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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>;
+ };
+ };
+ };