allwinner,sun4i-a10-system-control.yaml

  1# SPDX-License-Identifier: GPL-2.0+
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/sram/allwinner,sun4i-a10-system-control.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Allwinner A10 System Control
  8
  9maintainers:
 10  - Chen-Yu Tsai <wens@csie.org>
 11  - Maxime Ripard <mripard@kernel.org>
 12
 13description:
 14  The SRAM controller found on most Allwinner devices is represented
 15  by a regular node for the SRAM controller itself, with sub-nodes
 16  representing the SRAM handled by the SRAM controller.
 17
 18properties:
 19  "#address-cells":
 20    const: 1
 21
 22  "#size-cells":
 23    const: 1
 24
 25  compatible:
 26    oneOf:
 27      - enum:
 28          - allwinner,sun4i-a10-sram-controller
 29          - allwinner,sun50i-a64-sram-controller
 30        deprecated: true
 31      - enum:
 32          - allwinner,sun4i-a10-system-control
 33          - allwinner,sun5i-a13-system-control
 34          - allwinner,sun8i-a23-system-control
 35          - allwinner,sun8i-h3-system-control
 36          - allwinner,sun20i-d1-system-control
 37          - allwinner,sun50i-a64-system-control
 38          - allwinner,sun50i-h5-system-control
 39          - allwinner,sun50i-h616-system-control
 40      - items:
 41          - enum:
 42              - allwinner,suniv-f1c100s-system-control
 43              - allwinner,sun7i-a20-system-control
 44              - allwinner,sun8i-r40-system-control
 45          - const: allwinner,sun4i-a10-system-control
 46      - items:
 47          - const: allwinner,sun8i-v3s-system-control
 48          - const: allwinner,sun8i-h3-system-control
 49      - items:
 50          - enum:
 51              - allwinner,sun50i-a100-system-control
 52              - allwinner,sun50i-h6-system-control
 53              - allwinner,sun55i-a523-system-control
 54          - const: allwinner,sun50i-a64-system-control
 55
 56  reg:
 57    maxItems: 1
 58
 59  ranges: true
 60
 61patternProperties:
 62  "^regulators@[0-9a-f]+$":
 63    $ref: /schemas/regulator/allwinner,sun20i-d1-system-ldos.yaml#
 64
 65  "^sram@[a-f0-9]+":
 66    $ref: /schemas/sram/sram.yaml#
 67    unevaluatedProperties: false
 68
 69    patternProperties:
 70      "^sram-section?@[a-f0-9]+$":
 71        type: object
 72        additionalProperties: false
 73
 74        properties:
 75          reg: true
 76
 77          compatible:
 78            oneOf:
 79              - const: allwinner,sun4i-a10-sram-a3-a4
 80              - const: allwinner,sun4i-a10-sram-c1
 81              - const: allwinner,sun4i-a10-sram-d
 82              - const: allwinner,sun50i-a64-sram-c
 83              - items:
 84                  - enum:
 85                      - allwinner,sun5i-a13-sram-a3-a4
 86                      - allwinner,sun7i-a20-sram-a3-a4
 87                  - const: allwinner,sun4i-a10-sram-a3-a4
 88              - items:
 89                  - enum:
 90                      - allwinner,sun5i-a13-sram-c1
 91                      - allwinner,sun7i-a20-sram-c1
 92                      - allwinner,sun8i-a23-sram-c1
 93                      - allwinner,sun8i-h3-sram-c1
 94                      - allwinner,sun8i-r40-sram-c1
 95                      - allwinner,sun50i-a64-sram-c1
 96                      - allwinner,sun50i-h5-sram-c1
 97                      - allwinner,sun50i-h6-sram-c1
 98                  - const: allwinner,sun4i-a10-sram-c1
 99              - items:
100                  - enum:
101                      - allwinner,suniv-f1c100s-sram-d
102                      - allwinner,sun5i-a13-sram-d
103                      - allwinner,sun7i-a20-sram-d
104                  - const: allwinner,sun4i-a10-sram-d
105              - items:
106                  - const: allwinner,sun50i-h6-sram-c
107                  - const: allwinner,sun50i-a64-sram-c
108
109required:
110  - "#address-cells"
111  - "#size-cells"
112  - compatible
113  - reg
114
115additionalProperties: false
116
117examples:
118  - |
119    system-control@1c00000 {
120      compatible = "allwinner,sun4i-a10-system-control";
121      reg = <0x01c00000 0x30>;
122      #address-cells = <1>;
123      #size-cells = <1>;
124      ranges;
125
126      sram_a: sram@0 {
127        compatible = "mmio-sram";
128        reg = <0x00000000 0xc000>;
129        #address-cells = <1>;
130        #size-cells = <1>;
131        ranges = <0 0x00000000 0xc000>;
132
133        emac_sram: sram-section@8000 {
134          compatible = "allwinner,sun4i-a10-sram-a3-a4";
135          reg = <0x8000 0x4000>;
136        };
137      };
138    };
139
140  - |
141    syscon@3000000 {
142      compatible = "allwinner,sun20i-d1-system-control";
143      reg = <0x3000000 0x1000>;
144      ranges;
145      #address-cells = <1>;
146      #size-cells = <1>;
147
148      regulators@3000150 {
149        compatible = "allwinner,sun20i-d1-system-ldos";
150        reg = <0x3000150 0x4>;
151
152        reg_ldoa: ldoa {
153          regulator-min-microvolt = <1800000>;
154          regulator-max-microvolt = <1800000>;
155        };
156
157        reg_ldob: ldob {
158          regulator-name = "vcc-dram";
159          regulator-min-microvolt = <1500000>;
160          regulator-max-microvolt = <1500000>;
161        };
162      };
163    };