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