        emac_sram: sram-section@8000 {
+          compatible = "allwinner,sun4i-a10-sram-a3-a4";
+          reg = <0x8000 0x4000>;
+        };
+      };
+    };