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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#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner A10 System Control
maintainers:
- Chen-Yu Tsai <wens@csie.org>
- Maxime Ripard <mripard@kernel.org>
description:
The SRAM controller found on most Allwinner devices is represented
by a regular node for the SRAM controller itself, with sub-nodes
representing the SRAM handled by the SRAM controller.
properties:
"#address-cells":
const: 1
"#size-cells":
const: 1
compatible:
oneOf:
- enum:
- allwinner,sun4i-a10-sram-controller
- allwinner,sun50i-a64-sram-controller
deprecated: true
- enum:
- allwinner,sun4i-a10-system-control
- allwinner,sun5i-a13-system-control
- allwinner,sun8i-a23-system-control
- allwinner,sun8i-h3-system-control
- allwinner,sun20i-d1-system-control
- allwinner,sun50i-a64-system-control
- allwinner,sun50i-h5-system-control
- allwinner,sun50i-h616-system-control
- items:
- enum:
- allwinner,suniv-f1c100s-system-control
- allwinner,sun7i-a20-system-control
- allwinner,sun8i-r40-system-control
- const: allwinner,sun4i-a10-system-control
- items:
- const: allwinner,sun8i-v3s-system-control
- const: allwinner,sun8i-h3-system-control
- items:
- const: allwinner,sun50i-h6-system-control
- const: allwinner,sun50i-a64-system-control
reg:
maxItems: 1
ranges: true
patternProperties:
"^regulators@[0-9a-f]+$":
$ref: /schemas/regulator/allwinner,sun20i-d1-system-ldos.yaml#
"^sram@[a-f0-9]+":
$ref: /schemas/sram/sram.yaml#
unevaluatedProperties: false
patternProperties:
"^sram-section?@[a-f0-9]+$":
type: object
additionalProperties: false
properties:
reg: true
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>;
};
};
};
- |
syscon@3000000 {
compatible = "allwinner,sun20i-d1-system-control";
reg = <0x3000000 0x1000>;
ranges;
#address-cells = <1>;
#size-cells = <1>;
regulators@3000150 {
compatible = "allwinner,sun20i-d1-system-ldos";
reg = <0x3000150 0x4>;
reg_ldoa: ldoa {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
reg_ldob: ldob {
regulator-name = "vcc-dram";
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
};
};
};
|
